On Sun, May 10, 2020 at 01:18:34AM -0400, Qian Cai wrote:
> It is unsafe to traverse kvm->arch.spapr_tce_tables and
> stt->iommu_tables without the RCU read lock held. Also, add
> cond_resched_rcu() in places with the RCU read lock held that could take
> a while to finish.
>
> arch/powerpc/kvm/bo
On Wed, May 27, 2020 at 11:13:23AM +1000, Paul Mackerras wrote:
> On Sun, May 10, 2020 at 01:18:34AM -0400, Qian Cai wrote:
> > It is unsafe to traverse kvm->arch.spapr_tce_tables and
> > stt->iommu_tables without the RCU read lock held. Also, add
> > cond_resched_rcu() in places with the RCU read
On Sun, May 10, 2020 at 01:18:34AM -0400, Qian Cai wrote:
> It is unsafe to traverse kvm->arch.spapr_tce_tables and
> stt->iommu_tables without the RCU read lock held. Also, add
> cond_resched_rcu() in places with the RCU read lock held that could take
> a while to finish.
This mostly looks fine.