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Sun, 26 May 2024 09:06:01 +0000 (UTC) Date: Sun, 26 May 2024 11:05:54 +0200 From: Borislav Petkov To: "Balasubrmanian, Vignesh" Cc: "Balasubrmanian, Vignesh" , Thomas Gleixner , "linux-kernel@vger.kernel.org" , "linux-toolchains@vger.kernel.org" , "mpe@ellerman.id.au" , "npiggin@gmail.com" , "christophe.leroy@csgroup.eu" , "aneesh.kumar@kernel.org" , "naveen.n.rao@linux.ibm.com" , "ebiederm@xmission.com" , "keescook@chromium.org" , "x86@kernel.org" , "linuxppc-dev@lists.ozlabs.org" , "linux-mm@kvack.org" , "George, Jini Susan" , "matz@suse.de" , "binutils@sourceware.org" , "jhb@FreeBSD.org" , "felix.willgerodt@intel.com" Subject: Re: [PATCH v2 1/1] x86/elf: Add a new .note section containing Xfeatures information to x86 core files Message-ID: <20240526090554.GAZlL7cpva88mMUbCK@fat_crate.local> References: <87wmo4o3r4.ffs@tglx> <4a090901-9705-40aa-ac3d-d67c52660f22@amd.com> <20240522153433.GCZk4QiX4Hf0OuI48E@fat_crate.local> <902b1bf0-15e6-42df-8f86-21387deef437@amd.com> <20240523144543.GDZk9WlwKpCKx8I3RE@fat_crate.local> <664e101b-3689-4876-825b-a5aa12b7978f@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <664e101b-3689-4876-825b-a5aa12b7978f@amd.com> X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 0C431C001C X-Stat-Signature: tfpqs5tk85dk4w49exuhzabb1h3muarz X-Rspam-User: X-HE-Tag: 1716714387-48946 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000008, 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 Sun, May 26, 2024 at 10:24:41AM +0530, Balasubrmanian, Vignesh wrote: > If we can add a new enum only when we extend, then as Thomas suggested can > we use other kernel variables as in the first version of the patch until we > extend for other/new features? I assume by "other kernel variables" you mean CPUID? If so, can you change the layout of your buffer once you export it to userspace? -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette