[GIT PULL] core/urgent fix

From: Ingo Molnar

Date: Fri Sep 26 2025 - 09:39:27 EST


Linus,

Please pull the latest core/urgent Git tree from:

git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core-urgent-2025-09-26

# HEAD: e2ffa15b9baa447e444d654ffd47123ba6443ae4 kbuild: Disable CC_HAS_ASM_GOTO_OUTPUT on clang < 17

Fix a CONFIG_CC_HAS_ASM_GOTO_OUTPUT=y bug on older Clang versions.

Thanks,

Ingo

------------------>
Thomas Gleixner (1):
kbuild: Disable CC_HAS_ASM_GOTO_OUTPUT on clang < 17


init/Kconfig | 3 +++
1 file changed, 3 insertions(+)

diff --git a/init/Kconfig b/init/Kconfig
index e3eb63eadc87..ecddb94db8dc 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -99,7 +99,10 @@ config GCC_ASM_GOTO_OUTPUT_BROKEN
config CC_HAS_ASM_GOTO_OUTPUT
def_bool y
depends on !GCC_ASM_GOTO_OUTPUT_BROKEN
+ # Detect basic support
depends on $(success,echo 'int foo(int x) { asm goto ("": "=r"(x) ::: bar); return x; bar: return 0; }' | $(CC) -x c - -c -o /dev/null)
+ # Detect clang (< v17) scoped label issues
+ depends on $(success,echo 'void b(void **);void* c(void);int f(void){{asm goto("jmp %l0"::::l0);return 0;l0:return 1;}void *x __attribute__((cleanup(b)))=c();{asm goto("jmp %l0"::::l1);return 2;l1:return 3;}}' | $(CC) -x c - -c -o /dev/null)

config CC_HAS_ASM_GOTO_TIED_OUTPUT
depends on CC_HAS_ASM_GOTO_OUTPUT