From: Andi Kleen Date: Mon, 12 Sep 2005 16:49:24 +0000 (+0200) Subject: [PATCH] x86-64: Prevent gcc 4 from optimizing away vsyscalls X-Git-Tag: v2.6.14-rc1~38 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2e8ad43ec07545780ce7992cb18e2d82c7abd24c;p=linux-2.6-omap-h63xx.git [PATCH] x86-64: Prevent gcc 4 from optimizing away vsyscalls They were previously static. Signed-off-by: Andi Kleen Signed-off-by: Linus Torvalds --- diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c index 2e573442594..70a0bd16085 100644 --- a/arch/x86_64/kernel/vsyscall.c +++ b/arch/x86_64/kernel/vsyscall.c @@ -107,7 +107,7 @@ static force_inline long time_syscall(long *t) return secs; } -static int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz) +int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz) { if (unlikely(!__sysctl_vsyscall)) return gettimeofday(tv,tz); @@ -120,7 +120,7 @@ static int __vsyscall(0) vgettimeofday(struct timeval * tv, struct timezone * tz /* This will break when the xtime seconds get inaccurate, but that is * unlikely */ -static time_t __vsyscall(1) vtime(time_t *t) +time_t __vsyscall(1) vtime(time_t *t) { if (unlikely(!__sysctl_vsyscall)) return time_syscall(t); @@ -129,12 +129,12 @@ static time_t __vsyscall(1) vtime(time_t *t) return __xtime.tv_sec; } -static long __vsyscall(2) venosys_0(void) +long __vsyscall(2) venosys_0(void) { return -ENOSYS; } -static long __vsyscall(3) venosys_1(void) +long __vsyscall(3) venosys_1(void) { return -ENOSYS; }