diff options
| author | Borislav Petkov <bp@suse.de> | 2018-07-14 02:27:37 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-17 11:31:45 +0200 |
| commit | 7b354f89fd5a538ced93afd5563e77b85eadb669 (patch) | |
| tree | afa83c5c92ad46852c4ec072eba47fad9bf192cc | |
| parent | e23a6fee67677b5c6f9a9d65254d01b7b39b747b (diff) | |
x86/vdso: Use static_cpu_has()
commit 8c725306993198f845038dc9e45a1267099867a6 upstream
... and simplify and speed up a tad.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1453842730-28463-10-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Srivatsa S. Bhat <srivatsa@csail.mit.edu>
Reviewed-by: Matt Helsley (VMware) <matt.helsley@gmail.com>
Reviewed-by: Alexey Makhalov <amakhalov@vmware.com>
Reviewed-by: Bo Gan <ganb@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | arch/x86/entry/vdso/vma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 5471ac362147..6b46648588d8 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -255,7 +255,7 @@ static void vgetcpu_cpu_init(void *arg) #ifdef CONFIG_NUMA node = cpu_to_node(cpu); #endif - if (cpu_has(&cpu_data(cpu), X86_FEATURE_RDTSCP)) + if (static_cpu_has(X86_FEATURE_RDTSCP)) write_rdtscp_aux((node << 12) | cpu); /* |