Re: stable: please queue commit 0231bb5 ("perf: Fix event groupcontext move")

[Ingo Molnar]

* 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>

Thanks,

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/