Re: [GIT pull] perf fixes for 4.4

From: Ingo Molnar
Date: Sun Dec 06 2015 - 06:55:05 EST



* Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:

> Linus,
>
> please pull the latest perf-urgent-for-linus git tree from:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf-urgent-for-linus
>
> Some more perf fixes:
>
> - Properly read lock RCU in the cgroup perf context switch code.
>
> - Fix a LBR call stack regression.
>
> - Improve precice instruction sampling on modern Intel machines.

Linus, please hold up on pulling these bits - I just found out that this commit
(4576ceaa56a8) regresses on older machines. I also don't know what I was thinking
merging this into perf/urgent so late ...

I'll sort it out, but please don't pull it for the time being. Sorry about that!

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/