linux-kernel - Re: [PATCH v4 06/29] drm/i915/gvt: Explicitly check that vGPU is attached before shadowing

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Message-ID: <ZMmTTlHXnm3ywvvj@google.com>
Date:   Tue, 1 Aug 2023 16:20:46 -0700
From:   Sean Christopherson <seanjc@...gle.com>
To:     Yan Zhao <yan.y.zhao@...el.com>
Cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>, kvm@...r.kernel.org,
        intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Yongwei Ma <yongwei.ma@...el.com>,
        Ben Gardon <bgardon@...gle.com>
Subject: Re: [PATCH v4 06/29] drm/i915/gvt: Explicitly check that vGPU is
 attached before shadowing

On Tue, Aug 01, 2023, Yan Zhao wrote:
> On Fri, Jul 28, 2023 at 06:35:12PM -0700, Sean Christopherson wrote:
> > Move the check that a vGPU is attacked from is_2MB_gtt_possible() all the
> typo: "attacked" --> "attached"
> 
> > way up to shadow_ppgtt_mm() to avoid unnecessary work, and to make it more
> This commit message does not match to what the patch does.
> The check in the patch is in ppgtt_populate_shadow_entry().
> 
> What you want is like below?

Yeah, I completely botched this and forgot to actually change the code.  I'll send
a replacement patch in-reply (or rather, I already sent it; I missed up again and
forgot to hit send on this one earlier in the day...).

Thanks yet again for the review!