diff options
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/current.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/include/asm/current.h b/arch/arm/include/asm/current.h index 1d472fa7697b..6bf0aad672c3 100644 --- a/arch/arm/include/asm/current.h +++ b/arch/arm/include/asm/current.h @@ -26,12 +26,17 @@ static inline struct task_struct *get_current(void) { struct task_struct *cur; -#if __has_builtin(__builtin_thread_pointer) +#if __has_builtin(__builtin_thread_pointer) && \ + !(defined(CONFIG_THUMB2_KERNEL) && \ + defined(CONFIG_CC_IS_CLANG) && CONFIG_CLANG_VERSION < 130001) /* * Use the __builtin helper when available - this results in better * code, especially when using GCC in combination with the per-task * stack protector, as the compiler will recognize that it needs to * load the TLS register only once in every function. + * + * Clang < 13.0.1 gets this wrong for Thumb2 builds: + * https://github.com/ClangBuiltLinux/linux/issues/1485 */ cur = __builtin_thread_pointer(); #else |