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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7C070CD6E79 for ; Mon, 8 Jun 2026 19:45:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=nOUM233BkDBWLACgplH8WA444SMzwf33kfGfAapuszI=; b=JJ98CwmInIdJ+uj19TJK93t0WT zK+4sVr7iKxZOpLu/SCFlxj01NELqIamf8YUOwkxDsSX+tAiuFqmNOzyapVk/0Rur2JucZZHyak/u Xa0rmOX0lrNE58r6SnKtjDwimjP6eln4IHCVXuy0YXaEhqF2bh5ino7sE8bKcD1Fm0BmaTb0DEzMz 8cVgboM1ADsFUmkaqFGBc+6iw3Jh+TQ3MN1gzQQnGVCTzP7FDsIDiyg8iBOmCDJfqEhx0TG2AcHeE oofk7S0kK87gHU10BF+p7vAN2tGuxWUfAmWKmAEgjKaXOZfuJVPENUHn7AfZJDzvHG2EOS9NUU8qq WbLWohAQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWfuP-00000004Jmm-2aHX; Mon, 08 Jun 2026 19:45:17 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wWfuO-00000004Jmb-3MtB; Mon, 08 Jun 2026 19:45:16 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 735A9440F3; Mon, 8 Jun 2026 19:45:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C51AE1F00898; Mon, 8 Jun 2026 19:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780947916; bh=nOUM233BkDBWLACgplH8WA444SMzwf33kfGfAapuszI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=ijWIg8hEXUjPIsGy30fNPYYxzPq3N1OHeiab4V3QfTyUN7SmS+ddM8BHST4psVUw8 JVd48+84OrFEkT/Wmd1ljv6pgmk/szWVRlpcquySAwMCwo1GU37BvOVV+HbczSeDS3 DqfgkSH5G/IGDA3y/m1HT1BlIMs3jSDrJbhDh5wo3IIQ9wsiWCUmqH/C3qODLC1JRi juw2KI2WBY6ye8L7hAZUTl7LWXJ2u2Iw7CIYbxGLM772r/CjqUarLmZNXqHyxc2O2y nvnRuz1ERBMws+VH0h2/bX37JVlNDrqChe8+Excwz7iLUPgP7N2mIzY06PNaNSuErd qbEQsmgnVFSSA== Date: Mon, 8 Jun 2026 13:45:14 -0600 From: Keith Busch To: Nick Chan Cc: Sven Peter , Janne Grunau , Neal Gompa , Jens Axboe , Christoph Hellwig , Sagi Grimberg , asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2] nvme-apple: Prevent shared tags across queues on Apple A11 Message-ID: References: <20260607-prevent-tag-collision-t8015-v2-1-dc4ef4fb42bc@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260607-prevent-tag-collision-t8015-v2-1-dc4ef4fb42bc@gmail.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Sun, Jun 07, 2026 at 02:10:58PM +0800, Nick Chan wrote: > On Apple A11, tags of pending commands must be unique across the admin > and IO queues, else the firmware crashes with > "duplicate tag error for tag N", with N being the tag. > > Apply the existing workaround for M1 of reserving two tags for the admin > queue to A11. Thanks, applied to nvme-7.2.