From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Wed, 9 Nov 2011 16:56:37 +0000 (+0100)
Subject: perf: Don't use -ENOSPC for out of PMU resources
X-Git-Tag: v3.2-rc5~42^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa2bc1ade59003a379ffc485d6da2d92ea3370a6;p=pandora-kernel.git

perf: Don't use -ENOSPC for out of PMU resources

People (Linus) objected to using -ENOSPC to signal not having enough
resources on the PMU to satisfy the request. Use -EINVAL.

Requested-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Deng-Cheng Zhu <dengcheng.zhu@gmail.com>
Cc: David Daney <david.daney@cavium.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-xv8geaz2zpbjhlx0svmpp28n@git.kernel.org
[ merged to newer kernel, fixed up MIPS impact ]
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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