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_
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
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 spin