diff --git a/arch/x86/include/asm/spec-ctrl.h b/arch/x86/include/asm/spec-ctrl.h index 6e2874049afdc8cf3785845f778f7169eb8d064a..82b6c5a0d61e057d271e9131536494709402d0d5 100644 --- a/arch/x86/include/asm/spec-ctrl.h +++ b/arch/x86/include/asm/spec-ctrl.h @@ -42,6 +42,11 @@ extern void speculative_store_bypass_ht_init(void); static inline void speculative_store_bypass_ht_init(void) { } #endif -extern void speculative_store_bypass_update(void); +extern void speculative_store_bypass_update(unsigned long tif); + +static inline void speculative_store_bypass_update_current(void) +{ + speculative_store_bypass_update(current_thread_info()->flags); +} #endif diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 82422a04b5066c1b77ca052c700928466f499a59..f2f0c1b3bf50a3ccaa55f5b0c8588bc3dab9c155 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -598,7 +598,7 @@ static int ssb_prctl_set(struct task_struct *task, unsigned long ctrl) * mitigation until it is next scheduled. */ if (task == current && update) - speculative_store_bypass_update(); + speculative_store_bypass_update_current(); return 0; } diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 91c3398286d84e69a4c752027f10e6f78b29f6c1..30ca2d1a92319726ff31d3ddb8264140bcec17cf 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -414,10 +414,10 @@ static __always_inline void __speculative_store_bypass_update(unsigned long tifn intel_set_ssb_state(tifn); } -void speculative_store_bypass_update(void) +void speculative_store_bypass_update(unsigned long tif) { preempt_disable(); - __speculative_store_bypass_update(current_thread_info()->flags); + __speculative_store_bypass_update(tif); preempt_enable(); }