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Message-ID: <87k03nou7q.fsf@ovpn-194-185.brq.redhat.com>
Date: Tue, 22 Nov 2022 17:00:09 +0100
From: Vitaly Kuznetsov <vkuznets@...hat.com>
To: Vipin Sharma <vipinsh@...gle.com>
Cc: kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
seanjc@...gle.com, pbonzini@...hat.com, dmatlack@...gle.com
Subject: Re: [PATCH v2 4/6] KVM: selftests: Replace hardcoded Linux OS id
with HYPERV_LINUX_OS_ID
Vipin Sharma <vipinsh@...gle.com> writes:
> Use HYPERV_LINUX_OS_ID macro instead of hardcoded 0x8100 << 48
>
> Signed-off-by: Vipin Sharma <vipinsh@...gle.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@...hat.com>
--
Vitaly
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