]> Git Repo - linux.git/commit
sched/deadline: Make update_curr_dl() more accurate
authorWen Yang <[email protected]>
Tue, 6 Feb 2018 01:55:48 +0000 (09:55 +0800)
committerIngo Molnar <[email protected]>
Tue, 13 Feb 2018 10:44:40 +0000 (11:44 +0100)
commit6fe0ce1eb04f99a1eb1eb6e7f775666966cf6c80
tree6f6ba6d7326b11f5fee89ca9bb0254bb2c3adcab
parent6a546c7e69ff0b69581377cc70d7e8a601b98fce
sched/deadline: Make update_curr_dl() more accurate

rq->clock_task may be updated between the two calls of
rq_clock_task() in update_curr_dl(). Calling rq_clock_task() only
once makes it more accurate and efficient, taking update_curr() as
reference.

Suggested-by: Peter Zijlstra <[email protected]>
Signed-off-by: Wen Yang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Jiang Biao <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
kernel/sched/deadline.c
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