From: Peter Zijlstra <peterz@infradead.org>
To: Sasha Levin <sasha.levin@oracle.com>
Cc: paulus@samba.org, Ingo Molnar <mingo@kernel.org>,
acme@ghostprotocols.net, Tejun Heo <tj@kernel.org>,
cl@linux-foundation.org, LKML <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
trinity@vger.kernel.org
Subject: Re: perf, percpu: panic in account_event
Date: Mon, 12 Aug 2013 11:23:53 +0200 [thread overview]
Message-ID: <20130812092353.GC27162@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <520016D6.8010603@oracle.com>
On Mon, Aug 05, 2013 at 05:19:18PM -0400, Sasha Levin wrote:
> Hi all,
>
> While fuzzing with trinity inside a KVM tools guest running latest -next kernel,
> I've stumbled on the following spew.
>
> It seems to happen on the following line in account_event():
>
> if (event->attr.freq)
> atomic_inc(&per_cpu(perf_freq_events, cpu)); <--- here
>
Right, Frederic even send a fix for this already. I suppose holidays got
in the way of getting it merged quickly though, sorry for that.
Merged his fix, will hopefully get it into tip soon.
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prev parent reply other threads:[~2013-08-12 9:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-05 21:19 Sasha Levin
2013-08-12 9:23 ` Peter Zijlstra [this message]
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