* [Qemu-devel] [PATCH] linux-user: Fix s390x safe-syscall for z900
@ 2016-10-18 16:42 Richard Henderson
2016-10-18 16:51 ` Thomas Huth
0 siblings, 1 reply; 2+ messages in thread
From: Richard Henderson @ 2016-10-18 16:42 UTC (permalink / raw)
To: qemu-devel; +Cc: riku.voipio
The LT instruction was added in the extended immediate facility
introduced with the z9-109 processor.
Reported-by: Michael Tokarev <mjt@tls.msk.ru>
Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
linux-user/host/s390x/safe-syscall.inc.S | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/linux-user/host/s390x/safe-syscall.inc.S b/linux-user/host/s390x/safe-syscall.inc.S
index f1b446a..61d75dc 100644
--- a/linux-user/host/s390x/safe-syscall.inc.S
+++ b/linux-user/host/s390x/safe-syscall.inc.S
@@ -72,7 +72,8 @@ safe_syscall_base:
*/
safe_syscall_start:
/* if signal_pending is non-zero, don't do the call */
- lt %r0,0(%r8)
+ l %r0,0(%r8)
+ ltr %r0,%r0
jne 2f
svc 0
safe_syscall_end:
--
2.7.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] [PATCH] linux-user: Fix s390x safe-syscall for z900
2016-10-18 16:42 [Qemu-devel] [PATCH] linux-user: Fix s390x safe-syscall for z900 Richard Henderson
@ 2016-10-18 16:51 ` Thomas Huth
0 siblings, 0 replies; 2+ messages in thread
From: Thomas Huth @ 2016-10-18 16:51 UTC (permalink / raw)
To: Richard Henderson, qemu-devel; +Cc: riku.voipio
On 18.10.2016 18:42, Richard Henderson wrote:
> The LT instruction was added in the extended immediate facility
> introduced with the z9-109 processor.
>
> Reported-by: Michael Tokarev <mjt@tls.msk.ru>
> Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
> Signed-off-by: Richard Henderson <rth@twiddle.net>
> ---
> linux-user/host/s390x/safe-syscall.inc.S | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/linux-user/host/s390x/safe-syscall.inc.S b/linux-user/host/s390x/safe-syscall.inc.S
> index f1b446a..61d75dc 100644
> --- a/linux-user/host/s390x/safe-syscall.inc.S
> +++ b/linux-user/host/s390x/safe-syscall.inc.S
> @@ -72,7 +72,8 @@ safe_syscall_base:
> */
> safe_syscall_start:
> /* if signal_pending is non-zero, don't do the call */
> - lt %r0,0(%r8)
> + l %r0,0(%r8)
> + ltr %r0,%r0
> jne 2f
> svc 0
> safe_syscall_end:
Reviewed-by: Thomas Huth <thuth@redhat.com>
^ permalink raw reply [flat|nested] 2+ messages in thread
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