Peter Zijlstra a2e87d06dd perf_counter: update mmap() counter read, take 2 ... Update the userspace read method. Paul noted that: - userspace cannot observe ->lock & 1 on the same cpu. - we need a barrier() between reading ->lock and ->index to ensure we read them in that prticular order. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> LKML-Reference: <20090406094517.368446033@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2009-04-07 10:48:54 +02:00
..
acpi	ACPI: support acpi_device_ops .notify methods	2009-04-05 02:25:07 -04:00
asm-arm
asm-frv	Merge branch 'tracing/core-v2' into tracing-for-linus	2009-04-02 00:49:02 +02:00
asm-generic	Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-05 11:04:19 -07:00
asm-h8300
asm-m32r	Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-05 11:04:19 -07:00
asm-mn10300	Merge branch 'tracing/core-v2' into tracing-for-linus	2009-04-02 00:49:02 +02:00
crypto
drm	drm: remove unused "can_grow" parameter from drm_crtc_helper_initial_config	2009-04-03 10:21:44 +10:00
keys
linux	perf_counter: update mmap() counter read, take 2	2009-04-07 10:48:54 +02:00
math-emu
media
mtd
net	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2009-04-02 21:05:30 -07:00
pcmcia
rdma
rxrpc
scsi
sound
trace	tracing, net: fix net tree and tracing tree merge interaction	2009-04-02 00:50:30 +02:00
video	fbdev: update s1d13xxxfb to differ between revisions and production ids	2009-04-01 08:59:32 -07:00
xen
Kbuild