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

Suggested-by: Martin Schwidefsky schwidefsky@de.ibm.com Signed-off-by: Mathieu Desnoyers mathieu.desnoyers@efficios.com CC: Thomas Gleixner tglx@linutronix.de CC: Joel Fernandes joelaf@google.com CC: Peter Zijlstra peterz@infradead.org CC: Catalin Marinas catalin.marinas@arm.com CC: Dave Watson davejwatson@fb.com CC: Will Deacon will.deacon@arm.com CC: Shuah Khan shuah@kernel.org CC: Andi Kleen andi@firstfloor.org CC: linux-kselftest@vger.kernel.org CC: "H . Peter Anvin" hpa@zytor.com CC: Chris Lameter cl@linux.com CC: Russell King linux@arm.linux.org.uk CC: Michael Kerrisk mtk.manpages@gmail.com CC: "Paul E . McKenney" paulmck@linux.vnet.ibm.com CC: Paul Turner pjt@google.com CC: Boqun Feng boqun.feng@gmail.com CC: Josh Triplett josh@joshtriplett.org CC: Steven Rostedt rostedt@goodmis.org CC: Ben Maurer bmaurer@fb.com CC: linux-api@vger.kernel.org CC: Andy Lutomirski luto@amacapital.net CC: Andrew Morton akpm@linux-foundation.org CC: Linus Torvalds torvalds@linux-foundation.org --- 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))