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authorBorislav Petkov <bp@suse.de>2016-01-26 22:12:09 +0100
committerIngo Molnar <mingo@kernel.org>2016-01-30 11:22:23 +0100
commit8c725306993198f845038dc9e45a1267099867a6 (patch)
treeccd8b38dd83207cdbb83639141df969d3aa41f1c /arch/x86/entry
parentx86/alternatives: Discard dynamic check after init (diff)
downloadlinux-8c725306993198f845038dc9e45a1267099867a6.tar.xz
linux-8c725306993198f845038dc9e45a1267099867a6.zip
x86/vdso: Use static_cpu_has()
... 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>
Diffstat (limited to 'arch/x86/entry')
-rw-r--r--arch/x86/entry/vdso/vma.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 429d54d01b38..10f704584922 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -285,7 +285,7 @@ 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);
/*