Messages in this thread Patch in this message |  | | | Subject | [PATCH][RESEND] Fix msleep to sleep _at_least_ the requested amount | | From | Benjamin Herrenschmidt <> | | Date | Mon, 25 Oct 2004 10:19:48 +1000 |
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Hi Linus !
You "agreed" but didn't apply the patch on the last message ... so here it is again.
Makes sure msleep() sleeps at least the amount provided, since schedule_timeout() doesn't guarantee a full jiffy.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
===== kernel/timer.c 1.100 vs edited ===== --- 1.100/kernel/timer.c 2004-10-19 19:40:28 +10:00 +++ edited/kernel/timer.c 2004-10-23 09:16:10 +10:00 @@ -1605,7 +1605,7 @@ */ void msleep(unsigned int msecs) { - unsigned long timeout = msecs_to_jiffies(msecs); + unsigned long timeout = msecs_to_jiffies(msecs) + 1; while (timeout) { set_current_state(TASK_UNINTERRUPTIBLE); @@ -1621,7 +1621,7 @@ */ unsigned long msleep_interruptible(unsigned int msecs) { - unsigned long timeout = msecs_to_jiffies(msecs); + unsigned long timeout = msecs_to_jiffies(msecs) + 1; while (timeout && !signal_pending(current)) { set_current_state(TASK_INTERRUPTIBLE);
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