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-rw-r--r--arch/s390/include/asm/processor.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 602af692efdc..f96a3711b475 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -115,9 +115,11 @@ struct thread_struct {
unsigned int gmap_write_flag; /* gmap fault write indication */
unsigned int gmap_int_code; /* int code of last gmap fault */
unsigned int gmap_pfault; /* signal of a pending guest pfault */
+ /* Per-thread information related to debugging */
struct per_regs per_user; /* User specified PER registers */
struct per_event per_event; /* Cause of the last PER trap */
unsigned long per_flags; /* Flags to control debug behavior */
+ unsigned int system_call; /* system call number in signal */
/* pfault_wait is used to block the process on a pfault event */
unsigned long pfault_wait;
struct list_head list;