linux-kernel - Re: [PATCH v2 0/7] KVM: x86: CPUID emulation and tracing fixes

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Message-ID: <6071310f-dd4b-6a6d-5578-7b6f72a9b1be@redhat.com>
Date:   Thu, 5 Mar 2020 17:42:59 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org, Pu Wen <puwen@...on.cn>
Subject: Re: [PATCH v2 0/7] KVM: x86: CPUID emulation and tracing fixes

On 05/03/20 02:34, Sean Christopherson wrote:
> 
> In theory, everything up to the refactoring is non-controversial, i.e. we
> can bikeshed the refactoring without delaying the bug fixes.

Even the refactoring itself is much less controversial.  I queued
everything, there's always time to unqueue.

Paolo

> v2:
>   - Use Jan's patch to fix the trace bug. [Everyone]
>   - Rework Hypervisor/Centaur handling so that only the Hypervisor
>     sub-ranges get the restrictive 0xffffff00 mask, and so that Centaur's
>     range only gets recognized when the guest vendor is Centaur. [Jim]
>   - Add the aforementioned bug fixes.
>   - Add a patch to do build time assertions on the vendor string, which
>     are hand coded u32s in the emulator (for direct comparison against
>     CPUID register output).
>   - Drop the patch to add CPUID.maxphyaddr emulator helper. [Paolo]
>   - Redo refactoring patches to land them after all the bug fixes
>     and to do the refactoring without any semantic changes in the
>     emulator.