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From: Eric Dumazet <>
To: Stephane Eranian <>
Subject: Re: [PATCH v2] perf: fix assertion failure in x86_pmu_start()
Date: Tue, 07 Feb 2012 15:36:13 +0100	[thread overview]
Message-ID: <1328625373.3443.8.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> (raw)
In-Reply-To: <20120207133956.GA4932@quad>

Le mardi 07 février 2012 à 14:39 +0100, Stephane Eranian a écrit :
> The following patch fixes an issue introduced by the following
> commit:
>         e050e3f0a71b ("perf: Fix broken interrupt rate throttling")
> The patch caused the following warning to pop up depending on
> the sampling frequency adjustments:

> In this second version, we've added calls to disable/enable PMU during
> unthrottling or frequency adjustment based on bug report of spurious
> NMI interrupts from Eric Dumazet.
> Signed-off-by: Stephane Eranian <>
> ---

I tested successfully this patch on my two dev machines, thanks for
fixing this Stephane.

Reported-and-tested-by: Eric Dumazet <>

  reply	other threads:[~2012-02-07 14:36 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-07 13:39 Stephane Eranian
2012-02-07 14:36 ` Eric Dumazet [this message]
2012-02-07 19:44 ` [tip:perf/urgent] perf: Fix double start/stop " tip-bot for Stephane Eranian

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