linux-kernel - Re: [PATCH v2 00/28] Allow parallel MMU operations with TDP MMU

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Message-ID: <YBrjZ775SImFPGWV@google.com>
Date:   Wed, 3 Feb 2021 09:54:47 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     Ben Gardon <bgardon@...gle.com>, linux-kernel@...r.kernel.org,
        kvm@...r.kernel.org, Peter Xu <peterx@...hat.com>,
        Peter Shier <pshier@...gle.com>,
        Peter Feiner <pfeiner@...gle.com>,
        Junaid Shahid <junaids@...gle.com>,
        Jim Mattson <jmattson@...gle.com>,
        Yulei Zhang <yulei.kernel@...il.com>,
        Wanpeng Li <kernellwp@...il.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Xiao Guangrong <xiaoguangrong.eric@...il.com>
Subject: Re: [PATCH v2 00/28] Allow parallel MMU operations with TDP MMU

On Wed, Feb 03, 2021, Paolo Bonzini wrote:
> Looks good!  I'll wait for a few days of reviews,

I guess I know what I'm doing this afternoon :-)

> but I'd like to queue this for 5.12 and I plan to make it the default in 5.13
> or 5.12-rc (depending on when I can ask Red Hat QE to give it a shake).

Hmm, given that kvm/queue doesn't seem to get widespread testing, I think it
should be enabled by default in rc1 for whatever kernel it targets.

Would it be too heinous to enable it by default in 5.12-rc1, knowing full well
that there's a good possibility it would get reverted?