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Sat, 04 Jan 2025 06:38:42 -0800 (PST) Received: from localhost ([2400:4050:b783:b00:4952:3c52:120a:27e9]) by smtp.gmail.com with UTF8SMTPSA id d9443c01a7336-219dc97182dsm261833855ad.82.2025.01.04.06.38.38 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 04 Jan 2025 06:38:42 -0800 (PST) From: Akihiko Odaki Subject: [PATCH v2 0/5] elf: Define note name macros Date: Sat, 04 Jan 2025 23:38:33 +0900 Message-Id: <20250104-elf-v2-0-77dc2e06db4e@daynix.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAOlHeWcC/y2MywrCMBBFf6XM2kieaFz5H9JFTKZ2QFNJJLSU/ LsxuDyXe84OGRNhhsuwQ8JCmZbYQB4G8LOLD2QUGoPkUgspOMPnxO5njk5Zbb2y0J7vhBOtvXI bG8+UP0vaerSI3/r3pel+EUywk0WruTI8GH4Nbou0Hv3ygrHW+gVYO/OllwAAAA== To: Eric Biederman , Kees Cook , Catalin Marinas , Mark Brown , Dave Martin , Baoquan He , Vivek Goyal , Dave Young Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, kexec@lists.infradead.org, devel@daynix.com, Akihiko Odaki X-Mailer: b4 0.14-dev-fd6e3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250104_063844_595737_32F2C86D X-CRM114-Status: GOOD ( 11.69 ) 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 elf.h had a comment saying: > Notes used in ET_CORE. Architectures export some of the arch register > sets using the corresponding note types via the PTRACE_GETREGSET and > PTRACE_SETREGSET requests. > The note name for these types is "LINUX", except NT_PRFPREG that is > named "CORE". However, NT_PRSTATUS is also named "CORE". It is also unclear what "these types" refers to. To fix these problems, define a name for each note type. The added definitions are macros so the kernel and userspace can directly refer to them. Signed-off-by: Akihiko Odaki --- Changes in v2: - Added a macro definition for each note type instead of trying to describe in a comment. - Link to v1: https://lore.kernel.org/r/20241225-elf-v1-1-79e940350d50@daynix.com --- Akihiko Odaki (5): elf: Define note name macros binfmt_elf: Use note name macros powwerpc: Use note name macros crash: Use note name macros crash: Remove KEXEC_CORE_NOTE_NAME arch/powerpc/kernel/fadump.c | 2 +- arch/powerpc/platforms/powernv/opal-core.c | 8 +-- arch/s390/kernel/crash_dump.c | 2 +- fs/binfmt_elf.c | 21 ++++---- fs/binfmt_elf_fdpic.c | 8 +-- fs/proc/kcore.c | 12 ++--- include/linux/kexec.h | 2 - include/linux/vmcore_info.h | 3 +- include/uapi/linux/elf.h | 86 ++++++++++++++++++++++++++++-- kernel/crash_core.c | 2 +- 10 files changed, 111 insertions(+), 35 deletions(-) --- base-commit: a32e14f8aef69b42826cf0998b068a43d486a9e9 change-id: 20241210-elf-b80ea3949c39 Best regards, -- Akihiko Odaki