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Only linux/nfsd/syscall.h is actually used. Remove the
other nfsd #includes, so they can be moved to source
directory.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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In what history where these ever needed? Well not
any more.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Some un-used includes removed.
This patch is in an effort to cleanup nfsd headers and move
private definitions to source directory.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Some un-used includes removed.
In an effort to cleanup nfsd headers and move private
definitions to source directory.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Some un-used includes removed.
This patch is in an effort to cleanup nfsd headers and move
private definitions to source directory.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Tested-by: Grant Grundler <grundler@parisc-linux.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Two nfsd related headers where included but never actually
used. The linux/nfsd/nfsd.h file will eventually be moved
to fs/nfsd directory as it is only needed by nfsd itself.
There are 3 more compat.c files in the Kernel at other ARCHs
that wrongly #include nfsd headers. Once these are fixed the
headers can be moved.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Now that the headers are fixed and carry their own wait, all fs/nfsd/
source files can include a minimal set of headers. and still compile just
fine.
This patch should improve the compilation speed of the nfsd module.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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* Add includes that are directly used by headers
* Remove includes that are not needed
These are the changes made:
[xdr.h]
struct nfsd_readdirres has an embedded struct readdir_cd from nfsd.h
fixing that we can drop other includes
[xdr4.h]
embedded types defined both at state.h and nfsd.h
[syscall.h]
After export.h fix none of these stuff is needed.
fix extra space in # include <> statement
[stats.h]
does not need <linux/nfs4.h> but was export to user-mode
so I don't touch it
[state.h]
embedded types from nfsfh.h like struct knfsd_fh. bringing that
eliminates the need for all other includes
[nfsfh.h]
directly manipulating types from sunrpc/svc.h.
Removed Other unused headers.
[nfsd.h]
removed unused headers include
[export.h]
lots of sunrpc/svc.h types and a single prototype declaration
with pointer from nfsfh.h, but all users of export.h do need
nfsfh.h any way. remove now un-needed include.
[const.h]
Unfixed (not independent)
[cache.h]
could do with a forward declaration of "struct svc_rqst;"
from sunrpc/svc.h but all users absolutely will need
sunrpc/svc.h it is easier overall this way.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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An header should be compilation independent, .i.e pull in
any header who's declarations are directly used by this header.
And not let users re-include all it's dependencies all over
again.
[At the end of the day what's the use of a header if it does
not have more then one user?]
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Remove include of two headers never used by this file.
Doing so exposed a missing #include <linux/types.h> in
include/linux/sunrpc/rpc_rdma.h.
I did not see any other users dependency but if exist they
should be fixed since these headers are totally irrelevant
to here.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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This doesn't appear to be useful.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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NFSv4 opens may function as locks denying other NFSv4 users the rights
to open a file.
We're requiring a user to have write permissions before they can deny
write. We're *not* requiring a user to have write permissions to deny
read, which is if anything a more drastic denial.
What was intended was to require write permissions for DENY_READ.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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All nfsd security depends on the security checks in fh_verify, and
especially on nfsd_setuser().
It therefore bothers me that the nfsd_setuser call may be made from
three different places, depending on whether the filehandle has already
been mapped to a dentry, and on whether subtreechecking is in force.
Instead, make an unconditional call in fh_verify(), so it's trivial to
verify that the call always occurs.
That leaves us with a redundant nfsd_setuser() call in the subtreecheck
case--it needs the correct user set earlier in order to check execute
permissions on the path to this filehandle--but I'm willing to accept
that minor inefficiency in the subtreecheck case in return for more
straightforward permission checking.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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This reverts commit 59a252ff8c0f2fa32c896f69d56ae33e641ce7ad.
This helps in an entirely cached workload but not necessarily in
workloads that require waiting on disk.
Conflicts:
include/linux/sunrpc/svc.h
net/sunrpc/svc_xprt.c
Reported-by: Simon Kirby <sim@hostway.ca>
Tested-by: Jesper Krogh <jesper@krogh.cc>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
SUNRPC: Address buffer overrun in rpc_uaddr2sockaddr()
NFSv4: Fix a cache validation bug which causes getcwd() to return ENOENT
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As this struct is exposed to user space and the API was added for this
release it's a bit of a pain for the C++ world and we still have time to
fix it. Rename the fields before we end up with that pain in an actual
release.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Reported-by: Olivier Goffart
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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<4GiB RAM.
Commit 86cf898e1d0fca245173980e3897580db38569a8 ("intel-iommu: Check for
'DMAR at zero' BIOS error earlier.") was supposed to work by pretending
not to detect an IOMMU if it was actually being reported by the BIOS at
physical address zero.
However, the intel_iommu_init() function is called unconditionally, as
are the corresponding functions for other IOMMU hardware.
So the patch only worked if you have RAM above the 4GiB boundary. It
caused swiotlb to be initialised when no IOMMU was detected during early
boot, and thus the later IOMMU init would refuse to run.
But if you have less RAM than that, swiotlb wouldn't get set up and the
IOMMU _would_ still end up being initialised, even though we never
claimed to detect it.
This patch also sets the dmar_disabled flag when the error is detected
during the initial detection phase -- so that the later call to
intel_iommu_init() will return without doing anything, regardless of
whether swiotlb is used or not.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] Fix stale cpufreq_cpu_governor pointer
[CPUFREQ] Resolve time unit thinko in ondemand/conservative govs
[CPUFREQ] speedstep-ich: fix error caused by 394122ab144dae4b276d74644a2f11c44a60ac5c
[CPUFREQ] Fix use after free on governor restore
[CPUFREQ] acpi-cpufreq: blacklist Intel 0f68: Fix HT detection and put in notification message
[CPUFREQ] powernow-k8: Fix test in get_transition_latency()
[CPUFREQ] longhaul: select Longhaul version 2 for capable CPUs
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Doing the strcmp return value as
signed char __res = *cs - *ct;
is wrong for two reasons. The subtraction can overflow because __res
doesn't use a type big enough. Moreover the compared bytes should be
interpreted as unsigned char as specified by POSIX.
The same problem is fixed in strncmp.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6
* 'agp-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/agp-2.6:
agp/intel-agp: Set dma_mask for capable chipsets before agp_add_bridge()
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
ima: replace GFP_KERNEL with GFP_NOFS
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We should set this before calling agp_add_bridge() so that it's done
before we map the scratch page too.
This should probably fix the regression reported as k.o. bug #14627.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
OMAP: cs should be positive in gpmc_cs_free()
omap: fix unlikely(x) < y
omap3: clock: Fixed dpll3_m2x2 rate calculation
omap3: clock: Fix the DPLL freqsel computations
omap: Fix keymap for zoom2 according to matrix keypad framwork
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6:
ASoC: tlv320aic23 fix rate selection
ASoC: OMAP3 Pandora: update for TWL4030 codec changes
ASoC: Modifying the license string GPLv2 for OMAP3 EVM
ALSA: hda - Fix quirk for VAIO type G
ALSA: usb - Quirk to disable master volume control in PCM2702
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (42 commits)
cxgb3: fix premature page unmap
ibm_newemac: Fix EMACx_TRTR[TRT] bit shifts
vlan: Fix register_vlan_dev() error path
gro: Fix illegal merging of trailer trash
sungem: Fix Serdes detection.
net: fix mdio section mismatch warning
ppp: fix BUG on non-linear SKB (multilink receive)
ixgbe: Fixing EEH handler to handle more than one error
net: Fix the rollback test in dev_change_name()
Revert "isdn: isdn_ppp: Use SKB list facilities instead of home-grown implementation."
TI Davinci EMAC : Fix Console Hang when bringing the interface down
smsc911x: Fix Console Hang when bringing the interface down.
mISDN: fix error return in HFCmulti_init()
forcedeth: mac address fix
r6040: fix version printing
Bluetooth: Fix regression with L2CAP configuration in Basic Mode
Bluetooth: Select Basic Mode as default for SOCK_SEQPACKET
Bluetooth: Set general bonding security for ACL by default
r8169: Fix receive buffer length when MTU is between 1515 and 1536
can: add the missing netlink get_xstats_size callback
...
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While running fsstress tests on the NFSv4 mounted ext3 and ext4
filesystem, the following call trace was generated on the nfs
server machine.
Replace GFP_KERNEL with GFP_NOFS in ima_iint_insert() to avoid a
potential deadlock.
=================================
[ INFO: inconsistent lock state ]
2.6.31-31.el6.x86_64 #1
---------------------------------
inconsistent {RECLAIM_FS-ON-W} -> {IN-RECLAIM_FS-W} usage.
kswapd2/75 [HC0[0]:SC0[0]:HE1:SE1] takes:
(jbd2_handle){+.+.?.}, at: [<ffffffff811edd5e>] jbd2_journal_start+0xfe/0x13f
{RECLAIM_FS-ON-W} state was registered at:
[<ffffffff81091e40>] mark_held_locks+0x65/0x99
[<ffffffff81091f31>] lockdep_trace_alloc+0xbd/0xf5
[<ffffffff81126fdd>] kmem_cache_alloc+0x40/0x185
[<ffffffff812344d7>] ima_iint_insert+0x3d/0xf1
[<ffffffff812345b0>] ima_inode_alloc+0x25/0x44
[<ffffffff811484ac>] inode_init_always+0xec/0x271
[<ffffffff81148682>] alloc_inode+0x51/0xa1
[<ffffffff81148700>] new_inode+0x2e/0x94
[<ffffffff811b2f08>] ext4_new_inode+0xb8/0xdc9
[<ffffffff811be611>] ext4_create+0xcf/0x175
[<ffffffff8113e2cd>] vfs_create+0x82/0xb8
[<ffffffff8113f337>] do_filp_open+0x32c/0x9ee
[<ffffffff811309b9>] do_sys_open+0x6c/0x12c
[<ffffffff81130adc>] sys_open+0x2e/0x44
[<ffffffff81011e42>] system_call_fastpath+0x16/0x1b
[<ffffffffffffffff>] 0xffffffffffffffff
irq event stamp: 90371
hardirqs last enabled at (90371): [<ffffffff8112708d>]
kmem_cache_alloc+0xf0/0x185
hardirqs last disabled at (90370): [<ffffffff81127026>]
kmem_cache_alloc+0x89/0x185
softirqs last enabled at (89492): [<ffffffff81068ecf>]
__do_softirq+0x1bf/0x1eb
softirqs last disabled at (89477): [<ffffffff8101312c>] call_softirq+0x1c/0x30
other info that might help us debug this:
2 locks held by kswapd2/75:
#0: (shrinker_rwsem){++++..}, at: [<ffffffff810f98ba>] shrink_slab+0x44/0x177
#1: (&type->s_umount_key#25){++++..}, at: [<ffffffff811450ba>]
Reported-by: Muni P. Beerakam <mbeeraka@in.ibm.com>
Reported-by: Amit K. Arora <amitarora@in.ibm.com>
Cc: stable@kernel.org
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
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The index `cs' is signed, test whether it is negative before we release
gpmc_cs_mem[cs].
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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The closing parenthesis was not in the right location.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* 'sh/for-2.6.32' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6:
sh: Fixup last users of irq_chip->typename
uio: pm_runtime_disable is needed if failed
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: option.c: add support for D-Link DWM-162-U5
USB: usbmon: fix bug in mon_buff_area_shrink
USB: xhci: Fix scratchpad deallocation.
USB: xhci: Fix TRB physical to virtual address translation.
USB: xhci: Fix bug memory free after failed initialization.
USB: cdc_acm: Fix memory leak after hangup
USB: cdc_acm: Fix race condition when opening tty
USB: ohci: quirk AMD prefetch for USB 1.1 ISO transfer
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6:
tty: cp210x: Fix carrier handling
tty_port: If we are opened non blocking we still need to raise the carrier
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Fix the ordering of sr_valid_mask array.
The lower bit of the index represents USB
not bosr.
Reported-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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A while ago TWL4030 had it's playback stream name changed, but
pandora needs it for it's playback path. Update to correct stream
name so that playback works again.
Also mark VIBRA output as not connected.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Correcting the license string from GPLv2 -> GPL v2.
Found the problem while building OMAP3 ASoC driver as
module.
Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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unmap Rx page only when guaranteed that this page won't be
used anymore to allocate rx page chunks.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The TRT bit shifts were reversed for EMAC4 and non-EMAC4 during the
port from ibm_emac to ibm_newemac. This patch corrects that error.
Signed-off-by: Dave Mitchell <dmitchell@appliedmicro.com>
Acked-by: Feng Kan <fkan@appliedmicro.com>
Acked-by: Prodyut Hazarika <phazarika@appliedmicro.com>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Dave,
Attached is an update of my patch against the cpufreq fixes branch.
Before applying the patch I compiled and booted the tree to see if the panic
was still there -- to my surprise it was not. This is because of the conversion
of cpufreq_cpu_governor to a char[].
While the panic is kaput, the problem of stale data continues and my patch is
still valid. It is possible to end up with the wrong governor after hotplug
events because CPUFREQ_DEFAULT_GOVERNOR is statically linked to a default,
while the cpu siblings may have had a different governor assigned by a user.
ie) the patch is still needed in order to keep the governors assigned
properly when hotplugging devices
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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ondemand and conservative governors are messing up time units in the
code path where NO_HZ is not enabled and ignore_nice is set. The walltime
idletime stored is in jiffies and nice time calculation is happening in
microseconds.
The problem was reported and diagnosed by Alexander here.
http://marc.info/?l=linux-kernel&m=125752550404513&w=2
The patch below fixes this thinko.
Reported-by: Alexander Miller <Miller@fmi.uni-stuttgart.de>
Tested-by: Alexander Miller <Miller@fmi.uni-stuttgart.de>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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394122ab144dae4b276d74644a2f11c44a60ac5c
"[CPUFREQ] cpumask: avoid playing with cpus_allowed in speedstep-ich.c"
changed the code to mistakenly pass the current cpu as the "processor"
argument of speedstep_get_frequency(), whereas it should be the type of
the processor.
Addresses http://bugzilla.kernel.org/show_bug.cgi?id=14340
Based on a patch by Dave Mueller.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Dominik Brodowski <linux@brodo.de>
Reported-by: Dave Mueller <dave.mueller@gmx.ch>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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Currently on governer backup/restore path we storing governor's pointer.
This is wrong because one may unload governor's module after cpu goes
offline. As result use-after-free will take place on restored cpu.
It is not easy to exploit this bug, but still we have to close this
issue ASAP. Issue was introduced by following commit
084f34939424161669467c19280dbcf637730314
##TESTCASE##
#!/bin/sh -x
modprobe acpi_cpufreq
# Any non default governor, in may case it is "ondemand"
modprobe cpufreq_ondemand
echo ondemand > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
rmmod acpi_cpufreq
rmmod cpufreq_ondemand
modprobe acpi_cpufreq # << use-after-free here.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Dave Jones <davej@redhat.com>
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notification message
Removing the SMT/HT check, since the Errata doesn't mention
Hyper-Threading.
Adding in a printk, so that the user knows why acpi-cpufreq refuses to
load. Also, once system is blacklisted, don't repeat checks to see if
blacklisted. This also causes the message to only be printed once,
rather than for each CPU.
Signed-off-by: John L. Villalovos <john.l.villalovos@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Not makes it a bool before the comparison.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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There is a typo in the longhaul detection code so only Longhaul v1 or Longhaul v3
is selected. The Longhaul v2 is not selected even for CPUs which are capable of.
Tested on PCChips Giga Pro board. Frequency changes work and the Longhaul v2
detects that the board is not capable of changing CPU voltage.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Dave Jones <davej@redhat.com>
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The typename member of struct irq_chip was kept for migration purposes
and is obsolete since more than 2 years. Fix up the leftovers.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-sh@vger.kernel.org
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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This is for consistency with various ioctl() operations that include the
suffix "PGRP" in their names, and also for consistency with PRIO_PGRP,
used with setpriority() and getpriority(). Also, using PGRP instead of
GID avoids confusion with the common abbreviation of "group ID".
I'm fine with anything that makes it more consistent, and if PGRP is what
is the predominant abbreviation then I see no need to further confuse
matters by adding a third one.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a small issue for the stack pointer in /proc/<pid>/stat. In case of a
kernel thread the value of the printed stack pointer should be 0.
Signed-off-by: Stefani Seibold <stefani@seibold.net>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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