[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>
diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c
index 2e57344..70a0bd1 100644
--- a/arch/x86_64/kernel/vsyscall.c
+++ b/arch/x86_64/kernel/vsyscall.c
@@ -107,7 +107,7 @@
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 @@
/* 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 @@
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;
}