linux-kernel - Re: [PATCH] perf kvm: fix segfault with default guest arguments

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Message-ID: <4FE85EB6.80908@gmail.com>
Date:	Mon, 25 Jun 2012 06:51:02 -0600
From:	David Ahern <dsahern@...il.com>
To:	Namhyung Kim <namhyung@...nel.org>
CC:	linux-kernel@...r.kernel.org, psuriset@...ux.vnet.ibm.com,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] perf kvm: fix segfault with default guest arguments

On 6/25/12 2:39 AM, Namhyung Kim wrote
>
> I don't know about the kvm, but isn't there a possibility that the same
> thing happends on other types of event too - i.e. comm, fork, exit..?

COMM, FORK, EXIT events cannot be generated in the guest of a guest; 
host machine is always non-NULL.

David
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