From: Borislav Petkov <bp@alien8.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@amacapital.net>,
Brian Gerst <brgerst@gmail.com>, X86 ML <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 6/6] x86/vdso: Use static_cpu_has()
Date: Sun, 24 Jan 2016 10:28:48 +0100 [thread overview]
Message-ID: <1453627728-27197-7-git-send-email-bp@alien8.de> (raw)
In-Reply-To: <1453627728-27197-1-git-send-email-bp@alien8.de>
From: Borislav Petkov <bp@suse.de>
... and simplify and speed up a tad.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
---
arch/x86/entry/vdso/vma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
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);
/*
--
2.3.5
next prev parent reply other threads:[~2016-01-24 9:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-24 9:28 [PATCH 0/6] x86/cpufeature: Cleanups and improvements v1 Borislav Petkov
2016-01-24 9:28 ` [PATCH 1/6] x86/cpufeature: Carve out X86_FEATURE_* Borislav Petkov
2016-01-24 9:28 ` [PATCH 2/6] x86/cpufeature: Replace the old static_cpu_has() with safe variant Borislav Petkov
2016-01-24 9:28 ` [PATCH 3/6] x86/cpufeature: Get rid of the non-asm goto variant Borislav Petkov
2016-01-24 9:28 ` [PATCH 4/6] x86/alternatives: Add an auxilary section Borislav Petkov
2016-01-24 9:28 ` [PATCH 5/6] x86/alternatives: Discard dynamic check after init Borislav Petkov
2016-01-24 9:28 ` Borislav Petkov [this message]
2016-01-25 18:45 ` [PATCH 6/6] x86/vdso: Use static_cpu_has() Andy Lutomirski
2016-01-25 18:58 ` Borislav Petkov
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