linux-kernel - Re: [PATCH 0/3] x86: KVM: VMX: Add basic split-lock #AC handling

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Message-ID: <875ze7pp75.fsf@nanos.tec.linutronix.de>
Date:   Fri, 10 Apr 2020 13:14:54 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>
Cc:     x86@...nel.org, "Kenneth R . Crudup" <kenny@...ix.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Xiaoyao Li <xiaoyao.li@...el.com>,
        Nadav Amit <namit@...are.com>,
        Thomas Hellstrom <thellstrom@...are.com>,
        Tony Luck <tony.luck@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Jessica Yu <jeyu@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] x86: KVM: VMX: Add basic split-lock #AC handling

Paolo Bonzini <pbonzini@...hat.com> writes:
> On 02/04/20 17:55, Sean Christopherson wrote:
>> First three patches from Xiaoyao's series to add split-lock #AC support
>> in KVM.
>> 
>> Xiaoyao Li (3):
>>   KVM: x86: Emulate split-lock access as a write in emulator
>>   x86/split_lock: Refactor and export handle_user_split_lock() for KVM
>>   KVM: VMX: Extend VMX's #AC interceptor to handle split lock #AC in
>>     guest
>
> Sorry I was out of the loop on this (I'm working part time and it's a
> mess).  Sean, can you send the patches as a top-level message?  I'll
> queue them and get them to Linus over the weekend.

I have a reworked version. I'll post it after lunch.

Thanks,

        tglx