Re: [RFC PATCH 2/3] KVM: arm64: Add fast path to handle permission relaxation during dirty logging

2022-01-11 Thread Marc Zyngier
Coming back to this, as it does bother me. On Mon, 10 Jan 2022 21:04:40 +, Jing Zhang wrote: > > To reduce MMU lock contention during dirty logging, all permission > relaxation operations would be performed under read lock. > > Signed-off-by: Jing Zhang > --- > arch/arm64/kvm/mmu.c | 50 +

Re: [RFC PATCH 2/3] KVM: arm64: Add fast path to handle permission relaxation during dirty logging

2022-01-11 Thread Marc Zyngier
On Mon, 10 Jan 2022 21:04:40 +, Jing Zhang wrote: > > To reduce MMU lock contention during dirty logging, all permission > relaxation operations would be performed under read lock. > > Signed-off-by: Jing Zhang > --- > arch/arm64/kvm/mmu.c | 50