On 12/19/2011 07:18 PM, Alexander Graf wrote: > On 12.12.2011, at 23:37, Paul Mackerras wrote: > > > This adds an smp_wmb in kvm_mmu_notifier_invalidate_range_end() and an > > smp_rmb in mmu_notifier_retry() so that mmu_notifier_retry() will give > > the correct answer when called without kvm->mmu_lock being held. > > PowerPC Book3S HV KVM wants to use a bitlock per guest page rather than > > a single global spinlock in order to improve the scalability of updates > > to the guest MMU hashed page table, and so needs this. > > > > Signed-off-by: Paul Mackerras <paulus@xxxxxxxxx> > > Avi, mind to ack? > Acked-by: Avi Kivity <avi@xxxxxxxxxx> -- error compiling committee.c: too many arguments to function -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
