From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 4C19D53CA69; Tue, 22 Sep 2026 11:40:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077211; cv=none; b=C1ECBJrRh0syCe067ahicHN0TLBa63qSG57F6FZ4LaEjv4ngiWG22azpVrD1hSoxfLIKSHGzP1ovUPoYbJiiMLmQh4peGayz6X322DXY9qVlSeKoJzZTBsmUlnir3kBZzXK/nkQ+EV4Wd5+9Bt7FsFIyft8AN+yzWej7pQy7JwM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077211; c=relaxed/simple; bh=wXBz31YYAqZAgxYBge5P36ysNsF9WzmlFm5K4PaRbgE=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=ol6ksCx4dEnEv+Y9uBw8sPSC91RGhx4TjLYfpFVq4TSKWydSDjVUH+UdGEF5rDEX0/XiEYs51v9RI5JR3PGX6j6he99ScFGdbbSNj5tejSV1AdDv/hLR6kFQm1KWNVA3Md98jOklxdwHVnLkO16HQOuIdLxOrvUPhLttcnh41t8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=oE1ydEiX; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="oE1ydEiX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1790077199; bh=wXBz31YYAqZAgxYBge5P36ysNsF9WzmlFm5K4PaRbgE=; h=Date:Subject:To:References:From:In-Reply-To:From; b=oE1ydEiXT0YFVSwwKAwRK1QjdOU8PyAEzxmKSShu5U0YKqp1bvu1S5Vbm69pIoR5k SvId+xQbBPwc5wb5EhWDvjmP0RneGeoIbNs3X+n8S5yVjF1avpa0wXFk/yWeaZTkjx fGMLlUz1vSjcaL6jN1Z8cNv6Lbtp4TY2ZHkUjClNTtdeigTh0/hPWFuBWljNce1z4L 8ZLVj1nG31VxEjFnlmxzn6rSGzq9x1S3xQGeSyZ0bd+KQHMr+3y0dMf9IofL3HtR0u aegtKGbtJ+EcxdHw0+/fxlr96ICWP7wlPpocoRWBroUExx6fJCOSSYzQUIoPZLbbbE u2tfVvONXUlbA== Received: from [100.64.1.21] (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id DB4B817E0E01; Tue, 22 Sep 2026 13:39:58 +0200 (CEST) Message-ID: <3d056e8f-2d03-4356-b205-f7c1fd47d713@collabora.com> Date: Tue, 22 Sep 2026 13:39:58 +0200 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 v17 08/12] media: mediatek: jpeg: fix remove buffer removal timing for multi-core To: Kyrie Wu , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Bin Liu , kyrie wu , Hans Verkuil , irui wang , Nicolas Dufresne , linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org References: <20260922091530.241762-1-kyrie.wu@mediatek.com> <20260922091530.241762-9-kyrie.wu@mediatek.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20260922091530.241762-9-kyrie.wu@mediatek.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/22/26 11:15, Kyrie Wu wrote: > Move calls to v4l2_m2m_src/dst_buf_remove() inside of the spinlock > protected scope to ensure all necessary operations are performed > before buffers are removed from their queues and ensure proper > synchronization of buffer handling to avoid buffer lost. > > Fixes: 86379bd9d399 ("media: mtk-jpeg: Fixes jpeg enc&dec worker sw flow") > Signed-off-by: Kyrie Wu > Reviewed-by: Nicolas Dufresne Reviewed-by: AngeloGioacchino Del Regno