Re: [PATCH v2 33/49] KVM: x86: Advertise TSC_DEADLINE_TIMER in KVM_GET_SUPPORTED_CPUID

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Subject: Re: [PATCH v2 33/49] KVM: x86: Advertise TSC_DEADLINE_TIMER in KVM_GET_SUPPORTED_CPUID
From: Sean Christopherson <seanjc@xxxxxxxxxx>
Date: Tue, 28 May 2024 08:21:39 -0700
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>, Vitaly Kuznetsov <vkuznets@xxxxxxxxxx>, kvm@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Hou Wenlong <houwenlong.hwl@xxxxxxxxxxxx>, Kechen Lu <kechenl@xxxxxxxxxx>, Oliver Upton <oliver.upton@xxxxxxxxx>, Maxim Levitsky <mlevitsk@xxxxxxxxxx>, Yang Weijiang <weijiang.yang@xxxxxxxxx>, Robert Hoo <robert.hoo.linux@xxxxxxxxx>
In-reply-to: <9296de25-0d3f-47eb-a98b-e0dcd388cd6b@linux.intel.com>
References: <20240517173926.965351-1-seanjc@google.com> <20240517173926.965351-34-seanjc@google.com> <9296de25-0d3f-47eb-a98b-e0dcd388cd6b@linux.intel.com>

On Wed, May 22, 2024, Binbin Wu wrote:
> 
> 
> On 5/18/2024 1:39 AM, Sean Christopherson wrote:
> > Advertise TSC_DEADLINE_TIMER via KVM_GET_SUPPORTED_CPUID when it's
> > supported in hardware,
> 
> But it's using EMUL_F(TSC_DEADLINE_TIMER) below?

Doh, yeah, the changelog is wrong.  KVM always emulates TSC_DEADLINE_TIMER.

Thanks!

References:
- [PATCH v2 00/49] KVM: x86: CPUID overhaul, fixes, and caching
  - From: Sean Christopherson
- [PATCH v2 33/49] KVM: x86: Advertise TSC_DEADLINE_TIMER in KVM_GET_SUPPORTED_CPUID
  - From: Sean Christopherson
- Re: [PATCH v2 33/49] KVM: x86: Advertise TSC_DEADLINE_TIMER in KVM_GET_SUPPORTED_CPUID
  - From: Binbin Wu

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