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charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260302-at-vector-size-arch-v1-5-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=1952; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=H/zS+Ct3UHio/FsL18acsKnK+cbSHWGTE0BjVHLUtvg=; b=zafh0BF3nW0lW74zLMVAm5CMViipzIhJlV12m0OWQt+FQwiQhO8t2F9dDNqKSZeCroOF2w7dU QaM4A6LGzPhCYQpOkBtTE0q/iOHVWPqMyNJAu5/H35A8mav/lYtcmVc X-Developer-Key: i=thomas.weissschuh@linutronix.de; 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In the kernel is always combined with AT_VECTOR_SIZE_BASE, which is not exposed to userspace and also changes from time to time. Move the symbol to a kernel-internal header. Signed-off-by: Thomas Weißschuh --- arch/x86/include/asm/auxvec.h | 12 ++++++++++++ arch/x86/include/uapi/asm/auxvec.h | 13 +++---------- 2 files changed, 15 insertions(+), 10 deletions(-) diff --git a/arch/x86/include/asm/auxvec.h b/arch/x86/include/asm/auxvec.h new file mode 100644 index 000000000000..ed26ad09f3e3 --- /dev/null +++ b/arch/x86/include/asm/auxvec.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_X86_AUXVEC_H +#define _ASM_X86_AUXVEC_H + +/* entries in ARCH_DLINFO: */ +#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64) +# define AT_VECTOR_SIZE_ARCH 3 +#else /* else it's non-compat x86-64 */ +# define AT_VECTOR_SIZE_ARCH 2 +#endif + +#endif /* _ASM_X86_AUXVEC_H */ diff --git a/arch/x86/include/uapi/asm/auxvec.h b/arch/x86/include/uapi/asm/auxvec.h index bdde9e18f94e..6677c9ace117 100644 --- a/arch/x86/include/uapi/asm/auxvec.h +++ b/arch/x86/include/uapi/asm/auxvec.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ -#ifndef _ASM_X86_AUXVEC_H -#define _ASM_X86_AUXVEC_H +#ifndef _UAPI_ASM_X86_AUXVEC_H +#define _UAPI_ASM_X86_AUXVEC_H /* * Architecture-neutral AT_ values in 0-17, leave some room * for more of them, start the x86-specific ones at 32. @@ -10,11 +10,4 @@ #endif #define AT_SYSINFO_EHDR 33 -/* entries in ARCH_DLINFO: */ -#if defined(__KERNEL__) && (defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64)) -# define AT_VECTOR_SIZE_ARCH 3 -#else /* else it's non-compat x86-64 */ -# define AT_VECTOR_SIZE_ARCH 2 -#endif - -#endif /* _ASM_X86_AUXVEC_H */ +#endif /* _UAPI_ASM_X86_AUXVEC_H */ -- 2.53.0