linux-kernel - Re: [PATCH] perf tools: Fix lockup using 32-bit compat vdso

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Date:	Tue, 7 Jul 2015 11:05:52 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Adrian Hunter <adrian.hunter@...el.com>
Cc:	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	David Ahern <dsahern@...il.com>
Subject: Re: [PATCH] perf tools: Fix lockup using 32-bit compat vdso

Em Tue, Jul 07, 2015 at 02:13:38PM +0300, Adrian Hunter escreveu:
> __machine__findnew_compat() is called only from
> __machine__findnew_vdso_compat() which is called
> only from machine__findnew_vdso() which already
> holds machine->dsos.lock, so remove locking from
> __machine__findnew_compat().
> 
> This manifests itself tracing 32-bit programs
> with a 64-bit perf.

Thanks, applying it to my perf/urgent branch.

- Arnaldo
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