[PATCH for 5.2 05/12] rseq/selftests: s390: use jg instruction for jumps outside of the asm

[Mathieu Desnoyers]

The branch target range of the "j" instruction is 64K, which is not
enough for the general case.

Suggested-by: Martin Schwidefsky <schwidefsky@xxxxxxxxxx>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxxxx>
CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CC: Joel Fernandes <joelaf@xxxxxxxxxx>
CC: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CC: Catalin Marinas <catalin.marinas@xxxxxxx>
CC: Dave Watson <davejwatson@xxxxxx>
CC: Will Deacon <will.deacon@xxxxxxx>
CC: Shuah Khan <shuah@xxxxxxxxxx>
CC: Andi Kleen <andi@xxxxxxxxxxxxxx>
CC: linux-kselftest@xxxxxxxxxxxxxxx
CC: "H . Peter Anvin" <hpa@xxxxxxxxx>
CC: Chris Lameter <cl@xxxxxxxxx>
CC: Russell King <linux@xxxxxxxxxxxxxxxx>
CC: Michael Kerrisk <mtk.manpages@xxxxxxxxx>
CC: "Paul E . McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>
CC: Paul Turner <pjt@xxxxxxxxxx>
CC: Boqun Feng <boqun.feng@xxxxxxxxx>
CC: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
CC: Steven Rostedt <rostedt@xxxxxxxxxxx>
CC: Ben Maurer <bmaurer@xxxxxx>
CC: linux-api@xxxxxxxxxxxxxxx
CC: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
---
 tools/testing/selftests/rseq/rseq-s390.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/rseq/rseq-s390.h b/tools/testing/selftests/rseq/rseq-s390.h
index fbb97815d71c..7c4f3a70b6c7 100644
--- a/tools/testing/selftests/rseq/rseq-s390.h
+++ b/tools/testing/selftests/rseq/rseq-s390.h
@@ -117,14 +117,14 @@ do {									\
 		".long " __rseq_str(RSEQ_SIG) "\n\t"			\
 		__rseq_str(label) ":\n\t"				\
 		teardown						\
-		"j %l[" __rseq_str(abort_label) "]\n\t"			\
+		"jg %l[" __rseq_str(abort_label) "]\n\t"		\
 		".popsection\n\t"
 
 #define RSEQ_ASM_DEFINE_CMPFAIL(label, teardown, cmpfail_label)		\
 		".pushsection __rseq_failure, \"ax\"\n\t"		\
 		__rseq_str(label) ":\n\t"				\
 		teardown						\
-		"j %l[" __rseq_str(cmpfail_label) "]\n\t"		\
+		"jg %l[" __rseq_str(cmpfail_label) "]\n\t"		\
 		".popsection\n\t"
 
 static inline __attribute__((always_inline))
-- 
2.11.0