linux-kernel - Re: [PATCH v3 0/7] x86/pmu: Corner cases fixes and optimization

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Message-ID: <Yyzroz9x4jKShOKa@google.com>
Date:   Thu, 22 Sep 2022 23:11:31 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Like Xu <like.xu.linux@...il.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/7] x86/pmu: Corner cases fixes and optimization

On Thu, Sep 22, 2022, Sean Christopherson wrote:
> Regarding the "defer" patches, your patches are ok (with one or two tweaks), but
> there are existing bugs that I believe will interact poorly with using reprogram_pmi
> more agressively.  Nothing major, but I'd prefer to get everything squared away
> before merging, and definitely want your input on my proposed fixes.  I'll post
> the patches shortly.

I take that back, there are issues with deferred overflow handling.  I'll follow-up
in the patch.