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perf/x86/intel/pt: Use boot_cpu_has() because it's there 

At the moment, initialization path is using test_cpu_cap(&boot_cpu_data),
to detect PT, which is just open coding boot_cpu_has(). Use the latter
instead.

Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Acked-by: Borislav Petkov <bp@suse.de>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: eranian@google.com
Cc: vince@deater.net
Link: http://lkml.kernel.org/r/1459953307-14372-1-git-send-email-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Alexander Shishkin 2016-04-06 17:35:07 +03:00 committed by Ingo Molnar
parent dac429874d
commit e465de1cd5
1 changed files with 1 additions and 1 deletions
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2
arch/x86/events/intel/pt.c
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@ -1106,7 +1106,7 @@ static __init int pt_init(void)
BUILD_BUG_ON(sizeof(struct topa) > PAGE_SIZE);
if (!test_cpu_cap(&boot_cpu_data, X86_FEATURE_INTEL_PT))
if (!boot_cpu_has(X86_FEATURE_INTEL_PT))
return -ENODEV;
get_online_cpus();