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ARM: 7441/1: perf: return -EOPNOTSUPP if requested mode exclusion is unavailable
authorWill Deacon <will.deacon@arm.com>
Wed, 4 Jul 2012 17:15:42 +0000 (18:15 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 5 Jul 2012 08:50:56 +0000 (09:50 +0100)
commitfdeb8e35fd59e79dec385f98eb4b6d2e3398264b
treede9be588521f924f0b1c11d8f66a4c9b83543871tree
parent433e2f307beff8adba241646ce9108544e0c5a03commit | diff
ARM: 7441/1: perf: return -EOPNOTSUPP if requested mode exclusion is unavailable

We currently return -EPERM if the user requests mode exclusion that is
not supported by the CPU. This looks pretty confusing from userspace
and is inconsistent with other architectures (ppc, x86).

This patch returns -EOPNOTSUPP instead.

Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/kernel/perf_event.c diff | blob | blame | history
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