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X-CSE-ConnectionGUID: 0ZLI/DOaQTWscCSH7y46Rw== X-CSE-MsgGUID: Oe5rVHUYTlCDisKlut5L7A== X-IronPort-AV: E=McAfee;i="6700,10204,11417"; a="47641315" X-IronPort-AV: E=Sophos;i="6.15,247,1739865600"; d="scan'208";a="47641315" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2025 19:13:27 -0700 X-CSE-ConnectionGUID: vTMeR4UxT2GBmzm6ilMYHw== X-CSE-MsgGUID: qu1jwlhkTHumLQTjOKxa+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,247,1739865600"; d="scan'208";a="137721865" Received: from allen-sbox.sh.intel.com (HELO [10.239.159.30]) ([10.239.159.30]) by fmviesa003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Apr 2025 19:13:19 -0700 Message-ID: Date: Tue, 29 Apr 2025 10:09:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v10 02/24] dma-mapping: move the PCI P2PDMA mapping helpers to pci-p2pdma.h To: Leon Romanovsky , Marek Szyprowski , Jens Axboe , Christoph Hellwig , Keith Busch Cc: Jake Edge , Jonathan Corbet , Jason Gunthorpe , Zhu Yanjun , Robin Murphy , Joerg Roedel , Will Deacon , Sagi Grimberg , Bjorn Helgaas , Logan Gunthorpe , Yishai Hadas , Shameer Kolothum , Kevin Tian , Alex Williamson , =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= , Andrew Morton , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, linux-pci@vger.kernel.org, kvm@vger.kernel.org, linux-mm@kvack.org, Niklas Schnelle , Chuck Lever , Luis Chamberlain , Matthew Wilcox , Dan Williams , Kanchan Joshi , Chaitanya Kulkarni , Leon Romanovsky References: <1c9f2a2e97f77d6eebb5e19651723c0459e0dc29.1745831017.git.leon@kernel.org> Content-Language: en-US From: Baolu Lu In-Reply-To: <1c9f2a2e97f77d6eebb5e19651723c0459e0dc29.1745831017.git.leon@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 40D24140008 X-Stat-Signature: tce1hdm3kptg5gqtyu77ysqrgypdfznx X-Rspam-User: X-HE-Tag: 1745892808-450436 X-HE-Meta: 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 r/L9FFRy u8uJWIPW61Vy/n/7oW6xvnaMMhFCe1wygbyYC0iVgCeZ6gb0lJuPfGA/fg6apWC8A8Ny57v8cSCIzYa0prDfLFRpbxr2QFeqx3WGhS3EUjAmoiHap4G0TL9sIW/RnICdk9pSwEmPt72zHY0UD7pUfAKiXytGnISeXF0Vnbe3JLConWdAmSWTAa2GR5QpSxLMDRvkWVXfTzkrxKfdQgrjaw5x9yk45b6lM4PDGSUx4y8tEzzb3HM9KOMWL7t6Qp4W0BdlFTANY6l70/N9DMspVnKObVzDw1Ug5pA0vVc7rYl/fNWq9inEx1FqO2hbB9JNsqKmxV2Mpd55TcTy1LeGrS3xfzQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/28/25 17:22, Leon Romanovsky wrote: > From: Christoph Hellwig > > To support the upcoming non-scatterlist mapping helpers, we need to go > back to have them called outside of the DMA API. Thus move them out of > dma-map-ops.h, which is only for DMA API implementations to pci-p2pdma.h, > which is for driver use. > > Note that the core helper is still not exported as the mapping is > expected to be done only by very highlevel subsystem code at least for > now. > > Signed-off-by: Christoph Hellwig > Reviewed-by: Logan Gunthorpe > Acked-by: Bjorn Helgaas > Tested-by: Jens Axboe > Reviewed-by: Luis Chamberlain > Signed-off-by: Leon Romanovsky Reviewed-by: Lu Baolu