Re: [PATCH] KVM: ARM: count remote TLB flushes
On Tue, 27 Jul 2021 12:32:51 +0200, Paolo Bonzini wrote: > KVM/ARM has an architecture-specific implementation of > kvm_flush_remote_tlbs; however, unlike the generic one, > it does not count the flushes in kvm->stat.remote_tlb_flush, > so that it inexorably remained stuck to zero. Applied to next, thanks! [1/1] KVM: ARM: count remote TLB flushes commit: 38f703663d4c82ead5b51b8860deeef19d6dcb6d Cheers, M. -- Without deviation from the norm, progress is not possible. ___ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
Re: [PATCH] KVM: ARM: count remote TLB flushes
On Tue, Jul 27, 2021 at 3:33 AM Paolo Bonzini wrote: > > KVM/ARM has an architecture-specific implementation of > kvm_flush_remote_tlbs; however, unlike the generic one, > it does not count the flushes in kvm->stat.remote_tlb_flush, > so that it inexorably remained stuck to zero. > > Signed-off-by: Paolo Bonzini Reviewed-by: Oliver Upton > --- > arch/arm64/kvm/mmu.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c > index c10207fed2f3..6cf16b43bfcc 100644 > --- a/arch/arm64/kvm/mmu.c > +++ b/arch/arm64/kvm/mmu.c > @@ -81,6 +81,7 @@ static bool memslot_is_logging(struct kvm_memory_slot > *memslot) > void kvm_flush_remote_tlbs(struct kvm *kvm) > { > kvm_call_hyp(__kvm_tlb_flush_vmid, &kvm->arch.mmu); > + ++kvm->stat.generic.remote_tlb_flush; > } > > static bool kvm_is_device_pfn(unsigned long pfn) > -- > 2.31.1 > > ___ > kvmarm mailing list > kvmarm@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/kvmarm ___ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
[PATCH] KVM: ARM: count remote TLB flushes
KVM/ARM has an architecture-specific implementation of kvm_flush_remote_tlbs; however, unlike the generic one, it does not count the flushes in kvm->stat.remote_tlb_flush, so that it inexorably remained stuck to zero. Signed-off-by: Paolo Bonzini --- arch/arm64/kvm/mmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c index c10207fed2f3..6cf16b43bfcc 100644 --- a/arch/arm64/kvm/mmu.c +++ b/arch/arm64/kvm/mmu.c @@ -81,6 +81,7 @@ static bool memslot_is_logging(struct kvm_memory_slot *memslot) void kvm_flush_remote_tlbs(struct kvm *kvm) { kvm_call_hyp(__kvm_tlb_flush_vmid, &kvm->arch.mmu); + ++kvm->stat.generic.remote_tlb_flush; } static bool kvm_is_device_pfn(unsigned long pfn) -- 2.31.1 ___ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm