Messages in this thread |  | | | Subject | Re: [PATCH 4/8] kernel/workqueue.c: unbound work queue rescuer runs on first cpu in cpumask_online_cpu | | From | Peter Zijlstra <> | | Date | Wed, 05 Oct 2011 21:19:22 +0200 |
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On Wed, 2011-10-05 at 20:52 +0200, Thomas Gleixner wrote: > On Wed, 5 Oct 2011, Fenghua Yu wrote: > > > From: Fenghua Yu <fenghua.yu@intel.com> > > > > If work queue is unbound to a specific cpu, run rescuer on first cpu in > > cpumask_online_cpu instead BSP which could be offlined. > > This patch needs to be applied separate from that series as it fixes a > bug which affects all architectures which can offline the boot cpu.
AFAIKT it really doesn't matter in this case, all the rescuer_thread() needs is some bit set in that mask, since its UNBOUND it won't actually try and migrate to any cpu and just run wherever it woke up.
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