Messages in this thread | | | Date | Sat, 31 Jan 2009 14:49:47 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] sched_rt: don't use first_cpu on cpumask created with cpumask_and. |
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* Rusty Russell <rusty@rustcorp.com.au> wrote:
> Ingo, please apply to tip/urgent. > > cpumask_and() only initializes nr_cpu_ids bits, so the (deprecated) > first_cpu() might find one of those uninitialized bits if nr_cpu_ids > is less than NR_CPUS (as it can be for CONFIG_CPUMASK_OFFSTACK). > > Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> > --- > kernel/sched_rt.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-)
Applied to tip/sched/urgent, thanks Rusty!
Also, Git sorted out the same-content merge with this commit in cpus4096 just fine:
d38b223: cpumask: reduce stack usage in find_lowest_rq
(this commit is where you backported it from i suspect?)
Ingo
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