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authorJason Gunthorpe <jgg@nvidia.com>2021-12-14 20:18:48 -0400
committerJason Gunthorpe <jgg@nvidia.com>2021-12-14 20:18:48 -0400
commit4922f0920966c28d674b03479cdcb7f3939bfbbd (patch)
tree6a8b3972ff853fc0addcfab662d33354124f7fdb /arch/s390/lib/test_unwind.c
parent20679094a0161c94faf77e373fa3f7428a8e14bd (diff)
parent2585cf9dfaaddf00b069673f27bb3f8530e2039c (diff)
Merge tag 'v5.16-rc5' into rdma.git for-next
Required due to dependencies in following patches. Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'arch/s390/lib/test_unwind.c')
-rw-r--r--arch/s390/lib/test_unwind.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/s390/lib/test_unwind.c b/arch/s390/lib/test_unwind.c
index cfc5f5557c06..bc7973359ae2 100644
--- a/arch/s390/lib/test_unwind.c
+++ b/arch/s390/lib/test_unwind.c
@@ -173,10 +173,11 @@ static noinline int unwindme_func4(struct unwindme *u)
}
/*
- * trigger specification exception
+ * Trigger operation exception; use insn notation to bypass
+ * llvm's integrated assembler sanity checks.
*/
asm volatile(
- " mvcl %%r1,%%r1\n"
+ " .insn e,0x0000\n" /* illegal opcode */
"0: nopr %%r7\n"
EX_TABLE(0b, 0b)
:);