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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
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accessibility
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acpi Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 2011-05-29 11:19:16 -07:00
amba ARM: 6829/1: amba: make hardcoded periphid override hardware 2011-05-26 10:33:34 +01:00
ata pata_marvell: Add support for 88SE91A0, 88SE91A4 2011-06-24 02:07:35 -04:00
atm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2011-05-20 13:43:21 -07:00
auxdisplay
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base PM / Runtime: Handle clocks correctly if CONFIG_PM_RUNTIME is unset 2011-06-21 23:24:33 +02:00
bcma drivers/bcma/host_pci.c needs slab.h 2011-05-26 17:12:32 -07:00
block Merge branch 'for-linus' of git://git.kernel.dk/linux-block 2011-06-04 08:11:26 +09:00
bluetooth Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem 2011-06-17 12:40:36 -04:00
cdrom block: fix mismerge of the DISK_EVENT_MEDIA_CHANGE removal 2011-06-02 05:29:19 +09:00
char drivers/char/hpet.c: fix periodic-emulation for delayed interrupts 2011-06-15 20:04:02 -07:00
clk
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clocksource Revert "clocksource: sh_cmt: Runtime PM support" 2011-05-31 15:26:42 +09:00
connector
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cpufreq [CPUFREQ] powernow-k8: Don't try to transition if the pstate is incorrect 2011-06-16 16:31:13 -04:00
cpuidle Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6 2011-05-29 11:18:09 -07:00
crypto [S390] ap: skip device registration on type probe failure 2011-05-23 10:24:29 +02:00
dca
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dio
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dma dmaengine: shdma: SH_DMAC_MAX_CHANNELS message fix 2011-06-14 15:03:07 +09:00
edac edac,rcu: use synchronize_rcu() instead of call_rcu()+rcu_barrier() 2011-05-26 17:12:37 -07:00
eisa
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firewire
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firmware iscsi_ibft: iscsi_ibft_find unused variable i 2011-06-09 09:05:12 -04:00
gpio gpio/omap4: Fix missing interrupts during device wakeup due to IOPAD. 2011-06-16 08:40:43 -06:00
gpu drm/i915: more struct_mutex locking 2011-06-27 18:00:14 -07:00
hid HID: hid-multitouch: add support for a new Lumio dual-touch panel 2011-06-24 13:41:11 +02:00
hwmon hwmon: (s3c) Initialize sysfs attributes 2011-06-17 23:22:27 -07:00
hwspinlock
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i2c mfd: Use mfd cell platform_data for timberdale cells platform bits 2011-05-26 19:45:05 +02:00
ide ide-cd: signedness warning fix again 2011-06-11 15:06:48 -07:00
idle
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ieee802154
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infiniband Merge branches 'cxgb4' and 'qib' into for-next 2011-06-17 11:57:55 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2011-06-20 08:59:46 -07:00
isdn gigaset: call module_put before restart of if_open() 2011-06-17 15:27:32 -04:00
leds drivers/leds/leds-lp5523.c: fix section mismatches 2011-06-27 18:00:13 -07:00
lguest
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macintosh Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-05-23 09:12:26 -07:00
mca
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md md/raid5: remove unusual use of bio_iovec_idx() 2011-06-14 14:23:57 +10:00
media Merge branch 'staging-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6 2011-06-09 13:09:07 -07:00
memstick
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message Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2011-05-23 09:12:26 -07:00
mfd mfd: Fix build breakage caused by tps65910 gpio directory move 2011-05-28 08:38:55 +02:00
misc drivers/misc/ioc4.c: fix section mismatch / race condition 2011-06-27 18:00:13 -07:00
mmc mmc: queue: bring discard_granularity/alignment into line with SCSI 2011-06-25 18:53:05 -04:00
mtd Merge git://git.infradead.org/mtd-2.6 2011-05-27 20:06:53 -07:00
net pxa168_eth: fix race in transmit path. 2011-06-20 14:02:07 -07:00
nfc
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nubus
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of 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
oprofile perf: Add context field to perf_event 2011-07-01 11:06:38 +02:00
parisc
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parport Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6 2011-05-26 13:19:00 -07:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc 2011-06-27 14:55:43 -07:00
pcmcia gpio: include linux/gpio.h where needed 2011-06-16 08:40:44 -06:00
platform Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86 2011-05-29 11:44:33 -07:00
pnp
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power Merge git://git.infradead.org/battery-2.6 2011-05-27 10:12:35 -07:00
pps
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ps3
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ptp ptp: Fix some locking bugs in ptp_read() 2011-06-01 19:29:10 -07:00
rapidio rapidio: fix default routing initialization 2011-05-18 02:55:22 -07:00
regulator regulator: Fix _regulator_get_voltage if get_voltage callback is NULL 2011-05-27 10:49:30 +01:00
rtc drivers/rtc/rtc-ds1307.c: add support for RTC device pt7c4338 2011-06-27 18:00:12 -07:00
s390 [S390] qdio: Split SBAL entry flags 2011-06-06 14:14:56 +02:00
sbus
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scsi [SCSI] Fix oops caused by queue refcounting failure 2011-06-02 18:34:43 +09:00
sfi
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sh drivers: sh: resume enabled clocks fix 2011-06-14 15:15:25 +09:00
sn
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spi spi/bfin_spi: fix handling of default bits per word setting 2011-06-17 08:27:27 -06:00
ssb ssb: fix PCI(e) driver regression causing oops on PCI cards 2011-06-03 14:19:49 -04:00
staging staging: fix iio builds when IIO_RING_BUFFER is not enabled 2011-06-16 08:29:00 -07:00
target tcm_fc: Fix conversion spec warning 2011-06-24 00:09:16 +00:00
tc
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telephony
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thermal
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tty drivers/tty/serial/8250_pci.c: fix warning 2011-06-27 18:00:13 -07:00
uio
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usb PM: Rename dev_pm_info.in_suspend to is_prepared 2011-06-21 23:19:50 +02:00
uwb
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vhost vhost: support event index 2011-05-30 11:14:15 +09:30
video Merge branch 'fbdev-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/fbdev-3.x 2011-06-16 09:45:47 -07:00
virtio virtio: add api for delayed callbacks 2011-05-30 11:14:16 +09:30
vlynq
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w1 w1: W1_MASTER_DS1WM should depend on GENERIC_HARDIRQS 2011-06-15 20:04:00 -07:00
watchdog mfd: Use mfd cell platform_data for rdc321x cells platform bits 2011-05-26 19:45:06 +02:00
xen Merge branch 'stable/bug.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen 2011-06-20 09:01:33 -07:00
zorro
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Kconfig ptp: Added a brand new class driver for ptp clocks. 2011-05-23 13:01:00 -07:00
Makefile Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2011-05-28 12:35:15 -07:00