| Message ID | 20210804112057.409498-1-mlevitsk@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: selftests: fix hyperv_clock test | expand |
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). Paolo > Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> > --- > 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)); >
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@redhat.com> > > --- > > 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)); > >
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));
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") Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com> --- tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)