From 6cde51769e75d41cade0a5b3755da0c20a96309a Mon Sep 17 00:00:00 2001
From: Richard Henderson <rth@twiddle.net>
Date: Wed, 26 Oct 2016 12:08:52 -0700
Subject: [PATCH] linux-user: Fix s390x safe-syscall for z900

The LT instruction was added in the extended immediate facility
introduced with the z9-109 processor.

Cc: Riku Voipio <riku.voipio@iki.fi>
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
Suggested-by: Aurelien Jarno <aurelien@aurel32.net>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---
 linux-user/host/s390x/safe-syscall.inc.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/host/s390x/safe-syscall.inc.S b/linux-user/host/s390x/safe-syscall.inc.S
index f1b446abf6..414b44ad38 100644
--- a/linux-user/host/s390x/safe-syscall.inc.S
+++ b/linux-user/host/s390x/safe-syscall.inc.S
@@ -72,7 +72,7 @@ safe_syscall_base:
 	 */
 safe_syscall_start:
 	/* if signal_pending is non-zero, don't do the call */
-	lt	%r0,0(%r8)
+	icm	%r0,15,0(%r8)
 	jne	2f
 	svc	0
 safe_syscall_end: