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Subject: [PATCH v2 4/6] KVM: selftests: Replace hardcoded Linux OS id with
HYPERV_LINUX_OS_ID
From: Vipin Sharma <vipinsh@google.com>
To: seanjc@google.com, pbonzini@redhat.com, vkuznets@redhat.com,
dmatlack@google.com
Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org,
Vipin Sharma <vipinsh@google.com>
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| Series |
Add Hyper-v extended hypercall support in KVM
|
|
Commit Message
Vipin Sharma
Nov. 21, 2022, 11:40 p.m. UTC
Use HYPERV_LINUX_OS_ID macro instead of hardcoded 0x8100 << 48
Signed-off-by: Vipin Sharma <vipinsh@google.com>
---
tools/testing/selftests/kvm/x86_64/hyperv_clock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
Vipin Sharma <vipinsh@google.com> writes: > Use HYPERV_LINUX_OS_ID macro instead of hardcoded 0x8100 << 48 > > Signed-off-by: Vipin Sharma <vipinsh@google.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 d576bc8ce823..2ee0af0d449e 100644 > --- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c > +++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c > @@ -104,7 +104,7 @@ static void guest_main(struct ms_hyperv_tsc_page *tsc_page, vm_paddr_t tsc_page_ > > /* Set Guest OS id to enable Hyper-V emulation */ > GUEST_SYNC(1); > - wrmsr(HV_X64_MSR_GUEST_OS_ID, (u64)0x8100 << 48); > + wrmsr(HV_X64_MSR_GUEST_OS_ID, HYPERV_LINUX_OS_ID); > GUEST_SYNC(2); > > check_tsc_msr_rdtsc(); Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c index d576bc8ce823..2ee0af0d449e 100644 --- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c +++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c @@ -104,7 +104,7 @@ static void guest_main(struct ms_hyperv_tsc_page *tsc_page, vm_paddr_t tsc_page_ /* Set Guest OS id to enable Hyper-V emulation */ GUEST_SYNC(1); - wrmsr(HV_X64_MSR_GUEST_OS_ID, (u64)0x8100 << 48); + wrmsr(HV_X64_MSR_GUEST_OS_ID, HYPERV_LINUX_OS_ID); GUEST_SYNC(2); check_tsc_msr_rdtsc();