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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2012-05-31 14:47:33 +0200
committerIngo Molnar <mingo@kernel.org>2012-06-06 16:52:26 +0200
commitc1174876874dcf8986806e4dad3d7d07af20b439 (patch)
tree7e2ea14ba9421bddd63e1810716f1929c753e28b /kernel/trace
parentsched/rt: Fix lockdep annotation within find_lock_lowest_rq() (diff)
downloadlinux-c1174876874dcf8986806e4dad3d7d07af20b439.tar.xz
linux-c1174876874dcf8986806e4dad3d7d07af20b439.zip
sched: Fix domain iteration
Weird topologies can lead to asymmetric domain setups. This needs further consideration since these setups are typically non-minimal too. For now, make it work by adding an extra mask selecting which CPUs are allowed to iterate up. The topology that triggered it is the one from David Rientjes: 10 20 20 30 20 10 20 20 20 20 10 20 30 20 20 10 resulting in boxes that wouldn't even boot. Reported-by: David Rientjes <rientjes@google.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/n/tip-3p86l9cuaqnxz7uxsojmz5rm@git.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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