| Age | Commit message (Collapse) | Author |
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
ehea: Fix napi list corruption on ifconfig down
igbvf: Allow VF driver to correctly recognize failure to set mac
3c59x: Fix build failure with gcc 3.2
sky2: Avoid transmits during sky2_down()
iwlagn: do not send key clear commands when rfkill enabled
libertas: Read buffer overflow
drivers/net/wireless: introduce missing kfree
drivers/net/wireless/iwlwifi: introduce missing kfree
zd1211rw: fix unaligned access in zd_mac_rx
cfg80211: fix regression on beacon world roaming feature
cfg80211: add two missing NULL pointer checks
ixgbe: Patch to modify 82598 PCIe completion timeout values
bluetooth: rfcomm_init bug fix
mlx4_en: Fix double pci unmapping.
mISDN: Fix handling of receive buffer size in L1oIP
pcnet32: VLB support fixes
pcnet32: remove superfluous NULL pointer check in pcnet32_probe1()
net: restore the original spinlock to protect unicast list
netxen: fix coherent dma mask setting
mISDN: Read buffer overflow
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (23 commits)
[SCSI] sd: Avoid sending extended inquiry to legacy devices
[SCSI] libsas: fix wide port hotplug issues
[SCSI] libfc: fix a circular locking warning during sending RRQ
[SCSI] qla4xxx: Remove hiwat code so scsi eh does not get escalated when we can make progress
[SCSI] qla4xxx: Fix srb lookup in qla4xxx_eh_device_reset
[SCSI] qla4xxx: Fix Driver Fault Recovery Completion
[SCSI] qla4xxx: add timeout handler
[SCSI] qla4xxx: Correct Extended Sense Data Errors
[SCSI] libiscsi: disable bh in and abort handler.
[SCSI] zfcp: Fix tracing of request id for abort requests
[SCSI] zfcp: Fix wka port processing
[SCSI] zfcp: avoid double notify in lowmem scenario
[SCSI] zfcp: Add port only once to FC transport class
[SCSI] zfcp: Recover from stalled outbound queue
[SCSI] zfcp: Fix erp escalation procedure
[SCSI] zfcp: Fix logic for physical port close
[SCSI] zfcp: Use -EIO for SBAL allocation failures
[SCSI] zfcp: Use unchained mode for small ct and els requests
[SCSI] zfcp: Use correct flags for zfcp_erp_notify
[SCSI] zfcp: Return -ENOMEM for allocation failures in zfcp_fsf
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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp:
amd64_edac: print debug statements only on error
amd64_edac: fix ECC checking
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/ttm: Read buffer overflow
drm/radeon: Read buffer overflow
drm/ttm: Fix a sync object leak.
drm/radeon/kms: fix memory leak in radeon_driver_load_kms
drm/radeon/kms: fix nomodeset.
drm/ttm: Fix a potential comparison of structs.
drm/radeon/kms: fix rv515 VRAM initialisation.
drm/radeon: add some new r7xx pci ids
drm: Catch stop possible NULL pointer reference
drm: Small logic fix in drm_mode_setcrtc
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-2.6:
parisc: hppb.c - fix printk format strings
parisc: parisc-agp.c - use correct page_mask function
parisc: sticore.c - check return values
parisc: dino.c - check return value of pci_assign_resource()
parisc: hp_sdc_mlc.c - check return value of down_trylock()
parisc: includecheck fix for ccio-dma.c
parisc: Set correct bit in protection flags
parisc: isa-eeprom - Fix loff_t usage
parisc: fixed faulty check in lba_pci
parisc: Fix read buffer overflow in pdc_stable driver
parisc: Fix GOT overflow during module load on 64bit kernel
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flex_array_get() calculates an index value, then drops it on the floor;
simply remove it.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Acked-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
perf_counter: Set the CONFIG_PERF_COUNTERS default to y if CONFIG_PROFILING=y
perf: Fix read buffer overflow
perf top: Add mwait_idle_with_hints to skip_symbols[]
perf tools: Fix faulty check
perf report: Update for the new FORK/EXIT events
perf_counter: Full task tracing
perf_counter: Collapse inherit on read()
tracing, perf_counter: Add help text to CONFIG_EVENT_PROFILE
perf_counter tools: Fix link errors with older toolchains
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
sched: Fix race in cpupri introduced by cpumask_var changes
sched: Fix latencytop and sleep profiling vs group scheduling
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
posix-timers: Fix oops in clock_nanosleep() with CLOCK_MONOTONIC_RAW
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
tracing: Fix missing function_graph events when we splice_read from trace_pipe
tracing: Fix invalid function_graph entry
trace: stop tracer in oops_enter()
ftrace: Only update $offset when we update $ref_func
ftrace: Fix the conditional that updates $ref_func
tracing: only truncate ftrace files when O_TRUNC is set
tracing: show proper address for trace-printk format
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6:
mfd: twl4030 irq fixes
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Work around compilation warning in arch/x86/kernel/apm_32.c
x86, UV: Complete IRQ interrupt migration in arch_enable_uv_irq()
x86, 32-bit: Fix double accounting in reserve_top_address()
x86: Don't use current_cpu_data in x2apic phys_pkg_id
x86, UV: Fix UV apic mode
x86, UV: Fix macros for accessing large node numbers
x86, UV: Delete mapping of MMR rangs mapped by BIOS
x86, UV: Handle missing blade-local memory correctly
x86: fix assembly constraints in native_save_fl()
x86, msr: execute on the correct CPU subset
x86: Fix assert syntax in vmlinux.lds.S
x86: Make 64-bit efi_ioremap use ioremap on MMIO regions
x86: Add quirk to make Apple MacBook5,2 use reboot=pci
x86: Fix CPA memtype reserving in the set_pages_array*() cases
x86, pat: Fix set_memory_wc related corruption
x86: fix section mismatch for i386 init code
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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] Make cpufreq suspend code conditional on powerpc.
[CPUFREQ] Fix a kobject reference bug related to managed CPUs
[CPUFREQ] Do not set policy for offline cpus
[CPUFREQ] Fix NULL pointer dereference regression in conservative governor
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git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2:
nilfs2: fix missing unlock in error path of nilfs_mdt_write_page
nilfs2: fix oops due to inconsistent state in page with discrete b-tree nodes
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* git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
[CIFS] Update readme to reflect forceuid mount parms
cifs: Read buffer overflow
cifs: show noforceuid/noforcegid mount options (try #2)
cifs: reinstate original behavior when uid=/gid= options are specified
[CIFS] Updates fs/cifs/CHANGES
cifs: fix error handling in mount-time DFS referral chasing code
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This patch fixes the napi list handling when an ehea interface is shut
down to avoid corruption of the napi list.
Signed-off-by: Hannes Hering <hering2@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The VF driver was not correctly recognizing that it did not correctly set
it's mac address. As a result the VF driver was unable to receive network
traffic until being unloaded and reloaded. The issue was root caused to
the fact that the CTS bit was not taken into account when checking for the
request being NAKed.
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The suspend code runs with interrupts disabled, and the powerpc workaround we
do in the cpufreq suspend hook calls the drivers ->get method.
powernow-k8's ->get does an smp_call_function_single
which needs interrupts enabled
cpufreq's suspend/resume code was added in 42d4dc3f4e1e to work around
a hardware problem on ppc powerbooks. If we make all this code
conditional on powerpc, we avoid the issue above.
Signed-off-by: Dave Jones <davej@redhat.com>
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The first offline/online cycle is successful, the second not.
Doing:
echo 0 >cpu1/online
echo 1 >cpu1/online
echo 0 >cpu1/online
The last command will trigger:
Jul 22 14:39:50 linux kernel: [ 593.210125] ------------[ cut here ]------------
Jul 22 14:39:50 linux kernel: [ 593.210139] WARNING: at lib/kref.c:43 kref_get+0x23/0x2b()
Jul 22 14:39:50 linux kernel: [ 593.210144] Hardware name: To Be Filled By O.E.M.
Jul 22 14:39:50 linux kernel: [ 593.210148] Modules linked in: powernow_k8
Jul 22 14:39:50 linux kernel: [ 593.210158] Pid: 378, comm: kondemand/2 Tainted: G W 2.6.31-rc2 #38
Jul 22 14:39:50 linux kernel: [ 593.210163] Call Trace:
Jul 22 14:39:50 linux kernel: [ 593.210171] [<ffffffff812008e8>] ? kref_get+0x23/0x2b
Jul 22 14:39:50 linux kernel: [ 593.210181] [<ffffffff81041926>] warn_slowpath_common+0x77/0xa4
Jul 22 14:39:50 linux kernel: [ 593.210190] [<ffffffff81041962>] warn_slowpath_null+0xf/0x11
Jul 22 14:39:50 linux kernel: [ 593.210198] [<ffffffff812008e8>] kref_get+0x23/0x2b
Jul 22 14:39:50 linux kernel: [ 593.210206] [<ffffffff811ffa19>] kobject_get+0x1a/0x22
Jul 22 14:39:50 linux kernel: [ 593.210214] [<ffffffff813e815d>] cpufreq_cpu_get+0x8a/0xcb
Jul 22 14:39:50 linux kernel: [ 593.210222] [<ffffffff813e87d1>] __cpufreq_driver_getavg+0x1d/0x67
Jul 22 14:39:50 linux kernel: [ 593.210231] [<ffffffff813ea18f>] do_dbs_timer+0x158/0x27f
Jul 22 14:39:50 linux kernel: [ 593.210240] [<ffffffff810529ea>] worker_thread+0x200/0x313
...
The output continues on every do_dbs_timer ondemand freq checking poll.
This regression was introduced by git commit:
3f4a782b5ce2698b1870b5a7b573cd721d4fce33
The policy is released when the cpufreq device is removed in:
__cpufreq_remove_dev():
/* if this isn't the CPU which is the parent of the kobj, we
* only need to unlink, put and exit
*/
Not creating the symlink is not sever at all.
As long as:
sysfs_remove_link(&sys_dev->kobj, "cpufreq");
handles it gracefully that the symlink did not exist.
Possibly no error should be returned at all, because ondemand
governor would still provide the same functionality.
Userspace in userspace gov case might be confused if the link
is missing.
Resolves http://bugzilla.kernel.org/show_bug.cgi?id=13903
CC: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Dave Jones <davej@redhat.com>
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Suspend/Resume fails on multi socket, multi core systems because the cpufreq
code erroneously sets the per_cpu policy_cpu value when a logical cpu is
offline.
This most notably results in missing sysfs files that are used to set the
cpu frequencies of the various cpus.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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Commit ee88415caf736b89500f16e0a545614541a45005
introduced this regression when it removed enable bit in cpu_dbs_info_s.
That added a possibility of dbs_cpufreq_notifier getting called for a
CPU that is not yet managed by conservative governor. That will happen
as the transition notifier is set as soon as one CPU switches to
conservative governor and other CPUs can get a NULL pointer dereference
without the enable bit check. Add the enable bit back again.
Reported-by: Lermytte Christophe <Christophe.Lermytte@thomson.net>
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
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The TWL4030 IRQ handler has a bug which leads to spinlock lock-up. It is
calling the 'unmask' function in a process context. :The mask/unmask/ack
functions are only designed to be called from the IRQ handler code,
or the proper API interfaces found in linux/interrupt.h.
Also there is no need to have IRQ chaining mechanism. The right way to
handle this is to claim the parent interrupt as a standard interrupt
and arrange for handle_twl4030_pih to take care of the rest of the devices.
Mail thread on this issue can be found at:
http://marc.info/?l=linux-arm-kernel&m=124629940123396&w=2
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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If user has already enabled profiling support in the kernel
(for oprofile, old-style profiling of ftrace) then offer up
perfcounters with a y default in interactive kconfig sessions.
Still keep it off by default otherwise.
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The following fix was initially inspired by David Howells fix
few days back:
http://lkml.org/lkml/2009/7/9/109
However, Ingo disapproves such fixes as it's dangerous (it can
hide future, relevant warnings) - in something as
performance-uncritical.
So, initialize 'err' to '0' to work around a GCC false positive
warning:
http://lkml.org/lkml/2009/7/18/89
Signed-off-by: Subrata Modak<subrata@linux.vnet.ibm.com>
Cc: Sachin P Sant <sachinp@linux.vnet.ibm.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
LKML-Reference: <20090721023226.31855.67236.sendpatchset@subratamodak.linux.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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In uv_setup_irq(), the call to create_irq() initially assigns
IRQ vectors to cpu 0. The subsequent call to
assign_irq_vector() in arch_enable_uv_irq() migrates the IRQ to
another cpu and frees the cpu 0 vector - at least it will be
freed as soon as the "IRQ move" completes.
arch_enable_uv_irq() needs to send a cleanup IPI to complete
the IRQ move. Otherwise, assignment of GRU interrupts on large
systems (>200 cpus) will exhaust the cpu 0 interrupt vectors
and initialization of the GRU driver will fail.
Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20090720142840.GA8885@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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With VMALLOC_END included in the calculation of MAXMEM (as of
2.6.28) it is no longer correct to also bump __VMALLOC_RESERVE
in reserve_top_address(). Doing so results in needlessly small
lowmem.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
LKML-Reference: <4A71DD2A020000780000D482@vpn.id2.novell.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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One system has socket 1 come up as BSP.
kexeced kernel reports BSP as:
[ 1.524550] Initializing cgroup subsys cpuacct
[ 1.536064] initial_apicid:20
[ 1.537135] ht_mask_width:1
[ 1.538128] core_select_mask:f
[ 1.539126] core_plus_mask_width:5
[ 1.558479] CPU: Physical Processor ID: 0
[ 1.559501] CPU: Processor Core ID: 0
[ 1.560539] CPU: L1 I cache: 32K, L1 D cache: 32K
[ 1.579098] CPU: L2 cache: 256K
[ 1.580085] CPU: L3 cache: 24576K
[ 1.581108] CPU 0/0x20 -> Node 0
[ 1.596193] CPU 0 microcode level: 0xffff0008
It doesn't have correct physical processor id and will get an
error:
[ 38.840859] CPU0 attaching sched-domain:
[ 38.848287] domain 0: span 0,8,72 level SIBLING
[ 38.851151] groups: 0 8 72
[ 38.858137] domain 1: span 0,8-15,72-79 level MC
[ 38.868944] groups: 0,8,72 9,73 10,74 11,75 12,76 13,77 14,78 15,79
[ 38.881383] ERROR: parent span is not a superset of domain->span
[ 38.890724] domain 2: span 0-7,64-71 level CPU
[ 38.899237] ERROR: domain->groups does not contain CPU0
[ 38.909229] groups: 8-15,72-79
[ 38.912547] ERROR: groups don't span domain->span
[ 38.919665] domain 3: span 0-127 level NODE
[ 38.930739] groups: 0-7,64-71 8-15,72-79 16-23,80-87 24-31,88-95 32-39,96-103 40-47,104-111 48-55,112-119 56-63,120-127
it turns out: we can not use current_cpu_data in phys_pgd_id
for x2apic.
identify_boot_cpu() is called by check_bugs() before
smp_prepare_cpus() and till smp_prepare_cpus() current_cpu_data
for bsp is assigned with boot_cpu_data.
Just make phys_pkg_id for x2apic is aligned to xapic.
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Acked-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4A6ADD0D.10002@kernel.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Change SGI UV default apicid mode to "physical". This is
required to match settings in the UV hub chip.
Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20090727143856.GA8905@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The UV chipset automatically supplies the upper bits on nodes
being referenced by MMR accesses. These bit can be deleted from
the hub addressing macros.
Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20090727143808.GA8076@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The UV BIOS has added additional MMR ranges that are mapped via
EFI virtual mode mappings. These ranges should be deleted from
ranges mapped by uv_system_init().
Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org
LKML-Reference: <20090727143656.GA7698@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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UV blades may not have any blade-local memory. Add a field
(nid) to the UV blade structure to indicates whether the node
has local memory. This is needed by the GRU driver (pushed
separately).
Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: linux-mm@kvack.org
LKML-Reference: <20090727143507.GA7006@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing into tracing/urgent
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Add forgotten return calls for the successful cases.
Signed-off-by: Doug Thompson <dougthompson@xmission.com>
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
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Check whether index is within bounds before testing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Cc: a.p.zijlstra@chello.nl
Cc: Andrew Morton <akpm@linux-foundation.org>
LKML-Reference: <4A757BCF.40101@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Prevent calling do_nanosleep() with clockid
CLOCK_MONOTONIC_RAW, it may cause oops, such as NULL pointer
dereference.
Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <johnstul@us.ibm.com>
Cc: <stable@kernel.org>
LKML-Reference: <4A764FF3.50607@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Fix the following build failure with gcc 3.2:
CC [M] drivers/net/3c59x.o
drivers/net/3c59x.c:2726:1: directives may not be used inside a macro argument
drivers/net/3c59x.c:2725:59: unterminated argument list invoking macro "pr_err"
drivers/net/3c59x.c: In function `dump_tx_ring':
drivers/net/3c59x.c:2727: implicit declaration of function `pr_err'
drivers/net/3c59x.c:2731: syntax error before ')' token
Apparently gcc 3.2 doesn't like #if interleaved with a macro call.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Check whether index is within bounds before grabbing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Check whether index is within bounds before grabbing the element.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If there are multiple simultaneous waiters for the same buffer object,
a temporary reference to its sync object may be leaked.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This patch fixes following kmemleak report:
unreferenced object 0xffff88022cb53000 (size 4096):
comm "work_for_cpu", pid 97, jiffies 4294672345
backtrace:
[<ffffffff810eb222>] create_object+0x19f/0x2a0
[<ffffffff810eb422>] kmemleak_alloc+0x26/0x4c
[<ffffffff810e363f>] __kmalloc+0x187/0x1b0
[<ffffffffa005f3db>] kzalloc.clone.0+0x13/0x15 [radeon]
[<ffffffffa005f403>] radeon_driver_load_kms+0x26/0xe1 [radeon]
[<ffffffffa0017432>] drm_get_dev+0x37f/0x480 [drm]
[<ffffffffa007f424>] radeon_pci_probe+0x15/0x269 [radeon]
[<ffffffff811f8779>] local_pci_probe+0x17/0x1b
[<ffffffff8105ffbb>] do_work_for_cpu+0x18/0x2a
[<ffffffff81063c38>] kthread+0x8a/0x92
[<ffffffff81012cba>] child_rip+0xa/0x20
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Xiaotian Feng <dfeng@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The ordering was wrong to get the nomodeset parameter to work.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On some architectures the comparison may cause a compilation failure.
Original partial fix Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This got missed in the VRAM init re-workings.
Signed-of-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This was caught by Weiss. Also added some comments to the
fb_changed and mode_changed variables to explain what they do.
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Tested-by: Thomas White <taw@bitwiz.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Match the logic to the comments in the debug message
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This patch supersedes my previous patch "sky2: Avoid transmitting
during sky2_restart".
I have reworked the patch to avoid crashes during both sky2_restart()
and sky2_set_ringparam().
Without this patch, the sky2 driver can be crashed by doing:
# pktgen eth1 & (transmit many packets on eth1)
# ethtool -G eth1 tx 510
I am aware you object to storing extra state, but I can't see a way
around this. Without remembering that we're restarting,
netif_wake_queue() is called in the ISR from sky2_tx_complete(), and
netif_tx_lock() is used in sky2_tx_done(). If anybody can see a way
around this, please let me know.
Signed-off-by: Mike McCormack <mikem@ring3k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From Gabe Black in bugzilla 13888:
native_save_fl is implemented as follows:
11static inline unsigned long native_save_fl(void)
12{
13 unsigned long flags;
14
15 asm volatile("# __raw_save_flags\n\t"
16 "pushf ; pop %0"
17 : "=g" (flags)
18 : /* no input */
19 : "memory");
20
21 return flags;
22}
If gcc chooses to put flags on the stack, for instance because this is
inlined into a larger function with more register pressure, the offset
of the flags variable from the stack pointer will change when the
pushf is performed. gcc doesn't attempt to understand that fact, and
address used for pop will still be the same. It will write to
somewhere near flags on the stack but not actually into it and
overwrite some other value.
I saw this happen in the ide_device_add_all function when running in a
simulator I work on. I'm assuming that some quirk of how the simulated
hardware is set up caused the code path this is on to be executed when
it normally wouldn't.
A simple fix might be to change "=g" to "=r".
Reported-by: Gabe Black <spamforgabe@umich.edu>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Cc: Stable Team <stable@kernel.org>
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