From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0B7134C6D for ; Mon, 14 Nov 2022 13:00:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39497C433C1; Mon, 14 Nov 2022 13:00:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1668430834; bh=aVObdXlgRr1dGfhokV0cmM9KrKjXES3RKywx0o4U5WQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AephgfrjD1NwhVu7VPRb8FVY5JvlvmTlvLKSr9xGuq/nzcxxTG2M+mMFL9KRqb3fy sZ7mY2EFcHjQ8VykFjJMC7TDF8LCF7zWshZeiTMQHROJ20WRiKluoDxduHxTydn9lL 2UQoDTAjCbVrXGuX8/b85vJiS5xO30ITjf6ykNtA= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Alex Williamson , Jason Gunthorpe , Kevin Tian , Christoph Hellwig Subject: [PATCH 6.0 002/190] drm/i915/gvt: Add missing vfio_unregister_group_dev() call Date: Mon, 14 Nov 2022 13:43:46 +0100 Message-Id: <20221114124458.911937352@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221114124458.806324402@linuxfoundation.org> References: <20221114124458.806324402@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jason Gunthorpe commit f423fa1bc9fe1978e6b9f54927411b62cb43eb04 upstream. When converting to directly create the vfio_device the mdev driver has to put a vfio_register_emulated_iommu_dev() in the probe() and a pairing vfio_unregister_group_dev() in the remove. This was missed for gvt, add it. Cc: stable@vger.kernel.org Fixes: 978cf586ac35 ("drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev") Reported-by: Alex Williamson Signed-off-by: Jason Gunthorpe Reviewed-by: Kevin Tian Reviewed-by: Christoph Hellwig Link: https://lore.kernel.org/r/0-v1-013609965fe8+9d-vfio_gvt_unregister_jgg@nvidia.com Signed-off-by: Alex Williamson Reviewed-by: Kevin Tian # v6.0 backport Signed-off-by: Alex Williamson # v6.0 backport Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/i915/gvt/kvmgt.c | 3 +++ 1 file changed, 3 insertions(+) --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -1595,6 +1595,9 @@ static void intel_vgpu_remove(struct mde if (WARN_ON_ONCE(vgpu->attached)) return; + + vfio_unregister_group_dev(&vgpu->vfio_device); + vfio_uninit_group_dev(&vgpu->vfio_device); intel_gvt_destroy_vgpu(vgpu); }