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([2a01:e0a:c:37e0:ced3:55bd:f454:e722]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43935c4f4aasm70175115e9.22.2025.02.10.03.14.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 10 Feb 2025 03:14:35 -0800 (PST) Message-ID: <3c0e06d4-b5b7-45cf-bc42-8f12b293b7da@redhat.com> Date: Mon, 10 Feb 2025 12:14:33 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v7] drm/virtio: Add drm_panic support To: Dmitry Osipenko , Ryosuke Yasuoka , airlied@redhat.com, kraxel@redhat.com, gurchetansingh@chromium.org, olvaffe@gmail.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, daniel@ffwll.ch Cc: virtualization@lists.linux.dev, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org References: <20250206104300.416014-1-ryasuoka@redhat.com> Content-Language: en-US, fr From: Jocelyn Falempe In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/02/2025 18:45, Dmitry Osipenko wrote: > On 2/6/25 13:42, Ryosuke Yasuoka wrote: >> Virtio gpu supports the drm_panic module, which displays a message to >> the screen when a kernel panic occurs. It is supported where it has >> vmapped shmem BO. >> >> Signed-off-by: Jocelyn Falempe >> Signed-off-by: Ryosuke Yasuoka >> --- > > Applied to misc-next, thanks! > > I've tested v7 with a different capsets, works well. For a non-VT FB the > vmap indeed will be needed. Looking forward to the atomic vmap support. > The rough idea of the atomic vmap helper is to make vmap code paths fail > whenever hitting path that needs to sleep. Likely will be easy to implement. > Thanks for your support. I will see if we can do something for atomic vmap support for shmem. Best regards, -- Jocelyn