From: Arun Sharma <asharma@fb.com>
Date: Fri, 20 Apr 2012 22:41:34 +0000 (-0700)
Subject: perf: Limit callchains to 127
X-Git-Tag: v3.5-rc2~10^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b0d9cf6ec7bab91977da2d71c09157f110f7c2e;p=pandora-kernel.git

perf: Limit callchains to 127

Stack depth of 255 seems excessive, given that copy_from_user_nmi()
could be slow.

Signed-off-by: Arun Sharma <asharma@fb.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1334961696-19580-3-git-send-email-asharma@fb.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---

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