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[34.83.236.195]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b9cae110acsm107750285ad.42.2026.05.04.17.30.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 May 2026 17:30:02 -0700 (PDT) Date: Tue, 5 May 2026 00:29:58 +0000 From: Samiullah Khawaja To: Marek Szyprowski , Will Deacon , Jason Gunthorpe Cc: Pasha Tatashin , Mike Rapoport , Pratyush Yadav , Alexander Graf , Robin Murphy , Kevin Tian , iommu@lists.linux.dev, kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, David Matlack , Andrew Morton , Pranjal Shrivastava , Vipin Sharma Subject: Re: [RFC PATCH 0/4] dma-mapping: Add preservation of direct allocations Message-ID: References: <20260505002320.2210067-1-skhawaja@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20260505002320.2210067-1-skhawaja@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260504_173005_695299_8FEF8213 X-CRM114-Status: UNSURE ( 8.72 ) X-CRM114-Notice: Please train this message. X-BeenThere: kexec@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "kexec" Errors-To: kexec-bounces+kexec=archiver.kernel.org@lists.infradead.org On Tue, May 05, 2026 at 12:23:16AM +0000, Samiullah Khawaja wrote: >This is an RFC to discuss the preservation of DMA allocations for >devices that are using direct allocation mode. Note preservation here >means preservation of physical memory only using KHO. IOVAs and IOMMU >mappings are out of scope. > Sorry, please ignore this separate cover letter email. It was sent by mistake and has wrong prerequisite-patch-id.