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s390/syscall: fix single stepped system calls

Fix PER tracing of system calls after git commit 34525e1f7e8dc478
"s390: store breaking event address only for program checks"
broke it.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Martin Schwidefsky 8 年之前
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共有 1 个文件被更改,包括 1 次插入0 次删除
  1. 1 0
      arch/s390/kernel/entry.S

+ 1 - 0
arch/s390/kernel/entry.S

@@ -545,6 +545,7 @@ ENTRY(pgm_check_handler)
 #
 .Lpgm_svcper:
 	mvc	__LC_RETURN_PSW(8),__LC_SVC_NEW_PSW
+	lghi	%r13,__TASK_thread
 	larl	%r14,.Lsysc_per
 	stg	%r14,__LC_RETURN_PSW+8
 	lghi	%r14,_PIF_SYSCALL | _PIF_PER_TRAP