diff options
Diffstat (limited to 'include/linux/entry-common.h')
| -rw-r--r-- | include/linux/entry-common.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index 6a6e98f3805f..c4205390448e 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -11,6 +11,7 @@ #include <linux/livepatch.h> #include <linux/resume_user_mode.h> #include <linux/tick.h> +#include <linux/kmsan.h> #include <asm/entry-common.h> @@ -102,7 +103,19 @@ static __always_inline void arch_enter_from_user_mode(struct pt_regs *regs) {} * done between establishing state and enabling interrupts. The caller must * enable interrupts before invoking syscall_enter_from_user_mode_work(). */ -void enter_from_user_mode(struct pt_regs *regs); +static __always_inline void enter_from_user_mode(struct pt_regs *regs) +{ + arch_enter_from_user_mode(regs); + lockdep_hardirqs_off(CALLER_ADDR0); + + CT_WARN_ON(__ct_state() != CONTEXT_USER); + user_exit_irqoff(); + + instrumentation_begin(); + kmsan_unpoison_entry_regs(regs); + trace_hardirqs_off_finish(); + instrumentation_end(); +} /** * syscall_enter_from_user_mode_prepare - Establish state and enable interrupts |