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| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-04-06 14:35:07 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-04-13 08:49:23 (GMT) |
| commit | e465de1cd5e1759e40f077bac287de60d56ad06c (patch) | |
| tree | 47a1a3f9bd2f87cc4efc86ea35f5cd56413a0e05 /arch/x86/events/intel/pt.c | |
| parent | dac429874d8156d97460c61049e202b2dcc15df8 (diff) | |
| download | linux-e465de1cd5e1759e40f077bac287de60d56ad06c.tar.xz | |
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>
Diffstat (limited to 'arch/x86/events/intel/pt.c')
| -rw-r--r-- | arch/x86/events/intel/pt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 127f58c..1aefd43 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -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(); |