[kvm-unit-tests PATCH v2 4/5] lib: s390x: Print if a pgm happened while in SIE
From: Janosch Frank <frankja@linux.ibm.com>
Date: 2021-07-06 12:39:07
Also in:
linux-s390
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
For debugging it helps if you know if the PGM happened while being in SIE or not. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> --- lib/s390x/interrupt.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/lib/s390x/interrupt.c b/lib/s390x/interrupt.c
index b627942..109f290 100644
--- a/lib/s390x/interrupt.c
+++ b/lib/s390x/interrupt.c@@ -141,10 +141,15 @@ static void print_int_regs(struct stack_frame_int *stack) static void print_pgm_info(struct stack_frame_int *stack) { + bool in_sie; + + in_sie = (lc->pgm_old_psw.addr >= (uintptr_t)sie_entry && + lc->pgm_old_psw.addr <= (uintptr_t)sie_exit); + printf("\n"); - printf("Unexpected program interrupt: %d on cpu %d at %#lx, ilen %d\n", - lc->pgm_int_code, stap(), lc->pgm_old_psw.addr, - lc->pgm_int_id); + printf("Unexpected program interrupt %s: %d on cpu %d at %#lx, ilen %d\n", + in_sie ? "in SIE" : "", + lc->pgm_int_code, stap(), lc->pgm_old_psw.addr, lc->pgm_int_id); print_int_regs(stack); dump_stack(); report_summary();
--
2.30.2