linux-kernel - Re: [PATCH 04/26] KVM: x86: Add a kvm_x86_ops hook to query virtualized MSR support

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Message-ID: <87tv45j7nf.fsf@vitty.brq.redhat.com>
Date:   Wed, 05 Feb 2020 17:55:32 +0100
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Paolo Bonzini <pbonzini@...hat.com>
Subject: Re: [PATCH 04/26] KVM: x86: Add a kvm_x86_ops hook to query virtualized MSR support

Sean Christopherson <sean.j.christopherson@...el.com> writes:

> On Wed, Feb 05, 2020 at 04:22:48PM +0100, Vitaly Kuznetsov wrote:
>> Sean Christopherson <sean.j.christopherson@...el.com> writes:
>> 
>> > On Wed, Feb 05, 2020 at 03:34:29PM +0100, Vitaly Kuznetsov wrote:
>> >> Sean Christopherson <sean.j.christopherson@...el.com> writes:
>> >> 
>> >> Reviewed-by: Vitaly Kuznetsov <vkuznets@...hat.com>
>> >
>> > Stooooooop!  Everything from this point on is obsoleted by kvm_cpu_caps!
>> >
>> 
>> Oops, this was only a week old series! Patches are rottening fast
>> nowadays!
>
> Sorry :-(
>
> I dug deeper into the CPUID crud after posting this series because I really
> didn't like the end result for vendor-specific leafs, and ended up coming
> up with (IMO) a much more elegant solution.
>
> https://lkml.kernel.org/r/20200201185218.24473-1-sean.j.christopherson@intel.com/
>
> or on patchwork
>
> https://patchwork.kernel.org/cover/11361361/
>

Thanks, I saw it. I tried applying it to kvm/next earlier today but
failed. Do you by any chance have a git branch somewhere? I'll try to
review it and test at least AMD stuff (if AMD people don't beat me to it
of course).

-- 
Vitaly