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Will Deacon f6f5a30c83 ARM: 7356/1: perf: check that we have an event in the PMU IRQ handlers 
The PMU IRQ handlers in perf assume that if a counter has overflowed
then perf must be responsible. In the paranoid world of crazy hardware,
this could be false, so check that we do have a valid event before
attempting to dereference NULL in the interrupt path.

Cc: <stable@vger.kernel.org>
Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-03-07 09:40:49 +00:00
..
.gitignore
…
armksyms.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
arthur.c
…
asm-offsets.c
ARM: 7114/1: cache-l2x0: add resume entry for l2 in secure mode
2011-10-17 09:11:51 +01:00
atags.c
…
atags.h
…
bios32.c
arm/PCI: convert to pci_scan_root_bus() for correct root bus resources
2012-01-06 12:10:56 -08:00
calls.S
ARM: wire up process_vm_writev and process_vm_readv syscalls
2011-11-17 16:58:00 +00:00
compat.c
ARM: deprecate support for old way to pass kernel parameters
2010-07-07 16:38:36 +02:00
compat.h
ARM: deprecate support for old way to pass kernel parameters
2010-07-07 16:38:36 +02:00
crash_dump.c
crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn
2011-03-23 19:47:19 -07:00
crunch-bits.S
…
crunch.c
ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread()
2009-12-18 14:53:41 +00:00
debug.S
Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
2011-10-28 12:02:27 -07:00
devtree.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
dma-isa.c
ARM: dma-isa: request cascade channel after registering it
2009-12-24 18:34:08 +00:00
dma.c
locking, ARM: Annotate low level hw locks as raw
2011-09-13 11:12:14 +02:00
early_printk.c
ARM: Add an earlyprintk debug console
2009-12-09 10:02:18 +00:00
ecard.c
ARM: ecard: ensure fake vma vm_flags is setup
2012-03-05 23:29:51 +00:00
ecard.h
…
elf.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
entry-armv.S
ARM: 7314/1: kuser: consistently use usr_ret for returning from helpers
2012-02-03 15:58:46 +00:00
entry-common.S
ARM: 7299/1: ftrace: clear zero bit in reported IPs for Thumb-2
2012-01-25 09:24:37 +00:00
entry-header.S
Merge branch 'devel-stable' into for-next
2011-07-22 23:09:07 +01:00
etm.c
arm: fix implicit module.h users by adding it to arch/arm as required.
2011-10-31 19:30:50 -04:00
fiq.c
ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2
2011-05-26 10:31:06 +01:00
fiqasm.S
ARM: 6938/1: fiq: Refactor {get,set}_fiq_regs() for Thumb-2
2011-05-26 10:31:06 +01:00
ftrace.c
ARM: ftrace: graph tracer + dynamic ftrace
2010-11-19 21:43:27 +05:30
head-common.S
arm/dt: Make __vet_atags also accept a dtb image
2011-05-11 15:12:32 +02:00
head-nommu.S
ARM: 6999/1: head, zImage: Always Enter the kernel in ARM state
2011-07-19 12:00:53 +01:00
head.S
ARM: 7275/1: LPAE: Check the CPU support for the long descriptor format
2012-01-13 08:56:41 +00:00
hw_breakpoint.c
ARM: LPAE: Add fault handling support
2011-12-08 10:30:40 +00:00
init_task.c
Use new __init_task_data macro in arch init_task.c files.
2009-09-21 06:27:08 +02:00
io.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
irq.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00
isa.c
sysctl: Drop & in front of every proc_handler.
2009-11-18 08:37:40 -08:00
iwmmxt.S
ARM: pxa: fix logic error in PJ4 iWMMXt handling
2011-08-11 10:10:26 +08:00
kgdb.c
kgdb,arm: fix register dump
2010-10-29 13:14:40 -05:00
kprobes-arm.c
ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below
2011-11-30 23:54:54 +00:00
kprobes-common.c
ARM: kprobes: Add alu_write_pc()
2011-07-13 17:32:48 +00:00
kprobes-test-arm.c
ARM: 7181/1: Restrict kprobes probing SWP instructions to ARMv5 and below
2011-11-30 23:54:54 +00:00
kprobes-test-thumb.c
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-test.c
ARM: 7209/1: Use generic ARM instruction set condition code checks for kprobes.
2011-12-13 08:52:03 +00:00
kprobes-test.h
ARM: 7174/1: Fix build error in kprobes test code on Thumb2 kernels
2011-11-26 21:58:53 +00:00
kprobes-thumb.c
ARM: kprobes: Add exports for test code
2011-09-20 18:17:43 +00:00
kprobes.c
ARM: kprobes: Extend arch_specific_insn to add pointer to emulated instruction
2011-07-13 17:32:42 +00:00
kprobes.h
ARM: kprobes: Add exports for test code
2011-09-20 18:17:43 +00:00
leds.c
arm: leds: convert sysdev_class to a regular subsystem
2011-12-21 15:52:57 -08:00
machine_kexec.c
Merge branch 'restart-cleanup' into restart
2012-01-05 12:56:44 +00:00
Makefile
ARM: 7206/1: Add generic ARM instruction set condition code checks.
2011-12-13 08:52:02 +00:00
module.c
ARM: 7059/1: LPAE: Use PMD_(SHIFT|SIZE|MASK) instead of PGDIR_*
2011-08-23 15:30:33 +01:00
opcodes.c
ARM: 7206/1: Add generic ARM instruction set condition code checks.
2011-12-13 08:52:02 +00:00
perf_event_v6.c
ARM: 7356/1: perf: check that we have an event in the PMU IRQ handlers
2012-03-07 09:40:49 +00:00
perf_event_v7.c
ARM: 7356/1: perf: check that we have an event in the PMU IRQ handlers
2012-03-07 09:40:49 +00:00
perf_event_xscale.c
ARM: 7356/1: perf: check that we have an event in the PMU IRQ handlers
2012-03-07 09:40:49 +00:00
perf_event.c
ARM: 7354/1: perf: limit sample_period to half max_period in non-sampling mode
2012-03-07 09:40:48 +00:00
pj4-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00
pmu.c
ARM: PMU: re-export release_pmu symbol to modules
2011-11-16 10:06:42 +00:00
process.c
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
2012-01-06 18:15:25 -08:00
ptrace.c
ARM/audit: include audit header and fix audit arch
2012-02-21 16:50:14 +00:00
relocate_kernel.S
ARM: 7065/1: kexec: ensure new kernel is entered in ARM state
2011-08-28 10:39:41 +01:00
return_address.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
sched_clock.c
ARM: 7205/2: sched_clock: allow sched_clock to be selected at runtime
2011-12-18 23:00:26 +00:00
setup.c
ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP
2012-01-23 10:20:05 +00:00
signal.c
ARM: 7306/1: vfp: flush thread hwstate before restoring context from sigframe
2012-02-02 17:37:41 +00:00
signal.h
ARM: Fix signal restart issues with NX and OABI compat
2009-10-25 15:39:37 +00:00
sleep.S
ARM: LPAE: add ISBs around MMU enabling code
2011-12-08 10:30:38 +00:00
smp_scu.c
Merge branches 'arnd-randcfg-fixes', 'debug', 'io' (early part), 'l2x0', 'p2v', 'pgt' (early part) and 'smp' into for-linus
2011-10-25 08:19:29 +01:00
smp_tlb.c
ARM: SMP: split out software TLB maintainence broadcasting
2010-12-20 15:09:17 +00:00
smp_twd.c
ARM: 7336/1: smp_twd: Don't register CPUFREQ notifiers if local timers are not initialised
2012-02-21 09:26:46 +00:00
smp.c
ARM: 7293/1: logical_cpu_map: decouple CPU mapping from SMP
2012-01-23 10:20:05 +00:00
stacktrace.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
suspend.c
ARM: suspend: use idmap_pgd instead of suspend_pgd
2011-12-06 14:04:14 +00:00
swp_emulate.c
ARM: 7208/1: Add condition code checking to SWP emulation handler.
2011-12-13 08:52:03 +00:00
sys_arm.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
sys_oabi-compat.c
ARM: 6891/1: prevent heap corruption in OABI semtimedop
2011-04-29 15:53:14 +01:00
tcm.c
ARM: 7199/2: only look for TCM on ARMv5 and later
2011-12-13 08:52:02 +00:00
tcm.h
ARM: 5580/2: ARM TCM (Tightly-Coupled Memory) support v3
2009-09-15 22:11:05 +01:00
thumbee.c
Fix the teehbr_read function prototype
2008-11-10 14:14:11 +00:00
time.c
arm: convert core files from module.h to export.h
2011-10-31 19:30:49 -04:00
topology.c
ARM: 7182/1: ARM cpu topology: fix warning
2011-11-30 23:55:21 +00:00
traps.c
ARM: 7322/1: Print BUG instead of undefined instruction on BUG_ON()
2012-02-09 16:25:37 +00:00
unwind.c
ARM: unwinder: fix bisection to find origin in .idx section
2011-12-15 14:02:19 -08:00
vmlinux.lds.S
ARM: 7320/1: Fix proc_info table alignment
2012-02-09 16:25:37 +00:00
xscale-cp0.c
arm: remove several unnecessary module.h include instances
2011-10-31 19:30:48 -04:00