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As EBS does not mean anything reasonable in the context it is used, it
seems like a misspelling for EBX.
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (21 commits)
gitignore: fix wording
mfd: ab8500-debugfs: fix "between" in printk
memstick: trivial fix of spelling mistake on management
cpupowerutils: bench: fix "average"
treewide: Fix typos in printk
IB/mlx4: printk fix
pinctrl: sirf/atlas7: fix printk spelling
serial: mctrl_gpio: Grammar s/lines GPIOs/line GPIOs/, /sets/set/
w1: comment spelling s/minmum/minimum/
Blackfin: comment spelling s/divsor/divisor/
metag: Fix misspellings in comments.
ia64: Fix misspellings in comments.
hexagon: Fix misspellings in comments.
tools/perf: Fix misspellings in comments.
cris: Fix misspellings in comments.
c6x: Fix misspellings in comments.
blackfin: Fix misspelling of 'register' in comment.
avr32: Fix misspelling of 'definitions' in comment.
treewide: Fix typos in printk
Doc: treewide : Fix typos in DocBook/filesystem.xml
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This patch fix spelling typos found in printk
within various part of the kernel sources.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Pull networking updates from David Miller:
"Highlights:
1) Support SPI based w5100 devices, from Akinobu Mita.
2) Partial Segmentation Offload, from Alexander Duyck.
3) Add GMAC4 support to stmmac driver, from Alexandre TORGUE.
4) Allow cls_flower stats offload, from Amir Vadai.
5) Implement bpf blinding, from Daniel Borkmann.
6) Optimize _ASYNC_ bit twiddling on sockets, unless the socket is
actually using FASYNC these atomics are superfluous. From Eric
Dumazet.
7) Run TCP more preemptibly, also from Eric Dumazet.
8) Support LED blinking, EEPROM dumps, and rxvlan offloading in mlx5e
driver, from Gal Pressman.
9) Allow creating ppp devices via rtnetlink, from Guillaume Nault.
10) Improve BPF usage documentation, from Jesper Dangaard Brouer.
11) Support tunneling offloads in qed, from Manish Chopra.
12) aRFS offloading in mlx5e, from Maor Gottlieb.
13) Add RFS and RPS support to SCTP protocol, from Marcelo Ricardo
Leitner.
14) Add MSG_EOR support to TCP, this allows controlling packet
coalescing on application record boundaries for more accurate
socket timestamp sampling. From Martin KaFai Lau.
15) Fix alignment of 64-bit netlink attributes across the board, from
Nicolas Dichtel.
16) Per-vlan stats in bridging, from Nikolay Aleksandrov.
17) Several conversions of drivers to ethtool ksettings, from Philippe
Reynes.
18) Checksum neutral ILA in ipv6, from Tom Herbert.
19) Factorize all of the various marvell dsa drivers into one, from
Vivien Didelot
20) Add VF support to qed driver, from Yuval Mintz"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1649 commits)
Revert "phy dp83867: Fix compilation with CONFIG_OF_MDIO=m"
Revert "phy dp83867: Make rgmii parameters optional"
r8169: default to 64-bit DMA on recent PCIe chips
phy dp83867: Make rgmii parameters optional
phy dp83867: Fix compilation with CONFIG_OF_MDIO=m
bpf: arm64: remove callee-save registers use for tmp registers
asix: Fix offset calculation in asix_rx_fixup() causing slow transmissions
switchdev: pass pointer to fib_info instead of copy
net_sched: close another race condition in tcf_mirred_release()
tipc: fix nametable publication field in nl compat
drivers: net: Don't print unpopulated net_device name
qed: add support for dcbx.
ravb: Add missing free_irq() calls to ravb_close()
qed: Remove a stray tab
net: ethernet: fec-mpc52xx: use phy_ethtool_{get|set}_link_ksettings
net: ethernet: fec-mpc52xx: use phydev from struct net_device
bpf, doc: fix typo on bpf_asm descriptions
stmmac: hardware TX COE doesn't work when force_thresh_dma_mode is set
net: ethernet: fs-enet: use phy_ethtool_{get|set}_link_ksettings
net: ethernet: fs-enet: use phydev from struct net_device
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This patch adds recently added constant blinding helpers into the
x86 eBPF JIT. In the bpf_int_jit_compile() path, requirements are
to utilize bpf_jit_blind_constants()/bpf_jit_prog_release_other()
pair for rewriting the program into a blinded one, and to map the
BPF_REG_AX register to a CPU register. The mapping of BPF_REG_AX
is at non-callee saved register r10, and thus shared with cached
skb->data used for ld_abs/ind and not in every program type needed.
When blinding is not used, there's zero additional overhead in the
generated image.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the blinding is strictly only called from inside eBPF JITs,
we need to change signatures for bpf_int_jit_compile() and
bpf_prog_select_runtime() first in order to prepare that the
eBPF program we're dealing with can change underneath. Hence,
for call sites, we need to return the latest prog. No functional
change in this patch.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is never such a situation, where bpf_int_jit_compile() is
called with either prog as NULL or len as 0, so the tests are
unnecessary and confusing as people would just copy them. s390
doesn't have them, so no change is needed there.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Split the HAVE_BPF_JIT into two for distinguishing cBPF and eBPF JITs.
Current cBPF ones:
# git grep -n HAVE_CBPF_JIT arch/
arch/arm/Kconfig:44: select HAVE_CBPF_JIT
arch/mips/Kconfig:18: select HAVE_CBPF_JIT if !CPU_MICROMIPS
arch/powerpc/Kconfig:129: select HAVE_CBPF_JIT
arch/sparc/Kconfig:35: select HAVE_CBPF_JIT
Current eBPF ones:
# git grep -n HAVE_EBPF_JIT arch/
arch/arm64/Kconfig:61: select HAVE_EBPF_JIT
arch/s390/Kconfig:126: select HAVE_EBPF_JIT if PACK_STACK && HAVE_MARCH_Z196_FEATURES
arch/x86/Kconfig:94: select HAVE_EBPF_JIT if X86_64
Later code also needs this facility to check for eBPF JITs.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"The new features here are ACPI 6.1 support (and some previously
missing bits of ACPI 6.0 support) in ACPICA and two new drivers, a
driver for the ACPI Generic Event Device (GED) feature introduced by
ACPI 6.1 and the INT3406 thermal driver for display thermal
management. Also the value returned by the _HRV (hardware revision)
ACPI object will be exported to user space via sysfs now.
In addition to that, ACPI on ARM64 will not depend on EXPERT any more.
The rest is mostly fixes and cleanups and some code reorganization.
Specifics:
- In-kernel ACPICA code update to the upstream release 20160422
adding support for ACPI 6.1 along with some previously missing bits
of ACPI 6.0 support, making a fair amount of fixes and cleanups and
reducing divergences between the upstream ACPICA and the in-kernel
code (Bob Moore, Lv Zheng, Al Stone, Aleksey Makarov, Will Miles)
- ACPI Generic Event Device (GED) support and a fix for it (Sinan
Kaya, Paul Gortmaker)
- INT3406 thermal driver for display thermal management and ACPI
backlight support code reorganization related to it (Aaron Lu, Arnd
Bergmann)
- Support for exporting the value returned by the _HRV (hardware
revision) ACPI object via sysfs (Betty Dall)
- Removal of the EXPERT dependency for ACPI on ARM64 (Mark Brown)
- Rework of the handling of ACPI _OSI mechanism allowing the
_OSI("Darwin") support to be overridden from the kernel command
line among other things (Lv Zheng, Chen Yu)
- Rework of the ACPI tables override mechanism to prepare it for the
introduction of overlays support going forward (Lv Zheng, Rafael
Wysocki)
- Fixes related to the ECDT support and module-level execution of AML
(Lv Zheng)
- ACPI PCI interrupts management update to make it work better on
ARM64 mostly (Sinan Kaya)
- ACPI SRAT handling update to make the code process all entires in
the table order regardless of the entry type (Lukasz Anaczkowski)
- EFI power off support for full-hardware ACPI platforms that don't
support ACPI S5 (Chen Yu)
- Fixes and cleanups related to the ACPI core's sysfs interface (Dan
Carpenter, Betty Dall)
- acpi_dev_present() API rework to reduce possible confusion related
to it (Lukas Wunner)
- Removal of CLK_IS_ROOT from two ACPI drivers (Stephen Boyd)"
* tag 'acpi-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (82 commits)
ACPI / video: mark acpi_video_get_levels() inline
Thermal / ACPI / video: add INT3406 thermal driver
ACPI / GED: make evged.c explicitly non-modular
ACPI / tables: Fix DSDT override mechanism
ACPI / sysfs: fix error code in get_status()
ACPICA: Update version to 20160422
ACPICA: Move all ASCII utilities to a common file
ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support for acpi_hw_write()
ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support in acpi_hw_read()
ACPICA: Executer: Introduce a set of macros to handle bit width mask generation
ACPICA: Hardware: Add optimized access bit width support
ACPICA: Utilities: Add ACPI_IS_ALIGNED() macro
ACPICA: Renamed some #defined flag constants for clarity
ACPICA: ACPI 6.0, tools/iasl: Add support for new resource descriptors
ACPICA: ACPI 6.0: Update _BIX support for new package element
ACPICA: ACPI 6.1: Support for new PCCT subtable
ACPICA: Refactor evaluate_object to reduce nesting
ACPICA: Divergence: remove unwanted spaces for typedef
ACPI,PCI,IRQ: remove SCI penalize function
ACPI,PCI,IRQ: remove redundant code in acpi_irq_penalty_init()
..
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* acpi-pci:
ACPI,PCI,IRQ: remove SCI penalize function
ACPI,PCI,IRQ: remove redundant code in acpi_irq_penalty_init()
ACPI,PCI,IRQ: reduce static IRQ array size to 16
ACPI,PCI,IRQ: reduce resource requirements
* acpi-misc:
ACPI / sysfs: fix error code in get_status()
ACPI / device_sysfs: Clean up checkpatch errors
ACPI / device_sysfs: Change _SUN and _STA show functions error return to EIO
ACPI / device_sysfs: Add sysfs support for _HRV hardware revision
arm64: defconfig: Enable ACPI
ACPI / ARM64: Remove EXPERT dependency for ACPI on ARM64
ACPI / ARM64: Don't enable ACPI by default on ARM64
acer-wmi: Use acpi_dev_found()
eeepc-wmi: Use acpi_dev_found()
ACPI / utils: Rename acpi_dev_present()
* acpi-tools:
tools/power/acpi: close file only if it is open
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Removing the SCI penalize function as the penalty is now calculated on the
fly.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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acpi_irq_get_penalty is now calculating the penalty on the fly now.
No need to maintain global list of penalties or calculate them
at the init time. Removing duplicate code in acpi_irq_penalty_init.
Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-numa:
ACPI / SRAT: fix SRAT parsing order with both LAPIC and X2APIC present
* acpi-tables:
ACPI / tables: Fix DSDT override mechanism
ACPI / tables: Convert initrd table override to table upgrade mechanism
ACPI / x86: Cleanup initrd related code
ACPI / tables: Move table override mechanisms to tables.c
* acpi-osi:
ACPI / osi: Collect _OSI handling into one single file
ACPI / osi: Cleanup coding style issues before creating a separate OSI source file
ACPI / osi: Cleanup OSI handling code to use bool
ACPI / osi: Fix default _OSI(Darwin) support
ACPI / osi: Add acpi_osi=!! to allow reverting acpi_osi=!
ACPI / osi: Cleanup _OSI("Linux") related code before introducing new support
ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings
Conflicts:
drivers/acpi/internal.h
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In arch/x86/kernel/setup.c, the #ifdef kept for CONFIG_ACPI actually is
related to the accessibility of initrd_start/initrd_end, so the stub should
be provided from this source file and should only be dependent on
CONFIG_BLK_DEV_INITRD.
Note that when ACPI=n and BLK_DEV_INITRD=y, early_initrd_acpi_init() is
still a stub because of the stub prepared for early_acpi_table_init().
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch moves acpi_os_table_override() and
acpi_os_physical_table_override() to tables.c.
Along with the mechanisms, acpi_initrd_initialize_tables() is also moved to
tables.c to form a static function. The following functions are renamed
according to this change:
1. acpi_initrd_override() -> renamed to early_acpi_table_init(), which
invokes acpi_table_initrd_init()
2. acpi_os_physical_table_override() -> which invokes
acpi_table_initrd_override()
3. acpi_initialize_initrd_tables() -> renamed to acpi_table_initrd_scan()
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-drivers:
ACPI / GED: make evged.c explicitly non-modular
ACPI / amba: Remove CLK_IS_ROOT
ACPI / APD: Remove CLK_IS_ROOT
ACPI: implement Generic Event Device
* acpi-pm:
ACPI / PM: Introduce efi poweroff for HW-full platforms without _S5
* acpi-ec:
ACPI 2.0 / AML: Improve module level execution by moving the If/Else/While execution to per-table basis
ACPI 2.0 / ECDT: Enable correct ECDT initialization order
ACPI 2.0 / ECDT: Remove early namespace reference from EC
ACPI 2.0 / ECDT: Split EC_FLAGS_HANDLERS_INSTALLED
* acpi-video:
ACPI / video: mark acpi_video_get_levels() inline
Thermal / ACPI / video: add INT3406 thermal driver
ACPI/video: export acpi_video_get_levels
video / backlight: remove the backlight_device_registered API
video / backlight: add two APIs for drivers to use
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The problem is Linux registers pm_power_off = efi_power_off only if
we are in hardware reduced mode. Actually, what we also want is to do
this when ACPI S5 is simply not supported on non-legacy platforms.
Since some future Intel platforms are HW-full mode where the DSDT
fails to supply an _S5 object(without SLP_TYP), we should let such
kind of platform to leverage efi runtime service to poweroff.
This patch uses efi power off as first choice when S5 is unavailable,
even if there is a customized poweroff(driver provided, eg).
Meanwhile, the legacy platforms will not be affected because there is
no path for them to overwrite the pm_power_off to efi power off.
Suggested-by: Len Brown <len.brown@intel.com>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Chen Yu <yu.c.chen@intel.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/tip/tip
Pull x86 platform updates from Ingo Molnar:
"The main change is the addition of SGI/UV4 support"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/platform/UV: Fix incorrect nodes and pnodes for cpuless and memoryless nodes
x86/platform/UV: Remove Obsolete GRU MMR address translation
x86/platform/UV: Update physical address conversions for UV4
x86/platform/UV: Build GAM reference tables
x86/platform/UV: Support UV4 socket address changes
x86/platform/UV: Add obtaining GAM Range Table from UV BIOS
x86/platform/UV: Add UV4 addressing discovery function
x86/platform/UV: Fold blade info into per node hub info structs
x86/platform/UV: Allocate common per node hub info structs on local node
x86/platform/UV: Move blade local processor ID to the per cpu info struct
x86/platform/UV: Move scir info to the per cpu info struct
x86/platform/UV: Create per cpu info structs to replace per hub info structs
x86/platform/UV: Update MMIOH setup function to work for both UV3 and UV4
x86/platform/UV: Clean up redunduncies after merge of UV4 MMR definitions
x86/platform/UV: Add UV4 Specific MMR definitions
x86/platform/UV: Prep for UV4 MMR updates
x86/platform/UV: Add UV MMR Illegal Access Function
x86/platform/UV: Add UV4 Specific Defines
x86/platform/UV: Add UV Architecture Defines
x86/platform/UV: Add Initial UV4 definitions
...
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Conflicts:
arch/x86/kernel/apic/x2apic_uv_x.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch fixes the problem of incorrect nodes and pnodes being returned
when referring to nodes that either have no cpus (AKA "headless") or no
memory.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215406.192644884@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Use no-op messages in place of cross-partition interrupts when nacking a
put message in the GRU. This allows us to remove MMR's as a destination
from the GRU driver.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Dimitri Sivanich <sivanich@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215406.012228480@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This patch builds support for the new conversions of physical addresses
to and from sockets, pnodes and nodes in UV4. It is designed to be as
efficient as possible as lookups are done inside an interrupt context
in some cases. It will be further optimized when physical hardware is
available to measure execution time.
Tested-by: Dimitri Sivanich <sivanich@sgi.com>
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215405.841051741@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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An aspect of the UV4 system architecture changes involve changing the
way sockets, nodes, and pnodes are translated between one another.
Decode the information from the BIOS provided EFI system table to build
the needed conversion tables.
Tested-by: Dimitri Sivanich <sivanich@sgi.com>
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215405.673495324@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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With the UV4 system architecture addressing changes, BIOS now provides
this information via an EFI system table. This is the initial decoding
of that system table. It also collects the sizing information for
later allocation of dynamic conversion tables.
Tested-by: Dimitri Sivanich <sivanich@sgi.com>
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215405.503022681@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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UV4 uses a GAM (globally addressed memory) architecture that supports
variable sized memory per node. This replaces the old "M" value (number
of address bits per node) with a range table for conversions between
addresses and physical node (pnode) id's. This table is obtained from UV
BIOS via the EFI UVsystab table. Support for older EFI UVsystab tables
is maintained.
Tested-by: Dimitri Sivanich <sivanich@sgi.com>
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215405.329827545@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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UV4 requires early system wide addressing values. This involves the use
of the CPUID instruction to obtain these values. The current function
(detect_extended_topology()) in the kernel has been copied and streamlined,
with the limitation that only CPU's used by UV architectures are supported.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215405.155660884@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Migrate references from the blade info structs to the per node hub info
structs. This phases out the allocation of the list of per blade info
structs on node 0, in favor of a per node hub info struct allocated on
the node's local memory.
There are also some minor cosemetic changes in the comments and whitespace
to clean things up a bit.
Tested-by: Dimitri Sivanich <sivanich@sgi.com>
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.987204515@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Allocate and setup per node hub info structs. CPU 0/Node 0 hub info
is statically allocated to be accessible early in system startup. The
remaining hub info structs are allocated on the node's local memory,
and shared among the CPU's on that node. This leaves the small amount
of info unique to each CPU in the per CPU info struct.
Memory is saved by combining the common per node info fields to common
node local structs. In addtion, since the info is read only only after
setup, it should stay in the L3 cache of the local processor socket.
This should therefore improve the cache hit rate when a group of cpus
on a node are all interrupted for a common task.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Reviewed-by: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.813051625@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Move references to blade local processor ID to the new per cpu info
structs. Create an access function that makes this move, and other
potential moves opaque to callers of this function. Define a flag
that indicates to callers in external GPL modules that this function
replaces any local definition. This allows calling source code to be
built for both pre-UV4 kernels as well as post-UV4 kernels.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.644173122@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Change the references to the SCIR fields to the new per cpu info structs.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.452538234@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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The major portion of the hub info is common to all cpus on that hub.
This is step one of moving the per cpu hub info to a per node hub info
struct. This patch creates the small per cpu info struct that will
contain only information specific to each CPU.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.282265563@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Since UV3 and UV4 MMIOH regions are setup the same, we can use a common
function to setup both.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215404.100504077@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Clean up any redundancies caused by new UV4 MMR definitions superseding
any previously definitions local to functions.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Reviewed-by: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.934728974@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This adds the MMR definitions for UV4 via an automated script that uses
the output from a hardware verilog code to symbol converter. The large
number of insertions is caused by the UV4 design changing many similarly
named fields in MMR's that are named the same. This prompted the extra
production of architecture dependent field defines.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.580158916@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Cleanup patch to rearrange code and modify some defines so the next
patch, the new UV4 MMR definitions can be merged cleanly.
* Clean up the M/N related address constants (M is # of address bits per
blade, N is the # of blade selection bits per SSI/partition).
* Fix the lookup of the alias overlay addresses and NMI definitions to
allow for flexibility in newer UV architecture types.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.401604203@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This new function is generated by the UV MMR generation script to
identify MMR registers and fields that are not defined for a specific
UV architecture. With this switch, the immediate panic can be replaced
with a message and a bad return value allowing either hardware or the
emulator to diagnose the problem. It allows functions common to some
UV arches to use common defines that might not be fully defined for all
arches, as long as they do not reference them on the unsupported arches.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.231926687@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Add UV4 specific defines to determine if current system type is a
UV4 system.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215403.072323684@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Add defines to control which UV architectures are supported, and modify the
'if (is_uvX_*)' functions to return constant 0 for those not supported.
This will help optimize code paths when support for specific UV arches
is removed.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Reviewed-by: Dimitri Sivanich <sivanich@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215402.897143440@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Add preliminary UV4 defines.
Tested-by: John Estabrook <estabrook@sgi.com>
Tested-by: Gary Kroening <gfk@sgi.com>
Tested-by: Nathan Zimmer <nzimmer@sgi.com>
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: Andrew Banman <abanman@sgi.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Dimitri Sivanich <sivanich@sgi.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Len Brown <len.brown@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russ Anderson <rja@sgi.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160429215402.703593187@asylum.americas.sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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get_bios_ebda_length() uses min_t() without including linux/kernel.h.
This may result in build errors with some configurations. Since the
function is not used anywhere in the kernel, let's just drop it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Waychison <mikew@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459558314-5625-1-git-send-email-linux@roeck-us.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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For several years, the common practice has been to boot UVs with the
"nobau" parameter on the command line, to disable the BAU. We've
decided that it makes more sense to just disable the BAU by default in
the kernel, and provide the option to turn it on, if desired.
For now, having the on/off switch doesn't buy us any more than just
reversing the logic would, but we're working towards having the BAU
enabled by default on UV4. When those changes are in place, having the
on/off switch will make more sense than an enable flag, since the
default behavior will be different depending on the system version.
I've also added a bit of documentation for the new parameter to
Documentation/kernel-parameters.txt.
Signed-off-by: Alex Thorlton <athorlton@sgi.com>
Reviewed-by: Hedi Berriche <hedi@sgi.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459451909-121845-1-git-send-email-athorlton@sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 debug cleanup from Ingo Molnar:
"A printk() output simplification"
* 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/dumpstack: Combine some printk()s
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Long ago, Jiri Slaby noted that the subsequent printk()s should be
pr_cont(). Let's instead get rid of the multiple printk calls.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459024817-27122-1-git-send-email-linux@rasmusvillemoes.dk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanup from Ingo Molnar:
"Inline optimizations"
* 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86: Fix non-static inlines
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Four instances of incorrect usage of non-static "inline" crept up
in arch/x86, all trivial; cleaning them up:
EVT_TO_HPET_DEV() - made static, it is only used in kernel/hpet.c
Debug version of check_iommu_entries() is an __init function.
Non-debug dummy empty version of it is declared "inline" instead -
which doesn't help to eliminate it (the caller is in a different unit,
inlining doesn't happen).
Switch to non-inlined __init function, which does eliminate it
(by discarding it as part of __init section).
crypto/sha-mb/sha1_mb.c: looks like they just forgot to add "static"
to their two internal inlines, which emitted two unused functions into
vmlinux.
text data bss dec hex filename
95903394 20860288 35991552 152755234 91adc22 vmlinux_before
95903266 20860288 35991552 152755106 91adba2 vmlinux
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/1460739626-12179-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86-64 defconfig update from Ingo Molnar:
"Small defconfig addition"
[ I'm not actually convinced our defconfig is sensible, but whatever ]
* 'x86-build-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/build/defconfig/64: Enable CONFIG_E1000E=y
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Very common ethernet. Already enabled in i386_defconfig
Signed-off-by: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/146105407523.18740.6392078851674393377.stgit@zurg
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot updates from Ingo Molnar:
"The biggest changes in this cycle were:
- prepare for more KASLR related changes, by restructuring, cleaning
up and fixing the existing boot code. (Kees Cook, Baoquan He,
Yinghai Lu)
- simplifly/concentrate subarch handling code, eliminate
paravirt_enabled() usage. (Luis R Rodriguez)"
* 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
x86/KASLR: Clarify purpose of each get_random_long()
x86/KASLR: Add virtual address choosing function
x86/KASLR: Return earliest overlap when avoiding regions
x86/KASLR: Add 'struct slot_area' to manage random_addr slots
x86/boot: Add missing file header comments
x86/KASLR: Initialize mapping_info every time
x86/boot: Comment what finalize_identity_maps() does
x86/KASLR: Build identity mappings on demand
x86/boot: Split out kernel_ident_mapping_init()
x86/boot: Clean up indenting for asm/boot.h
x86/KASLR: Improve comments around the mem_avoid[] logic
x86/boot: Simplify pointer casting in choose_random_location()
x86/KASLR: Consolidate mem_avoid[] entries
x86/boot: Clean up pointer casting
x86/boot: Warn on future overlapping memcpy() use
x86/boot: Extract error reporting functions
x86/boot: Correctly bounds-check relocations
x86/KASLR: Clean up unused code from old 'run_size' and rename it to 'kernel_total_size'
x86/boot: Fix "run_size" calculation
x86/boot: Calculate decompression size during boot not build
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KASLR will be calling get_random_long() twice, but the debug output
won't distinguishing between them. This patch adds a report on when it
is fetching the physical vs virtual address. With this, once the virtual
offset is separate, the report changes from:
KASLR using RDTSC...
KASLR using RDTSC...
into:
Physical KASLR using RDTSC...
Virtual KASLR using RDTSC...
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Baoquan He <bhe@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Borislav Petkov <bp@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vivek Goyal <vgoyal@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: kernel-hardening@lists.openwall.com
Cc: lasse.collin@tukaani.org
Link: http://lkml.kernel.org/r/1462825332-10505-7-git-send-email-keescook@chromium.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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