The rule for time values in c/r is: all time measurements in
the checkpoint image are saved as relative values, using the
start-of-checkpoint as the reference point in time.
This patch fixes how hrtimer delta is calculated to make it
really follow this rule.
Signed-off-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
---
kernel/signal.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/signal.c b/kernel/signal.c
index de76729..0ec4a46 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3151,7 +3151,8 @@ static int checkpoint_signal(struct ckpt_ctx *ctx, struct task_struct *t)
/* real/virt/prof itimers */
if (hrtimer_active(&signal->real_timer)) {
/* For an active timer compute the time delta */
- ktime_t delta = hrtimer_get_remaining(&signal->real_timer);
+ ktime_t delta = ktime_sub(ctx->ktime_begin,
+ signal->real_timer._expires);
/*
* If the timer expired after the the test above, then
* set the expire to the minimum possible (because by
--
1.7.0.4
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