From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8620E388360; Mon, 8 Jun 2026 19:45:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780947917; cv=none; b=eGriTXxF0ejAkT0ZGf5FdyfRMOruQIW0BIY0uPdb46BMiDk+oLackeLjk8smvmUspV1K9TFoAh3ak1HabNjfaPHd8gozbyTOzipH8BK7enHlT6aCqVSsIYuqxsjVdz/N7poap8K6FjJmwdl+AwqjHfu1rT9YFvLlFWGoXIJ+psQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780947917; c=relaxed/simple; bh=XQ11Rq1e58nQgzUhJEvKxGwl+m9/K14suhoVGq61YTA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Vs3buC3oxQPnN80SjiQxp3gANqw+2ZxZ6Fqt7UFfSGMbEv1nTcQWy4qFYP/bC3HF+Yqty97rDdpr4hkEgjjc5Mic5tAovLlgnynje56Okj+SNNqY5g9fX69fWTCLdsapLlurXFSnVViTcFSewuLoAe7/BAgzha/9ZsBId+osK1I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ijWIg8hE; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ijWIg8hE" 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> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> 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.