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Message-ID: <20131011054655.GA28077@gmail.com>
Date: Fri, 11 Oct 2013 07:46:55 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Fengguang Wu <fengguang.wu@...el.com>,
Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Jakub Jelinek <jakub@...hat.com>,
Richard Henderson <rth@...ddle.net>,
Peter Zijlstra <peterz@...radead.org>,
Oleg Nesterov <oleg@...hat.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH, -v3] compiler/gcc4: Add quirk for 'asm goto'
miscompilation bug
* Fengguang Wu <fengguang.wu@...el.com> wrote:
> > Indeed. Something like the updated version below?
> >
> > [ I kept the asm_volatile_goto() naming to make sure the implicit volatile
> > is visible. ]
>
> Ingo, I applied this patch (as commit c015a7f0b746) on top of
> tip/sched/core
>
> 3354781a2184 "sched/numa: Reflow task_numa_group() to avoid a compiler warning"
>
> The below results show that it does fixed the many oops:
Thanks Fengguang!
I've added your Tested-by tag as well and have split the patch in two
parts: the upstream part with a -stable tag and the rmwcc.h part that goes
into the scheduler tree.
If there are no objections I will send a pull request for the upstream
part to Linus later today.
Thanks,
Ingo
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