* Jesper Juhl <[email protected]> wrote:
> As per this patch perhaps? :
>
> Signed-off-by: Jesper Juhl <[email protected]>
this is still not enough (there was one more comparison to cover). Also,
it's a bit cleaner to just cast the left side to signed than cast every
member separately.
Ingo
--
fix signed comparisons of long long.
Signed-off-by: Jesper Juhl <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
--- linux/kernel/sched.c.orig
+++ linux/kernel/sched.c
@@ -2695,9 +2695,9 @@ need_resched_nonpreemptible:
schedstat_inc(rq, sched_cnt);
now = sched_clock();
- if (likely((long long)now - prev->timestamp < NS_MAX_SLEEP_AVG)) {
+ if (likely((long long)(now - prev->timestamp) < NS_MAX_SLEEP_AVG)) {
run_time = now - prev->timestamp;
- if (unlikely((long long)now - prev->timestamp < 0))
+ if (unlikely((long long)(now - prev->timestamp) < 0))
run_time = 0;
} else
run_time = NS_MAX_SLEEP_AVG;
@@ -2775,7 +2775,7 @@ go_idle:
if (!rt_task(next) && next->activated > 0) {
unsigned long long delta = now - next->timestamp;
- if (unlikely((long long)now - next->timestamp < 0))
+ if (unlikely((long long)(now - next->timestamp) < 0))
delta = 0;
if (next->activated == 1)
-
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