Messages in this thread | | | From | KOSAKI Motohiro <> | Subject | Re: [RFC -v3 PATCH 2/3] sched: add yield_to function | Date | Wed, 5 Jan 2011 12:17:02 +0900 (JST) |
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> NAK NAK NAK, yield_to is utter crap, and the only reason kvm 'needs' it > is because its wants to be utter crap (run unmodified guests). > > There is plenty of sane serialization primitives for userspace, fix your > locking mess instead of pushing crap. > > The only reason I'm maybe half-way considering this is because its a > pure in-kernel interface which we can 'fix' once unmodified guests > aren't important anymore.
KVM also have slow and inefficient mecanism. Userspace have a lot of slow primitives too.
But okey, I'm withdraw this claim even though I disagree userspace have plenty of sane serialization. It's offtopic and we need more discuss at proper place.
Thanks.
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