Re: [PATCH] KVM: selftests: fix hyperv_clock test

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On Wed, 2021-08-04 at 14:24 +0200, Paolo Bonzini wrote:
> On 04/08/21 13:20, Maxim Levitsky wrote:
> > The test was mistakenly using addr_gpa2hva on a gva
> > and that happened to work accidentally.
> > 
> > commit 106a2e766eae ("KVM: selftests:
> > Lower the min virtual address for misc page allocations")
> > revealed this bug.
> > 
> > Fixes: 106a2e766eae ("KVM: selftests: Lower the min virtual address for misc page allocations")
> 
> The right "Fixes" is 2c7f76b4c42b ("selftests: kvm: Add basic Hyper-V 
> clocksources tests", 2021-03-18).

Makes sense. I wasn't sure about which commit to blame here.
I'll resend the patch.

Best regards,
	Maxim Levitsky
> 
> Paolo
> 
> > Signed-off-by: Maxim Levitsky <mlevitsk@xxxxxxxxxx>
> > ---
> >   tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
> > index bab10ae787b6..e0b2bb1339b1 100644
> > --- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
> > +++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
> > @@ -215,7 +215,7 @@ int main(void)
> >   	vcpu_set_hv_cpuid(vm, VCPU_ID);
> >   
> >   	tsc_page_gva = vm_vaddr_alloc_page(vm);
> > -	memset(addr_gpa2hva(vm, tsc_page_gva), 0x0, getpagesize());
> > +	memset(addr_gva2hva(vm, tsc_page_gva), 0x0, getpagesize());
> >   	TEST_ASSERT((addr_gva2gpa(vm, tsc_page_gva) & (getpagesize() - 1)) == 0,
> >   		"TSC page has to be page aligned\n");
> >   	vcpu_args_set(vm, VCPU_ID, 2, tsc_page_gva, addr_gva2gpa(vm, tsc_page_gva));
> > 





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