From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793894218; b=aRyZOcZBqDbpSOJ5XdaBrvyfdPjiqBly1sbh6tBoLTZyZsYXN9Vojk5VNv+BTPgOANqQ YgzA+ItrXAOSIK/ljYHCy+kdyt8axu/I3xCabdh72CsGjIVk07djdTLYZPHuXt+Qwk+zz kE4hCEDfTmUhqB4fIpr//mGpb2omZWiIcRLhJ8lD9wAjTyGmKLZx/Ac2i7yz7jv7HucJO rXZ5z/pKjMv8dUToXzY59VKcNCfF0UXcavMBZQxM4jwm4mYhlEUH9YsAezmpRuqoUrvGI 0TOt7Tojsv93bQvcfpQZqZkOUHXkNXy2iIP6QbCaslEQ3wQ03FEZgpMINO5Ltvdilww== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793894218; h=Received:DKIM-Signature:Message-ID:Date:From:To:Subject:In-Reply-To: References:Cc:Content-Transfer-Encoding; bh=fwV/2B3TkwHJXgDq9v3y31qZQLcW8rg2jXVX7Q/BYBs=; b=pL2axKHH09Yl9lWp2hfwlbVwmw9Zu79SbWKUUSW8I3+ULEP4/lmERtCbeYw9h0DJ/QG4 N4GfrDTmZXFFnIXAJ7DHhn9iz6Akgk7OXd6KtmOXCunL8SRf9qdC3SxuToGrIfNB2Prfl e5atfAJ2+KHWolsWBzYX1lfveqWESrKPNpV97/3zOyPmUzfIOs5mNh4ic/iRu9CYnBvLk 3I1xIp0zq0zbG8wDByirp41zXbvGPdpefbS4uYY6a9b8SL1v2e1sU416QlUhPvVV7hliY +DU/j4TxT11hF2E5jdB4HBucG1FOP2LGkgUfx8ETRTYnXxod1p+66u/nKFehsCc888A== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mthzq1VV; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 40D0360720E7 for ; Thu, 5 Nov 2026 15:56:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=mthzq1VV Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4FFC51F000C1; Thu, 5 Nov 2026 15:56:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793894217; bh=fwV/2B3TkwHJXgDq9v3y31qZQLcW8rg2jXVX7Q/BYBs=; h=Date:From:To:Subject:In-Reply-To:References:Cc; b=mthzq1VV++GovyrOsvOve2PzrK1e2YnD6/5c8e6w07xQfL/JkNSOIh4XMpcPdniwm diC7wRhV0Z3jTwQrjoOlGsHxGokLGE/x/ccHqoEEELTm9qyWnPJO2gTQAruanN9+qX tZIHss3uEEY8N6rKhVA3TzbEdfu3fweQ6qgFVUFMQJAeCjo9ODpAqSMZyXMbc9xvgQ SOhUaTSR/mlnqtLkvxTqOfWV1bzVHsMZ+X2P4NhNKgZ86elbsCEAjtkTppZN0E7X7T YHIVctkIVzOQOiQs+W9fCNmU0kh63/NwOPKTg0BbSlhnrs40ou9Hvtby/Rfi8dIDM4 Yv1MzOmCbVxiA== Message-ID: <654ec450bfe86c60279a352014ead93c@kernel.org> Date: Thu, 05 Nov 2026 15:56:54 +0000 From: "Maxime Ripard" To: "Sebastian Wick" Subject: Re: [PATCH 2/2] drm/vkms: Use drm_dev_unplug() for ConfigFS device removal In-Reply-To: <20261031225901.3200167-2-sebastian.wick@redhat.com> References: <20261031225901.3200167-2-sebastian.wick@redhat.com> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, "David Airlie" , "Haneen Mohammed" , "Louis Chauvet" , "Maarten Lankhorst" , "Maxime Ripard" , "Melissa Wen" , "Simona Vetter" , "Thomas Zimmermann" Content-Transfer-Encoding: 7bit X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list On Sat, 31 Oct 2026 23:58:59 +0100, Sebastian Wick wrote: > VKMS ConfigFS devices can be disabled while userspace still holds open > file descriptors. Using drm_dev_unregister() leaves the device in a > state where ioctls are still accepted but internal locks can contend > with the teardown path. Specifically, drmModeGetConnector() triggers > fill_modes which acquires mode_config locks that contend with > > [ ... ] Acked-by: Maxime Ripard Thanks! Maxime