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authorMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-12-07 11:29:41 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-12-07 11:29:41 +0100
commit4383cfa18c5bbc5b9b6a9e77adc12aec1c20b72d (patch)
tree7dfa9fae520bda949cb79ce315d077cda102296d /arch/s390/lib/test_unwind.c
parent8cc7a1b2aca067397a016cdb971a5e6ad9b640c7 (diff)
parent0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 (diff)
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Merge tag 'v5.16-rc4' into media_tree
Linux 5.16-rc4 * tag 'v5.16-rc4': (984 commits) Linux 5.16-rc4 KVM: SVM: Do not terminate SEV-ES guests on GHCB validation failure KVM: SEV: Fall back to vmalloc for SEV-ES scratch area if necessary KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails parisc: Mark cr16 CPU clocksource unstable on all SMP machines parisc: Fix "make install" on newer debian releases sched/uclamp: Fix rq->uclamp_max not set on first enqueue preempt/dynamic: Fix setup_preempt_mode() return value cifs: avoid use of dstaddr as key for fscache client cookie cifs: add server conn_id to fscache client cookie cifs: wait for tcon resource_id before getting fscache super cifs: fix missed refcounting of ipc tcon x86/xen: Add xenpv_restore_regs_and_return_to_usermode() x86/entry: Use the correct fence macro after swapgs in kernel CR3 fget: check that the fd still exists after getting a ref to it x86/entry: Add a fence for kernel entry SWAPGS in paranoid_entry() x86/sev: Fix SEV-ES INS/OUTS instructions for word, dword, and qword powercap: DTPM: Drop unused local variable from init_dtpm() io-wq: don't retry task_work creation failure on fatal conditions serial: 8250_bcm7271: UART errors after resuming from S2 ...
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)
:);