diff --git a/arch/arm64/include/asm/current.h b/arch/arm64/include/asm/current.h index 2e61d21294ba..483a6c9d3e10 100644 --- a/arch/arm64/include/asm/current.h +++ b/arch/arm64/include/asm/current.h @@ -10,9 +10,17 @@ #ifdef CONFIG_THREAD_INFO_IN_TASK struct task_struct; +/* + * We don't use read_sysreg() as we want the compiler to cache the value where + * possible. + */ static __always_inline struct task_struct *get_current(void) { - return (struct task_struct *)read_sysreg(sp_el0); + unsigned long sp_el0; + + asm ("mrs %0, sp_el0" : "=r" (sp_el0)); + + return (struct task_struct *)sp_el0; } #define current get_current() #else