diff options
| author | Mathieu Desnoyers <[email protected]> | 2019-04-29 11:27:56 -0400 |
|---|---|---|
| committer | Shuah Khan <[email protected]> | 2019-05-07 15:31:55 -0600 |
| commit | 97b8be816840da81296f3a90352a7fce4e66c156 (patch) | |
| tree | 93400b540b98cd105595ca7bc4a55d5488dac9b5 | |
| parent | 5b0c308a0565a94d2e1070cbf287197b676faaaf (diff) | |
rseq/selftests: s390: use jg instruction for jumps outside of the asm
The branch target range of the "j" instruction is 64K, which is not
enough for the general case.
Suggested-by: Martin Schwidefsky <[email protected]>
Signed-off-by: Mathieu Desnoyers <[email protected]>
CC: Thomas Gleixner <[email protected]>
CC: Joel Fernandes <[email protected]>
CC: Peter Zijlstra <[email protected]>
CC: Catalin Marinas <[email protected]>
CC: Dave Watson <[email protected]>
CC: Will Deacon <[email protected]>
CC: Shuah Khan <[email protected]>
CC: Andi Kleen <[email protected]>
CC: [email protected]
CC: "H . Peter Anvin" <[email protected]>
CC: Chris Lameter <[email protected]>
CC: Russell King <[email protected]>
CC: Michael Kerrisk <[email protected]>
CC: "Paul E . McKenney" <[email protected]>
CC: Paul Turner <[email protected]>
CC: Boqun Feng <[email protected]>
CC: Josh Triplett <[email protected]>
CC: Steven Rostedt <[email protected]>
CC: Ben Maurer <[email protected]>
CC: [email protected]
CC: Andy Lutomirski <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Linus Torvalds <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>
| -rw-r--r-- | tools/testing/selftests/rseq/rseq-s390.h | 4 |
1 files 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)) |