Merge tag 'core-urgent-2021-01-31' of git://git.kernel.org/pub/scm/li…

…nux/kernel/git/tip/tip

Pull single stepping fix from Thomas Gleixner:
 "A single fix for the single step reporting regression caused by
  getting the condition wrong when moving SYSCALL_EMU away from TIF
  flags"

[ There's apparently another problem too, fix pending ]

* tag 'core-urgent-2021-01-31' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  entry: Unbreak single step reporting behaviour

kernel/entry/common.c

@@ -222,7 +222,7 @@ static inline bool report_single_step(unsigned long work)
  */
 static inline bool report_single_step(unsigned long work)
 {
-	if (!(work & SYSCALL_WORK_SYSCALL_EMU))
+	if (work & SYSCALL_WORK_SYSCALL_EMU)
 		return false;
 
 	return !!(current_thread_info()->flags & _TIF_SINGLESTEP);