Stephane Eranian 447a194b39 perf_events, x86: Fix bug in hw_perf_enable() ... We cannot assume that because hwc->idx == assign[i], we can avoid reprogramming the counter in hw_perf_enable(). The event may have been scheduled out and another event may have been programmed into this counter. Thus, we need a more robust way of verifying if the counter still contains config/data related to an event. This patch adds a generation number to each counter on each cpu. Using this mechanism we can verify reliabilty whether the content of a counter corresponds to an event. Signed-off-by: Stephane Eranian <eranian@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <4b66dc67.0b38560a.1635.ffffae18@mx.google.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>		2010-02-04 09:59:50 +01:00
..
acpi	Merge branch 'bugzilla-14483' into release	2010-01-20 01:14:50 -05:00
asm-generic	fix up O_SYNC comments	2009-12-17 11:03:24 -05:00
crypto
drm	Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6	2010-01-25 18:59:47 -08:00
keys
linux	perf_events, x86: Fix bug in hw_perf_enable()	2010-02-04 09:59:50 +01:00
math-emu
media
mtd
net	netns xfrm: deal with dst entries in netns	2010-01-24 22:47:53 -08:00
pcmcia
rdma
rxrpc
scsi	libsrp: fix compile failure	2009-12-30 12:23:27 -08:00
sound
trace	perf lock: Enhance information of lock trace events	2010-01-31 09:08:23 +01:00
video
xen
Kbuild