From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout1.w1.samsung.com (mailout1.w1.samsung.com [210.118.77.11]) (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 81778287507; Mon, 20 Oct 2025 16:27:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.118.77.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760977661; cv=none; b=Vfo2Y1Fmfz7fOnvVg8rVrYrXoHpdZexXl0TwphoShEQWXdC17L7rpHlQEYG0KSGYXh9Tq1wNhB9AObCb8IfrjikzXHTCrNcKUEf5U/NF2PKzoBaXJ3HEwqUbxVvkK6X7fnaW1sgWc0TWMBjq3fTv8IxnSXYtOiF31upZ3UG0K/U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760977661; c=relaxed/simple; bh=Vabp+0+S/4DTZ4v4reVqmI30Vzed+Tmcb8OyEwtERHU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:From:In-Reply-To: Content-Type:References; b=eOCJC56yTlk4gvSx/S2H2H15BW7sOpQLrub95K/gCinAZu4g2xwL7hrnz9txWJUAYun9vQ8S0JfjymHXT+g1rkQOZQUUC9sr6mtEXP9U0V06tKfTGfWdOhDkboq8JaJhs1VWmou7RviuUDchmb1pT813T4xQGPYf4UGh35K5g2I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com; spf=pass smtp.mailfrom=samsung.com; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b=KX6ZcktJ; arc=none smtp.client-ip=210.118.77.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=samsung.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=samsung.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=samsung.com header.i=@samsung.com header.b="KX6ZcktJ" Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout1.w1.samsung.com (KnoxPortal) with ESMTP id 20251020162737euoutp01a7ea5ea3a3593576d6931ec88825e51e~wP9lezYs81013510135euoutp01e; Mon, 20 Oct 2025 16:27:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout1.w1.samsung.com 20251020162737euoutp01a7ea5ea3a3593576d6931ec88825e51e~wP9lezYs81013510135euoutp01e DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1760977657; bh=e1+m70MIpIyLz0CgkjVmG+Zs9EMNilUICX9qZOez4wM=; h=Date:Subject:To:Cc:From:In-Reply-To:References:From; b=KX6ZcktJJB15hpYlnrrgQKN5QMQizY7xdPAAhwp/El6wk7EM1ZJ6O6Pj837PofyJ0 migBg+i6L8vxe8bZ5F9hMcPUSOwsRbNZdnHxT7YLQRx589Age6y9jtnUV7j+rxCbcf lscFl8Zw2Bwk6HlnV8xYW2UgmAXjN9fs/Wr5RS2Y= Received: from eusmtip2.samsung.com (unknown [203.254.199.222]) by eucas1p1.samsung.com (KnoxPortal) with ESMTPA id 20251020162736eucas1p1ef138572570fd17f7ba8cf6e6bc78ba6~wP9lIhm7s0044200442eucas1p1L; Mon, 20 Oct 2025 16:27:36 +0000 (GMT) Received: from [106.210.134.192] (unknown [106.210.134.192]) by eusmtip2.samsung.com (KnoxPortal) with ESMTPA id 20251020162733eusmtip2068f969d861135995e1cd515194afc64~wP9hxNWHW2552125521eusmtip2Y; Mon, 20 Oct 2025 16:27:33 +0000 (GMT) Message-ID: <4a47088d-6542-45f2-917b-c91f7dd1eb1a@samsung.com> Date: Mon, 20 Oct 2025 18:27:32 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Betterbird (Windows) Subject: Re: [PATCH v5 00/14] Remove DMA map_page/map_resource and their unmap callbacks To: Leon Romanovsky , Robin Murphy , Russell King , Juergen Gross , Stefano Stabellini , Oleksandr Tyshchenko , Richard Henderson , Matt Turner , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Geoff Levand , "David S. Miller" , Andreas Larsson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, xen-devel@lists.xenproject.org, linux-alpha@vger.kernel.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, sparclinux@vger.kernel.org, Magnus Lindholm , Jason Gunthorpe Content-Language: en-US From: Marek Szyprowski In-Reply-To: <20251015-remove-map-page-v5-0-3bbfe3a25cdf@kernel.org> Content-Transfer-Encoding: 7bit X-CMS-MailID: 20251020162736eucas1p1ef138572570fd17f7ba8cf6e6bc78ba6 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20251015091313eucas1p2426ae40b579d7f3b4f29b46e0e788c0d X-EPHeader: CA X-CMS-RootMailID: 20251015091313eucas1p2426ae40b579d7f3b4f29b46e0e788c0d References: <20251015-remove-map-page-v5-0-3bbfe3a25cdf@kernel.org> Dear All, On 15.10.2025 11:12, Leon Romanovsky wrote: > This series is a combination of previous two steps [1, 2] to reduce > number of accesses to struct page in the code "below" DMA layer. > > In this series, the DMA .map_page/.map_resource/.unmap_page/.unmap_resource > callbacks are converted to newly introduced .map_phys/.unmap_phys interfaces. I would like to have some acks from respective arch maintainers before applying this patchset. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland