On Mon, 2013-08-05 at 10:21 +0200, Ingo Molnar wrote: > * Li Zefan <lizefan@xxxxxxxxxx> wrote: > > > Plese consider adding commit 0231bb5336758426b44ccd798ccd3c5419c95d58 > > to stable tree. It fixes a real bug, which was explained here: > > > > http://thread.gmane.org/gmane.linux.kernel.perf.user/1144 > > > > and I've managed to reproduce the bug in 3.4 kernel with the test > > program attached in the above email, and I've confirmed the bug fix. > > > > The effect of the bug is, if we open a group of mixed events(sw/hw) > > and the "disabled" flag is not set and sw events come first, then > > some of the perf events won't be started after the call to perf_event_open(). > > > > The bug fix should be applicable to kernels >= 3.0 && <= 3.7. > > Acked-by: Ingo Molnar <mingo@xxxxxxxxxx> Queued up for 3.2, thanks. Ben. -- Ben Hutchings If God had intended Man to program, we'd have been born with serial I/O ports.
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