diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 13:27:36 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-01-25 13:27:36 -0800 |
| commit | 9f9cba810f36d16f4e64477e879a69f6c47b389d (patch) | |
| tree | d787abcbead1439d3f82f0719efe520fd9689f79 /arch | |
| parent | dbf5bef8da169b38db804996a661f8d634df8295 (diff) | |
| parent | 949db153b6466c6f7cad5a427ecea94985927311 (diff) | |
| download | linux-9f9cba810f36d16f4e64477e879a69f6c47b389d.tar.gz linux-9f9cba810f36d16f4e64477e879a69f6c47b389d.tar.bz2 linux-9f9cba810f36d16f4e64477e879a69f6c47b389d.zip | |
Merge 3.8-rc5 into tty-next
This resolves a number of tty driver merge issues found in linux-next
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch')
130 files changed, 825 insertions, 492 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index e44da40d984f..5ebb44fe826a 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -155,6 +155,7 @@ dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \ dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb targets += dtbs +targets += $(dtb-y) endif # *.dtb used to be generated in the directory above. Clean out the diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts index 00044026ef1f..9b82facb2561 100644 --- a/arch/arm/boot/dts/armada-370-db.dts +++ b/arch/arm/boot/dts/armada-370-db.dts @@ -26,7 +26,7 @@ memory { device_type = "memory"; - reg = <0x00000000 0x20000000>; /* 512 MB */ + reg = <0x00000000 0x40000000>; /* 1 GB */ }; soc { diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi index 271855a6e224..e041f42ed711 100644 --- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi @@ -50,27 +50,25 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <17>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>; + interrupts = <87>, <88>, <89>; }; }; }; diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi index 1c1937dbce73..9e23bd8c9536 100644 --- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi @@ -51,39 +51,36 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>, <23>; + interrupts = <87>, <88>, <89>, <90>; }; gpio2: gpio@d0018180 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018180 0x40>, - <0xd0018870 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018180 0x40>; ngpios = <3>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <24>; + interrupts = <91>; }; ethernet@d0034000 { diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi index 4905cf3a5ef8..965966110e38 100644 --- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi @@ -66,39 +66,36 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>, <23>; + interrupts = <87>, <88>, <89>, <90>; }; gpio2: gpio@d0018180 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018180 0x40>, - <0xd0018870 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018180 0x40>; ngpios = <3>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <24>; + interrupts = <91>; }; ethernet@d0034000 { diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index e154f242c680..222047f1ece9 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -336,8 +336,8 @@ i2c@0 { compatible = "i2c-gpio"; - gpios = <&pioA 23 0 /* sda */ - &pioA 24 0 /* scl */ + gpios = <&pioA 25 0 /* sda */ + &pioA 26 0 /* scl */ >; i2c-gpio,sda-open-drain; i2c-gpio,scl-open-drain; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 68bccf41a2c6..cb7bcc51608d 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -306,6 +306,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <1 16 0x1 0x0 /* PB16 periph A */ + 1 17 0x1 0x0 /* PB17 periph A */ + 1 18 0x1 0x0>; /* PB18 periph A */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <1 19 0x1 0x0 /* PB19 periph A */ + 1 20 0x1 0x0 /* PB20 periph A */ + 1 21 0x1 0x0>; /* PB21 periph A */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -450,6 +466,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfffbc000 0x4000>; interrupts = <14 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index 32ec62cf5385..271d4de026e9 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -271,6 +271,38 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <1 0 0x2 0x0 /* PB0 periph B */ + 1 1 0x2 0x0 /* PB1 periph B */ + 1 2 0x2 0x0>; /* PB2 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <1 3 0x2 0x0 /* PB3 periph B */ + 1 4 0x2 0x0 /* PB4 periph B */ + 1 5 0x2 0x0>; /* PB5 periph B */ + }; + }; + + ssc1 { + pinctrl_ssc1_tx: ssc1_tx-0 { + atmel,pins = + <1 6 0x1 0x0 /* PB6 periph A */ + 1 7 0x1 0x0 /* PB7 periph A */ + 1 8 0x1 0x0>; /* PB8 periph A */ + }; + + pinctrl_ssc1_rx: ssc1_rx-0 { + atmel,pins = + <1 9 0x1 0x0 /* PB9 periph A */ + 1 10 0x1 0x0 /* PB10 periph A */ + 1 11 0x1 0x0>; /* PB11 periph A */ + }; + }; + pioA: gpio@fffff200 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff200 0x200>; @@ -368,6 +400,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfff98000 0x4000>; interrupts = <16 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; @@ -375,6 +409,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfff9c000 0x4000>; interrupts = <17 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 231858ffd850..6b1d4cab24c2 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -290,6 +290,38 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <3 0 0x1 0x0 /* PD0 periph A */ + 3 1 0x1 0x0 /* PD1 periph A */ + 3 2 0x1 0x0>; /* PD2 periph A */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <3 3 0x1 0x0 /* PD3 periph A */ + 3 4 0x1 0x0 /* PD4 periph A */ + 3 5 0x1 0x0>; /* PD5 periph A */ + }; + }; + + ssc1 { + pinctrl_ssc1_tx: ssc1_tx-0 { + atmel,pins = + <3 10 0x1 0x0 /* PD10 periph A */ + 3 11 0x1 0x0 /* PD11 periph A */ + 3 12 0x1 0x0>; /* PD12 periph A */ + }; + + pinctrl_ssc1_rx: ssc1_rx-0 { + atmel,pins = + <3 13 0x1 0x0 /* PD13 periph A */ + 3 14 0x1 0x0 /* PD14 periph A */ + 3 15 0x1 0x0>; /* PD15 periph A */ + }; + }; + pioA: gpio@fffff200 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff200 0x200>; @@ -425,6 +457,8 @@ compatible = "atmel,at91sam9g45-ssc"; reg = <0xfff9c000 0x4000>; interrupts = <16 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; @@ -432,6 +466,8 @@ compatible = "atmel,at91sam9g45-ssc"; reg = <0xfffa0000 0x4000>; interrupts = <17 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index e9efb34f4379..80e29c605d4e 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -28,6 +28,7 @@ tcb1 = &tcb1; i2c0 = &i2c0; i2c1 = &i2c1; + ssc0 = &ssc0; }; cpus { cpu@0 { @@ -244,6 +245,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <0 24 0x2 0x0 /* PA24 periph B */ + 0 25 0x2 0x0 /* PA25 periph B */ + 0 26 0x2 0x0>; /* PA26 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <0 27 0x2 0x0 /* PA27 periph B */ + 0 28 0x2 0x0 /* PA28 periph B */ + 0 29 0x2 0x0>; /* PA29 periph B */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -294,6 +311,15 @@ status = "disabled"; }; + ssc0: ssc@f0010000 { + compatible = "atmel,at91sam9g45-ssc"; + reg = <0xf0010000 0x4000>; + interrupts = <28 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; + status = "disabled"; + }; + usart0: serial@f801c000 { compatible = "atmel,at91sam9260-usart"; reg = <0xf801c000 0x4000>; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 40ac3a4eb1ab..8ecca6948d81 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -88,13 +88,6 @@ interrupts = <1 4 7>; }; - ssc0: ssc@f0010000 { - compatible = "atmel,at91sam9g45-ssc"; - reg = <0xf0010000 0x4000>; - interrupts = <28 4 5>; - status = "disabled"; - }; - tcb0: timer@f8008000 { compatible = "atmel,at91sam9x5-tcb"; reg = <0xf8008000 0x100>; @@ -150,6 +143,11 @@ atmel,pins = <0 3 0x1 0x0>; /* PA3 periph A */ }; + + pinctrl_usart0_sck: usart0_sck-0 { + atmel,pins = + <0 4 0x1 0x0>; /* PA4 periph A */ + }; }; usart1 { @@ -161,12 +159,17 @@ pinctrl_usart1_rts: usart1_rts-0 { atmel,pins = - <3 27 0x3 0x0>; /* PC27 periph C */ + <2 27 0x3 0x0>; /* PC27 periph C */ }; pinctrl_usart1_cts: usart1_cts-0 { atmel,pins = - <3 28 0x3 0x0>; /* PC28 periph C */ + <2 28 0x3 0x0>; /* PC28 periph C */ + }; + + pinctrl_usart1_sck: usart1_sck-0 { + atmel,pins = + <2 28 0x3 0x0>; /* PC29 periph C */ }; }; @@ -179,46 +182,56 @@ pinctrl_uart2_rts: uart2_rts-0 { atmel,pins = - <0 0 0x2 0x0>; /* PB0 periph B */ + <1 0 0x2 0x0>; /* PB0 periph B */ }; pinctrl_uart2_cts: uart2_cts-0 { atmel,pins = - <0 1 0x2 0x0>; /* PB1 periph B */ + <1 1 0x2 0x0>; /* PB1 periph B */ + }; + + pinctrl_usart2_sck: usart2_sck-0 { + atmel,pins = + <1 2 0x2 0x0>; /* PB2 periph B */ }; }; usart3 { pinctrl_uart3: usart3-0 { atmel,pins = - <3 23 0x2 0x1 /* PC22 periph B with pullup */ - 3 23 0x2 0x0>; /* PC23 periph B */ + <2 23 0x2 0x1 /* PC22 periph B with pullup */ + 2 23 0x2 0x0>; /* PC23 periph B */ }; pinctrl_usart3_rts: usart3_rts-0 { atmel,pins = - <3 24 0x2 0x0>; /* PC24 periph B */ + <2 24 0x2 0x0>; /* PC24 periph B */ }; pinctrl_usart3_cts: usart3_cts-0 { atmel,pins = - <3 25 0x2 0x0>; /* PC25 periph B */ + <2 25 0x2 0x0>; /* PC25 periph B */ + }; + + pinctrl_usart3_sck: usart3_sck-0 { + atmel,pins = + <2 26 0x2 0x0>; /* PC26 periph B */ }; }; uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - <3 8 0x3 0x0 /* PC8 periph C */ - 3 9 0x3 0x1>; /* PC9 periph C with pullup */ + <2 8 0x3 0x0 /* PC8 periph C */ + 2 9 0x3 0x1>; /* PC9 periph C with pullup */ }; }; uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - <3 16 0x3 0x0 /* PC16 periph C */ - 3 17 0x3 0x1>; /* PC17 periph C with pullup */ + <2 16 0x3 0x0 /* PC16 periph C */ + 2 17 0x3 0x1>; /* PC17 periph C with pullup */ }; }; @@ -247,14 +260,14 @@ pinctrl_macb0_rmii_mii: macb0_rmii_mii-0 { atmel,pins = - <1 8 0x1 0x0 /* PA8 periph A */ - 1 11 0x1 0x0 /* PA11 periph A */ - 1 12 0x1 0x0 /* PA12 periph A */ - 1 13 0x1 0x0 /* PA13 periph A */ - 1 14 0x1 0x0 /* PA14 periph A */ - 1 15 0x1 0x0 /* PA15 periph A */ - 1 16 0x1 0x0 /* PA16 periph A */ - 1 17 0x1 0x0>; /* PA17 periph A */ + <1 8 0x1 0x0 /* PB8 periph A */ + 1 11 0x1 0x0 /* PB11 periph A */ + 1 12 0x1 0x0 /* PB12 periph A */ + 1 13 0x1 0x0 /* PB13 periph A */ + 1 14 0x1 0x0 /* PB14 periph A */ + 1 15 0x1 0x0 /* PB15 periph A */ + 1 16 0x1 0x0 /* PB16 periph A */ + 1 17 0x1 0x0>; /* PB17 periph A */ }; }; @@ -290,6 +303,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <0 24 0x2 0x0 /* PA24 periph B */ + 0 25 0x2 0x0 /* PA25 periph B */ + 0 26 0x2 0x0>; /* PA26 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <0 27 0x2 0x0 /* PA27 periph B */ + 0 28 0x2 0x0 /* PA28 periph B */ + 0 29 0x2 0x0>; /* PA29 periph B */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -333,6 +362,15 @@ }; }; + ssc0: ssc@f0010000 { + compatible = "atmel,at91sam9g45-ssc"; + reg = <0xf0010000 0x4000>; + interrupts = <28 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; + status = "disabled"; + }; + mmc0: mmc@f0008000 { compatible = "atmel,hsmci"; reg = <0xf0008000 0x600>; diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi index fddd17417433..46c098017036 100644 --- a/arch/arm/boot/dts/cros5250-common.dtsi +++ b/arch/arm/boot/dts/cros5250-common.dtsi @@ -96,8 +96,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -120,8 +120,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -141,8 +141,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts index fed7d3f9f431..cdee96fca6e2 100644 --- a/arch/arm/boot/dts/dove-cubox.dts +++ b/arch/arm/boot/dts/dove-cubox.dts @@ -26,10 +26,15 @@ }; &uart0 { status = "okay"; }; -&sdio0 { status = "okay"; }; &sata0 { status = "okay"; }; &i2c0 { status = "okay"; }; +&sdio0 { + status = "okay"; + /* sdio0 card detect is connected to wrong pin on CuBox */ + cd-gpios = <&gpio0 12 1>; +}; + &spi0 { status = "okay"; @@ -42,9 +47,14 @@ }; &pinctrl { - pinctrl-0 = <&pmx_gpio_18>; + pinctrl-0 = <&pmx_gpio_12 &pmx_gpio_18>; pinctrl-names = "default"; + pmx_gpio_12: pmx-gpio-12 { + marvell,pins = "mpp12"; + marvell,function = "gpio"; + }; + pmx_gpio_18: pmx-gpio-18 { marvell,pins = "mpp18"; marvell,function = "gpio"; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 942d5761ca97..e05b18f3c33d 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -115,8 +115,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -139,8 +139,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi index 9bc6785ad228..77d21abfcdf7 100644 --- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi +++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi @@ -1,4 +1,5 @@ /include/ "kirkwood.dtsi" +/include/ "kirkwood-6281.dtsi" / { chosen { @@ -6,6 +7,21 @@ }; ocp@f1000000 { + pinctrl: pinctrl@10000 { + pinctrl-0 = < &pmx_spi &pmx_twsi0 &pmx_uart0 + &pmx_ns2_sata0 &pmx_ns2_sata1>; + pinctrl-names = "default"; + + pmx_ns2_sata0: pmx-ns2-sata0 { + marvell,pins = "mpp21"; + marvell,function = "sata0"; + }; + pmx_ns2_sata1: pmx-ns2-sata1 { + marvell,pins = "mpp20"; + marvell,function = "sata1"; + }; + }; + serial@12000 { clock-frequency = <166666667>; status = "okay"; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index 110d6cbb795b..d6ab442b7011 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -36,6 +36,7 @@ reg = <0x10100 0x40>; ngpios = <32>; interrupt-controller; + #interrupt-cells = <2>; interrupts = <35>, <36>, <37>, <38>; }; @@ -46,6 +47,7 @@ reg = <0x10140 0x40>; ngpios = <18>; interrupt-controller; + #interrupt-cells = <2>; interrupts = <39>, <40>, <41>; }; diff --git a/arch/arm/boot/dts/kizbox.dts b/arch/arm/boot/dts/kizbox.dts index e8814fe0e277..b4dc3ed9a3ec 100644 --- a/arch/arm/boot/dts/kizbox.dts +++ b/arch/arm/boot/dts/kizbox.dts @@ -48,6 +48,8 @@ macb0: ethernet@fffc4000 { phy-mode = "mii"; + pinctrl-0 = <&pinctrl_macb_rmii + &pinctrl_macb_rmii_mii_alt>; status = "okay"; }; diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi index 8bbc2bfef221..8b36abea9f2e 100644 --- a/arch/arm/boot/dts/sunxi.dtsi +++ b/arch/arm/boot/dts/sunxi.dtsi @@ -60,19 +60,21 @@ }; uart0: uart@01c28000 { - compatible = "ns8250"; + compatible = "snps,dw-apb-uart"; reg = <0x01c28000 0x400>; interrupts = <1>; reg-shift = <2>; + reg-io-width = <4>; clock-frequency = <24000000>; status = "disabled"; }; uart1: uart@01c28400 { - compatible = "ns8250"; + compatible = "snps,dw-apb-uart"; reg = <0x01c28400 0x400>; interrupts = <2>; reg-shift = <2>; + reg-io-width = <4>; clock-frequency = <24000000>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 1fc405a9ecfb..cf8071ad22d5 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -45,7 +45,6 @@ reg = <1>; }; -/* A7s disabled till big.LITTLE patches are available... cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a7"; @@ -63,7 +62,6 @@ compatible = "arm,cortex-a7"; reg = <0x102>; }; -*/ }; memory@80000000 { diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig index b175577d7abb..1ea959019fcd 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -19,6 +19,7 @@ CONFIG_SOC_AT91SAM9260=y CONFIG_SOC_AT91SAM9263=y CONFIG_SOC_AT91SAM9G45=y CONFIG_SOC_AT91SAM9X5=y +CONFIG_SOC_AT91SAM9N12=y CONFIG_MACH_AT91SAM_DT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y CONFIG_AT91_TIMER_HZ=128 @@ -31,7 +32,7 @@ CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_CMDLINE="mem=128M console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" +CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" CONFIG_KEXEC=y CONFIG_AUTO_ZRELADDR=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 6809200c31fb..14f7c3b14632 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -100,12 +100,14 @@ ENTRY(printch) b 1b ENDPROC(printch) +#ifdef CONFIG_MMU ENTRY(debug_ll_addr) addruart r2, r3, ip str r2, [r0] str r3, [r1] mov pc, lr ENDPROC(debug_ll_addr) +#endif #else diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 4eee351f4668..486a15ae9011 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -246,6 +246,7 @@ __create_page_tables: /* * Then map boot params address in r2 if specified. + * We map 2 sections in case the ATAGs/DTB crosses a section boundary. */ mov r0, r2, lsr #SECTION_SHIFT movs r0, r0, lsl #SECTION_SHIFT @@ -253,6 +254,8 @@ __create_page_tables: addne r3, r3, #PAGE_OFFSET addne r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER) orrne r6, r7, r0 + strne r6, [r3], #1 << PMD_ORDER + addne r6, r6, #1 << SECTION_SHIFT strne r6, [r3] #ifdef CONFIG_DEBUG_LL @@ -331,7 +334,7 @@ ENTRY(secondary_startup) * as it has already been validated by the primary processor. */ #ifdef CONFIG_ARM_VIRT_EXT - bl __hyp_stub_install + bl __hyp_stub_install_secondary #endif safe_svcmode_maskall r9 diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S index 65b2417aebce..1315c4ccfa56 100644 --- a/arch/arm/kernel/hyp-stub.S +++ b/arch/arm/kernel/hyp-stub.S @@ -99,7 +99,7 @@ ENTRY(__hyp_stub_install_secondary) * immediately. */ compare_cpu_mode_with_primary r4, r5, r6, r7 - bxne lr + movne pc, lr /* * Once we have given up on one CPU, we do not try to install the @@ -111,7 +111,7 @@ ENTRY(__hyp_stub_install_secondary) */ cmp r4, #HYP_MODE - bxne lr @ give up if the CPU is not in HYP mode + movne pc, lr @ give up if the CPU is not in HYP mode /* * Configure HSCTLR to set correct exception endianness/instruction set @@ -120,7 +120,8 @@ ENTRY(__hyp_stub_install_secondary) * Eventually, CPU-specific code might be needed -- assume not for now * * This code relies on the "eret" instruction to synchronize the - * various coprocessor accesses. + * various coprocessor accesses. This is done when we switch to SVC + * (see safe_svcmode_maskall). */ @ Now install the hypervisor stub: adr r7, __hyp_stub_vectors @@ -155,14 +156,7 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE 1: #endif - bic r7, r4, #MODE_MASK - orr r7, r7, #SVC_MODE -THUMB( orr r7, r7, #PSR_T_BIT ) - msr spsr_cxsf, r7 @ This is SPSR_hyp. - - __MSR_ELR_HYP(14) @ msr elr_hyp, lr - __ERET @ return, switching to SVC mode - @ The boot CPU mode is left in r4. + bx lr @ The boot CPU mode is left in r4. ENDPROC(__hyp_stub_install_secondary) __hyp_stub_do_trap: @@ -200,7 +194,7 @@ ENDPROC(__hyp_get_vectors) @ fall through ENTRY(__hyp_set_vectors) __HVC(0) - bx lr + mov pc, lr ENDPROC(__hyp_set_vectors) #ifndef ZIMAGE diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 9ee866ce0478..4b678478cf95 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -105,6 +105,8 @@ static void __init soc_detect(u32 dbgu_base) switch (socid) { case ARCH_ID_AT91RM9200: at91_soc_initdata.type = AT91_SOC_RM9200; + if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE) + at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; at91_boot_soc = at91rm9200_soc; break; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 3e628fd7a674..0a2349dc7018 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -851,6 +851,7 @@ config SOC_IMX6Q select HAVE_CAN_FLEXCAN if CAN select HAVE_IMX_GPC select HAVE_IMX_MMDC + select HAVE_IMX_SRC select HAVE_SMP select MFD_SYSCON select PINCTRL diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c index b197aa73dc4b..2c570cdaae7b 100644 --- a/arch/arm/mach-imx/clk-imx25.c +++ b/arch/arm/mach-imx/clk-imx25.c @@ -254,9 +254,9 @@ int __init mx25_clocks_init(void) clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2"); clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usbotg_ahb], "ahb", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); clk_register_clkdev(clk[nfc_ipg_per], NULL, "imx25-nand.0"); /* i.mx25 has the i.mx35 type cspi */ clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0"); diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c index 4c1d1e4efc74..1ffe3b534e51 100644 --- a/arch/arm/mach-imx/clk-imx27.c +++ b/arch/arm/mach-imx/clk-imx27.c @@ -236,9 +236,9 @@ int __init mx27_clocks_init(unsigned long fref) clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0"); clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0"); clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27"); clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0"); clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0"); diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c index 8be64e0a4ace..16ccbd41dea9 100644 --- a/arch/arm/mach-imx/clk-imx31.c +++ b/arch/arm/mach-imx/clk-imx31.c @@ -139,9 +139,9 @@ int __init mx31_clocks_init(unsigned long fref) clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.2"); clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.2"); clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_div_post], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_gate], "ahb", "fsl-usb2-udc"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div_post], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_gate], "ahb", "imx-udc-mx27"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); /* i.mx31 has the i.mx21 type uart */ clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0"); diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c index 66f3d65ea275..f0727e80815d 100644 --- a/arch/arm/mach-imx/clk-imx35.c +++ b/arch/arm/mach-imx/clk-imx35.c @@ -251,9 +251,9 @@ int __init mx35_clocks_init() clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27"); clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0"); clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index 579023f59dc1..fb7cb841b64c 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -269,9 +269,9 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil, clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2"); clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2"); - clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usboh3_per_gate], "per", "imx-udc-mx51"); + clk_register_clkdev(clk[usboh3_gate], "ipg", "imx-udc-mx51"); + clk_register_clkdev(clk[usboh3_gate], "ahb", "imx-udc-mx51"); clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand"); clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0"); clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1"); diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 7f2c10c7413a..c0c4e723b7f5 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -436,6 +436,9 @@ int __init mx6q_clocks_init(void) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clk[clks_init_on[i]]); + /* Set initial power mode */ + imx6q_set_lpm(WAIT_CLOCKED); + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); base = of_iomap(np, 0); WARN_ON(!base); diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 7191ab4434e5..fa36fb84ab19 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -142,6 +142,7 @@ extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode); extern void imx6q_clock_map_io(void); extern void imx_cpu_die(unsigned int cpu); +extern int imx_cpu_kill(unsigned int cpu); #ifdef CONFIG_PM extern void imx6q_pm_init(void); diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h index 6277baf1b7be..9bd5777ff0e7 100644 --- a/arch/arm/mach-imx/devices/devices-common.h +++ b/arch/arm/mach-imx/devices/devices-common.h @@ -63,6 +63,7 @@ struct platform_device *__init imx_add_flexcan( #include <linux/fsl_devices.h> struct imx_fsl_usb2_udc_data { + const char *devid; resource_size_t iobase; resource_size_t irq; }; diff --git a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c index 37e44398197b..3c06bd96e9cc 100644 --- a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c +++ b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c @@ -11,35 +11,36 @@ #include "../hardware.h" #include "devices-common.h" -#define imx_fsl_usb2_udc_data_entry_single(soc) \ +#define imx_fsl_usb2_udc_data_entry_single(soc, _devid) \ { \ + .devid = _devid, \ .iobase = soc ## _USB_OTG_BASE_ADDR, \ .irq = soc ## _INT_USB_OTG, \ } #ifdef CONFIG_SOC_IMX25 const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX25); + imx_fsl_usb2_udc_data_entry_single(MX25, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX25 */ #ifdef CONFIG_SOC_IMX27 const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX27); + imx_fsl_usb2_udc_data_entry_single(MX27, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX27 */ #ifdef CONFIG_SOC_IMX31 const struct imx_fsl_usb2_udc_data imx31_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX31); + imx_fsl_usb2_udc_data_entry_single(MX31, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX31 */ #ifdef CONFIG_SOC_IMX35 const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX35); + imx_fsl_usb2_udc_data_entry_single(MX35, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX35 */ #ifdef CONFIG_SOC_IMX51 const struct imx_fsl_usb2_udc_data imx51_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX51); + imx_fsl_usb2_udc_data_entry_single(MX51, "imx-udc-mx51"); #endif struct platform_device *__init imx_add_fsl_usb2_udc( @@ -57,7 +58,7 @@ struct platform_device *__init imx_add_fsl_usb2_udc( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device_dmamask("fsl-usb2-udc", -1, + return imx_add_platform_device_dmamask(data->devid, -1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); } diff --git a/arch/arm/mach-imx/devices/platform-imx-fb.c b/arch/arm/mach-imx/devices/platform-imx-fb.c index 10b0ed39f07f..25a47c616b2d 100644 --- a/arch/arm/mach-imx/devices/platform-imx-fb.c +++ b/arch/arm/mach-imx/devices/platform-imx-fb.c @@ -54,7 +54,7 @@ struct platform_device *__init imx_add_imx_fb( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device_dmamask("imx-fb", 0, + return imx_add_platform_device_dmamask(data->devid, 0, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); } diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c index 3dec962b0770..7bc5fe15dda2 100644 --- a/arch/arm/mach-imx/hotplug.c +++ b/arch/arm/mach-imx/hotplug.c @@ -46,9 +46,11 @@ static inline void cpu_enter_lowpower(void) void imx_cpu_die(unsigned int cpu) { cpu_enter_lowpower(); - imx_enable_cpu(cpu, false); + cpu_do_idle(); +} - /* spin here until hardware takes it down */ - while (1) - ; +int imx_cpu_kill(unsigned int cpu) +{ + imx_enable_cpu(cpu, false); + return 1; } diff --git a/arch/arm/mach-imx/iram.h b/arch/arm/mach-imx/iram.h deleted file mode 100644 index 022690c33702..000000000000 --- a/arch/arm/mach-imx/iram.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ -#include <linux/errno.h> - -#ifdef CONFIG_IRAM_ALLOC - -int __init iram_init(unsigned long base, unsigned long size); -void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr); -void iram_free(unsigned long dma_addr, unsigned int size); - -#else - -static inline int __init iram_init(unsigned long base, unsigned long size) -{ - return -ENOMEM; -} - -static inline void __iomem *iram_alloc(unsigned int size, unsigned long *dma_addr) -{ - return NULL; -} - -static inline void iram_free(unsigned long base, unsigned long size) {} - -#endif diff --git a/arch/arm/mach-imx/iram_alloc.c b/arch/arm/mach-imx/iram_alloc.c index 6c80424f678e..e05cf407db65 100644 --- a/arch/arm/mach-imx/iram_alloc.c +++ b/arch/arm/mach-imx/iram_alloc.c @@ -22,8 +22,7 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/genalloc.h> - -#include "iram.h" +#include "linux/platform_data/imx-iram.h" static unsigned long iram_phys_base; static void __iomem *iram_virt_base; diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 3777b805b76b..66fae885c842 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -92,5 +92,6 @@ struct smp_operations imx_smp_ops __initdata = { .smp_boot_secondary = imx_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = imx_cpu_die, + .cpu_kill = imx_cpu_kill, #endif }; diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c index a17543da602d..ee42d20cba19 100644 --- a/arch/arm/mach-imx/pm-imx6q.c +++ b/arch/arm/mach-imx/pm-imx6q.c @@ -41,6 +41,7 @@ static int imx6q_pm_enter(suspend_state_t state) cpu_suspend(0, imx6q_suspend_finish); imx_smp_prepare(); imx_gpc_post_resume(); + imx6q_set_lpm(WAIT_CLOCKED); break; default: return -EINVAL; diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index be50e795536d..e7fcea7f3300 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -475,13 +475,12 @@ int __init pci_v3_setup(int nr, struct pci_sys_data *sys) { int ret = 0; + if (!ap_syscon_base) + return -EINVAL; + if (nr == 0) { sys->mem_offset = PHYS_PCI_MEM_BASE; ret = pci_v3_setup_resources(sys); - /* Remap the Integrator system controller */ - ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); - if (!ap_syscon_base) - return -EINVAL; } return ret; @@ -497,6 +496,13 @@ void __init pci_v3_preinit(void) unsigned int temp; int ret; + /* Remap the Integrator system controller */ + ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); + if (!ap_syscon_base) { + pr_err("unable to remap the AP syscon for PCIv3\n"); + return; + } + pcibios_min_mem = 0x00100000; /* diff --git a/arch/arm/mach-kirkwood/board-ns2.c b/arch/arm/mach-kirkwood/board-ns2.c index 8821720ab5a4..f4632a809f68 100644 --- a/arch/arm/mach-kirkwood/board-ns2.c +++ b/arch/arm/mach-kirkwood/board-ns2.c @@ -18,47 +18,11 @@ #include <linux/gpio.h> #include <linux/of.h> #include "common.h" -#include "mpp.h" static struct mv643xx_eth_platform_data ns2_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static unsigned int ns2_mpp_config[] __initdata = { - MPP0_SPI_SCn, - MPP1_SPI_MOSI, - MPP2_SPI_SCK, - MPP3_SPI_MISO, - MPP4_NF_IO6, - MPP5_NF_IO7, - MPP6_SYSRST_OUTn, - MPP7_GPO, /* Fan speed (bit 1) */ - MPP8_TW0_SDA, - MPP9_TW0_SCK, - MPP10_UART0_TXD, - MPP11_UART0_RXD, - MPP12_GPO, /* Red led */ - MPP14_GPIO, /* USB fuse */ - MPP16_GPIO, /* SATA 0 power */ - MPP17_GPIO, /* SATA 1 power */ - MPP18_NF_IO0, - MPP19_NF_IO1, - MPP20_SATA1_ACTn, - MPP21_SATA0_ACTn, - MPP22_GPIO, /* Fan speed (bit 0) */ - MPP23_GPIO, /* Fan power */ - MPP24_GPIO, /* USB mode select */ - MPP25_GPIO, /* Fan rotation fail */ - MPP26_GPIO, /* USB device vbus */ - MPP28_GPIO, /* USB enable host vbus */ - MPP29_GPIO, /* Blue led (slow register) */ - MPP30_GPIO, /* Blue led (command register) */ - MPP31_GPIO, /* Board power off */ - MPP32_GPIO, /* Power button (0 = Released, 1 = Pushed) */ - MPP33_GPO, /* Fan speed (bit 2) */ - 0 -}; - #define NS2_GPIO_POWER_OFF 31 static void ns2_power_off(void) @@ -71,8 +35,6 @@ void __init ns2_init(void) /* * Basic setup. Needs to be called early. */ - kirkwood_mpp_conf(ns2_mpp_config); - if (of_machine_is_compatible("lacie,netspace_lite_v2") || of_machine_is_compatible("lacie,netspace_mini_v2")) ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0); diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index 5dcb369b58aa..99df4df680fd 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -1,6 +1,8 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ -I$(srctree)/arch/arm/plat-orion/include +AFLAGS_coherency_ll.o := -Wa,-march=armv7-a + obj-y += system-controller.o obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o coherency.o coherency_ll.o pmsu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 5c8e9cee2c2e..769c1feee1c4 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -397,6 +397,12 @@ static struct omap_board_mux board_mux[] __initdata = { OMAP_PULL_ENA), OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), + /* UART2 - BT/FM/GPS shared transport */ + OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), + { .reg_offset = OMAP_MUX_TERMINATOR }, }; diff --git a/arch/arm/mach-omap2/cclock2420_data.c b/arch/arm/mach-omap2/cclock2420_data.c index 7e5febe456d9..ab7e952d2070 100644 --- a/arch/arm/mach-omap2/cclock2420_data.c +++ b/arch/arm/mach-omap2/cclock2420_data.c @@ -1935,6 +1935,8 @@ int __init omap2420_clk_init(void) omap2_init_clk_hw_omap_clocks(c->lk.clk); } + omap2xxx_clkt_vps_late_init(); + omap2_clk_disable_autoidle_all(); omap2_clk_enable_init_clocks(enable_init_clks, diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c index eda079b96c6a..eb3dab68d536 100644 --- a/arch/arm/mach-omap2/cclock2430_data.c +++ b/arch/arm/mach-omap2/cclock2430_data.c @@ -2050,6 +2050,8 @@ int __init omap2430_clk_init(void) omap2_init_clk_hw_omap_clocks(c->lk.clk); } + omap2xxx_clkt_vps_late_init(); + omap2_clk_disable_autoidle_all(); omap2_clk_enable_init_clocks(enable_init_clks, diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index 5789a5e25563..a2cc046b47f4 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -2026,14 +2026,13 @@ int __init omap4xxx_clk_init(void) * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power * state when turning the ABE clock domain. Workaround this by * locking the ABE DPLL on boot. + * Lock the ABE DPLL in any case to avoid issues with audio. */ - if (cpu_is_omap446x()) { - rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck); - if (!rc) - rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ); - if (rc) - pr_err("%s: failed to configure ABE DPLL!\n", __func__); - } + rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck); + if (!rc) + rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ); + if (rc) + pr_err("%s: failed to configure ABE DPLL!\n", __func__); return 0; } diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 5e304d0719a2..626f3ea3142f 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -639,7 +639,7 @@ static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) return cnt; } -static void omap_init_ocp2scp(void) +static void __init omap_init_ocp2scp(void) { struct omap_hwmod *oh; struct platform_device *pdev; diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c index 4c7566c7e24a..2a2cfa88ddbf 100644 --- a/arch/arm/mach-omap2/drm.c +++ b/arch/arm/mach-omap2/drm.c @@ -25,6 +25,7 @@ #include <linux/dma-mapping.h> #include <linux/platform_data/omap_drm.h> +#include "soc.h" #include "omap_device.h" #include "omap_hwmod.h" @@ -56,7 +57,7 @@ static int __init omap_init_drm(void) oh->name); } - platform_data.omaprev = GET_OMAP_REVISION(); + platform_data.omaprev = GET_OMAP_TYPE; return platform_device_register(&omap_drm_device); diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 129d5081ed15..793f54ac7d14 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2132,8 +2132,12 @@ static struct omap_hwmod omap44xx_mcpdm_hwmod = { * currently reset very early during boot, before I2C is * available, so it doesn't seem that we have any choice in * the kernel other than to avoid resetting it. + * + * Also, McPDM needs to be configured to NO_IDLE mode when it + * is in used otherwise vital clocks will be gated which + * results 'slow motion' audio playback. */ - .flags = HWMOD_EXT_OPT_MAIN_CLK, + .flags = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE, .mpu_irqs = omap44xx_mcpdm_irqs, .sdma_reqs = omap44xx_mcpdm_sdma_reqs, .main_clk = "mcpdm_fck", diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 691aa674665a..b8ad6e632bb8 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -165,15 +165,11 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match, struct device_node *np; for_each_matching_node(np, match) { - if (!of_device_is_available(np)) { - of_node_put(np); + if (!of_device_is_available(np)) continue; - } - if (property && !of_get_property(np, property, NULL)) { - of_node_put(np); + if (property && !of_get_property(np, property, NULL)) continue; - } of_add_property(np, &device_disabled); return np; diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h index a611ad3153c7..b6132aa95dc0 100644 --- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h +++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h @@ -463,6 +463,9 @@ GPIO76_LCD_PCLK, \ GPIO77_LCD_BIAS +/* these enable a work-around for a hw bug in pxa27x during ac97 warm reset */ +#define GPIO113_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO113, AF0, DEFAULT) +#define GPIO95_AC97_nRESET_GPIO_HIGH MFP_CFG_OUT(GPIO95, AF0, DEFAULT) extern int keypad_set_wake(unsigned int on); #endif /* __ASM_ARCH_MFP_PXA27X_H */ diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 8047ee0effc5..616cb87b6179 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -47,9 +47,9 @@ void pxa27x_clear_otgph(void) EXPORT_SYMBOL(pxa27x_clear_otgph); static unsigned long ac97_reset_config[] = { - GPIO113_GPIO, + GPIO113_AC97_nRESET_GPIO_HIGH, GPIO113_AC97_nRESET, - GPIO95_GPIO, + GPIO95_AC97_nRESET_GPIO_HIGH, GPIO95_AC97_nRESET, }; diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c index 553059f51841..755c0bb119f4 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -47,7 +47,7 @@ static struct spi_board_info wm1253_devs[] = { .bus_num = 0, .chip_select = 0, .mode = SPI_MODE_0, - .irq = S3C_EINT(5), + .irq = S3C_EINT(4), .controller_data = &wm0010_spi_csinfo, .platform_data = &wm0010_pdata, }, diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 7feb426fc202..d2e1a16690bd 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -338,8 +338,10 @@ int __init s3c64xx_pm_init(void) for (i = 0; i < ARRAY_SIZE(s3c64xx_pm_domains); i++) pm_genpd_init(&s3c64xx_pm_domains[i]->pd, NULL, false); +#ifdef CONFIG_S3C_DEV_FB if (dev_get_platdata(&s3c_device_fb.dev)) pm_genpd_add_device(&s3c64xx_pm_f.pd, &s3c_device_fb.dev); +#endif return 0; } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 6b2fb87c8698..076c26d43864 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -774,25 +774,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, void (*op)(const void *, size_t, int)) { + unsigned long pfn; + size_t left = size; + + pfn = page_to_pfn(page) + offset / PAGE_SIZE; + offset %= PAGE_SIZE; + /* * A single sg entry may refer to multiple physically contiguous * pages. But we still need to process highmem pages individually. * If highmem is not configured then the bulk of this loop gets * optimized out. */ - size_t left = size; do { size_t len = left; void *vaddr; + page = pfn_to_page(pfn); + if (PageHighMem(page)) { - if (len + offset > PAGE_SIZE) { - if (offset >= PAGE_SIZE) { - page += offset / PAGE_SIZE; - offset %= PAGE_SIZE; - } + if (len + offset > PAGE_SIZE) len = PAGE_SIZE - offset; - } vaddr = kmap_high_get(page); if (vaddr) { vaddr += offset; @@ -809,7 +811,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, op(vaddr, len, dir); } offset = 0; - page++; + pfn++; left -= len; } while (left); } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9f0610243bd6..ce328c7f5c94 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -283,7 +283,7 @@ static struct mem_type mem_types[] = { }, [MT_MEMORY_SO] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_UNCACHED, + L_PTE_MT_UNCACHED | L_PTE_XN, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | PMD_SECT_UNCACHED | PMD_SECT_XN, diff --git a/arch/arm/plat-versatile/headsmp.S b/arch/arm/plat-versatile/headsmp.S index dd703ef09b8d..b178d44e9eaa 100644 --- a/arch/arm/plat-versatile/headsmp.S +++ b/arch/arm/plat-versatile/headsmp.S @@ -20,7 +20,7 @@ */ ENTRY(versatile_secondary_startup) mrc p15, 0, r0, c0, c0, 5 - and r0, r0, #15 + bic r0, #0xff000000 adr r4, 1f ldmia r4, {r5, r6} sub r4, r4, r5 diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index cc926c985981..323ce1a62bbf 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -22,7 +22,7 @@ @ IRQs disabled. @ ENTRY(do_vfp) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT ldr r4, [r10, #TI_PREEMPT] @ get preempt count add r11, r4, #1 @ increment it str r11, [r10, #TI_PREEMPT] @@ -35,7 +35,7 @@ ENTRY(do_vfp) ENDPROC(do_vfp) ENTRY(vfp_null_entry) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it @@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry) __INIT ENTRY(vfp_testing_entry) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index ea0349f63586..dd5e56f95f3f 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -168,7 +168,7 @@ vfp_hw_state_valid: @ else it's one 32-bit instruction, so @ always subtract 4 from the following @ instruction address. -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it @@ -192,7 +192,7 @@ look_for_VFP_exceptions: @ not recognised by VFP DBGSTR "not VFP" -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile index 801e2d7fcbc6..32ac0aef0068 100644 --- a/arch/arm64/boot/dts/Makefile +++ b/arch/arm64/boot/dts/Makefile @@ -1,4 +1,5 @@ targets += dtbs +targets += $(dtb-y) dtbs: $(addprefix $(obj)/, $(dtb-y)) diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 07fea290d7c1..fe32c0e4ac01 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -26,7 +26,10 @@ typedef unsigned long elf_greg_t; -#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) +#define ELF_NGREG (sizeof(struct user_pt_regs) / sizeof(elf_greg_t)) +#define ELF_CORE_COPY_REGS(dest, regs) \ + *(struct user_pt_regs *)&(dest) = (regs)->user_regs; + typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct user_fpsimd_state elf_fpregset_t; diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 64b133949502..e333a243bfcc 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -24,7 +24,8 @@ /* * Software defined PTE bits definition. */ -#define PTE_VALID (_AT(pteval_t, 1) << 0) /* pte_present() check */ +#define PTE_VALID (_AT(pteval_t, 1) << 0) +#define PTE_PROT_NONE (_AT(pteval_t, 1) << 1) /* only when !PTE_VALID */ #define PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !pte_present() */ #define PTE_DIRTY (_AT(pteval_t, 1) << 55) #define PTE_SPECIAL (_AT(pteval_t, 1) << 56) @@ -60,9 +61,12 @@ extern void __pgd_error(const char *file, int line, unsigned long val); extern pgprot_t pgprot_default; -#define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) +#define __pgprot_modify(prot,mask,bits) \ + __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) + +#define _MOD_PROT(p, b) __pgprot_modify(p, 0, b) -#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define PAGE_NONE __pgprot_modify(pgprot_default, PTE_TYPE_MASK, PTE_PROT_NONE) #define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN) #define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) @@ -72,7 +76,7 @@ extern pgprot_t pgprot_default; #define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY) #define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY) -#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define __PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE) #define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) #define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN) #define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) @@ -125,16 +129,15 @@ extern struct page *empty_zero_page; /* * The following only work if pte_present(). Undefined behaviour otherwise. */ -#define pte_present(pte) (pte_val(pte) & PTE_VALID) +#define pte_present(pte) (pte_val(pte) & (PTE_VALID | PTE_PROT_NONE)) #define pte_dirty(pte) (pte_val(pte) & PTE_DIRTY) #define pte_young(pte) (pte_val(pte) & PTE_AF) #define pte_special(pte) (pte_val(pte) & PTE_SPECIAL) #define pte_write(pte) (!(pte_val(pte) & PTE_RDONLY)) #define pte_exec(pte) (!(pte_val(pte) & PTE_UXN)) -#define pte_present_exec_user(pte) \ - ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == \ - (PTE_VALID | PTE_USER)) +#define pte_valid_user(pte) \ + ((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER)) #define PTE_BIT_FUNC(fn,op) \ static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } @@ -157,10 +160,13 @@ extern void __sync_icache_dcache(pte_t pteval, unsigned long addr); static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) { - if (pte_present_exec_user(pte)) - __sync_icache_dcache(pte, addr); - if (!pte_dirty(pte)) - pte = pte_wrprotect(pte); + if (pte_valid_user(pte)) { + if (pte_exec(pte)) + __sync_icache_dcache(pte, addr); + if (!pte_dirty(pte)) + pte = pte_wrprotect(pte); + } + set_pte(ptep, pte); } @@ -170,9 +176,6 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, #define pte_huge(pte) ((pte_val(pte) & PTE_TYPE_MASK) == PTE_TYPE_HUGEPAGE) #define pte_mkhuge(pte) (__pte((pte_val(pte) & ~PTE_TYPE_MASK) | PTE_TYPE_HUGEPAGE)) -#define __pgprot_modify(prot,mask,bits) \ - __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) - #define __HAVE_ARCH_PTE_SPECIAL /* @@ -264,7 +267,8 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr) static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY; + const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY | + PTE_PROT_NONE | PTE_VALID; pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); return pte; } diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 58432625fdb3..5ef47ba3ed45 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -395,8 +395,13 @@ __SYSCALL(370, sys_name_to_handle_at) __SYSCALL(371, compat_sys_open_by_handle_at) __SYSCALL(372, compat_sys_clock_adjtime) __SYSCALL(373, sys_syncfs) +__SYSCALL(374, compat_sys_sendmmsg) +__SYSCALL(375, sys_setns) +__SYSCALL(376, compat_sys_process_vm_readv) +__SYSCALL(377, compat_sys_process_vm_writev) +__SYSCALL(378, sys_ni_syscall) /* 378 for kcmp */ -#define __NR_compat_syscalls 374 +#define __NR_compat_syscalls 379 /* * Compat syscall numbers used by the AArch64 kernel. diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index c958cb84d75f..6a389dc1bd49 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -252,10 +252,6 @@ void update_vsyscall(struct timekeeper *tk) void update_vsyscall_tz(void) { - ++vdso_data->tb_seq_count; - smp_wmb(); vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; vdso_data->tz_dsttime = sys_tz.tz_dsttime; - smp_wmb(); - ++vdso_data->tb_seq_count; } diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index 8bf658d974f9..f0a6d10b5211 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -73,8 +73,6 @@ ENTRY(__kernel_gettimeofday) /* If tz is NULL, return 0. */ cbz x1, 3f ldp w4, w5, [vdso_data, #VDSO_TZ_MINWEST] - seqcnt_read w9 - seqcnt_check w9, 1b stp w4, w5, [x1, #TZ_MINWEST] 3: mov x0, xzr diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 4265ff64219b..b7a5fffe0924 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -672,33 +672,6 @@ ptrace_attach_sync_user_rbs (struct task_struct *child) read_unlock(&tasklist_lock); } -static inline int -thread_matches (struct task_struct *thread, unsigned long addr) -{ - unsigned long thread_rbs_end; - struct pt_regs *thread_regs; - - if (ptrace_check_attach(thread, 0) < 0) - /* - * If the thread is not in an attachable state, we'll - * ignore it. The net effect is that if ADDR happens - * to overlap with the portion of the thread's - * register backing store that is currently residing - * on the thread's kernel stack, then ptrace() may end - * up accessing a stale value. But if the thread - * isn't stopped, that's a problem anyhow, so we're - * doing as well as we can... - */ - return 0; - - thread_regs = task_pt_regs(thread); - thread_rbs_end = ia64_get_user_rbs_end(thread, thread_regs, NULL); - if (!on_kernel_rbs(addr, thread_regs->ar_bspstore, thread_rbs_end)) - return 0; - - return 1; /* looks like we've got a winner */ -} - /* * Write f32-f127 back to task->thread.fph if it has been modified. */ diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h index 17f7a45948ea..3e6b8445af6a 100644 --- a/arch/m68k/include/asm/dma-mapping.h +++ b/arch/m68k/include/asm/dma-mapping.h @@ -21,6 +21,22 @@ extern void *dma_alloc_coherent(struct device *, size_t, extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + return dma_alloc_coherent(dev, size, dma_handle, flag); +} + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + dma_free_coherent(dev, size, cpu_addr, dma_handle); +} + static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t flag) { diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h index bf86b29fe64a..037028f4ab70 100644 --- a/arch/m68k/include/asm/pgtable_no.h +++ b/arch/m68k/include/asm/pgtable_no.h @@ -64,6 +64,8 @@ extern unsigned int kobjsize(const void *objp); */ #define VMALLOC_START 0 #define VMALLOC_END 0xffffffff +#define KMAP_START 0 +#define KMAP_END 0xffffffff #include <asm-generic/pgtable.h> diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 847994ce6804..f9337f614660 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 348 +#define NR_syscalls 349 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index b94bfbf90705..625f321001dc 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -353,5 +353,6 @@ #define __NR_process_vm_readv 345 #define __NR_process_vm_writev 346 #define __NR_kcmp 347 +#define __NR_finit_module 348 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index c30da5b3f2db..3f04ea0ab802 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -368,4 +368,5 @@ ENTRY(sys_call_table) .long sys_process_vm_readv /* 345 */ .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index f0e05bce92f2..afd8106fd83b 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -39,6 +39,11 @@ void *empty_zero_page; EXPORT_SYMBOL(empty_zero_page); +#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE) +extern void init_pointer_table(unsigned long ptable); +extern pmd_t *zero_pgtable; +#endif + #ifdef CONFIG_MMU pg_data_t pg_data_map[MAX_NUMNODES]; @@ -69,9 +74,6 @@ void __init m68k_setup_node(int node) node_set_online(node); } -extern void init_pointer_table(unsigned long ptable); -extern pmd_t *zero_pgtable; - #else /* CONFIG_MMU */ /* diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig index aa03f2e13385..e70001cfa05b 100644 --- a/arch/mn10300/Kconfig +++ b/arch/mn10300/Kconfig @@ -6,6 +6,7 @@ config MN10300 select ARCH_WANT_IPC_PARSE_VERSION select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_KGDB + select GENERIC_ATOMIC64 select HAVE_NMI_WATCHDOG if MN10300_WD_TIMER select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index bfb44247d7a7..eb7850b46c25 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1865,7 +1865,7 @@ syscall_restore: /* Are we being ptraced? */ ldw TASK_FLAGS(%r1),%r19 - ldi (_TIF_SINGLESTEP|_TIF_BLOCKSTEP),%r2 + ldi _TIF_SYSCALL_TRACE_MASK,%r2 and,COND(=) %r19,%r2,%r0 b,n syscall_restore_rfi @@ -1978,15 +1978,23 @@ syscall_restore_rfi: /* sr2 should be set to zero for userspace syscalls */ STREG %r0,TASK_PT_SR2(%r1) -pt_regs_ok: LDREG TASK_PT_GR31(%r1),%r2 - depi 3,31,2,%r2 /* ensure return to user mode. */ - STREG %r2,TASK_PT_IAOQ0(%r1) + depi 3,31,2,%r2 /* ensure return to user mode. */ + STREG %r2,TASK_PT_IAOQ0(%r1) ldo 4(%r2),%r2 STREG %r2,TASK_PT_IAOQ1(%r1) + b intr_restore copy %r25,%r16 + +pt_regs_ok: + LDREG TASK_PT_IAOQ0(%r1),%r2 + depi 3,31,2,%r2 /* ensure return to user mode. */ + STREG %r2,TASK_PT_IAOQ0(%r1) + LDREG TASK_PT_IAOQ1(%r1),%r2 + depi 3,31,2,%r2 + STREG %r2,TASK_PT_IAOQ1(%r1) b intr_restore - nop + copy %r25,%r16 .import schedule,code syscall_do_resched: diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index c0b1affc06a8..0299d63cd112 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -410,11 +410,13 @@ void __init init_IRQ(void) { local_irq_disable(); /* PARANOID - should already be disabled */ mtctl(~0UL, 23); /* EIRR : clear all pending external intr */ - claim_cpu_irqs(); #ifdef CONFIG_SMP - if (!cpu_eiem) + if (!cpu_eiem) { + claim_cpu_irqs(); cpu_eiem = EIEM_MASK(IPI_IRQ) | EIEM_MASK(TIMER_IRQ); + } #else + claim_cpu_irqs(); cpu_eiem = EIEM_MASK(TIMER_IRQ); #endif set_eiem(cpu_eiem); /* EIEM : enable all external intr */ diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 857c2f545470..534abd4936e1 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -26,7 +26,7 @@ #include <asm/asm-offsets.h> /* PSW bits we allow the debugger to modify */ -#define USER_PSW_BITS (PSW_N | PSW_V | PSW_CB) +#define USER_PSW_BITS (PSW_N | PSW_B | PSW_V | PSW_CB) /* * Called by kernel/ptrace.c when detaching.. diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 537996955998..fd051705a407 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -190,8 +190,10 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size) DBG(1,"get_sigframe: ka = %#lx, sp = %#lx, frame_size = %#lx\n", (unsigned long)ka, sp, frame_size); + /* Align alternate stack and reserve 64 bytes for the signal + handler's frame marker. */ if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp)) - sp = current->sas_ss_sp; /* Stacks grow up! */ + sp = (current->sas_ss_sp + 0x7f) & ~0x3f; /* Stacks grow up! */ DBG(1,"get_sigframe: Returning sp = %#lx\n", (unsigned long)sp); return (void __user *) sp; /* Stacks grow up. Fun. */ diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h index 9071e093164a..933423fa5144 100644 --- a/arch/parisc/math-emu/cnv_float.h +++ b/arch/parisc/math-emu/cnv_float.h @@ -347,16 +347,15 @@ Sgl_isinexact_to_fix(sgl_value,exponent) #define Duint_from_sgl_mantissa(sgl_value,exponent,dresultA,dresultB) \ - {Sall(sgl_value) <<= SGL_EXP_LENGTH; /* left-justify */ \ + {unsigned int val = Sall(sgl_value) << SGL_EXP_LENGTH; \ if (exponent <= 31) { \ - Dintp1(dresultA) = 0; \ - Dintp2(dresultB) = (unsigned)Sall(sgl_value) >> (31 - exponent); \ + Dintp1(dresultA) = 0; \ + Dintp2(dresultB) = val >> (31 - exponent); \ } \ else { \ - Dintp1(dresultA) = Sall(sgl_value) >> (63 - exponent); \ - Dintp2(dresultB) = Sall(sgl_value) << (exponent - 31); \ + Dintp1(dresultA) = val >> (63 - exponent); \ + Dintp2(dresultB) = exponent <= 62 ? val << (exponent - 31) : 0; \ } \ - Sall(sgl_value) >>= SGL_EXP_LENGTH; /* return to original */ \ } #define Duint_setzero(dresultA,dresultB) \ diff --git a/arch/powerpc/include/uapi/asm/kvm_para.h b/arch/powerpc/include/uapi/asm/kvm_para.h index ed0e0254b47f..e3af3286a068 100644 --- a/arch/powerpc/include/uapi/asm/kvm_para.h +++ b/arch/powerpc/include/uapi/asm/kvm_para.h @@ -78,7 +78,7 @@ struct kvm_vcpu_arch_shared { #define KVM_HCALL_TOKEN(num) _EV_HCALL_TOKEN(EV_KVM_VENDOR_ID, num) -#include <uapi/asm/epapr_hcalls.h> +#include <asm/epapr_hcalls.h> #define KVM_FEATURE_MAGIC_PAGE 1 diff --git a/arch/powerpc/kvm/book3s_hv_ras.c b/arch/powerpc/kvm/book3s_hv_ras.c index 35f3cf0269b3..a353c485808c 100644 --- a/arch/powerpc/kvm/book3s_hv_ras.c +++ b/arch/powerpc/kvm/book3s_hv_ras.c @@ -79,7 +79,9 @@ static void flush_tlb_power7(struct kvm_vcpu *vcpu) static long kvmppc_realmode_mc_power7(struct kvm_vcpu *vcpu) { unsigned long srr1 = vcpu->arch.shregs.msr; +#ifdef CONFIG_PPC_POWERNV struct opal_machine_check_event *opal_evt; +#endif long handled = 1; if (srr1 & SRR1_MC_LDSTERR) { @@ -117,6 +119,7 @@ static long kvmppc_realmode_mc_power7(struct kvm_vcpu *vcpu) handled = 0; } +#ifdef CONFIG_PPC_POWERNV /* * See if OPAL has already handled the condition. * We assume that if the condition is recovered then OPAL @@ -131,6 +134,7 @@ static long kvmppc_realmode_mc_power7(struct kvm_vcpu *vcpu) if (handled) opal_evt->in_use = 0; +#endif return handled; } diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index b0855e5d8905..9d9cddc5b346 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -39,6 +39,7 @@ #define OP_31_XOP_TRAP 4 #define OP_31_XOP_LWZX 23 #define OP_31_XOP_TRAP_64 68 +#define OP_31_XOP_DCBF 86 #define OP_31_XOP_LBZX 87 #define OP_31_XOP_STWX 151 #define OP_31_XOP_STBX 215 @@ -374,6 +375,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) emulated = kvmppc_emulate_mtspr(vcpu, sprn, rs); break; + case OP_31_XOP_DCBF: case OP_31_XOP_DCBI: /* Do nothing. The guest is performing dcbi because * hardware DMA is not snooped by the dcache, but diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 4b8e08b56f49..7e3ce78d4290 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -24,8 +24,8 @@ CHECKFLAGS += -D__s390__ -msize-long else LD_BFD := elf64-s390 LDFLAGS := -m elf64_s390 -KBUILD_AFLAGS_MODULE += -fpic -D__PIC__ -KBUILD_CFLAGS_MODULE += -fpic -D__PIC__ +KBUILD_AFLAGS_MODULE += -fPIC +KBUILD_CFLAGS_MODULE += -fPIC KBUILD_CFLAGS += -m64 KBUILD_AFLAGS += -m64 UTS_MACHINE := s390x diff --git a/arch/s390/include/asm/dma.h b/arch/s390/include/asm/dma.h index de015d85e3e5..bb9bdcd20864 100644 --- a/arch/s390/include/asm/dma.h +++ b/arch/s390/include/asm/dma.h @@ -10,4 +10,10 @@ */ #define MAX_DMA_ADDRESS 0x80000000 +#ifdef CONFIG_PCI +extern int isa_dma_bridge_buggy; +#else +#define isa_dma_bridge_buggy (0) +#endif + #endif /* _ASM_S390_DMA_H */ diff --git a/arch/s390/include/asm/io.h b/arch/s390/include/asm/io.h index 16c3eb164f4f..27cb32185ce1 100644 --- a/arch/s390/include/asm/io.h +++ b/arch/s390/include/asm/io.h @@ -85,6 +85,11 @@ static inline void iounmap(volatile void __iomem *addr) #define __raw_writel zpci_write_u32 #define __raw_writeq zpci_write_u64 +#define readb_relaxed readb +#define readw_relaxed readw +#define readl_relaxed readl +#define readq_relaxed readq + #endif /* CONFIG_PCI */ #include <asm-generic/io.h> diff --git a/arch/s390/include/asm/irq.h b/arch/s390/include/asm/irq.h index e6972f85d2b0..7def77302d63 100644 --- a/arch/s390/include/asm/irq.h +++ b/arch/s390/include/asm/irq.h @@ -2,43 +2,61 @@ #define _ASM_IRQ_H #include <linux/hardirq.h> +#include <linux/percpu.h> +#include <linux/cache.h> #include <linux/types.h> -enum interruption_class { +enum interruption_main_class { EXTERNAL_INTERRUPT, IO_INTERRUPT, - EXTINT_CLK, - EXTINT_EXC, - EXTINT_EMS, - EXTINT_TMR, - EXTINT_TLA, - EXTINT_PFL, - EXTINT_DSD, - EXTINT_VRT, - EXTINT_SCP, - EXTINT_IUC, - EXTINT_CMS, - EXTINT_CMC, - EXTINT_CMR, - IOINT_CIO, - IOINT_QAI, - IOINT_DAS, - IOINT_C15, - IOINT_C70, - IOINT_TAP, - IOINT_VMR, - IOINT_LCS, - IOINT_CLW, - IOINT_CTC, - IOINT_APB, - IOINT_ADM, - IOINT_CSC, - IOINT_PCI, - IOINT_MSI, + NR_IRQS +}; + +enum interruption_class { + IRQEXT_CLK, + IRQEXT_EXC, + IRQEXT_EMS, + IRQEXT_TMR, + IRQEXT_TLA, + IRQEXT_PFL, + IRQEXT_DSD, + IRQEXT_VRT, + IRQEXT_SCP, + IRQEXT_IUC, + IRQEXT_CMS, + IRQEXT_CMC, + IRQEXT_CMR, + IRQIO_CIO, + IRQIO_QAI, + IRQIO_DAS, + IRQIO_C15, + IRQIO_C70, + IRQIO_TAP, + IRQIO_VMR, + IRQIO_LCS, + IRQIO_CLW, + IRQIO_CTC, + IRQIO_APB, + IRQIO_ADM, + IRQIO_CSC, + IRQIO_PCI, + IRQIO_MSI, NMI_NMI, - NR_IRQS, + CPU_RST, + NR_ARCH_IRQS }; +struct irq_stat { + unsigned int irqs[NR_ARCH_IRQS]; +}; + +DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat); + +static __always_inline void inc_irq_stat(enum interruption_class irq) +{ + __get_cpu_var(irq_stat).irqs[irq]++; +} + struct ext_code { unsigned short subcode; unsigned short code; diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index c928dc1938f2..c1d7930a82f4 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1387,10 +1387,7 @@ static inline int has_transparent_hugepage(void) static inline unsigned long pmd_pfn(pmd_t pmd) { - if (pmd_trans_huge(pmd)) - return pmd_val(pmd) >> HPAGE_SHIFT; - else - return pmd_val(pmd) >> PAGE_SHIFT; + return pmd_val(pmd) >> PAGE_SHIFT; } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index fba4d66788a2..4c060bb5b8ea 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -128,4 +128,32 @@ static inline unsigned long long get_clock_monotonic(void) return get_clock_xt() - sched_clock_base_cc; } +/** + * tod_to_ns - convert a TOD format value to nanoseconds + * @todval: to be converted TOD format value + * Returns: number of nanoseconds that correspond to the TOD format value + * + * Converting a 64 Bit TOD format value to nanoseconds means that the value + * must be divided by 4.096. In order to achieve that we multiply with 125 + * and divide by 512: + * + * ns = (todval * 125) >> 9; + * + * In order to avoid an overflow with the multiplication we can rewrite this. + * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits) + * we end up with + * + * ns = ((2^32 * th + tl) * 125 ) >> 9; + * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9); + * + */ +static inline unsigned long long tod_to_ns(unsigned long long todval) +{ + unsigned long long ns; + + ns = ((todval >> 32) << 23) * 125; + ns += ((todval & 0xffffffff) * 125) >> 9; + return ns; +} + #endif diff --git a/arch/s390/include/uapi/asm/unistd.h b/arch/s390/include/uapi/asm/unistd.h index 63e6078699f1..864f693c237f 100644 --- a/arch/s390/include/uapi/asm/unistd.h +++ b/arch/s390/include/uapi/asm/unistd.h @@ -279,7 +279,8 @@ #define __NR_process_vm_writev 341 #define __NR_s390_runtime_instr 342 #define __NR_kcmp 343 -#define NR_syscalls 344 +#define __NR_finit_module 344 +#define NR_syscalls 345 /* * There are some system calls that are not present on 64 bit, some diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 827e094a2f49..9b9a805656b5 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1659,3 +1659,9 @@ ENTRY(sys_kcmp_wrapper) llgfr %r5,%r5 # unsigned long llgfr %r6,%r6 # unsigned long jg sys_kcmp + +ENTRY(sys_finit_module_wrapper) + lgfr %r2,%r2 # int + llgtr %r3,%r3 # const char __user * + lgfr %r4,%r4 # int + jg sys_finit_module diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index ba500d8dc392..4e8215e0d4b6 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -1127,13 +1127,14 @@ debug_register_view(debug_info_t * id, struct debug_view *view) if (i == DEBUG_MAX_VIEWS) { pr_err("Registering view %s/%s would exceed the maximum " "number of views %i\n", id->name, view->name, i); - debugfs_remove(pde); rc = -1; } else { id->views[i] = view; id->debugfs_entries[i] = pde; } spin_unlock_irqrestore(&id->lock, flags); + if (rc) + debugfs_remove(pde); out: return rc; } @@ -1146,9 +1147,9 @@ EXPORT_SYMBOL(debug_register_view); int debug_unregister_view(debug_info_t * id, struct debug_view *view) { - int rc = 0; - int i; + struct dentry *dentry = NULL; unsigned long flags; + int i, rc = 0; if (!id) goto out; @@ -1160,10 +1161,12 @@ debug_unregister_view(debug_info_t * id, struct debug_view *view) if (i == DEBUG_MAX_VIEWS) rc = -1; else { - debugfs_remove(id->debugfs_entries[i]); + dentry = id->debugfs_entries[i]; id->views[i] = NULL; + id->debugfs_entries[i] = NULL; } spin_unlock_irqrestore(&id->lock, flags); + debugfs_remove(dentry); out: return rc; } diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index bf24293970ce..9df824ea1667 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -24,43 +24,65 @@ #include <asm/irq.h> #include "entry.h" +DEFINE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat); +EXPORT_PER_CPU_SYMBOL_GPL(irq_stat); + struct irq_class { char *name; char *desc; }; -static const struct irq_class intrclass_names[] = { +/* + * The list of "main" irq classes on s390. This is the list of interrrupts + * that appear both in /proc/stat ("intr" line) and /proc/interrupts. + * Historically only external and I/O interrupts have been part of /proc/stat. + * We can't add the split external and I/O sub classes since the first field + * in the "intr" line in /proc/stat is supposed to be the sum of all other + * fields. + * Since the external and I/O interrupt fields are already sums we would end + * up with having a sum which accounts each interrupt twice. + */ +static const struct irq_class irqclass_main_desc[NR_IRQS] = { [EXTERNAL_INTERRUPT] = {.name = "EXT"}, - [IO_INTERRUPT] = {.name = "I/O"}, - [EXTINT_CLK] = {.name = "CLK", .desc = "[EXT] Clock Comparator"}, - [EXTINT_EXC] = {.name = "EXC", .desc = "[EXT] External Call"}, - [EXTINT_EMS] = {.name = "EMS", .desc = "[EXT] Emergency Signal"}, - [EXTINT_TMR] = {.name = "TMR", .desc = "[EXT] CPU Timer"}, - [EXTINT_TLA] = {.name = "TAL", .desc = "[EXT] Timing Alert"}, - [EXTINT_PFL] = {.name = "PFL", .desc = "[EXT] Pseudo Page Fault"}, - [EXTINT_DSD] = {.name = "DSD", .desc = "[EXT] DASD Diag"}, - [EXTINT_VRT] = {.name = "VRT", .desc = "[EXT] Virtio"}, - [EXTINT_SCP] = {.name = "SCP", .desc = "[EXT] Service Call"}, - [EXTINT_IUC] = {.name = "IUC", .desc = "[EXT] IUCV"}, - [EXTINT_CMS] = {.name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling"}, - [EXTINT_CMC] = {.name = "CMC", .desc = "[EXT] CPU-Measurement: Counter"}, - [EXTINT_CMR] = {.name = "CMR", .desc = "[EXT] CPU-Measurement: RI"}, - [IOINT_CIO] = {.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt"}, - [IOINT_QAI] = {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt"}, - [IOINT_DAS] = {.name = "DAS", .desc = "[I/O] DASD"}, - [IOINT_C15] = {.name = "C15", .desc = "[I/O] 3215"}, - [IOINT_C70] = {.name = "C70", .desc = "[I/O] 3270"}, - [IOINT_TAP] = {.name = "TAP", .desc = "[I/O] Tape"}, - [IOINT_VMR] = {.name = "VMR", .desc = "[I/O] Unit Record Devices"}, - [IOINT_LCS] = {.name = "LCS", .desc = "[I/O] LCS"}, - [IOINT_CLW] = {.name = "CLW", .desc = "[I/O] CLAW"}, - [IOINT_CTC] = {.name = "CTC", .desc = "[I/O] CTC"}, - [IOINT_APB] = {.name = "APB", .desc = "[I/O] AP Bus"}, - [IOINT_ADM] = {.name = "ADM", .desc = "[I/O] EADM Subchannel"}, - [IOINT_CSC] = {.name = "CSC", .desc = "[I/O] CHSC Subchannel"}, - [IOINT_PCI] = {.name = "PCI", .desc = "[I/O] PCI Interrupt" }, - [IOINT_MSI] = {.name = "MSI", .desc = "[I/O] MSI Interrupt" }, + [IO_INTERRUPT] = {.name = "I/O"} +}; + +/* + * The list of split external and I/O interrupts that appear only in + * /proc/interrupts. + * In addition this list contains non external / I/O events like NMIs. + */ +static const struct irq_class irqclass_sub_desc[NR_ARCH_IRQS] = { + [IRQEXT_CLK] = {.name = "CLK", .desc = "[EXT] Clock Comparator"}, + [IRQEXT_EXC] = {.name = "EXC", .desc = "[EXT] External Call"}, + [IRQEXT_EMS] = {.name = "EMS", .desc = "[EXT] Emergency Signal"}, + [IRQEXT_TMR] = {.name = "TMR", .desc = "[EXT] CPU Timer"}, + [IRQEXT_TLA] = {.name = "TAL", .desc = "[EXT] Timing Alert"}, + [IRQEXT_PFL] = {.name = "PFL", .desc = "[EXT] Pseudo Page Fault"}, + [IRQEXT_DSD] = {.name = "DSD", .desc = "[EXT] DASD Diag"}, + [IRQEXT_VRT] = {.name = "VRT", .desc = "[EXT] Virtio"}, + [IRQEXT_SCP] = {.name = "SCP", .desc = "[EXT] Service Call"}, + [IRQEXT_IUC] = {.name = "IUC", .desc = "[EXT] IUCV"}, + [IRQEXT_CMS] = {.name = "CMS", .desc = "[EXT] CPU-Measurement: Sampling"}, + [IRQEXT_CMC] = {.name = "CMC", .desc = "[EXT] CPU-Measurement: Counter"}, + [IRQEXT_CMR] = {.name = "CMR", .desc = "[EXT] CPU-Measurement: RI"}, + [IRQIO_CIO] = {.name = "CIO", .desc = "[I/O] Common I/O Layer Interrupt"}, + [IRQIO_QAI] = {.name = "QAI", .desc = "[I/O] QDIO Adapter Interrupt"}, + [IRQIO_DAS] = {.name = "DAS", .desc = "[I/O] DASD"}, + [IRQIO_C15] = {.name = "C15", .desc = "[I/O] 3215"}, + [IRQIO_C70] = {.name = "C70", .desc = "[I/O] 3270"}, + [IRQIO_TAP] = {.name = "TAP", .desc = "[I/O] Tape"}, + [IRQIO_VMR] = {.name = "VMR", .desc = "[I/O] Unit Record Devices"}, + [IRQIO_LCS] = {.name = "LCS", .desc = "[I/O] LCS"}, + [IRQIO_CLW] = {.name = "CLW", .desc = "[I/O] CLAW"}, + [IRQIO_CTC] = {.name = "CTC", .desc = "[I/O] CTC"}, + [IRQIO_APB] = {.name = "APB", .desc = "[I/O] AP Bus"}, + [IRQIO_ADM] = {.name = "ADM", .desc = "[I/O] EADM Subchannel"}, + [IRQIO_CSC] = {.name = "CSC", .desc = "[I/O] CHSC Subchannel"}, + [IRQIO_PCI] = {.name = "PCI", .desc = "[I/O] PCI Interrupt" }, + [IRQIO_MSI] = {.name = "MSI", .desc = "[I/O] MSI Interrupt" }, [NMI_NMI] = {.name = "NMI", .desc = "[NMI] Machine Check"}, + [CPU_RST] = {.name = "RST", .desc = "[CPU] CPU Restart"}, }; /* @@ -68,30 +90,34 @@ static const struct irq_class intrclass_names[] = { */ int show_interrupts(struct seq_file *p, void *v) { - int i = *(loff_t *) v, j; + int irq = *(loff_t *) v; + int cpu; get_online_cpus(); - if (i == 0) { + if (irq == 0) { seq_puts(p, " "); - for_each_online_cpu(j) - seq_printf(p, "CPU%d ",j); + for_each_online_cpu(cpu) + seq_printf(p, "CPU%d ", cpu); seq_putc(p, '\n'); } - - if (i < NR_IRQS) { - seq_printf(p, "%s: ", intrclass_names[i].name); -#ifndef CONFIG_SMP - seq_printf(p, "%10u ", kstat_irqs(i)); -#else - for_each_online_cpu(j) - seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]); -#endif - if (intrclass_names[i].desc) - seq_printf(p, " %s", intrclass_names[i].desc); - seq_putc(p, '\n'); - } + if (irq < NR_IRQS) { + seq_printf(p, "%s: ", irqclass_main_desc[irq].name); + for_each_online_cpu(cpu) + seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[irq]); + seq_putc(p, '\n'); + goto skip_arch_irqs; + } + for (irq = 0; irq < NR_ARCH_IRQS; irq++) { + seq_printf(p, "%s: ", irqclass_sub_desc[irq].name); + for_each_online_cpu(cpu) + seq_printf(p, "%10u ", per_cpu(irq_stat, cpu).irqs[irq]); + if (irqclass_sub_desc[irq].desc) + seq_printf(p, " %s", irqclass_sub_desc[irq].desc); + seq_putc(p, '\n'); + } +skip_arch_irqs: put_online_cpus(); - return 0; + return 0; } /* @@ -222,7 +248,7 @@ void __irq_entry do_extint(struct pt_regs *regs, struct ext_code ext_code, /* Serve timer interrupts first. */ clock_comparator_work(); } - kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++; + kstat_incr_irqs_this_cpu(EXTERNAL_INTERRUPT, NULL); if (ext_code.code != 0x1004) __get_cpu_var(s390_idle).nohz_delay = 1; diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index a6daa5c5cdb0..7918fbea36bb 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -254,7 +254,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs) int umode; nmi_enter(); - kstat_cpu(smp_processor_id()).irqs[NMI_NMI]++; + inc_irq_stat(NMI_NMI); mci = (struct mci *) &S390_lowcore.mcck_interruption_code; mcck = &__get_cpu_var(cpu_mcck); umode = user_mode(regs); diff --git a/arch/s390/kernel/perf_cpum_cf.c b/arch/s390/kernel/perf_cpum_cf.c index c4e7269d4a09..86ec7447e1f5 100644 --- a/arch/s390/kernel/perf_cpum_cf.c +++ b/arch/s390/kernel/perf_cpum_cf.c @@ -229,7 +229,7 @@ static void cpumf_measurement_alert(struct ext_code ext_code, if (!(alert & CPU_MF_INT_CF_MASK)) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_CMC]++; + inc_irq_stat(IRQEXT_CMC); cpuhw = &__get_cpu_var(cpu_hw_events); /* Measurement alerts are shared and might happen when the PMU diff --git a/arch/s390/kernel/runtime_instr.c b/arch/s390/kernel/runtime_instr.c index 61066f6f71a5..077a99389b07 100644 --- a/arch/s390/kernel/runtime_instr.c +++ b/arch/s390/kernel/runtime_instr.c @@ -71,7 +71,7 @@ static void runtime_instr_int_handler(struct ext_code ext_code, if (!(param32 & CPU_MF_INT_RI_MASK)) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_CMR]++; + inc_irq_stat(IRQEXT_CMR); if (!current->thread.ri_cb) return; diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 2568590973ad..a5360de85ec7 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -16,7 +16,7 @@ #define pr_fmt(fmt) KMSG_COMPONENT ": " fmt #include <linux/errno.h> -#include <linux/module.h> +#include <linux/export.h> #include <linux/sched.h> #include <linux/kernel.h> #include <linux/memblock.h> @@ -289,6 +289,7 @@ void machine_power_off(void) * Dummy power off function. */ void (*pm_power_off)(void) = machine_power_off; +EXPORT_SYMBOL_GPL(pm_power_off); static int __init early_parse_mem(char *p) { diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 0b45baa55438..7433a2f9e5cc 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -433,9 +433,9 @@ static void do_ext_call_interrupt(struct ext_code ext_code, cpu = smp_processor_id(); if (ext_code.code == 0x1202) - kstat_cpu(cpu).irqs[EXTINT_EXC]++; + inc_irq_stat(IRQEXT_EXC); else - kstat_cpu(cpu).irqs[EXTINT_EMS]++; + inc_irq_stat(IRQEXT_EMS); /* * handle bit signal external calls */ @@ -623,9 +623,10 @@ static struct sclp_cpu_info *smp_get_cpu_info(void) return info; } -static int smp_add_present_cpu(int cpu); +static int __cpuinit smp_add_present_cpu(int cpu); -static int __smp_rescan_cpus(struct sclp_cpu_info *info, int sysfs_add) +static int __cpuinit __smp_rescan_cpus(struct sclp_cpu_info *info, + int sysfs_add) { struct pcpu *pcpu; cpumask_t avail; @@ -708,6 +709,7 @@ static void __cpuinit smp_start_secondary(void *cpuvoid) pfault_init(); notify_cpu_starting(smp_processor_id()); set_cpu_online(smp_processor_id(), true); + inc_irq_stat(CPU_RST); local_irq_enable(); /* cpu_idle will call schedule for us */ cpu_idle(); @@ -985,7 +987,7 @@ static int __cpuinit smp_cpu_notify(struct notifier_block *self, return notifier_from_errno(err); } -static int smp_add_present_cpu(int cpu) +static int __cpuinit smp_add_present_cpu(int cpu) { struct cpu *c = &pcpu_devices[cpu].cpu; struct device *s = &c->dev; diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 48174850f3b0..6a6c61f94dd3 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -352,3 +352,4 @@ SYSCALL(sys_process_vm_readv,sys_process_vm_readv,compat_sys_process_vm_readv_wr SYSCALL(sys_process_vm_writev,sys_process_vm_writev,compat_sys_process_vm_writev_wrapper) SYSCALL(sys_ni_syscall,sys_s390_runtime_instr,sys_s390_runtime_instr_wrapper) SYSCALL(sys_kcmp,sys_kcmp,sys_kcmp_wrapper) +SYSCALL(sys_finit_module,sys_finit_module,sys_finit_module_wrapper) diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index 7fcd690d42c7..a5f4f5a1d24b 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators); */ unsigned long long notrace __kprobes sched_clock(void) { - return (get_clock_monotonic() * 125) >> 9; + return tod_to_ns(get_clock_monotonic()); } /* @@ -168,7 +168,7 @@ static void clock_comparator_interrupt(struct ext_code ext_code, unsigned int param32, unsigned long param64) { - kstat_cpu(smp_processor_id()).irqs[EXTINT_CLK]++; + inc_irq_stat(IRQEXT_CLK); if (S390_lowcore.clock_comparator == -1ULL) set_clock_comparator(S390_lowcore.clock_comparator); } @@ -179,7 +179,7 @@ static void stp_timing_alert(struct stp_irq_parm *); static void timing_alert_interrupt(struct ext_code ext_code, unsigned int param32, unsigned long param64) { - kstat_cpu(smp_processor_id()).irqs[EXTINT_TLA]++; + inc_irq_stat(IRQEXT_TLA); if (param32 & 0x00c40000) etr_timing_alert((struct etr_irq_parm *) ¶m32); if (param32 & 0x00038000) diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index f1aba87cceb8..4b2e3e317004 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -10,6 +10,7 @@ #include <linux/bootmem.h> #include <linux/cpuset.h> #include <linux/device.h> +#include <linux/export.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/init.h> @@ -42,6 +43,7 @@ static struct mask_info socket_info; static struct mask_info book_info; struct cpu_topology_s390 cpu_topology[NR_CPUS]; +EXPORT_SYMBOL_GPL(cpu_topology); static cpumask_t cpu_group_map(struct mask_info *info, unsigned int cpu) { diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index c30615e605ac..82c481ddef76 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -408,7 +408,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu) return 0; } - sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9; + sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now); hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL); VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index c9011bfaabbe..f090e819bf71 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -613,7 +613,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) kvm_s390_deliver_pending_interrupts(vcpu); vcpu->arch.sie_block->icptcode = 0; + preempt_disable(); kvm_guest_enter(); + preempt_enable(); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); trace_kvm_s390_sie_enter(vcpu, diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 42601d6e166f..2fb9e63b8fc4 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -569,7 +569,7 @@ static void pfault_interrupt(struct ext_code ext_code, subcode = ext_code.subcode; if ((subcode & 0xff00) != __SUBCODE_MASK) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_PFL]++; + inc_irq_stat(IRQEXT_PFL); /* Get the token (= pid of the affected task). */ pid = sizeof(void *) == 4 ? param32 : param64; rcu_read_lock(); diff --git a/arch/s390/oprofile/hwsampler.c b/arch/s390/oprofile/hwsampler.c index 0cb385da202c..b5b2916895e0 100644 --- a/arch/s390/oprofile/hwsampler.c +++ b/arch/s390/oprofile/hwsampler.c @@ -233,7 +233,7 @@ static void hws_ext_handler(struct ext_code ext_code, if (!(param32 & CPU_MF_INT_SF_MASK)) return; - kstat_cpu(smp_processor_id()).irqs[EXTINT_CMS]++; + inc_irq_stat(IRQEXT_CMS); atomic_xchg(&cb->ext_params, atomic_read(&cb->ext_params) | param32); if (hws_wq) diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index ff49427e9941..60e0372545d2 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -160,35 +160,6 @@ int pci_proc_domain(struct pci_bus *bus) } EXPORT_SYMBOL_GPL(pci_proc_domain); -/* Store PCI function information block */ -static int zpci_store_fib(struct zpci_dev *zdev, u8 *fc) -{ - struct zpci_fib *fib; - u8 status, cc; - - fib = (void *) get_zeroed_page(GFP_KERNEL); - if (!fib) - return -ENOMEM; - - do { - cc = __stpcifc(zdev->fh, 0, fib, &status); - if (cc == 2) { - msleep(ZPCI_INSN_BUSY_DELAY); - memset(fib, 0, PAGE_SIZE); - } - } while (cc == 2); - - if (cc) - pr_err_once("%s: cc: %u status: %u\n", - __func__, cc, status); - - /* Return PCI function controls */ - *fc = fib->fc; - - free_page((unsigned long) fib); - return (cc) ? -EIO : 0; -} - /* Modify PCI: Register adapter interruptions */ static int zpci_register_airq(struct zpci_dev *zdev, unsigned int aisb, u64 aibv) @@ -469,7 +440,7 @@ static void zpci_irq_handler(void *dont, void *need) int rescan = 0, max = aisb_max; struct zdev_irq_map *imap; - kstat_cpu(smp_processor_id()).irqs[IOINT_PCI]++; + inc_irq_stat(IRQIO_PCI); sbit = start; scan: @@ -481,7 +452,7 @@ scan: /* find vector bit */ imap = bucket->imap[sbit]; for_each_set_bit_left(mbit, &imap->aibv, imap->msi_vecs) { - kstat_cpu(smp_processor_id()).irqs[IOINT_MSI]++; + inc_irq_stat(IRQIO_MSI); clear_bit(63 - mbit, &imap->aibv); spin_lock(&imap->lock); diff --git a/arch/s390/pci/pci_dma.c b/arch/s390/pci/pci_dma.c index 6138468b420f..a547419907c3 100644 --- a/arch/s390/pci/pci_dma.c +++ b/arch/s390/pci/pci_dma.c @@ -13,8 +13,6 @@ #include <linux/pci.h> #include <asm/pci_dma.h> -static enum zpci_ioat_dtype zpci_ioat_dt = ZPCI_IOTA_RTTO; - static struct kmem_cache *dma_region_table_cache; static struct kmem_cache *dma_page_table_cache; diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 3fede4556c91..a0fa5791cd44 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -70,6 +70,16 @@ * OFF-ON : MMC */ +/* + * FSI - DA7210 + * + * it needs amixer settings for playing + * + * amixer set 'HeadPhone' 80 + * amixer set 'Out Mixer Left DAC Left' on + * amixer set 'Out Mixer Right DAC Right' on + */ + /* Heartbeat */ static unsigned char led_pos[] = { 0, 1, 2, 3 }; diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index 37924afa8d8a..bf9f44f17c29 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -203,9 +203,9 @@ extern void __kernel_vsyscall; if (vdso_enabled) \ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ else \ - NEW_AUX_ENT(AT_IGNORE, 0); + NEW_AUX_ENT(AT_IGNORE, 0) #else -#define VSYSCALL_AUX_ENT +#define VSYSCALL_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0) #endif /* CONFIG_VSYSCALL */ #ifdef CONFIG_SH_FPU diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index b1320d55ca30..e699a12cdcca 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -39,7 +39,7 @@ /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) +#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3) /* * Bit of SR register diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index 1ee8946f0952..1cc7d3197143 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -47,7 +47,7 @@ pc; }) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) +#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3) /* * Bit of SR register diff --git a/arch/sh/include/uapi/asm/unistd_32.h b/arch/sh/include/uapi/asm/unistd_32.h index 9e465f246dc1..d13a1d623736 100644 --- a/arch/sh/include/uapi/asm/unistd_32.h +++ b/arch/sh/include/uapi/asm/unistd_32.h @@ -379,7 +379,8 @@ #define __NR_process_vm_readv 365 #define __NR_process_vm_writev 366 #define __NR_kcmp 367 +#define __NR_finit_module 368 -#define NR_syscalls 368 +#define NR_syscalls 369 #endif /* __ASM_SH_UNISTD_32_H */ diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h index 8e3a2edd284e..e6820c86e8c7 100644 --- a/arch/sh/include/uapi/asm/unistd_64.h +++ b/arch/sh/include/uapi/asm/unistd_64.h @@ -399,7 +399,8 @@ #define __NR_process_vm_readv 376 #define __NR_process_vm_writev 377 #define __NR_kcmp 378 +#define __NR_finit_module 379 -#define NR_syscalls 379 +#define NR_syscalls 380 #endif /* __ASM_SH_UNISTD_64_H */ diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index fe97ae5e56f1..734234be2f01 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -385,3 +385,4 @@ ENTRY(sys_call_table) .long sys_process_vm_readv /* 365 */ .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 5c7b1c67bdc1..579fcb9a896b 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -405,3 +405,4 @@ sys_call_table: .long sys_process_vm_readv .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S index 60164e65d665..52aa2011d753 100644 --- a/arch/sh/lib/mcount.S +++ b/arch/sh/lib/mcount.S @@ -294,6 +294,8 @@ stack_panic: .align 2 .L_init_thread_union: .long init_thread_union +.L_ebss: + .long __bss_stop .Lpanic: .long panic .Lpanic_s: diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index cac719d1bc5c..62ced589bcf7 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -407,8 +407,9 @@ #define __NR_process_vm_writev 339 #define __NR_kern_features 340 #define __NR_kcmp 341 +#define __NR_finit_module 342 -#define NR_syscalls 342 +#define NR_syscalls 343 /* Bitmask values returned from kern_features system call. */ #define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 04bacce76fe6..baf4366e2d6a 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -378,7 +378,8 @@ static void apb_calc_first_last(u8 map, u32 *first_p, u32 *last_p) /* Cook up fake bus resources for SUNW,simba PCI bridges which lack * a proper 'ranges' property. */ -static void apb_fake_ranges(struct pci_dev *dev, struct pci_bus *bus, +static void apb_fake_ranges(struct pci_dev *dev, + struct pci_bus *bus, struct pci_pbm_info *pbm) { struct pci_bus_region region; @@ -403,13 +404,15 @@ static void apb_fake_ranges(struct pci_dev *dev, struct pci_bus *bus, pcibios_bus_to_resource(dev, res, ®ion); } -static void pci_of_scan_bus(struct pci_pbm_info *pbm, struct device_node *node, +static void pci_of_scan_bus(struct pci_pbm_info *pbm, + struct device_node *node, struct pci_bus *bus); #define GET_64BIT(prop, i) ((((u64) (prop)[(i)]) << 32) | (prop)[(i)+1]) static void of_scan_pci_bridge(struct pci_pbm_info *pbm, - struct device_node *node, struct pci_dev *dev) + struct device_node *node, + struct pci_dev *dev) { struct pci_bus *bus; const u32 *busrange, *ranges; @@ -500,7 +503,8 @@ after_ranges: pci_of_scan_bus(pbm, node, bus); } -static void pci_of_scan_bus(struct pci_pbm_info *pbm, struct device_node *node, +static void pci_of_scan_bus(struct pci_pbm_info *pbm, + struct device_node *node, struct pci_bus *bus) { struct device_node *child; diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index b85238289717..c647634ead2b 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -366,7 +366,8 @@ static void pbm_config_busmastering(struct pci_pbm_info *pbm) pci_config_write8(addr, 64); } -static void psycho_scan_bus(struct pci_pbm_info *pbm, struct device *parent) +static void psycho_scan_bus(struct pci_pbm_info *pbm, + struct device *parent) { pbm_config_busmastering(pbm); pbm->is_66mhz_capable = 0; diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c index 531186d7c9ab..6f00d27e8dac 100644 --- a/arch/sparc/kernel/pci_sabre.c +++ b/arch/sparc/kernel/pci_sabre.c @@ -442,7 +442,8 @@ static void sabre_scan_bus(struct pci_pbm_info *pbm, struct device *parent) sabre_register_error_handlers(pbm); } -static void sabre_pbm_init(struct pci_pbm_info *pbm, struct platform_device *op) +static void sabre_pbm_init(struct pci_pbm_info *pbm, + struct platform_device *op) { psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE); pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR; diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 29e888158ae6..8f76f23dac38 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -1306,8 +1306,9 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) } } -static int schizo_pbm_init(struct pci_pbm_info *pbm, struct platform_device *op, - u32 portid, int chip_type) +static int schizo_pbm_init(struct pci_pbm_info *pbm, + struct platform_device *op, u32 portid, + int chip_type) { const struct linux_prom64_registers *regs; struct device_node *dp = op->dev.of_node; diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 5147f574f125..6ac43c36bbbf 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -85,4 +85,4 @@ sys_call_table: /*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev -/*340*/ .long sys_ni_syscall, sys_kcmp +/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index cdbd9b817751..1009ecb92678 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -86,7 +86,7 @@ sys_call_table32: .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init /*330*/ .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev -/*340*/ .word sys_kern_features, sys_kcmp +/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module #endif /* CONFIG_COMPAT */ @@ -164,4 +164,4 @@ sys_call_table: .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev -/*340*/ .word sys_kern_features, sys_kcmp +/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index b1942e222768..18e329ca108e 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -302,7 +302,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params) if (status != EFI_SUCCESS) continue; - if (!attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM) + if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM)) continue; if (!pci->romimage || !pci->romsize) diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 4428fd178bce..6774c17a5576 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -340,9 +340,6 @@ int x86_setup_perfctr(struct perf_event *event) /* BTS is currently only allowed for user-mode. */ if (!attr->exclude_kernel) return -EOPNOTSUPP; - - if (!attr->exclude_guest) - return -EOPNOTSUPP; } hwc->config |= config; @@ -385,9 +382,6 @@ int x86_pmu_hw_config(struct perf_event *event) if (event->attr.precise_ip) { int precise = 0; - if (!event->attr.exclude_guest) - return -EOPNOTSUPP; - /* Support for constant skid */ if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) { precise++; diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index ff84d5469d77..6ed91d9980e2 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1065,7 +1065,6 @@ ENTRY(xen_failsafe_callback) lea 16(%esp),%esp CFI_ADJUST_CFA_OFFSET -16 jz 5f - addl $16,%esp jmp iret_exc 5: pushl_cfi $-1 /* orig_ax = -1 => not a system call */ SAVE_ALL diff --git a/arch/x86/kernel/kvm.c b/arch/x86/kernel/kvm.c index 08b973f64032..9c2bd8bd4b4c 100644 --- a/arch/x86/kernel/kvm.c +++ b/arch/x86/kernel/kvm.c @@ -43,6 +43,7 @@ #include <asm/apicdef.h> #include <asm/hypervisor.h> #include <asm/kvm_guest.h> +#include <asm/context_tracking.h> static int kvmapf = 1; @@ -121,6 +122,8 @@ void kvm_async_pf_task_wait(u32 token) struct kvm_task_sleep_node n, *e; DEFINE_WAIT(wait); + rcu_irq_enter(); + spin_lock(&b->lock); e = _find_apf_task(b, token); if (e) { @@ -128,6 +131,8 @@ void kvm_async_pf_task_wait(u32 token) hlist_del(&e->link); kfree(e); spin_unlock(&b->lock); + + rcu_irq_exit(); return; } @@ -152,13 +157,16 @@ void kvm_async_pf_task_wait(u32 token) /* * We cannot reschedule. So halt. */ + rcu_irq_exit(); native_safe_halt(); + rcu_irq_enter(); local_irq_disable(); } } if (!n.halted) finish_wait(&n.wq, &wait); + rcu_irq_exit(); return; } EXPORT_SYMBOL_GPL(kvm_async_pf_task_wait); @@ -252,10 +260,10 @@ do_async_page_fault(struct pt_regs *regs, unsigned long error_code) break; case KVM_PV_REASON_PAGE_NOT_PRESENT: /* page is swapped out by the host. */ - rcu_irq_enter(); + exception_enter(regs); exit_idle(); kvm_async_pf_task_wait((u32)read_cr2()); - rcu_irq_exit(); + exception_exit(regs); break; case KVM_PV_REASON_PAGE_READY: rcu_irq_enter(); diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 23ddd558fbd5..00f6c1472b85 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -610,6 +610,83 @@ static __init void reserve_ibft_region(void) static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10; +static bool __init snb_gfx_workaround_needed(void) +{ +#ifdef CONFIG_PCI + int i; + u16 vendor, devid; + static const __initconst u16 snb_ids[] = { + 0x0102, + 0x0112, + 0x0122, + 0x0106, + 0x0116, + 0x0126, + 0x010a, + }; + + /* Assume no if something weird is going on with PCI */ + if (!early_pci_allowed()) + return false; + + vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID); + if (vendor != 0x8086) + return false; + + devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID); + for (i = 0; i < ARRAY_SIZE(snb_ids); i++) + if (devid == snb_ids[i]) + return true; +#endif + + return false; +} + +/* + * Sandy Bridge graphics has trouble with certain ranges, exclude + * them from allocation. + */ +static void __init trim_snb_memory(void) +{ + static const __initconst unsigned long bad_pages[] = { + 0x20050000, + 0x20110000, + 0x20130000, + 0x20138000, + 0x40004000, + }; + int i; + + if (!snb_gfx_workaround_needed()) + return; + + printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n"); + + /* + * Reserve all memory below the 1 MB mark that has not + * already been reserved. + */ + memblock_reserve(0, 1<<20); + + for (i = 0; i < ARRAY_SIZE(bad_pages); i++) { + if (memblock_reserve(bad_pages[i], PAGE_SIZE)) + printk(KERN_WARNING "failed to reserve 0x%08lx\n", + bad_pages[i]); + } +} + +/* + * Here we put platform-specific memory range workarounds, i.e. + * memory known to be corrupt or otherwise in need to be reserved on + * specific platforms. + * + * If this gets used more widely it could use a real dispatch mechanism. + */ +static void __init trim_platform_memory_ranges(void) +{ + trim_snb_memory(); +} + static void __init trim_bios_range(void) { /* @@ -630,6 +707,7 @@ static void __init trim_bios_range(void) * take them out. */ e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); + sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); } @@ -908,6 +986,8 @@ void __init setup_arch(char **cmdline_p) setup_real_mode(); + trim_platform_memory_ranges(); + init_gbpages(); /* max_pfn_mapped is updated here */ diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index cd3b2438a980..9b4d51d0c0d0 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -165,10 +165,11 @@ void set_task_blockstep(struct task_struct *task, bool on) * Ensure irq/preemption can't change debugctl in between. * Note also that both TIF_BLOCKSTEP and debugctl should * be changed atomically wrt preemption. - * FIXME: this means that set/clear TIF_BLOCKSTEP is simply - * wrong if task != current, SIGKILL can wakeup the stopped - * tracee and set/clear can play with the running task, this - * can confuse the next __switch_to_xtra(). + * + * NOTE: this means that set/clear TIF_BLOCKSTEP is only safe if + * task is current or it can't be running, otherwise we can race + * with __switch_to_xtra(). We rely on ptrace_freeze_traced() but + * PTRACE_KILL is not safe. */ local_irq_disable(); debugctl = get_debugctlmsr(); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 76f54461f7cb..c243b81e3c74 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -120,7 +120,7 @@ struct kvm_shared_msrs { }; static struct kvm_shared_msrs_global __read_mostly shared_msrs_global; -static DEFINE_PER_CPU(struct kvm_shared_msrs, shared_msrs); +static struct kvm_shared_msrs __percpu *shared_msrs; struct kvm_stats_debugfs_item debugfs_entries[] = { { "pf_fixed", VCPU_STAT(pf_fixed) }, @@ -191,10 +191,10 @@ static void kvm_on_user_return(struct user_return_notifier *urn) static void shared_msr_update(unsigned slot, u32 msr) { - struct kvm_shared_msrs *smsr; u64 value; + unsigned int cpu = smp_processor_id(); + struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu); - smsr = &__get_cpu_var(shared_msrs); /* only read, and nobody should modify it at this time, * so don't need lock */ if (slot >= shared_msrs_global.nr) { @@ -226,7 +226,8 @@ static void kvm_shared_msr_cpu_online(void) void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask) { - struct kvm_shared_msrs *smsr = &__get_cpu_var(shared_msrs); + unsigned int cpu = smp_processor_id(); + struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu); if (((value ^ smsr->values[slot].curr) & mask) == 0) return; @@ -242,7 +243,8 @@ EXPORT_SYMBOL_GPL(kvm_set_shared_msr); static void drop_user_return_notifiers(void *ignore) { - struct kvm_shared_msrs *smsr = &__get_cpu_var(shared_msrs); + unsigned int cpu = smp_processor_id(); + struct kvm_shared_msrs *smsr = per_cpu_ptr(shared_msrs, cpu); if (smsr->registered) kvm_on_user_return(&smsr->urn); @@ -5233,9 +5235,16 @@ int kvm_arch_init(void *opaque) goto out; } + r = -ENOMEM; + shared_msrs = alloc_percpu(struct kvm_shared_msrs); + if (!shared_msrs) { + printk(KERN_ERR "kvm: failed to allocate percpu kvm_shared_msrs\n"); + goto out; + } + r = kvm_mmu_module_init(); if (r) - goto out; + goto out_free_percpu; kvm_set_mmio_spte_mask(); kvm_init_msr_list(); @@ -5258,6 +5267,8 @@ int kvm_arch_init(void *opaque) return 0; +out_free_percpu: + free_percpu(shared_msrs); out: return r; } @@ -5275,6 +5286,7 @@ void kvm_arch_exit(void) #endif kvm_x86_ops = NULL; kvm_mmu_module_exit(); + free_percpu(shared_msrs); } int kvm_emulate_halt(struct kvm_vcpu *vcpu) diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 4f7d2599b484..34bc4cee8887 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -432,13 +432,6 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */ play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); cpu_bringup(); - /* - * Balance out the preempt calls - as we are running in cpu_idle - * loop which has been called at bootup from cpu_bringup_and_idle. - * The cpucpu_bringup_and_idle called cpu_bringup which made a - * preempt_disable() So this preempt_enable will balance it out. - */ - preempt_enable(); } #else /* !CONFIG_HOTPLUG_CPU */ |