mirror of https://gitee.com/openkylin/linux.git
[PATCH] x86-64: Prevent gcc 4 from optimizing away vsyscalls
They were previously static. Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -107,7 +107,7 @@ static force_inline long time_syscall(long *t)
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return secs;
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}
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static int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz)
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int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz)
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{
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if (unlikely(!__sysctl_vsyscall))
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return gettimeofday(tv,tz);
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@ -120,7 +120,7 @@ static int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz
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/* This will break when the xtime seconds get inaccurate, but that is
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* unlikely */
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static time_t __vsyscall(1) vtime(time_t *t)
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time_t __vsyscall(1) vtime(time_t *t)
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{
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if (unlikely(!__sysctl_vsyscall))
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return time_syscall(t);
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@ -129,12 +129,12 @@ static time_t __vsyscall(1) vtime(time_t *t)
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return __xtime.tv_sec;
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}
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static long __vsyscall(2) venosys_0(void)
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long __vsyscall(2) venosys_0(void)
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{
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return -ENOSYS;
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}
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static long __vsyscall(3) venosys_1(void)
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long __vsyscall(3) venosys_1(void)
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{
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return -ENOSYS;
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}
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