linux-kernel - Re: [tip:perf/core] perf/x86: Fix USER/KERNEL tagging of samples

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Message-ID: <1341913952.3462.106.camel@twins>
Date:	Tue, 10 Jul 2012 11:52:32 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	mingo@...nel.org, hpa@...or.com, eranian@...gle.com,
	linux-kernel@...r.kernel.org, fweisbec@...il.com,
	akpm@...ux-foundation.org, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org,
	Robert Richter <robert.richter@....com>
Subject: Re: [tip:perf/core] perf/x86: Fix USER/KERNEL tagging of samples

On Tue, 2012-07-10 at 11:50 +0200, Peter Zijlstra wrote:
> +       if (regs->cs != __USER32_CS && regs->cs != __USER_CS)
> +               return 0;
> +
> +       if (regs->ss != __USER32_DS && regs->ss != __USER_DS)
> +               return 0; 

Those should be return 1, they are a 32bit callchain, we just don't do
anything with it.
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