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Shutemov" Cc: Tom Lendacky , Thomas Gleixner , Ingo Molnar , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Andy Lutomirski , Albert Ou , Alexei Starovoitov , Andrea Parri , Arnd Bergmann , Daniel Borkmann , Eric Chan , Jason Gunthorpe , Kai Huang , Kefeng Wang , Kent Overstreet , Palmer Dabbelt , Paul Walmsley , Russell King , Samuel Holland , Suren Baghdasaryan , Yuntao Wang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, stable@vger.kernel.org, Ashish Kalra , "Maciej W. Rozycki" Subject: Re: [PATCHv3 2/2] x86/mm: Make memremap(MEMREMAP_WB) map memory as encrypted by default Message-ID: <20250115103438.GAZ4ePPs5pxvLLOmIO@fat_crate.local> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250115_023523_664615_B5687B52 X-CRM114-Status: UNSURE ( 8.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jan 15, 2025 at 12:23:54PM +0200, Kirill A. Shutemov wrote: > I am okay with the change above. Borislav, is it acceptable direction for > you? Yes, Tom and I have been talking offlist about making the *map code figure out itself what type of encryption setting it should use, based on the platform. It'll need a proper analysis, though, what all the possible usages are to see whether that scheme would be adequeate. Something to experiment with after the merge window. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette