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author | Michael Ellerman <michael@ellerman.id.au> | 2013-06-28 08:15:13 (GMT) |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-07-01 01:50:00 (GMT) |
commit | 0a48843d6c5114cfa4a9540ee4d6af87628cec01 (patch) | |
tree | 4b9e97aa1629dc7a3c039a1a13f9605acd39f8ec /arch | |
parent | 7a7a41f9d5b28ac3a916b057a7d3cd3f435ee9a6 (diff) | |
download | linux-fsl-qoriq-0a48843d6c5114cfa4a9540ee4d6af87628cec01.tar.xz |
powerpc/perf: Use existing out label in power_pmu_enable()
In power_pmu_enable() we can use the existing out label to reduce the
number of return paths.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
CC: <stable@vger.kernel.org> [v3.10]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/perf/core-book3s.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 517a135..1bb26d5 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -919,12 +919,13 @@ static void power_pmu_enable(struct pmu *pmu) if (!ppmu) return; + local_irq_save(flags); + cpuhw = &__get_cpu_var(cpu_hw_events); - if (!cpuhw->disabled) { - local_irq_restore(flags); - return; - } + if (!cpuhw->disabled) + goto out; + cpuhw->disabled = 0; /* |