Add has_syscall_work() helper to facilitate reuse of this function in other places. No functional changes. Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com> --- include/linux/entry-common.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index cd6dacb2d8bf..e0f94e937e84 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -44,6 +44,11 @@ SYSCALL_WORK_SYSCALL_EXIT_TRAP | \ ARCH_SYSCALL_WORK_EXIT) +static inline bool has_syscall_work(unsigned long work) +{ + return unlikely(work & SYSCALL_WORK_ENTER); +} + /** * syscall_enter_from_user_mode_prepare - Establish state and enable interrupts * @regs: Pointer to currents pt_regs @@ -91,7 +96,7 @@ static __always_inline long syscall_enter_from_user_mode_work(struct pt_regs *re { unsigned long work = READ_ONCE(current_thread_info()->syscall_work); - if (work & SYSCALL_WORK_ENTER) + if (has_syscall_work(work)) syscall = syscall_trace_enter(regs, syscall, work); return syscall; -- 2.34.1