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authorFan Du <fan.du@windriver.com>2013-08-15 15:49:06 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2013-08-16 06:53:28 +0200
commit99565a6c471cbb66caa68347c195133017559943 (patch)
treeb47ff54a2eb470330980847e5e312979ac153bcf /net/xfrm
parentaf83fde7513b6c4acd869ad4fb93893704439470 (diff)
xfrm: Make xfrm_state timer monotonic
xfrm_state timer should be independent of system clock change, so switch to CLOCK_BOOTTIME base which is not only monotonic but also counting suspend time. Thus issue reported in commit: 9e0d57fd6dad37d72a3ca6db00ca8c76f2215454 ("xfrm: SAD entries do not expire correctly after suspend-resume") could ALSO be avoided. v2: Use CLOCK_BOOTTIME to count suspend time, but still monotonic. Signed-off-by: Fan Du <fan.du@windriver.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/xfrm')
-rw-r--r--net/xfrm/xfrm_state.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index b2cd806c0be..4f8ace85586 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -499,7 +499,8 @@ struct xfrm_state *xfrm_state_alloc(struct net *net)
INIT_HLIST_NODE(&x->bydst);
INIT_HLIST_NODE(&x->bysrc);
INIT_HLIST_NODE(&x->byspi);
- tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler, CLOCK_REALTIME, HRTIMER_MODE_ABS);
+ tasklet_hrtimer_init(&x->mtimer, xfrm_timer_handler,
+ CLOCK_BOOTTIME, HRTIMER_MODE_ABS);
setup_timer(&x->rtimer, xfrm_replay_timer_handler,
(unsigned long)x);
x->curlft.add_time = get_seconds();