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authorThomas Weißschuh <thomas.weissschuh@linutronix.de>2026-01-14 08:28:16 +0100
committerArnd Bergmann <arnd@arndb.de>2026-01-30 16:46:17 +0100
commite356da60144bcd06bf2880999f67a6415a7499d5 (patch)
tree3cf9ccf46fdf7a6450463d303498b3a3ca4e0a6d
parent9b21aa9f038184aa49f894e663957933507718d1 (diff)
x86/uapi: Stop leaking kconfig references to userspace
UAPI headers are not supposed to leak references to kconfig symbols. These won't be set when building userspace. Hide the kconfig reference behind 'if defined(__KERNEL__)', so it will be stripped by headers_install.sh. The result for userspace will be the same, but the exceptions in headers_install.sh can also be removed. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--arch/x86/include/uapi/asm/auxvec.h2
-rwxr-xr-xscripts/headers_install.sh2
2 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/include/uapi/asm/auxvec.h b/arch/x86/include/uapi/asm/auxvec.h
index 6beb55bbefa4..bdde9e18f94e 100644
--- a/arch/x86/include/uapi/asm/auxvec.h
+++ b/arch/x86/include/uapi/asm/auxvec.h
@@ -11,7 +11,7 @@
#define AT_SYSINFO_EHDR 33
/* entries in ARCH_DLINFO: */
-#if defined(CONFIG_IA32_EMULATION) || !defined(CONFIG_X86_64)
+#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
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 613f400a67d1..1301ba68d772 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -70,8 +70,6 @@ configs=$(sed -e '
#
# The format is <file-name>:<CONFIG-option> in each line.
config_leak_ignores="
-arch/x86/include/uapi/asm/auxvec.h:CONFIG_IA32_EMULATION
-arch/x86/include/uapi/asm/auxvec.h:CONFIG_X86_64
"
for c in $configs