linux-kernel - Re: [PATCH v4 21/30] KVM: x86/mmu: Zap invalidated roots via asynchronous worker

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Date:   Fri, 11 Mar 2022 18:50:47 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        David Hildenbrand <david@...hat.com>,
        David Matlack <dmatlack@...gle.com>,
        Ben Gardon <bgardon@...gle.com>,
        Mingwei Zhang <mizhang@...gle.com>
Subject: Re: [PATCH v4 21/30] KVM: x86/mmu: Zap invalidated roots via
 asynchronous worker

On 3/8/22 22:29, Sean Christopherson wrote:
>>>> Good, for the record these are the commit messages I have:
>> I'm seeing some hangs in ~50% of installation jobs, both Windows and Linux.
>> I have not yet tried to reproduce outside the automated tests, or to bisect,
>> but I'll try to push at least the first part of the series for 5.18.
> Out of curiosity, what was the bug?  I see this got pushed to kvm/next.
> 

Of course it was in another, "harmless" patch that was in front of it. :)

Paolo