Commit 3c532798 authored by Jens Axboe's avatar Jens Axboe
Browse files

tracehook: clear TIF_NOTIFY_RESUME in tracehook_notify_resume() 



All the callers currently do this, clean it up and move the clearing
into tracehook_notify_resume() instead.

Reviewed-by: default avatarOleg Nesterov <oleg@redhat.com>
Reviewed-by: default avatarThomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 324bcf54

arch/alpha/kernel/signal.c

+0 −1
Original line number Diff line number Diff line
@@ -531,7 +531,6 @@ do_work_pending(struct pt_regs *regs, unsigned long thread_flags, 
				do_signal(regs, r0, r19);

				r0 = 0;

			} else {

				clear_thread_flag(TIF_NOTIFY_RESUME);

				tracehook_notify_resume(regs);

			}

		}

arch/arc/kernel/signal.c

+1 −1
Original line number Diff line number Diff line
@@ -394,6 +394,6 @@ void do_notify_resume(struct pt_regs *regs) 
	 * ASM glue gaurantees that this is only called when returning to

	 * user mode

	 */

	if (test_and_clear_thread_flag(TIF_NOTIFY_RESUME))

	if (test_thread_flag(TIF_NOTIFY_RESUME))

		tracehook_notify_resume(regs);

}

arch/arm/kernel/signal.c

+0 −1
Original line number Diff line number Diff line
@@ -669,7 +669,6 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) 
			} else if (thread_flags & _TIF_UPROBE) {

				uprobe_notify_resume(regs);

			} else {

				clear_thread_flag(TIF_NOTIFY_RESUME);

				tracehook_notify_resume(regs);

				rseq_handle_notify_resume(NULL, regs);

			}

arch/arm64/kernel/signal.c

+0 −1
Original line number Diff line number Diff line
@@ -946,7 +946,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, 
				do_signal(regs);



			if (thread_flags & _TIF_NOTIFY_RESUME) {

				clear_thread_flag(TIF_NOTIFY_RESUME);

				tracehook_notify_resume(regs);

				rseq_handle_notify_resume(NULL, regs);

			}

arch/c6x/kernel/signal.c

+1 −3
Original line number Diff line number Diff line
@@ -316,8 +316,6 @@ asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags, 
	if (thread_info_flags & (1 << TIF_SIGPENDING))

		do_signal(regs, syscall);



	if (thread_info_flags & (1 << TIF_NOTIFY_RESUME)) {

		clear_thread_flag(TIF_NOTIFY_RESUME);

	if (thread_info_flags & (1 << TIF_NOTIFY_RESUME))

		tracehook_notify_resume(regs);

}
 
}

CRA Git | Maintained and supported by SUSTech CRA and CCSE