trunk/2.6.21/1700_amd64-time-usecs.patch

[PATCH] x86_64 : Fix vgettimeofday()

vgettimeofday() may return some bad timeval values, (tv_usec = 1000000),
because of a wrong compare.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>

Index: linux-2.6.21-gentoo/arch/x86_64/kernel/vsyscall.c
===================================================================
--- linux-2.6.21-gentoo.orig/arch/x86_64/kernel/vsyscall.c
+++ linux-2.6.21-gentoo/arch/x86_64/kernel/vsyscall.c
@@ -132,7 +132,7 @@ static __always_inline void do_vgettimeo
 
        /* convert to usecs and add to timespec: */
        tv->tv_usec += nsec_delta / NSEC_PER_USEC;
-       while (tv->tv_usec > USEC_PER_SEC) {
+       while (tv->tv_usec >= USEC_PER_SEC) {
                tv->tv_sec += 1;
                tv->tv_usec -= USEC_PER_SEC;
        }
1	[PATCH] x86_64 : Fix vgettimeofday()
2
3	vgettimeofday() may return some bad timeval values, (tv_usec = 1000000),
4	because of a wrong compare.
5
6	Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
7
8	Index: linux-2.6.21-gentoo/arch/x86_64/kernel/vsyscall.c
9	===================================================================
10	--- linux-2.6.21-gentoo.orig/arch/x86_64/kernel/vsyscall.c
11	+++ linux-2.6.21-gentoo/arch/x86_64/kernel/vsyscall.c
12	@@ -132,7 +132,7 @@ static __always_inline void do_vgettimeo
13
14	/* convert to usecs and add to timespec: */
15	tv->tv_usec += nsec_delta / NSEC_PER_USEC;
16	- while (tv->tv_usec > USEC_PER_SEC) {
17	+ while (tv->tv_usec >= USEC_PER_SEC) {
18	tv->tv_sec += 1;
19	tv->tv_usec -= USEC_PER_SEC;
20	}