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emacs 30.0.50 From: Z572 <873216071@qq.com> To: guix-devel@gnu.org Subject: binfmt_misc Date: Sat, 02 Mar 2024 15:56:12 +0800 Message-ID: <87msrh2glr.fsf@qq.com> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=162.62.57.210; envelope-from=873216071@qq.com; helo=out162-62-57-210.mail.qq.com X-Spam_score_int: 11 X-Spam_score: 1.1 X-Spam_bar: + X-Spam_report: (1.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, HELO_DYNAMIC_IPADDR=1.951, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_DYNAMIC=0.982, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Scanner: mx10.migadu.com X-Migadu-Spam-Score: 0.03 X-Spam-Score: 0.03 X-Migadu-Queue-Id: 246C5A3F6 X-TUID: cmrcDmRhrGwV hello! see https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=21ca59b365c0 linux 6.7 support use binfmt_misc to add new binary formats within unprivileged namespaces, I think this improves guix reproducibility and also avoids leakage of the host's binfmt into the compilation environment, improves the cross-compilation environment, and potentially unlocks more features, such as not having to system-configure qemu-binfmt, running x86-64 software on a riscv64 machine using `guix pack', guix shell -C -s riscv64-linux, etc.