From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Mon, 8 Jun 2009 18:11:57 +0000 (+0300)
Subject: perf_counter: Add mmap event hooks to mprotect()
X-Git-Tag: v2.6.31-rc1~383^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dab5855b12411334355ba21349a06700e4ae7a3b;p=pandora-kernel.git

perf_counter: Add mmap event hooks to mprotect()

Some JIT compilers allocate memory for generated code with
posix_memalign() + mprotect() so we need to hook into mprotect()
to make sure 'perf' is aware that we're executing code in
anonymous memory.

[ penberg@cs.helsinki.fi: move the hook to sys_mprotect() ]
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <Pine.LNX.4.64.0906082111030.12407@melkki.cs.Helsinki.FI>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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