linux-kernel - [PATCH 0/2] drm/i915/gvt: Fix for KVM refcounting bug

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Message-ID: <20221111002225.2418386-1-seanjc@google.com>
Date:   Fri, 11 Nov 2022 00:22:23 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Zhenyu Wang <zhenyuw@...ux.intel.com>,
        Zhi Wang <zhi.a.wang@...el.com>
Cc:     intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Sean Christopherson <seanjc@...gle.com>
Subject: [PATCH 0/2] drm/i915/gvt: Fix for KVM refcounting bug

Bug fix and cleanup related to KVM refcounting.  Found by inspection while
attempting to clean up KVM's page-tracker APIs.

Compile tested only!

Sean Christopherson (2):
  drm/i915/gvt: Get reference to KVM iff attachment to VM is successful
  drm/i915/gvt: Unconditionally put reference to KVM when detaching vGPU

 drivers/gpu/drm/i915/gvt/kvmgt.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)


base-commit: 1767a722a708f1fa3b9af39eb091d79101f8c086
-- 
2.38.1.431.g37b22c650d-goog