On Tue, May 13, 2014 at 11:11:01AM +0200, Vincent Guittot wrote: > Jet Chen has reported a kernel panics when booting qemu-system-x86_64 with > kvm64 cpu. A panic occured while building the sched_domain. > > In sched_init_numa, we create a new topology table in which both default > levels and numa levels are copied. The last row of the table must have a null > pointer in the mask field. > > The current implementation doesn't add this last row in the computation of the > table size. So we add 1 row in the allocation size that will be used as the > last row of the table. The kzalloc will ensure that the mask field is NULL. > > Reported-by: Jet Chen <jet.chen@xxxxxxxxx> > Tested-by: Jet Chen <jet.chen@xxxxxxxxx> > Signed-off-by: Vincent Guittot <vincent.guittot@xxxxxxxxxx> > link: https://lkml.org/lkml/2014/5/12/130 > > --- > > Hi Peter, > > Does this commit message contain enough information ? Yes, thanks!
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