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charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260302-at-vector-size-arch-v1-3-a11f03ba2ca8@linutronix.de> References: <20260302-at-vector-size-arch-v1-0-a11f03ba2ca8@linutronix.de> In-Reply-To: <20260302-at-vector-size-arch-v1-0-a11f03ba2ca8@linutronix.de> To: Kees Cook , Arnd Bergmann Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-riscv@lists.infradead.org, loongarch@lists.linux.dev, linux-s390@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-mips@vger.kernel.org, sparclinux@vger.kernel.org, linux-sh@vger.kernel.org, linux-alpha@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1772454343; l=2425; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=juGti0dpwtScxN3ZOParltAs+5PHUSX08Ot1ja9jIhY=; b=Xcrk5dRYDUnYdF4eUZUFljFjwJQobHGx53H0FPFSGhAS/a5w0rdNpYo278IFrTj31KWMPplHV UTZtJZTy+WEAZQyCi2JwlViZJY/10n5lJZhKwTiWSCLwCN/M5GCwyen X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= X-Rspamd-Queue-Id: F165C40006 X-Stat-Signature: hq7ez3fto17wzbhhn1shoui15c5t1eg9 X-Rspam-User: X-Rspamd-Server: rspam05 X-HE-Tag: 1772454347-465979 X-HE-Meta: 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 Rce0jD3v 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Upcoming changes will create architecture-specific asm/auxvec.h headers. Add asm-generic infrastructure to handle the fallbacks for architectures which are not migrated yet and those which won't require their own definition. Extend the list of includes in linux/auxvec.h to cover all potential low-level auxvec.h headers. Signed-off-by: Thomas Weißschuh --- MAINTAINERS | 2 ++ include/asm-generic/Kbuild | 1 + include/asm-generic/auxvec.h | 7 +++++++ include/linux/auxvec.h | 2 ++ 4 files changed, 12 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 7a2c952d72bd..239c4e3ef5c6 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -9573,12 +9573,14 @@ L: linux-mm@kvack.org S: Supported T: git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/execve F: Documentation/userspace-api/ELF.rst +F: arch/*/include/asm/auxvec.h F: arch/*/include/uapi/asm/auxvec.h F: fs/*binfmt_*.c F: fs/Kconfig.binfmt F: fs/exec.c F: fs/tests/binfmt_*_kunit.c F: fs/tests/exec_kunit.c +F: include/asm-generic/auxvec.h F: include/linux/auxvec.h F: include/linux/binfmts.h F: include/linux/elf.h diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 9aff61e7b8f2..756a991aef67 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -6,6 +6,7 @@ mandatory-y += atomic.h mandatory-y += archrandom.h +mandatory-y += auxvec.h mandatory-y += barrier.h mandatory-y += bitops.h mandatory-y += bug.h diff --git a/include/asm-generic/auxvec.h b/include/asm-generic/auxvec.h new file mode 100644 index 000000000000..e4abd2a8c5ed --- /dev/null +++ b/include/asm-generic/auxvec.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_GENERIC_AUXVAL_H__ +#define __ASM_GENERIC_AUXVAL_H__ + +#define AT_VECTOR_SIZE_ARCH 0 + +#endif diff --git a/include/linux/auxvec.h b/include/linux/auxvec.h index 943e8b80b41e..68c9d6b118a9 100644 --- a/include/linux/auxvec.h +++ b/include/linux/auxvec.h @@ -2,7 +2,9 @@ #ifndef _LINUX_AUXVEC_H #define _LINUX_AUXVEC_H +#include #include +#include #define AT_VECTOR_SIZE_BASE 22 /* NEW_AUX_ENT entries in auxiliary table */ /* number of "#define AT_.*" above, minus {AT_NULL, AT_IGNORE, AT_NOTELF} */ -- 2.53.0