s390/cpum_sf: Use kzalloc and minor changes

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Use kzalloc() to allocate auxiliary buffer structure initialized
with all zeroes to avoid random value in trace output.

Avoid double access to SBD hardware flags.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Thomas Richter 2019-12-19 14:56:13 +01:00 • committed by Vasily Gorbik

parent ee5c4ccfd5

commit 32dab6828c

1 changed files with 4 additions and 5 deletions

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arch/s390/kernel/perf_cpum_sf.c

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