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From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: mingo@kernel.org, hpa@zytor.com, eranian@google.com,
	linux-kernel@vger.kernel.org, fweisbec@gmail.com,
	akpm@linux-foundation.org, tglx@linutronix.de,
	linux-tip-commits@vger.kernel.org,
	Robert Richter <robert.richter@amd.com>
Subject: Re: [tip:perf/core] perf/x86: Fix USER/KERNEL tagging of samples
Date: Tue, 10 Jul 2012 11:52:32 +0200
Message-ID: <1341913952.3462.106.camel@twins> (raw)
In-Reply-To: <1341913846.3462.105.camel@twins>

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.

  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-06  6:20 tip-bot for Peter Zijlstra
2012-07-06 16:29 ` Linus Torvalds
2012-07-06 18:12   ` Peter Zijlstra
2012-07-06 18:16     ` Linus Torvalds
2012-07-06 18:34       ` Linus Torvalds
2012-07-06 20:48         ` Peter Zijlstra
2012-07-06 20:59           ` Linus Torvalds
2012-07-09 11:23         ` Peter Zijlstra
2012-07-09 17:55           ` Linus Torvalds
2012-07-10  9:02             ` Peter Zijlstra
2012-07-10  9:48               ` Ingo Molnar
2012-07-10  9:50               ` Peter Zijlstra
2012-07-10  9:52                 ` Peter Zijlstra [this message]
2012-07-10  9:55                 ` Ingo Molnar
2012-07-31 17:57               ` [tip:perf/urgent] perf/x86: Fix USER/ KERNEL tagging of samples properly tip-bot for Peter Zijlstra
2012-07-09 18:41           ` [tip:perf/core] perf/x86: Fix USER/KERNEL tagging of samples Ingo Molnar
2012-07-10  7:54             ` Peter Zijlstra
2012-07-10  8:02               ` Ingo Molnar
2012-07-10  8:21               ` Ingo Molnar
2012-07-10  8:52                 ` Peter Zijlstra
2012-07-10  9:48                   ` Ingo Molnar
2012-07-31 18:11                     ` H. Peter Anvin

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