Commit-ID: 61a492fb1759f3e892ad0408e36d3575c5f890d0 Gitweb: http://git.kernel.org/tip/61a492fb1759f3e892ad0408e36d3575c5f890d0 Author: Andy Lutomirski <luto@xxxxxxxxxxxxxx> AuthorDate: Tue, 23 Sep 2014 10:50:56 -0700 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitDate: Tue, 28 Oct 2014 11:22:13 +0100 x86_64/vdso: Remove jiffies from the vvar page I think that the jiffies vvar was once used for the vgetcpu cache. That code is long gone, so let's just make jiffies be a normal variable. Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx> Link: http://lkml.kernel.org/r/fcfee6f8749af14d96373a9e2656354ad0b95499.1411494540.git.luto@xxxxxxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> --- arch/x86/include/asm/vvar.h | 1 - arch/x86/kernel/time.c | 2 +- arch/x86/vdso/vgetcpu.c | 1 - 3 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/include/asm/vvar.h b/arch/x86/include/asm/vvar.h index 5d2b9ad..5f6d407 100644 --- a/arch/x86/include/asm/vvar.h +++ b/arch/x86/include/asm/vvar.h @@ -44,7 +44,6 @@ extern char __vvar_page; /* DECLARE_VVAR(offset, type, name) */ -DECLARE_VVAR(0, volatile unsigned long, jiffies) DECLARE_VVAR(16, int, vgetcpu_mode) DECLARE_VVAR(128, struct vsyscall_gtod_data, vsyscall_gtod_data) diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c index 0fa2960..25adc0e 100644 --- a/arch/x86/kernel/time.c +++ b/arch/x86/kernel/time.c @@ -23,7 +23,7 @@ #include <asm/time.h> #ifdef CONFIG_X86_64 -__visible DEFINE_VVAR(volatile unsigned long, jiffies) = INITIAL_JIFFIES; +__visible volatile unsigned long jiffies __cacheline_aligned = INITIAL_JIFFIES; #endif unsigned long profile_pc(struct pt_regs *regs) diff --git a/arch/x86/vdso/vgetcpu.c b/arch/x86/vdso/vgetcpu.c index 2f94b03..add1d98 100644 --- a/arch/x86/vdso/vgetcpu.c +++ b/arch/x86/vdso/vgetcpu.c @@ -7,7 +7,6 @@ #include <linux/kernel.h> #include <linux/getcpu.h> -#include <linux/jiffies.h> #include <linux/time.h> #include <asm/vsyscall.h> #include <asm/vgtod.h> -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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