From: Andi Kleen <ak@suse.de>
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: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2e8ad43ec07545780ce7992cb18e2d82c7abd24c;p=linux-2.6

[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 2e57344259..70a0bd1608 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;
 }