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KVM: PPC: Book3S HV: Implement H_CONFER
authorPaul Mackerras <paulus@samba.org>
Fri, 6 Sep 2013 03:23:21 +0000 (13:23 +1000)
committerAlexander Graf <agraf@suse.de>
Thu, 17 Oct 2013 12:45:00 +0000 (14:45 +0200)
commit42d7604d0c5a24f448983424eb19e3845cb031ba
treeb0d6683cbc35854fda611cb3a7b740b42c3dfb13tree | snapshot
parentc0867fd50943d71d9f0bc5078393ce4ec76b3923commit | diff
KVM: PPC: Book3S HV: Implement H_CONFER

The H_CONFER hypercall is used when a guest vcpu is spinning on a lock
held by another vcpu which has been preempted, and the spinning vcpu
wishes to give its timeslice to the lock holder.  We implement this
in the straightforward way using kvm_vcpu_yield_to().

Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
arch/powerpc/kvm/book3s_hv.c diff | blob | history
Linux Kernel tree with some unpolished code for Colibri/Apalis modules