| Commit message (Collapse) | Author | Age |
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: "James E.J. Bottomley" <jejb@parisc-linux.org>
CC: Helge Deller <deller@gmx.de>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Ralf Baechle <ralf@linux-mips.org>
CC: Jiri Kosina <jkosina@suse.cz>
CC: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Ben Dooks <ben-linux@fluff.org>
CC: Kukjin Kim <kgene.kim@samsung.com>
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The CONFIG_EXPERIMENTAL config item has not carried much meaning for a
while now and is almost always enabled by default. As agreed during the
Linux kernel summit, remove it from any "depends on" lines in Kconfigs.
CC: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is to fix up a build problem with a wireless driver due to the
dynamic-debug patches in this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull more s390 patches from Martin Schwidefsky:
"A couple of bug fixes: one of the transparent huge page primitives is
broken, the sched_clock function overflows after 417 days, the XFS
module has grown too large for -fpic and the new pci code has broken
normal channel subsystem notifications."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/chsc: fix SEI usage
s390/time: fix sched_clock() overflow
s390: use -fPIC for module compile
s390/mm: fix pmd_pfn() for thp
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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.
When used within sched_clock() this triggers an overflow after appr.
417 days. Resulting in a sched_clock() return value that is much smaller
than previously and therefore may cause all sort of weird things in
subsystems that rely on a monotonic sched_clock() behaviour.
To fix this implement a tod_to_ns() helper function which converts TOD
values without overflow and call this function from both places that
open coded the conversion: sched_clock() and kvm_s390_handle_wait().
Cc: stable@kernel.org
Reviewed-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The xfs module uses a lot of tracepoint, with TRACEPOINTS=y and a
few debugging options the GOT table of the xfs module will get
bigger than 4K. To get a working xfs module it needs to be compiled
with -fPIC instead of -fpic. To play safe use -fPIC for all modules.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The pfn calculation in pmd_pfn() is broken for thp, because it uses
HPAGE_SHIFT instead of the normal PAGE_SHIFT. This is fixed by removing
the distinction between thp and normal pmds in that function, and always
using PAGE_SHIFT.
Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull second round of sound fixes from Takashi Iwai:
"Yet a few more fixes popped up in this week.
The biggest change here is the addition of pinctrl support for Atmel,
which turned out to be almost mandatory to make things working.
The rest are a few fixes for M-Audio usb-audio device and a fix for
regression of HD-audio HDMI codecs with alsactl in the recent kernel."
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi - Work around "alsactl restore" errors
ALSA: usb-audio: selector map for M-Audio FT C400
ALSA: usb-audio: M-Audio FT C400 skip packet quirk
ALSA: usb-audio: correct M-Audio C400 clock source quirk
ALSA: usb - fix race in creation of M-Audio Fast track pro driver
ASoC: atmel-ssc: add pinctrl selection to driver
ARM: at91/dts: add pinctrl support for SSC peripheral
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: atmel: Fixes for pinctrl
Due to a series of problems with the handling of Atmel, a combination of
making changes that make other branches instantly buggy and a general
failure to deal with the resulting issues effectively, v3.8 Atmel audio
currently won't work at all for DT boards without adding pinctrl
definitions and a request for those.
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Add pinctrl support for SSC on AT91 dtsi files.
Signed-off-by: Bo Shen <voice.shen@atmel.com>
[nicolas.ferre@atmel.com: split dtsi and driver changes]
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Reluctantly-acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Pull s390 KVM fix from Gleb Natapov.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
s390/kvm: Fix BUG in include/linux/kvm_host.h:745
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commit b080935c8638e08134629d0a9ebdf35669bec14d
kvm: Directly account vtime to system on guest switch
also removed the irq_disable/enable around kvm guest switch, which
is correct in itself. Unfortunately, there is a BUG ON that (correctly)
checks for preemptible to cover the call to rcu later on.
(Introduced with commit 8fa2206821953a50a3a02ea33fcfb3ced2fd9997
KVM: make guest mode entry to be rcu quiescent state)
This check might trigger depending on the kernel config.
Lets make sure that no preemption happens during kvm_guest_enter.
We can enable preemption again after the call to
rcu_virt_note_context_switch returns.
Please note that we continue to run s390 guests with interrupts
enabled.
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
CC: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: ecovec: add sample amixer settings
sh: Fix up stack debugging build.
sh: wire up finit_module syscall.
sh: Fix FDPIC binary loader
sh: clkfwk: bugfix: sh_clk_div_enable() care sh_clk_div_set_rate() if div6
sh: define TASK_UNMAPPED_BASE as a page aligned constant
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FSI - DA7210 needs amixer settings to use it.
This patch adds quick setting guide
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Somewhere along the line the ebss label was taken out, resulting in pcrel
branch too far errors. Restore the label to get things building again.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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Ensure that the aux table is properly initialized, even when optional features
are missing. Without this, the FDPIC loader did not work. This was meant to
be included in commit d5ab780305bb6d60a7b5a74f18cf84eb6ad153b1.
Signed-off-by: Thomas Schwinge <thomas@codesourcery.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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b4265f12340f809447b9a48055e88c444b480c89
(mm: use vm_unmapped_area() on sh architecture)
broke sh boot. This patch define TASK_UNMAPPED_BASE
as a page aligned constant to solve this issue.
Special thanks to Michel
Acked-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull arm64 fixes from Catalin Marinas:
- Page protection fixes, including proper PAGE_NONE handling
- Timezone vdso sequence counting fix
- Additional compat syscall wiring
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
arm64: compat: add syscall table entries for new syscalls
arm64: mm: introduce present, faulting entries for PAGE_NONE
arm64: mm: only wrprotect clean ptes if they are present
arm64: vdso: remove broken, redundant sequence counting for timezones
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There have been a number of new syscalls introduced to arch/arm/ since
the compat layer was implemented for arm64, so add pointers to the
relevant functions to the compat syscall table.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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This is mostly a port of dbf62d50067e ("ARM: mm: introduce L_PTE_VALID
for page table entries") and 26ffd0d43b18 ("ARM: mm: introduce present,
faulting entries for PAGE_NONE") from ARM, which makes use of present,
faulting page table entries for page table entries mapped as PROT_NONE.
The main difference with this implementation is that we can make use of
the two pte type bits in order to avoid allocating a software bit for
identifying PROT_NONE pages, instead reserving the 10b suffix for these
types of mappings.
This is required to prevent users from accessing such pages via syscalls
such as read/write over a pipe.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Marking non-present ptes as read-only can corrupt file ptes, breaking
things like swap and file mappings.
This patch ensures that we only manipulate user pte bits when the pte
is marked present.
Cc: <stable@vger.kernel.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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This patch is an arm64 version of ce73ec6db47a ("powerpc/vdso: Remove
redundant locking in update_vsyscall_tz()").
Timezone data is not protected, so the sequence counter is not required
to ensure consistency. Furthermore, having multiple paths updating the
counter leads to a race between update_vsyscall and update_vsyscall_tz,
so remove the timezone sequence counting from both the kernel and the
vdso.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
"This is mainly a workaround for a bug in Sandy Bridge graphics which
causes corruption of certain memory pages."
* 'x86/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/Sandy Bridge: Sandy Bridge workaround depends on CONFIG_PCI
x86/Sandy Bridge: mark arrays in __init functions as __initconst
x86/Sandy Bridge: reserve pages when integrated graphics is present
x86, efi: correct precedence of operators in setup_efi_pci
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early_pci_allowed() and read_pci_config_16() are only available if
CONFIG_PCI is defined.
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
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Mark static arrays as __initconst so they get removed when the init
sections are flushed.
Reported-by: Mathias Krause <minipli@googlemail.com>
Link: http://lkml.kernel.org/r/75F4BEE6-CB0E-4426-B40B-697451677738@googlemail.com
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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SNB graphics devices have a bug that prevent them from accessing certain
memory ranges, namely anything below 1M and in the pages listed in the
table. So reserve those at boot if set detect a SNB gfx device on the
CPU to avoid GPU hangs.
Stephane Marchesin had a similar patch to the page allocator awhile
back, but rather than reserving pages up front, it leaked them at
allocation time.
[ hpa: made a number of stylistic changes, marked arrays as static
const, and made less verbose; use "memblock=debug" for full
verbosity. ]
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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With the current code, the condition in the if() doesn't make much sense due to
precedence of operators.
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Link: http://lkml.kernel.org/r/1356030701-16284-25-git-send-email-sasha.levin@oracle.com
Cc: Matt Fleming <matt.fleming@intel.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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Pull devicetree fixes from Rob Herring:
"Two fixes to prevent unconditional re-compile of dts files on arm and
arm64."
* tag 'dt-fixes-for-3.8' of git://sources.calxeda.com/kernel/linux:
ARM: dts: prevent *.dtb from always being rebuilt
arm64: dts: prevent *.dtb from always being rebuilt
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if_changed (used by the *.dts->*.dtc rule) rebuilds files if they aren't
contained in $(targets). (make V=2 indicates this). Add $(dtb-y) to
$(targets) to prevent *.dtb from always being rebuilt.
This fixes a regression introduced by the .dtb rule rework in 499cd82
"ARM: dt: change .dtb build rules to build in dts directory".
Reported-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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if_changed (used by the *.dts->*.dtc rule) rebuilds files if they aren't
contained in $(targets). (make V=2 indicates this). Add $(dtb-y) to
$(targets) to prevent *.dtb from always being rebuilt. Note
This fixes a regression introduced by the .dtb rule rework in da4cbc6
"arm64: use new common dtc rule", although since arm64 doesn't actually
have any *.dts yet, this isn't a critical issue.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Most of commits found here are for ASoC device specific fixes,
arizona, cs4271, wm5102, wm2200, etc, in addition to a couple of
memory leak fixes in ASoC core.
Other than that, regression fixes in HD-audio and USB-audio, and a fix
for new Realtek codecs."
* tag 'sound-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (30 commits)
ALSA: usb-audio: Fix NULL dereference by access to non-existing substream
ALSA: hda - Add support of new codec ALC284
ALSA: usb-audio: Make ebox44_table static
ALSA: hdspm - Fix wordclock status on AES32
Revert "ALSA: hda - Shut up pins at power-saving mode with Conexnat codecs"
ALSA: hda - Disable runtime D3 for Intel CPT & co
ALSA: pxa27x: fix ac97 warm reset
ALSA: pxa27x: fix ac97 cold reset
ASoC: wm_adsp: Ensure that block writes are from DMA aligned addresses
ASoC: wm2000: Fix sense of speech clarity enable
ASoC: wm5100: Remove DSP B and left justified formats
ASoC: arizona: Remove DSP B and left justified AIF modes
ASoC: wm2200: Remove DSP B and left justified AIF modes
ASoC: wm5102: Improve speaker enable performance
ASoC: core: fix the memory leak in case of remove_aux_dev()
ASoC: core: fix the memory leak in case of device_add() failure
ASoC: cs42l52: Catch no-match case in cs42l52_get_clk
ASoC: lm49453: Update lm49453_reg_defs values as per LM49453 HW revision-B
ASoC: lm49453: Fix adc, mic and sidetone volume ranges
ASoC: arizona: Correct FLL source definitions
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This patch fixes some code that implements a work-around to a hardware bug in
the ac97 controller on the pxa27x. A bug in the controller's warm reset
functionality requires that the mfp used by the controller as the AC97_nRESET
line be temporarily reconfigured as a generic output gpio (AF0) and manually
held high for the duration of the warm reset cycle. This is what was done in
the original code, but it was broken long ago by commit fb1bf8cd
([ARM] pxa: introduce processor specific pxa27x_assert_ac97reset())
which changed the mfp to a GPIO input instead of a high output.
The fix requires the ac97 controller to obtain the gpio via gpio_request_one(),
with arguments that configure the gpio as an output initially driven high.
Tested on a palm treo 680 machine. Reportedly, this broken code only prevents a
warm reset on hardware that lacks a pull-up on the line, which appears to be the
case for me.
Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
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Pull sparc updates from David Miller:
1) Add finit_module syscall entry.
2) Remove stray __dev{init,exit} references, from Sam Ravnborg.
Fix up conflicts in the sparc PCI code due to whitespace differences in
the __dev{init,exit} removal (which also came in through Greg).
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc: remove __devinit, __devexit annotations
sparc: Hook up finit_module syscall.
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__devinit, __devexit annotations are nops - so drop them.
Likewise for __devexit_p.
Adjusted alignment of arguments when needed.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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mn10300 doesn't provide its own atomic64 implementation, so it should pull
in the generic one.
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull KVM bugfixes from Marcelo Tosatti.
* git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: use dynamic percpu allocations for shared msrs area
KVM: PPC: Book3S HV: Fix compilation without CONFIG_PPC_POWERNV
powerpc: Corrected include header path in kvm_para.h
Add rcu user eqs exception hooks for async page fault
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Use dynamic percpu allocations for the shared msrs structure,
to avoid using the limited reserved percpu space.
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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This patch adds user eqs exception hooks for async page fault page not
present code path, to exit the user eqs and re-enter it as necessary.
Async page fault is different from other exceptions that it may be
triggered from idle process, so we still need rcu_irq_enter() and
rcu_irq_exit() to exit cpu idle eqs when needed, to protect the code
that needs use rcu.
As Frederic pointed out it would be safest and simplest to protect the
whole kvm_async_pf_task_wait(). Otherwise, "we need to check all the
code there deeply for potential RCU uses and ensure it will never be
extended later to use RCU.".
However, We'd better re-enter the cpu idle eqs if we get the exception
in cpu idle eqs, by calling rcu_irq_exit() before native_safe_halt().
So the patch does what Frederic suggested for rcu_irq_*() API usage
here, except that I moved the rcu_irq_*() pair originally in
do_async_page_fault() into kvm_async_pf_task_wait().
That's because, I think it's better to have rcu_irq_*() pairs to be in
one function ( rcu_irq_exit() after rcu_irq_enter() ), especially here,
kvm_async_pf_task_wait() has other callers, which might cause
rcu_irq_exit() be called without a matching rcu_irq_enter() before it,
which is illegal if the cpu happens to be in rcu idle state.
Signed-off-by: Li Zhong <zhong@linux.vnet.ibm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
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Fixes this build breakage:
arch/powerpc/kvm/book3s_hv_ras.c: In function ‘kvmppc_realmode_mc_power7’:
arch/powerpc/kvm/book3s_hv_ras.c:126:23: error: ‘struct paca_struct’ has no member named ‘opal_mc_evt’
Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
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The include/uapi/asm/kvm_para.h includes
<include/uapi/asm/epapr_hcalls.h> but the correct reference
should be <include/asm/epapr_hcalls.h> as this is the place
where make install_header installs the header files for
userspace.
Signed-off-by: Bharat Bhushan <bharat.bhushan@freescale.com>
CC: stable@vger.kernel.org
Signed-off-by: Alexander Graf <agraf@suse.de>
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