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Avi Kivity 4dc0da8696 perf: Add context field to perf_event 
The perf_event overflow handler does not receive any caller-derived
argument, so many callers need to resort to looking up the perf_event
in their local data structure.  This is ugly and doesn't scale if a
single callback services many perf_events.

Fix by adding a context parameter to perf_event_create_kernel_counter()
(and derived hardware breakpoints APIs) and storing it in the perf_event.
The field can be accessed from the callback as event->overflow_handler_context.
All callers are updated.

Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1309362157-6596-2-git-send-email-avi@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
 		2011-07-01 11:06:38 +02:00
..
.gitignore [ARM] 5194/1: update .gitignore 2008-08-12 19:54:09 +01:00
Makefile Merge branches 'devel', 'devel-stable' and 'fixes' into for-linus 2011-05-27 22:59:57 +01:00
armksyms.c Merge branch 'p2v' into devel 2011-03-16 23:35:27 +00:00
arthur.c [ARM] arm/kernel/arthur.c: add MODULE_LICENSE 2008-05-17 22:55:16 +01:00
asm-offsets.c ARM: pm: add generic CPU suspend/resume support 2011-02-22 17:11:23 +00:00
atags.c clean up atags exporting code 2008-05-30 10:33:49 +02:00
atags.h [ARM] 4736/1: Export atags to userspace and allow kexec to use customised atags 2008-02-04 13:21:03 +00:00
bios32.c arm: bios32: Remove non exisiting machine code 2011-03-29 14:47:50 +02:00
calls.S Merge branch 'setns' 2011-05-28 10:51:01 -07:00
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 [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
crunch.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00
debug.S ARM: 6826/1: Merge v6 and v7 DEBUG_LL DCC support 2011-03-28 19:01:43 +01:00
devtree.c ARM: 6953/1: DT: don't try to access physical address zero 2011-06-09 10:15:06 +01:00
dma-isa.c ARM: dma-isa: request cascade channel after registering it 2009-12-24 18:34:08 +00:00
dma.c ARM: dma: add /proc/dma support to arch/arm/kernel/dma.c 2010-04-14 13:13:30 +01:00
early_printk.c ARM: Add an earlyprintk debug console 2009-12-09 10:02:18 +00:00
ecard.c arm: Fold irq_set_chip/irq_set_handler 2011-03-29 14:47:58 +02:00
ecard.h [ARM] rpc: ecard: remove deprecated ecard_address() and relatives 2008-07-03 14:25:58 +01:00
elf.c ARM: 6878/1: fix personality flag propagation across an exec 2011-04-14 09:15:24 +01:00
entry-armv.S ARM: 6952/1: fix lockdep warning of "unannotated irqs-off" 2011-06-06 10:56:22 +01:00
entry-common.S ARM: 6952/1: fix lockdep warning of "unannotated irqs-off" 2011-06-06 10:56:22 +01:00
entry-header.S ARM: v6k: select clear exclusive code seqences according to V6 variants 2011-02-02 21:23:28 +00:00
etm.c ARM: 6838/1: etm: fix section mismatch warning 2011-03-28 19:01:17 +01:00
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: Defer lookup of machine_type to setup.c 2011-02-15 16:36:44 +00:00
head.S Merge branches 'devel', 'devel-stable' and 'fixes' into for-linus 2011-05-27 22:59:57 +01:00
hw_breakpoint.c ARM: 6864/1: hw_breakpoint: clear DBGVCR out of reset 2011-04-10 21:13:35 +01:00
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 asm/io.h to linux/io.h 2008-09-06 12:10:45 +01:00
irq.c arm: Use generic show_interrupts() 2011-03-29 14:47:57 +02:00
isa.c sysctl: Drop & in front of every proc_handler. 2009-11-18 08:37:40 -08:00
iwmmxt.S ARM: pxa: add iwmmx support for PJ4 2010-12-20 23:07:36 +08:00
kgdb.c kgdb,arm: fix register dump 2010-10-29 13:14:40 -05:00
kprobes-decode.c ARM: kprobes: Tidy-up kprobes-decode.c 2011-04-28 23:41:01 -04:00
kprobes.c ARM: kprobes: Fix probing of conditionally executed instructions 2011-04-28 23:40:54 -04:00
leds.c ARM: Use struct syscore_ops instead of sysdevs for PM in common code 2011-04-24 19:16:08 +02:00
machine_kexec.c [ARM] add machine-specific hook to machine_kexec 2011-03-03 16:26:55 -05:00
module.c ARM: 6963/1: Thumb-2: Relax relocation requirements for non-function symbols 2011-06-17 11:25:04 +01:00
perf_event.c ARM: 6902/1: perf: Remove erroneous check on active_events 2011-05-20 22:39:17 +01:00
perf_event_v6.c perf, arch: Add generic NODE cache events 2011-07-01 11:06:38 +02:00
perf_event_v7.c perf, arch: Add generic NODE cache events 2011-07-01 11:06:38 +02:00
perf_event_xscale.c perf, arch: Add generic NODE cache events 2011-07-01 11:06:38 +02:00
pj4-cp0.c ARM: pxa: add iwmmx support for PJ4 2010-12-20 23:07:36 +08:00
pmu.c ARM: 6742/1: pmu: avoid setting IRQ affinity on UP systems 2011-02-19 11:24:05 +00:00
process.c ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooks 2011-04-10 21:13:36 +01:00
ptrace.c perf: Add context field to perf_event 2011-07-01 11:06:38 +02:00
relocate_kernel.S ARM: 6497/1: kexec: Correct data alignment for CONFIG_THUMB2_KERNEL 2010-11-30 13:44:23 +00:00
return_address.c ARM: fix some sparse errors in generic ARM code 2011-02-23 17:24:12 +00:00
sched_clock.c ARM: sched_clock: make minsec argument to clocks_calc_mult_shift() zero 2011-01-11 16:44:02 +00:00
setup.c Merge branch 'devicetree/arm-next' of git://git.secretlab.ca/git/linux-2.6 into devel-stable 2011-05-25 00:08:17 +01:00
signal.c ARM: 6892/1: handle ptrace requests to change PC during interrupted system calls 2011-05-12 10:52:00 +01:00
signal.h ARM: Fix signal restart issues with NX and OABI compat 2009-10-25 15:39:37 +00:00
sleep.S ARM: 6825/1: kernel/sleep.S: fix Thumb2 compilation issues 2011-03-26 10:06:08 +00:00
smp.c ARM: SMP: wait for CPU to be marked active 2011-06-21 11:09:05 +01:00
smp_scu.c ARM: pm: add function to set WFI low-power mode for SMP CPUs 2011-02-11 12:29:18 +00:00
smp_tlb.c ARM: SMP: split out software TLB maintainence broadcasting 2010-12-20 15:09:17 +00:00
smp_twd.c ARM: twd: ensure timer reload is reprogrammed on entry to periodic mode 2011-01-25 21:17:58 +00:00
stacktrace.c ARM: fix /proc/$PID/stack on SMP 2011-01-15 09:27:04 +00:00
swp_emulate.c perf: Remove the nmi parameter from the swevent and overflow interface 2011-07-01 11:06:35 +02:00
sys_arm.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
sys_oabi-compat.c ARM: 6891/1: prevent heap corruption in OABI semtimedop 2011-04-29 15:53:14 +01:00
tcm.c ARM: P2V: separate PHYS_OFFSET from platform definitions 2011-02-17 23:26:55 +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: Use struct syscore_ops instead of sysdevs for PM in common code 2011-04-24 19:16:08 +02:00
traps.c ARM: extend Code: line by one 16-bit quantity for Thumb instructions 2011-06-09 23:55:45 +01:00
unwind.c ARM: 6468/1: backtrace: fix calculation of thread stack base 2010-11-07 16:12:37 +00:00
vmlinux.lds.S percpu: Always align percpu output section to PAGE_SIZE 2011-03-24 18:50:09 +01:00
xscale-cp0.c ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread() 2009-12-18 14:53:41 +00:00