From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8EF1BC43217 for ; Thu, 1 Dec 2022 08:48:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229961AbiLAIsX (ORCPT ); Thu, 1 Dec 2022 03:48:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229939AbiLAIrr (ORCPT ); Thu, 1 Dec 2022 03:47:47 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6560FDFC6 for ; Thu, 1 Dec 2022 00:47:18 -0800 (PST) Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (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 madras.collabora.co.uk (Postfix) with ESMTPSA id 4525E6602A81; Thu, 1 Dec 2022 08:47:14 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1669884434; bh=TB5bLrpKXkDRMFvWFAAHuFF1CR0GtLXdKBtS2KeNsgk=; h=Date:From:Subject:To:Cc:References:In-Reply-To:From; b=WdKKvLiDbZ5CL/lgLFU5onzxpqdklw229IC7HfGsRNaIQ6uOgX6IONurkSzOCHoeK rxUavI8ph2aaXDzEWpIr4mJab/E/hBwRm8WEBNHpZ+0vYt5SNgZi3LUwWle7DQLtC8 QXCsnqZ3SE56b4IImBdljrDWT6pkObBJZtXL+OJP85fN4D2ILKsC2BpHBtMkMLviQ4 xvqa242prCZd7fSPGXwgqRuA5yr07wTVV1aTnyKwu3y1bmzqKz3FvRMVaZFCG89ADq E8DS+tzoUVUs33qPwjWYstxgSzBR11dfF0h7mins8qs1Wi/IuZz16wbBrhZ0/waAud pTjMmWysnytMw== Message-ID: Date: Thu, 1 Dec 2022 09:47:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.0 From: AngeloGioacchino Del Regno Subject: Re: [PATCH v3] mailbox: mtk-cmdq: Do not request irq until we are ready To: Ricardo Ribalda , Jassi Brar , Matthias Brugger Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org References: <20221125-mtk-mailbox-v3-0-c4b635052b65@chromium.org> Content-Language: en-US In-Reply-To: <20221125-mtk-mailbox-v3-0-c4b635052b65@chromium.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 30/11/22 13:58, Ricardo Ribalda ha scritto: > If the system comes from kexec() the peripheral might trigger an IRQ > befoe we are ready for it. Triggering a crash due to an access to > invalid memory. > > Signed-off-by: Ricardo Ribalda Reviewed-by: AngeloGioacchino Del Regno