From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailout2.w1.samsung.com (mailout2.w1.samsung.com [210.118.77.12]) (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 86BD92BEC20; Wed, 29 Oct 2025 10:00:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.118.77.12 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761732050; cv=none; b=Eiw9duHs7IIFOGlkscHRhfn2ovI1RHSXdW0bb507yBocr68jYsn8m9ibiV24m5hc8vqPtWS6VQWV4lzxGn+tVf8vonKPJzAHbu/lKQDNmduNSgP1pmksrsuoWm3qqLjVytCTeJBBcSVEL67jl2l6OszOaYhabRbC7QjKuEVumaU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761732050; c=relaxed/simple; bh=/ejEbpv3YjlaubY6kroqMVNYHccFsSdgdgs6VeRvqfI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:From:In-Reply-To: Content-Type:References; b=AjMmu+pbDDM0Wyg9q5UbfZ1fWQ1DswuT63gNsESfQE1v82hIw7iYEoBSIcEuHELqLhPilEDWl6J9mlW7yVFKQnNLkcjEptELfs5QCJhX6Cb8g9qa33x/ZxTP9hAhuINBHUPfcHM+LuyhL3uKJT2eH7QKDTLDBq/vCNEEc70J+qE= 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=Q8nA+g0P; arc=none smtp.client-ip=210.118.77.12 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="Q8nA+g0P" Received: from eucas1p1.samsung.com (unknown [182.198.249.206]) by mailout2.w1.samsung.com (KnoxPortal) with ESMTP id 20251029100039euoutp022901308f3eab82458d8910c81b526532~y7fTFrdGq2797727977euoutp027; Wed, 29 Oct 2025 10:00:39 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout2.w1.samsung.com 20251029100039euoutp022901308f3eab82458d8910c81b526532~y7fTFrdGq2797727977euoutp027 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1761732039; bh=Lz0Rir68dfVLNeA+kqLkIpgtVfATL7Zz4GqfoJVdUA8=; h=Date:Subject:To:Cc:From:In-Reply-To:References:From; b=Q8nA+g0P0Lp8yYsVx23P8MkKmaRp5d92Nf+2imBS2NlZqa8/5ThIee3tXBOiLNt99 PjQedQ0JFXgKyV+emfETcayFtfRKIpSeQMZ0pgMqy9Wn3IoNaAw6sZ7VjxwGv7ehjb 3V9ekRK8wOTbOvttHwAsGVylPABrI1wC7ZTCqE2c= Received: from eusmtip1.samsung.com (unknown [203.254.199.221]) by eucas1p2.samsung.com (KnoxPortal) with ESMTPA id 20251029100038eucas1p2fe4a84df0bc07dc1cd96f49b4f740618~y7fRb9PRk1129911299eucas1p2W; Wed, 29 Oct 2025 10:00:38 +0000 (GMT) Received: from [106.210.134.192] (unknown [106.210.134.192]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20251029100034eusmtip1f745a429892e79db9ec765d9fa07cdc8~y7fOJa_AZ2915029150eusmtip1F; Wed, 29 Oct 2025 10:00:34 +0000 (GMT) Message-ID: <5e6eb6f0-fbbb-4359-9c40-075b25231e0d@samsung.com> Date: Wed, 29 Oct 2025 11:00:33 +0100 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: 8bit X-CMS-MailID: 20251029100038eucas1p2fe4a84df0bc07dc1cd96f49b4f740618 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> 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. > > Thanks > > [1] https://lore.kernel.org/all/cover.1758203802.git.leon@kernel.org > [2] https://lore.kernel.org/all/cover.1759071169.git.leon@kernel.org AppliedĀ to dma-mapping-for-next branch. Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland