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android_kernel_sony_sdm845/arch/powerpc/kernel
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Filename Latest commit message Latest commit date
Paul Mackerras 57fa721433 perf, powerpc: Fix power_pmu_event_init to not use event->ctx 
Commit c3f00c70 ("perf: Separate find_get_context() from event
initialization") changed the generic perf_event code to call
perf_event_alloc, which calls the arch-specific event_init code,
before looking up the context for the new event.  Unfortunately,
power_pmu_event_init uses event->ctx->task to see whether the
new event is a per-task event or a system-wide event, and thus
crashes since event->ctx is NULL at the point where
power_pmu_event_init gets called.

(The reason it needs to know whether it is a per-task event is
because there are some hardware events on Power systems which
only count when the processor is not idle, and there are some
fixed-function counters which count such events.  For example,
the "run cycles" event counts cycles when the processor is not
idle.  If the user asks to count cycles, we can use "run cycles"
if this is a per-task event, since the processor is running when
the task is running, by definition.  We can't use "run cycles"
if the user asks for "cycles" on a system-wide counter.)

Fortunately the information we need is in the
event->attach_state field, so we just use that instead.

Signed-off-by: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <20101019055535.GA10398@drongo>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Alexey Kardashevskiy <aik@au1.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-19 09:18:34 +02:00
..
vdso32 powerpc: Rework VDSO gettimeofday to prevent time going backwards 2010-07-28 21:06:47 +02:00
vdso64 powerpc: Rework VDSO gettimeofday to prevent time going backwards 2010-07-28 21:06:47 +02:00
.gitignore powerpc: Ignore generated vmlinux.lds in git 2008-10-07 14:26:18 +11:00
align.c powerpc: Handle VSX alignment faults correctly in little-endian mode 2009-12-18 14:55:43 +11:00
asm-offsets.c powerpc: Rework VDSO gettimeofday to prevent time going backwards 2010-07-28 21:06:47 +02:00
audit.c
btext.c lmb: rename to memblock 2010-07-14 17:14:00 +10:00
cacheinfo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cacheinfo.h powerpc: Rewrite sysfs processor cache info code 2009-01-08 16:25:10 +11:00
clock.c [POWERPC] clk.h interface for platforms 2007-10-03 09:11:56 +10:00
compat_audit.c
cpu_setup_6xx.S powerpc: Use names rather than numbers for SPRGs (v2) 2009-08-20 10:12:27 +10:00
cpu_setup_44x.S AMCC PPC 460SX redwood SoC platform initial framework 2009-02-14 14:41:29 -05:00
cpu_setup_fsl_booke.S powerpc/fsl-booke: Enable L1 cache on e500v1/e500v2/e500mc CPUs 2009-06-15 21:45:30 -05:00
cpu_setup_pa6t.S
cpu_setup_ppc970.S powerpc: Use LOAD_REG_IMMEDIATE only for constants on 64-bit 2008-09-15 11:08:35 -07:00
cputable.c powerpc/47x: Remove redundant line from cputable.c 2010-08-23 07:37:01 -04:00
crash.c powerpc/kdump: Stop all other CPUs before running crash handlers 2010-08-24 15:26:27 +10:00
crash_dump.c Merge commit 'gcl/next' into next 2010-08-04 10:26:03 +10:00
dbell.c powerpc/book3e: Resend doorbell exceptions to ourself 2010-07-09 16:11:19 +10:00
dma-iommu.c powerpc: Change archdata dma_data to a union 2009-09-24 15:31:43 +10:00
dma-swiotlb.c of: Merge of_platform_bus_type with platform_bus_type 2010-07-24 09:57:51 -06:00
dma.c lmb: rename to memblock 2010-07-14 17:14:00 +10:00
e500-pmu.c powerpc/perf: e500 support 2010-03-05 03:04:08 -06:00
entry_32.S powerpc/47x: Base ppc476 support 2010-05-05 09:11:10 -04:00
entry_64.S powerpc/perf_event: Fix oops due to perf_event_do_pending call 2010-05-12 14:34:00 +10:00
exceptions-64e.S powerpc/book3e: Fix single step when using HW page tables 2010-07-14 14:13:51 +10:00
exceptions-64s.S powerpc, hw_breakpoints: Implement hw_breakpoints for 64-bit server processors 2010-06-22 19:40:50 +10:00
firmware.c powerpc: Make powerpc_firmware_features __read_mostly 2010-02-09 13:56:07 +11:00
fpu.S powerpc: Use names rather than numbers for SPRGs (v2) 2009-08-20 10:12:27 +10:00
fsl_booke_entry_mapping.S powerpc/fsl-booke: Fix address issue when using relocatable kernels 2010-07-11 11:04:08 -05:00
ftrace.c Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-06-20 10:56:46 -07:00
head_8xx.S powerpc/8xx: Use SPRG2 and DAR registers to stash r11 and cr. 2010-04-07 18:00:34 +10:00
head_32.S KVM: PPC: Add KVM intercept handlers 2010-05-17 12:18:52 +03:00
head_40x.S powerpc: Use names rather than numbers for SPRGs (v2) 2009-08-20 10:12:27 +10:00
head_44x.S powerpc/47x: Make sure mcsr is cleared before enabling machine check interrupts 2010-08-23 07:36:58 -04:00
head_64.S powerpc: Don't use kernel stack with translation off 2010-08-31 11:35:13 +10:00
head_booke.h powerpc/booke: Add Stack Marking support to Booke Exception Prolog 2010-05-05 08:01:52 -04:00
head_fsl_booke.S powerpc/kexec: Add support for FSL-BookE 2010-05-24 21:25:32 -05:00
hw_breakpoint.c powerpc, hw_breakpoint: Tell generic code we have no instruction breakpoints 2010-06-30 13:54:58 +10:00
ibmebus.c powerpc: remove references to of_device and to_of_device 2010-07-24 09:58:21 -06:00
idle.c powerpc: Re-enable preemption before cpu_die() 2010-08-24 15:26:29 +10:00
idle_6xx.S powerpc: Fix for getting CPU number in power_save_ppc32_restore() 2008-09-03 20:53:47 +10:00
idle_book3e.S powerpc/book3e: Add generic 64-bit idle powersave support 2010-07-14 14:13:18 +10:00
idle_e500.S powerpc: Fix for getting CPU number in power_save_ppc32_restore() 2008-09-03 20:53:47 +10:00
idle_power4.S
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 powerpc: tiny memcpy_(to|from)io optimisation 2009-11-04 16:43:12 -07:00
iomap.c [POWERPC] Add 64-bit resources support to pci_iomap 2007-09-20 07:36:52 -05:00
iommu.c powerpc: Remove unused 'protect4gb' boot parameter 2010-05-21 17:31:13 +10:00
irq.c powerpc/4xx: Index interrupt stacks by physical cpu 2010-08-23 07:37:53 -04:00
isa-bridge.c [POWERPC] Remove leftover printk in isa-bridge.c 2008-05-09 20:22:59 +10:00
kgdb.c kgdb,powerpc: Replace hardcoded offset by BREAK_INSTR_SIZE 2010-08-05 09:22:22 -05:00
kprobes.c powerpc/kprobes: Remove resume_execution() in kprobes 2010-06-02 17:50:37 +10:00
l2cr_6xx.S Convert files to UTF-8 and some cleanups 2007-10-19 23:21:04 +02:00
legacy_serial.c of/address: Clean up function declarations 2010-08-01 01:42:42 -06:00
lparcfg.c powerpc/pseries: Export data from new hcall H_EM_GET_PARMS 2010-04-07 18:00:29 +10:00
machine_kexec.c Merge commit 'gcl/next' into next 2010-08-04 10:26:03 +10:00
machine_kexec_32.c kexec jump: rename KEXEC_CONTROL_CODE_SIZE to KEXEC_CONTROL_PAGE_SIZE 2008-08-15 08:35:42 -07:00
machine_kexec_64.c powerpc/kexec: Fix orphaned offline CPUs across kexec 2010-07-31 15:05:22 +10:00
Makefile Merge branch 'next-devicetree' of git://git.secretlab.ca/git/linux-2.6 2010-08-05 15:57:35 -07:00
misc.S perf: Drop the skip argument from perf_arch_fetch_regs_caller 2010-06-08 23:31:27 +02:00
misc_32.S powerpc/kexec: Adds correct calling convention for kexec purgatory 2010-08-31 11:35:12 +10:00
misc_64.S powerpc: Unconditionally enabled irq stacks 2010-06-15 15:02:37 +10:00
module.c powerpc: remove unused variable 2010-10-05 17:27:54 -07:00
module_32.c powerpc/ppc32: ftrace, dynamic ftrace to handle modules 2008-11-20 10:52:53 -08:00
module_64.c powerpc: Unify opcode definitions and support 2009-02-23 10:48:56 +11:00
mpc7450-pmu.c perf: Do the big rename: Performance Counters -> Performance Events 2009-09-21 14:28:04 +02:00
msi.c powerpc/PCI: include pci.h in powerpc MSI implementation 2009-03-25 08:54:29 -07:00
nvram_64.c arch/powerpc: Fix continuation line formats 2010-02-09 13:55:05 +11:00
of_platform.c of: remove of_default_bus_ids 2010-07-24 09:58:22 -06:00
paca.c Merge commit 'gcl/next' into next 2010-08-04 10:26:03 +10:00
pci-common.c of/address: Clean up function declarations 2010-08-01 01:42:42 -06:00
pci_32.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pci_64.c of: add 'of_' prefix to machine_is_compatible() 2010-02-09 08:33:00 -07:00
pci_dn.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
pci_of_scan.c powerpc/pci: Fix checking for child bridges in PCI code. 2010-08-24 15:28:27 +10:00
perf_callchain.c perf: Factorize callchain context handling 2010-08-19 01:32:11 +02:00
perf_event.c perf, powerpc: Fix power_pmu_event_init to not use event->ctx 2010-10-19 09:18:34 +02:00
perf_event_fsl_emb.c perf: Rework the PMU methods 2010-09-09 20:46:30 +02:00
pmc.c powerpc: Convert pmc_owner_lock to raw_spinlock 2010-02-19 14:52:33 +11:00
power4-pmu.c perf: Do the big rename: Performance Counters -> Performance Events 2009-09-21 14:28:04 +02:00
power5+-pmu.c powerpc: perf_event: Enable SDAR in continous sample mode 2009-10-28 16:13:02 +11:00
power5-pmu.c powerpc: perf_event: Enable SDAR in continous sample mode 2009-10-28 16:13:02 +11:00
power6-pmu.c powerpc: perf_event: Enable SDAR in continous sample mode 2009-10-28 16:13:02 +11:00
power7-pmu.c powerpc: perf_event: Enable SDAR in continous sample mode 2009-10-28 16:13:02 +11:00
ppc32.h powerpc: Add VSX context save/restore, ptrace and signal support 2008-07-01 11:28:50 +10:00
ppc970-pmu.c powerpc: perf_event: Enable SDAR in continous sample mode 2009-10-28 16:13:02 +11:00
ppc_ksyms.c KVM: PPC: elide struct thread_struct instances from stack 2010-08-01 10:39:24 +03:00
ppc_save_regs.S powerpc: Prepare xmon_save_regs for use with kdump 2008-12-23 15:13:28 +11:00
proc_powerpc.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
process.c powerpc: Inline ppc64_runlatch_off 2010-08-24 15:26:30 +10:00
prom.c powerpc: Fix erroneous lmb->memblock conversions 2010-07-23 12:56:57 +10:00
prom_init.c powerpc: Print decimal values in prom_init.c 2010-07-31 15:05:20 +10:00
prom_init_check.sh powerpc: Fix compile errors in prom_init_check for gcc 4.5 2010-07-08 18:11:39 +10:00
prom_parse.c of/address: Merge all of the bus translation code 2010-07-05 16:14:26 -06:00
ptrace.c powerpc, hw_breakpoints: Implement hw_breakpoints for 64-bit server processors 2010-06-22 19:40:50 +10:00
ptrace32.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
reloc_64.S powerpc: Make the 64-bit kernel as a position-independent executable 2008-09-15 11:08:38 -07:00
rtas-proc.c powerpc: Move /proc/ppc64 to /proc/powerpc update 2010-01-15 13:26:17 +11:00
rtas-rtc.c
rtas.c Merge commit 'gcl/next' into next 2010-08-04 10:26:03 +10:00
rtas_flash.c powerpc: rtas_flash needs to use rtas_data_buf 2010-06-15 15:02:37 +10:00
rtas_pci.c powerpc/pci: Clean up direct access to sysdata by RTAS 2009-05-21 15:44:23 +10:00
rtasd.c powerpc/rtasd: Don't start event scan if scan rate is zero 2010-05-21 17:29:39 +10:00
setup-common.c powerpc: fix i8042 module build error 2010-08-06 20:49:20 -06:00
setup.h
setup_32.c powerpc/4xx: Index interrupt stacks by physical cpu 2010-08-23 07:37:53 -04:00
setup_64.c powerpc: Correct smt_enabled=X boot option for > 2 threads per core 2010-08-24 15:26:30 +10:00
signal.c powerpc: fix double syscall restarts 2010-09-22 09:33:50 -07:00
signal.h powerpc: Sanitize stack pointer in signal handling code 2009-03-27 16:58:24 +11:00
signal_32.c powerpc: fix double syscall restarts 2010-09-22 09:33:50 -07:00
signal_64.c powerpc: fix double syscall restarts 2010-09-22 09:33:50 -07:00
smp-tbsync.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
smp.c powerpc: Silence __cpu_up() under normal operation 2010-08-24 15:26:29 +10:00
softemu8xx.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
stacktrace.c powerpc: Removed duplicated include in stacktrace.c 2008-07-28 16:30:47 +10:00
suspend.c update email address 2010-07-19 10:56:54 +02:00
swsusp.c powerpc/mm: Split mmu_context handling 2008-12-21 14:21:15 +11:00
swsusp_32.S powerpc/swsusp_32: Fix TLB invalidation 2010-01-15 13:20:07 +11:00
swsusp_64.c
swsusp_asm64.S powerpc: Fix 64-bit hibernation with 64k pages 2008-10-07 14:26:20 +11:00
swsusp_booke.S powerpc/fsl-booke: Add hibernation support for FSL BookE processors 2010-05-21 07:41:53 -05:00
sys_ppc32.c powerpc: Wire up fanotify_init, fanotify_mark, prlimit64 syscalls 2010-08-24 15:28:28 +10:00
syscalls.c Add generic sys_olduname() 2010-03-12 15:52:32 -08:00
sysfs.c powerpc: Use smt_snooze_delay=-1 to always busy loop 2010-05-21 17:31:12 +10:00
systbl.S [POWERPC] Align the sys_call_table 2007-10-11 14:36:47 +10:00
systbl_chk.c [POWERPC] Fix a couple of copyright symbols 2008-01-25 22:52:50 +11:00
systbl_chk.sh [POWERPC] Fix a couple of copyright symbols 2008-01-25 22:52:50 +11:00
tau_6xx.c tree-wide: fix assorted typos all over the place 2009-12-04 15:39:55 +01:00
time.c irq_work: Add generic hardirq context callbacks 2010-10-18 19:58:50 +02:00
traps.c powerpc/book3e: Move doorbell_exception from traps.c to dbell.c 2010-07-09 15:25:18 +10:00
udbg.c powerpc: gamecube/wii: early debugging using usbgecko 2009-12-12 22:24:31 -07:00
udbg_16550.c trivial: fix typo "for for" in multiple files 2009-09-21 15:14:54 +02:00
vdso.c lmb: rename to memblock 2010-07-14 17:14:00 +10:00
vecemu.c
vector.S powerpc: Fix usage of 64-bit instruction in 32-bit altivec code 2009-12-09 18:10:12 +11:00
vio.c powerpc: Fix bogus it_blocksize in VIO iommu code 2010-08-24 15:26:31 +10:00
vmlinux.lds.S Rename .data.read_mostly to .data..read_mostly. 2010-03-03 11:26:00 +01:00