Re: [PATCH 5/7] KVM: arm64: Move 'invalid syndrome' logic out of io_mem_abort()

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On Sun, Jul 26, 2020 at 12:55:16PM +0100, Marc Zyngier wrote:
> On Fri, 24 Jul 2020 15:35:04 +0100,
> Will Deacon <will@xxxxxxxxxx> wrote:
> > diff --git a/arch/arm64/kvm/mmu.c b/arch/arm64/kvm/mmu.c
> > index 73e62d360a36..adb933ecd177 100644
> > --- a/arch/arm64/kvm/mmu.c
> > +++ b/arch/arm64/kvm/mmu.c
> > @@ -2046,6 +2046,20 @@ static void handle_access_fault(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa)
> >  		kvm_set_pfn_accessed(pfn);
> >  }
> >  
> > +static int handle_error_invalid_dabt(struct kvm_vcpu *vcpu, struct kvm_run *run,
> 
> Nit: why the "_error_"? There isn't any error here, only an awkward
> part of the architecture. I'd rather see something like
> handle_nisv_dabt(), which matches what this function actually does.

I chose "_error_" because this handling the case when kvm_is_error_hva() is
true (but I agree that "error" is misleading in both cases).

Will
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