From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2D3131A707D; Tue, 10 Dec 2024 12:26:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733833588; cv=none; b=qmmAFtcHOdt8xDkIS/HrFySCzd2bxOi9JAm/POhKggXpnQXxU9CtNlQsehDmUA3m7TN3RvNqDJrbM+5AtAgD9SMbn/NuRhj8g4oPouVSgJCF1eytHoHpvKK/Gh90AMrtFMlB1lc10MMXwrdlZizZcwVnQzTwaStrrkxWSHIIhHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733833588; c=relaxed/simple; bh=1bKp1Azykws4tRv1nJYZOZ53DcWHEwXvVpnb7WdkpS8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=b7z18iXbVKyXcDV7woK910zV1ftgJz5ylkUQhVQafry62Xb2mUteC6faPCVu0rWa5LysDd2RAJ8Dv3FoZSFBUUg7uEei+iyFeC4CmfpK/cBrkRhs7cxeVY1hMaXsOeF3GQqZTYEZjGC3+gYnu0yEM5HFkPWgHIowGcJ7yQ0yMsc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 564E81063; Tue, 10 Dec 2024 04:26:53 -0800 (PST) Received: from [10.57.91.204] (unknown [10.57.91.204]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 5EDD53F5A1; Tue, 10 Dec 2024 04:26:23 -0800 (PST) Message-ID: Date: Tue, 10 Dec 2024 12:26:21 +0000 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Patch "iommu: Clean up open-coded ownership checks" has been added to the 6.6-stable tree To: Greg KH Cc: stable@vger.kernel.org, stable-commits@vger.kernel.org, Will Deacon , Joerg Roedel , Rob Clark , Yong Wu , Matthias Brugger , AngeloGioacchino Del Regno , Orson Zhai , Baolin Wang , Chunyan Zhang , Jean-Philippe Brucker References: <20241209112746.3166260-1-sashal@kernel.org> <2024121015-duke-dispose-ecec@gregkh> From: Robin Murphy Content-Language: en-GB In-Reply-To: <2024121015-duke-dispose-ecec@gregkh> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 2024-12-10 12:17 pm, Greg KH wrote: > On Tue, Dec 10, 2024 at 12:09:42PM +0000, Robin Murphy wrote: >> On 2024-12-09 11:27 am, Sasha Levin wrote: >>> This is a note to let you know that I've just added the patch titled >>> >>> iommu: Clean up open-coded ownership checks >>> >>> to the 6.6-stable tree which can be found at: >>> http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary >>> >>> The filename of the patch is: >>> iommu-clean-up-open-coded-ownership-checks.patch >>> and it can be found in the queue-6.6 subdirectory. >>> >>> If you, or anyone else, feels it should not be added to the stable tree, >>> please let know about it. >> >> Unless you're also going to backport the rest of the larger redesign which >> makes this commit message true, I don't think this is appropriate. > > It's needed because of: > >>> Stable-dep-of: 229e6ee43d2a ("iommu/arm-smmu: Defer probe of clients after smmu device bound") > > That commit. > > Is this still not relevant? It's not a functional dependency though, just context, and in this case I think a manual resolution is a lot safer to reason about. Lemme just remind myself how to write up a backport patch correctly, and I'll send it out shortly... Cheers, Robin. > > thanks, > > greg k-h