linux-kernel - Re: [Bug] ARM 'perf' regression by commit a43cb95d5

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Date:	Fri, 17 May 2013 10:28:23 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Tejun Heo <tj@...nel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Will Deacon <will.deacon@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [Bug] ARM 'perf' regression by commit a43cb95d5

On Fri, May 17, 2013 at 10:16 AM, Ming Lei <ming.lei@...onical.com> wrote:
> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
> index f219703..89bc3a4 100644
> --- a/arch/arm/kernel/process.c
> +++ b/arch/arm/kernel/process.c
> @@ -225,7 +225,7 @@ void __show_regs(struct pt_regs *regs)
>         unsigned long flags;
>         char buf[64];
>
> -       show_regs_print_info(KERN_DEFAULT);
> +       //show_regs_print_info(KERN_DEFAULT);

Forget to mention, __show_regs() isn't run under both cases.

Thanks,
--
Ming Lei
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