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This reverts commit 9d046ccb98085f1d437585f84748c783a04ba240.
Commit 9d046ccb98085 marks all state tables with __initdata, but
the state table may be accessed when doing CPU online, which then
causing system crash as below:
[ 204.188841] BUG: unable to handle kernel paging request at ffffffff8227cce8
[ 204.196844] IP: [<ffffffff814aa1c0>] intel_idle_cpu_init+0x40/0x130
[ 204.203996] PGD 1e11067 PUD 1e12063 PMD 455859063 PTE 800000000227c062
[ 204.211638] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC
[ 204.216975] Modules linked in: x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd gpio_ich microcode joydev sb_edac edac_core ipmi_si lpc_ich ipmi_msghandler lp tpm_tis parport wmi mac_hid acpi_pad hid_generic ixgbe isci usbhid dca hid libsas ptp ahci libahci scsi_transport_sas megaraid_sas pps_core mdio
[ 204.262815] CPU: 11 PID: 1489 Comm: bash Not tainted 3.13.0-rc7+ #48
[ 204.269993] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRIVTIN1.86B.0047.L09.1312061514 12/06/2013
[ 204.281646] task: ffff8804303a24a0 ti: ffff880440fac000 task.ti: ffff880440fac000
[ 204.290311] RIP: 0010:[<ffffffff814aa1c0>] [<ffffffff814aa1c0>] intel_idle_cpu_init+0x40/0x130
[ 204.300184] RSP: 0018:ffff880440fadd28 EFLAGS: 00010286
[ 204.306192] RAX: ffffffff8227cca0 RBX: ffffe8fff1a03400 RCX: 0000000000000007
[ 204.314244] RDX: ffff88045f400000 RSI: 0000000000000009 RDI: 0000000000001120
[ 204.322296] RBP: ffff880440fadd38 R08: 0000000000000000 R09: 0000000000000001
[ 204.330411] R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000001e
[ 204.338482] R13: 00000000ffffffdb R14: 0000000000000001 R15: 0000000000000000
[ 204.346743] FS: 00007f64f7b0c740(0000) GS:ffff88045ce00000(0000) knlGS:0000000000000000
[ 204.355919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 204.362449] CR2: ffffffff8227cce8 CR3: 0000000444ab0000 CR4: 00000000001407e0
[ 204.370520] Stack:
[ 204.372853] 000000000000001e ffffffff81f10240 ffff880440fadd50 ffffffff814aa307
[ 204.381519] ffffffff81ea80e0 ffff880440fadda0 ffffffff8185a230 0000000000000000
[ 204.390196] 000000000000001e 0000000000000002 0000000000000002 0000000000000000
[ 204.398856] Call Trace:
[ 204.401683] [<ffffffff814aa307>] cpu_hotplug_notify+0x57/0x70
[ 204.408638] [<ffffffff8185a230>] notifier_call_chain+0x100/0x150
[ 204.415553] [<ffffffff810a7dae>] __raw_notifier_call_chain+0xe/0x10
[ 204.422772] [<ffffffff81072163>] cpu_notify+0x23/0x50
[ 204.428616] [<ffffffff810723b2>] _cpu_up+0x132/0x1a0
[ 204.434361] [<ffffffff8107249d>] cpu_up+0x7d/0xa0
[ 204.439819] [<ffffffff81836c9c>] cpu_subsys_online+0x3c/0x90
[ 204.446345] [<ffffffff81554625>] device_online+0x45/0xa0
[ 204.452471] [<ffffffff815546ce>] online_store+0x4e/0x80
[ 204.458511] [<ffffffff815519a8>] dev_attr_store+0x18/0x30
[ 204.464744] [<ffffffff812a68f1>] sysfs_write_file+0x151/0x1c0
[ 204.471681] [<ffffffff81217ef1>] vfs_write+0xe1/0x160
[ 204.477524] [<ffffffff8121889c>] SyS_write+0x4c/0x90
[ 204.483270] [<ffffffff8185f2ed>] system_call_fastpath+0x1a/0x1f
[ 204.490081] Code: 41 54 41 89 fc 8b 3d 48 25 85 01 53 48 8b 1d 30 25 85 01 48 03 1c c5 40 90 fb 81 48 8b 05 19 25 85 01 c7 43 0c 01 00 00 00 66 90 <48> 83 78 48 00 74 4f 41 83 c0 01 41 39 f0 7e 10 48 c7 c7 38 79
[ 204.515723] RIP [<ffffffff814aa1c0>] intel_idle_cpu_init+0x40/0x130
[ 204.522996] RSP <ffff880440fadd28>
[ 204.526976] CR2: ffffffff8227cce8
[ 204.530766] ---[ end trace 336f56cc3d1cfc8c ]---
Fixes: 9d046ccb98085 (intel_idle: mark states tables with __initdata tag)
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-battery:
ACPI / Battery: Add a _BIX quirk for NEC LZ750/LS
* pm-cpufreq:
intel_pstate: Add X86_FEATURE_APERFMPERF to cpu match parameters.
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KVM environments do not support APERF/MPERF MSRs. intel_pstate cannot
operate without these registers.
The previous validity checks in intel_pstate_msrs_not_valid() are
insufficent in nested KVMs.
References: https://bugzilla.redhat.com/show_bug.cgi?id=1046317
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The AML method _BIX of NEC LZ750/LS returns a broken package which
skips the first member "Revision" (ACPI 5.0, Table 10-234).
Add a quirk for this machine to skip member "Revision" during parsing
the package returned by _BIX.
Reference: https://bugzilla.kernel.org/show_bug.cgi?id=67351
Reported-and-tested-by: Francisco Castro <fcr@adinet.com.uy>
Cc: 3.8+ <stable@vger.kernel.org> " 3.8+
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-ac:
ACPI / AC: change notification handler type to ACPI_ALL_NOTIFY
* acpi-tpm:
ACPI / TPM: fix memory leak when walking ACPI namespace
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In function ppi_callback(), memory allocated by acpi_get_name() will get
leaked when current device isn't the desired TPM device, so fix the
memory leak.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: All applicable <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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With kernel 3.13rc5 there are no AC adapter notifications on my laptop.
Commit cc8ef5270734 "ACPI / AC: convert ACPI ac driver to platform bus"
changed the driver to listen to device notifications only. However, AML
code on my laptop notifies the driver with zero event.
This patch changes the driver to listen to all events again.
Fixes: cc8ef5270734 (ACPI / AC: convert ACPI ac driver to platform bus)
References: https://bugzilla.kernel.org/show_bug.cgi?id=67821
Signed-off-by: Alexander Mezin <mezin.alexander@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes
Pull MFD fix from Samuel Ortiz:
"This is the 2nd MFD pull request for 3.13
It only contains one fix for the rtsx_pcr driver. Without it we see a
kernel panic on some machines, when resuming from suspend to RAM"
* tag 'mfd-fixes-3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
mfd: rtsx_pcr: Disable interrupts before cancelling delayed works
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This fixes a kernel panic when resuming from suspend to RAM.
Without this fix an interrupt hits after the delayed work is canceled
and thus requeues it. So we end up freeing an armed timer.
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.linaro.org/people/mike.turquette/linux
Pull clock fixes from Mike Turquette:
"Late fixes for clock drivers. All of these fixes are for user-visible
regressions, typically boot failures or other unsafe system
configuration that causes badness"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux:
clk: clk-divider: fix divisor > 255 bug
clk: exynos: File scope reg_save array should depend on PM_SLEEP
clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg clock
ARM: dts: exynos5250: Fix MDMA0 clock number
clk: samsung: exynos5250: Add MDMA0 clocks
clk: samsung: exynos5250: Fix ACP gate register offset
clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
clk: samsung: exynos4: Correct SRC_MFC register
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Commit 6d9252bd9a4bb (clk: Add support for power of two type dividers)
merged in v3.6 added the _get_val function to convert a divisor value to
a register field value depending on the flags. However it used the type
u8 for the div field, causing divisors larger than 255 to be masked
and the resultant clock rate to be too high.
E.g. in my case an 11bit divider was supposed to divide 24.576 MHz down
to 32.768KHz. The divisor was correctly calculated as 750 (0x2ee). This
was masked to 238 (0xee) resulting in a frequency of 103.26KHz.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: stable@vger.kernel.org
Signed-off-by: Mike Turquette <mturquette@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tfiga/samsung-clk into clk-fixes
Samsung Clock fixes for 3.13-rc7
* Several patches fixing up incorrectly defined register addresses and
bitfield offsets that could lead to undefined operation when accessing
respective registers or bitfields.
1) clk: exynos5250: fix sysmmu_mfc{l,r} gate clocks
2a) clk: samsung: exynos5250: Fix ACP gate register offset
2b) clk: samsung: exynos5250: Add MDMA0 clocks
2c) ARM: dts: exynos5250: Fix MDMA0 clock number
3) clk: samsung: exynos4: Correct SRC_MFC register
All three issues have been present since Exynos5250 and Exynos4 clock
drivers were added by commits 6e3ad26816b72 ("clk: exynos5250:
register clocks using common clock framework") and e062b571777f5
("clk: exynos4: register clocks using common clock framework")
respectively.
* Patch to fix automatic disabling of Exynos5250 sysreg clock that could
cause undefined operation of several peripherals, such as USB, I2C,
MIPI or display block.
4) clk: samsung: exynos5250: Add CLK_IGNORE_UNUSED flag for the sysreg
clock
Present since Exynos5250 clock drivers was added by commits
6e3ad26816b72 ("clk: exynos5250: register clocks using common clock
framework").
* Patch fixing compilation warning in clk-exynos-audss driver when
CONFIG_PM_SLEEP is disabled.
5) clk: exynos: File scope reg_save array should depend on PM_SLEEP
Present since the driver was added by commit 1241ef94ccc3 ("clk:
samsung: register audio subsystem clocks using common clock
framework").
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Move reg_save[] into CONFIG_PM_SLEEP dependency block as it is used only
by suspend and resume functions.
This fixes the warning on CONFIG_PM_SLEEP=n:
drivers/clk/samsung/clk-exynos-audss.c:29:22: warning: ‘reg_save’ defined but not used [-Wunused-variable]
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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The sysreg (system register) generates control signals for various blocks
like disp1blk, i2c, mipi, usb etc. However, it gets disabled as an unused
clock at boot-up. This can lead to failures in operation of above blocks,
because they can not be configured properly if this clock is disabled.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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Adds gate clock for MDMA0 on Exynos5250 SoC. This is needed to ensure
that the clock is enabled when MDMA0 is used on systems on which
firmware gates the clockby default.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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The CLK_GATE_IP_ACP register offset is incorrectly listed making
definition of g2d clock incorrect, which may lead to system failures
when trying to use G2D on systems on which firmware gates this clock
by default. Fix this and the register ordering as well.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description.]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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The gate clocks for the MFC sysmmus appear to be flipped, i.e.
GATE_IP_MFC[2] gates sysmmu_mfcl and GATE_IP_MFC[1] gates sysmmu_mfcr.
Fix this so that the MFC will start up.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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The SRC_MFC register offset was incorrect, which could cause have caused
wrong calculation of rate of sclk_mfc clock, that could in turn lead to
incorrect operation of MFC. This patch corrects it.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Mike Turquette <mturquette@linaro.org>
[t.figa: Updated patch description]
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"Late fixes for libata. Nothing too interesting. Adding missing PM
callbacks to satat_sis and an additional PCI ID for ahci"
* 'for-3.13-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
sata_sis: missing PM support
ahci: add PCI ID for Marvell 88SE9170 SATA controller
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sata_sis has no suspend/resume methods. The default ones will do fine and
are needed on some systems.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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This patch adds support for the PCI ID provided by the Marvell 88SE9170
SATA controller.
Signed-off-by: Simon Guinot <sguinot@lacie.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: stable@vger.kernel.org
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git://anongit.freedesktop.org/nouveau/linux-2.6 into drm-fixes
misc fixes for nouveau, one more msi rearm, regression fix for old bioses
crash and leak fixes.
* 'drm-nouveau-next' of git://anongit.freedesktop.org/nouveau/linux-2.6:
drm/nouveau/nouveau: fix memory leak in nouveau_crtc_page_flip()
drm/nouveau/bios: fix offset calculation for BMPv1 bioses
drm/nouveau: return offset of allocated notifier
drm/nouveau/bios: make jump conditional
drm/nvce/mc: fix msi rearm on GF114
drm/nvc0/gr: fix mthd data submission
drm/nouveau: populate master subdev pointer only when fully constructed
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Fix a memory leak in the nouveau_crtc_page_flip() error handling path.
Signed-off-by: Christian Engelmayer <cengelma@gmx.at>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The only BIOS on record that needs the 14 offset has a bios major
version 2 but BMP version 1.01. Another bunch of BIOSes that need the 18
offset have BMP version 2.01 or 5.01 or higher. So instead of looking at the
bios major version, look at the BMP version. BIOSes with BMP version 0
do not contain a detectable script, so always return 0 for them.
See https://bugs.freedesktop.org/show_bug.cgi?id=68835
Reported-by: Mauro Molinari <mauromol@tiscali.it>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This fixes a hang in VBIOS scripts of the form "condition; jump".
The jump used to always be executed, while now it will only be
executed if the condition is true.
See https://bugs.freedesktop.org/show_bug.cgi?id=72943
Reported-by: Darcy Brás da Silva <dardevelin@cidadecool.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: stable@vger.kernel.org
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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If the initial data element is 0, it will never be written, even
though the value from the previous method may be there.
Signed-off-by: Kelly Doran <kel.p.doran@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Just a revert (gen4 backlight seems a lost cause) and a tlb coherency fix
for bdw, plus the patch to sign up Jani for co-maintainer. Thanks to Ben
for taking care of -fixes while I've enjoyed a bit of vacation.
* tag 'drm-intel-fixes-2014-01-08' of git://people.freedesktop.org/~danvet/drm-intel:
MAINTAINERS: Updates for drm/i915
Revert "drm/i915: assume all GM45 Acer laptops use inverted backlight PWM"
drm/i915/bdw: Flush system agent on gen8 also
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My Acer 8510TZ stops displaying anything when X starts with Linus' current
tree. I bisected it down to commit ee1452d74584.
This patch reverts commit ee1452d74584.
After the revert, everything works as before.
Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Reported-by: Dylan Borg <borgdylan@hotmail.com> (for a Acer Extensa 5635Z)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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gem_gtt_cpu_tlb seems to indicate that it is needed.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=72869
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pull networking fixes from David Miller:
"I'm hoping this is the very last batch of networking fixes for 3.13,
here goes nothing:
1) Fix crashes in VLAN's header_ops passthru.
2) Bridge multicast code needs to use BH spinlocks to prevent
deadlocks with timers. From Curt Brune.
3) ipv6 tunnels lack proper synchornization when updating percpu
statistics. From Li RongQing.
4) Fixes to bnx2x driver from Yaniv Rosner, Dmitry Kravkov and Michal
Kalderon.
5) Avoid undefined operator evaluation order in llc code, from Daniel
Borkmann.
6) Error paths in various GSO offload paths do not unwind properly,
in particular they must undo any modifications they have made to
the SKB. From Wei-Chun Chao.
7) Fix RX refill races during restore in virtio-net, from Jason Wang.
8) Fix SKB use after free in LLC code, from Daniel Borkmann.
9) Missing unlock and OOPS in netpoll code when VLAN tag handling
fails.
10) Fix vxlan device attachment wrt ipv6, from Fan Du.
11) Don't allow creating infiniband links to non-infiniband devices,
from Hangbin Liu.
12) Revert FEC phy reset active low change, it breaks things. From
Fabio Estevam.
13) Fix header pointer handling in 6lowpan header building code, from
Daniel Borkmann.
14) Fix RSS handling in be2net driver, from Vasundhara Volam.
15) Fix modem port indexing in HSO driver, from Dan Williams"
* http://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
bridge: use spin_lock_bh() in br_multicast_set_hash_max
ipv6: don't install anycast address for /128 addresses on routers
hso: fix handling of modem port SERIAL_STATE notifications
isdn: Drop big endian cpp checks from telespci and hfc_pci drivers
be2net: fix max_evt_qs calculation for BE3 in SR-IOV config
be2net: increase the timeout value for loopback-test FW cmd
be2net: disable RSS when number of RXQs is reduced to 1 via set-channels
xen-netback: Include header for vmalloc
net: 6lowpan: fix lowpan_header_create non-compression memcpy call
fec: Revert "fec: Do not assume that PHY reset is active low"
bnx2x: fix VLAN configuration for VFs.
bnx2x: fix AFEX memory overflow
bnx2x: Clean before update RSS arrives
bnx2x: Correct number of MSI-X vectors for VFs
bnx2x: limit number of interrupt vectors for 57711
qlcnic: Fix bug in Tx completion path
infiniband: make sure the src net is infiniband when create new link
{vxlan, inet6} Mark vxlan_dev flags with VXLAN_F_IPV6 properly
cxgb4: allow large buffer size to have page size
netpoll: Fix missing TXQ unlock and and OOPS.
...
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The existing serial state notification handling expected older Option
devices, having a hardcoded assumption that the Modem port was always
USB interface #2. That isn't true for devices from the past few years.
hso_serial_state_notification is a local cache of a USB Communications
Interface Class SERIAL_STATE notification from the device, and the
USB CDC specification (section 6.3, table 67 "Class-Specific Notifications")
defines wIndex as the USB interface the event applies to. For hso
devices this will always be the Modem port, as the Modem port is the
only port which is set up to receive them by the driver.
So instead of always expecting USB interface #2, instead validate the
notification with the actual USB interface number of the Modem port.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With arm:allmodconfig, building the Teles PCI driver fails with
telespci.c:294:2: error: #error "not running on big endian machines now"
Similar, building the driver for HFC PCI-Bus cards fails with
hfc_pci.c:1647:2: error: #error "not running on big endian machines now"
Remove the big endian cpp check from both drivers to fix the build errors.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver wrongly assumes 16 EQs/vectors are available for each BE3 PF.
When SR-IOV is enabled, a BE3 PF can support only a max of 8 EQs.
Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The loopback test FW cmd may need upto 15 seconds to complete on
certain PHYs. This patch also fixes the name of the completion variable
used to synchronize FW cmd completions as it not used by the flashing
cmd alone anymore.
Signed-off-by: Suresh Reddy <suresh.reddy@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When *only* the default RXQ is used, the RSS policy must be disabled so
that all IP and no-IP traffic is placed into the default RXQ. If not,
IP traffic is dropped.
Also, issue the RSS_CONFIG cmd only if FW advertises RSS capability for
the interface.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit ac3d5ac27735 ("xen-netback: fix guest-receive-side array sizes")
added calls to vmalloc and vfree in the interface.c file without including
<linux/vmalloc.h>. This causes build failures if the
-Werror=implicit-function-declaration flag is passed.
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to keep DT compatibility we need to revert this, otherwise the original
dts files will no longer work with this driver change.
This reverts commit 7a399e3a2e05bc580a78ea72371b3896827f72e1.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the hypervisor configures a vlan for the VF via the PF, the expected
result is that only packets tagged by said vlan will be received by the VF
(and that vlan will be silently removed).
Due to an incorrect manipulation of vlan filters in the driver, the
VF can receive untagged traffic even if the hypervisor configured
some vlan for it.
This patch corrects the behaviour.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are 2 different (related) flows in the slowpath configuration
that utilize the same pointer and cast it to different structs;
This is obviously incorrect as the intended allocated memory is that
of the smaller struct, possibly causing the flow utilizing the larger
struct to corrupt other slowpath configuration.
Since both flows are exclusive, set the allocated memory to be a union
of both structs.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a PF receives a VF message indicating a change in RSS properties
it should clean the flags' bit-fields; Otherwise, it's possible that
some random values will be considered as flags by the lower layers configuring
the RSS in FW.
Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Number of VFs in PCIe configuration space is zero-based. Driver incorrectly
sets the number of VFs to be larger by one than what actually is feasible by
HW, which might cause later VFs to fail to allocate their MSI-X interrupts.
Signed-off-by: Michal Kalderon <michals@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Original straightforward division may lead to zeroing number of SB and
null-pointer dereference when device is short of MSIX vectors or lacks
MSIX capabilities.
Reported-by: Vladislav Zolotarov <vladz@cloudius-systems.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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o Driver is using common tx_clean_lock for all Tx queues. This patch
adds per queue tx_clean_lock.
o Driver is not updating sw_consumer while processing Tx completion
when interface is going down. Fixed in this patch.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we create a new infiniband link with uninfiniband device, e.g. `ip link
add link em1 type ipoib pkey 0x8001`. We will get a NULL pointer dereference
cause other dev like Ethernet don't have struct ib_device.
The code path is:
rtnl_newlink
|-- ipoib_new_child_link
|-- __ipoib_vlan_add
|-- ipoib_set_dev_features
|-- ib_query_device
Fix this bug by make sure the src net is infiniband when create new link.
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Even if user doesn't supply the physical netdev to attach vxlan dev
to, and at the same time user want to vxlan sit top of IPv6, mark
vxlan_dev flags with VXLAN_F_IPV6 to create IPv6 based socket.
Otherwise kernel crashes safely every time spitting below messages,
Steps to reproduce:
ip link add vxlan0 type vxlan id 42 group ff0e::110
ip link set vxlan0 up
[ 62.656266] BUG: unable to handle kernel NULL pointer dereference[ 62.656320] ip (3008) used greatest stack depth: 3912 bytes left
at 0000000000000046
[ 62.656423] IP: [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.656525] PGD 2c966067 PUD 2c9a2067 PMD 0
[ 62.656674] Oops: 0000 [#1] SMP
[ 62.656781] Modules linked in: vxlan netconsole deflate zlib_deflate af_key
[ 62.657083] CPU: 1 PID: 2128 Comm: whoopsie Not tainted 3.12.0+ #182
[ 62.657083] Hardware name: innotek GmbH VirtualBox, BIOS VirtualBox 12/01/2006
[ 62.657083] task: ffff88002e2335d0 ti: ffff88002c94c000 task.ti: ffff88002c94c000
[ 62.657083] RIP: 0010:[<ffffffff816d822d>] [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.657083] RSP: 0000:ffff88002fd038f8 EFLAGS: 00210296
[ 62.657083] RAX: 0000000000000000 RBX: ffff88002fd039e0 RCX: 0000000000000000
[ 62.657083] RDX: ffff88002fd0eb68 RSI: ffff88002fd0d278 RDI: ffff88002fd0d278
[ 62.657083] RBP: ffff88002fd03918 R08: 0000000002000000 R09: 0000000000000000
[ 62.657083] R10: 00000000000001ff R11: 0000000000000000 R12: 0000000000000001
[ 62.657083] R13: ffff88002d96b480 R14: ffffffff81c8e2c0 R15: 0000000000000001
[ 62.657083] FS: 0000000000000000(0000) GS:ffff88002fd00000(0063) knlGS:00000000f693b740
[ 62.657083] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 62.657083] CR2: 0000000000000046 CR3: 000000002c9d2000 CR4: 00000000000006e0
[ 62.657083] Stack:
[ 62.657083] ffff88002fd03a40 ffffffff81c8e2c0 ffff88002fd039e0 ffff88002d96b480
[ 62.657083] ffff88002fd03958 ffffffff816cac8b ffff880019277cc0 ffff8800192b5d00
[ 62.657083] ffff88002d5bc000 ffff880019277cc0 0000000000001821 0000000000000001
[ 62.657083] Call Trace:
[ 62.657083] <IRQ>
[ 62.657083] [<ffffffff816cac8b>] ip6_dst_lookup_tail+0xdb/0xf0
[ 62.657083] [<ffffffff816caea0>] ip6_dst_lookup+0x10/0x20
[ 62.657083] [<ffffffffa0020c13>] vxlan_xmit_one+0x193/0x9c0 [vxlan]
[ 62.657083] [<ffffffff8137b3b7>] ? account+0xc7/0x1f0
[ 62.657083] [<ffffffffa0021513>] vxlan_xmit+0xd3/0x400 [vxlan]
[ 62.657083] [<ffffffff8161390d>] dev_hard_start_xmit+0x49d/0x5e0
[ 62.657083] [<ffffffff81613d29>] dev_queue_xmit+0x2d9/0x480
[ 62.657083] [<ffffffff817cb854>] ? _raw_write_unlock_bh+0x14/0x20
[ 62.657083] [<ffffffff81630565>] ? eth_header+0x35/0xe0
[ 62.657083] [<ffffffff8161bc5e>] neigh_resolve_output+0x11e/0x1e0
[ 62.657083] [<ffffffff816ce0e0>] ? ip6_fragment+0xad0/0xad0
[ 62.657083] [<ffffffff816cb465>] ip6_finish_output2+0x2f5/0x470
[ 62.657083] [<ffffffff816ce166>] ip6_finish_output+0x86/0xc0
[ 62.657083] [<ffffffff816ce218>] ip6_output+0x78/0xb0
[ 62.657083] [<ffffffff816eadd6>] mld_sendpack+0x256/0x2a0
[ 62.657083] [<ffffffff816ebd8c>] mld_ifc_timer_expire+0x17c/0x290
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff81051065>] call_timer_fn+0x45/0x150
[ 62.657083] [<ffffffff816ebc10>] ? igmp6_timer_handler+0x80/0x80
[ 62.657083] [<ffffffff81052353>] run_timer_softirq+0x1f3/0x2a0
[ 62.657083] [<ffffffff8102dfd8>] ? lapic_next_event+0x18/0x20
[ 62.657083] [<ffffffff8109e36f>] ? clockevents_program_event+0x6f/0x110
[ 62.657083] [<ffffffff8104a2f6>] __do_softirq+0xd6/0x2b0
[ 62.657083] [<ffffffff8104a75e>] irq_exit+0x7e/0xa0
[ 62.657083] [<ffffffff8102ea15>] smp_apic_timer_interrupt+0x45/0x60
[ 62.657083] [<ffffffff817d3eca>] apic_timer_interrupt+0x6a/0x70
[ 62.657083] <EOI>
[ 62.657083] [<ffffffff817d4a35>] ? sysenter_dispatch+0x7/0x1a
[ 62.657083] Code: 4d 8b 85 a8 02 00 00 4c 89 e9 ba 03 04 00 00 48 c7 c6 c0 be 8d 81 48 c7 c7 48 35 a3 81 31 c0 e8 db 68 0e 00 49 8b 85 a8 02 00 00 <0f> b6 40 46 c0 e8 05 0f b6 c0 c1 e0 03 41 09 c4 e9 77 ff ff ff
[ 62.657083] RIP [<ffffffff816d822d>] ip6_route_output+0xbd/0xe0
[ 62.657083] RSP <ffff88002fd038f8>
[ 62.657083] CR2: 0000000000000046
[ 62.657083] ---[ end trace ba8a9583d7cd1934 ]---
[ 62.657083] Kernel panic - not syncing: Fatal exception in interrupt
Signed-off-by: Fan Du <fan.du@windriver.com>
Reported-by: Ryan Whelan <rcwhelan@gmail.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 52367a763d8046190754ab43743e42638564a2d1
("cxgb4/cxgb4vf: Code cleanup to enable T4 Configuration File support"),
we have failures like this during cxgb4 probe:
cxgb4 0000:01:00.4: bad SGE FL page buffer sizes [65536, 65536]
cxgb4: probe of 0000:01:00.4 failed with error -22
This happens whenever software parameters are used, without a
configuration file. That happens when the hardware was already
initialized (after kexec, or after csiostor is loaded).
It happens that these values are acceptable, rendering fl_pg_order equal
to 0, which is the case of a hard init when the page size is equal or
larger than 65536.
Accepting fl_large_pg equal to fl_small_pg solves the issue, and
shouldn't cause any trouble besides a possible performance reduction
when smaller pages are used. And that can be fixed by a configuration
file.
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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During restoring, try_fill_recv() was called with neither napi lock nor napi
disabled. This can lead two try_fill_recv() was called in the same time. Fix
this by refilling before trying to enable napi.
Fixes 0741bcb5584f9e2390ae6261573c4de8314999f2
(virtio: net: Add freeze, restore handlers to support S4).
Cc: Amit Shah <amit.shah@redhat.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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