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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2008-06-05 14:49:58 +0200
committerIngo Molnar <mingo@elte.hu>2008-06-10 12:17:28 +0200
commit7def2be1dc679984f4c4fb3ef19a8a081b2454ec (patch)
tree5be15957919d095cdbbc9ed3217d9dec939b234b /include/asm-m68k
parente958b3600484533ff801920290468adc8135f89d (diff)
sched: fix hotplug cpus on ia64
Cliff Wickman wrote: > I built an ia64 kernel from Andrew's tree (2.6.26-rc2-mm1) > and get a very predictable hotplug cpu problem. > billberry1:/tmp/cpw # ./dis > disabled cpu 17 > enabled cpu 17 > billberry1:/tmp/cpw # ./dis > disabled cpu 17 > enabled cpu 17 > billberry1:/tmp/cpw # ./dis > > The script that disables the cpu always hangs (unkillable) > on the 3rd attempt. > > And a bit further: > The kstopmachine thread always sits on the run queue (real time) for about > 30 minutes before running. this fix solves some (but not all) issues between CPU hotplug and RT bandwidth throttling. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-m68k')
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