Messages in this thread | | | Date | Thu, 6 Nov 2008 08:06:37 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH] sched: fix a bug in sched domain degenerate |
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* Li Zefan <lizf@cn.fujitsu.com> wrote:
> (1) on i386 with SCHED_SMT and SCHED_MC enabled > # mount -t cgroup -o cpuset xxx /mnt > # echo 0 > /mnt/cpuset.sched_load_balance > # mkdir /mnt/0 > # echo 0 > /mnt/0/cpuset.cpus > # dmesg > CPU0 attaching sched-domain: > domain 0: span 0 level CPU > groups: 0 > > (2) on i386 with SCHED_MC enabled but SCHED_SMT disabled > # same with (1) > # dmesg > CPU0 attaching NULL sched-domain. > > The bug is some sched domains may be skipped unintentionally when > doing sched domain degenerating. > > Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> > --- > kernel/sched.c | 6 ++++-- > 1 files changed, 4 insertions(+), 2 deletions(-)
applied to tip/sched/urgent, thanks!
Ingo
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