linux-kernel - Re: [PATCH 0/8] KVM: x86: Interrupt-based mechanism for async

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Message-ID: <87ftc5m8t7.fsf@vitty.brq.redhat.com>
Date:   Tue, 12 May 2020 18:12:20 +0200
From:   Vitaly Kuznetsov <vkuznets@...hat.com>
To:     Vivek Goyal <vgoyal@...hat.com>
Cc:     kvm@...r.kernel.org, x86@...nel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Jim Mattson <jmattson@...gle.com>,
        Gavin Shan <gshan@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/8] KVM: x86: Interrupt-based mechanism for async_pf 'page present' notifications

Vivek Goyal <vgoyal@...hat.com> writes:

> Hi Vitaly,
>
> Are there any corresponding qemu patches as well to enable new
> functionality. Wanted to test it.
>

Yes, right you are, I forgot to even mention this in the blurb.
Please find patches against current 'master' attached. With '-cpu host'
the feature gets enabled automatically.

Note, guest kernel needs to be updated too.

-- 
Vitaly


View attachment "0001-linux-headers-KVM_FEATURE_ASYNC_PF_INT-update.patch" of type "text/x-patch" (2163 bytes)

View attachment "0002-WIP-ASYNC_PF_INT.patch" of type "text/x-patch" (4689 bytes)