diff options
Diffstat (limited to 'kernel/entry/common.c')
| -rw-r--r-- | kernel/entry/common.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/kernel/entry/common.c b/kernel/entry/common.c index 17b1e032afe7..48d30ce2e00e 100644 --- a/kernel/entry/common.c +++ b/kernel/entry/common.c @@ -117,18 +117,7 @@ noinstr void syscall_enter_from_user_mode_prepare(struct pt_regs *regs) instrumentation_end(); } -/** - * __exit_to_user_mode - Fixup state when exiting to user mode - * - * Syscall/interupt exit enables interrupts, but the kernel state is - * interrupts disabled when this is invoked. Also tell RCU about it. - * - * 1) Trace interrupts on state - * 2) Invoke context tracking if enabled to adjust RCU state - * 3) Invoke architecture specific last minute exit code, e.g. speculation - * mitigations, etc. - * 4) Tell lockdep that interrupts are enabled - */ +/* See comment for exit_to_user_mode() in entry-common.h */ static __always_inline void __exit_to_user_mode(void) { instrumentation_begin(); @@ -141,6 +130,11 @@ static __always_inline void __exit_to_user_mode(void) lockdep_hardirqs_on(CALLER_ADDR0); } +void noinstr exit_to_user_mode(void) +{ + __exit_to_user_mode(); +} + /* Workaround to allow gradual conversion of architecture code */ void __weak arch_do_signal_or_restart(struct pt_regs *regs, bool has_signal) { } |