Re: [Qemu-devel] [PATCH v2] linux-user: Fix s390x safe-syscall for z900

[Riku Voipio]

On Wed, Oct 26, 2016 at 12:08:52PM -0700, Richard Henderson wrote:
> The LT instruction was added in the extended immediate facility
> introduced with the z9-109 processor.

Sorry I missed this during 2.8. This is stable-2.8 material once it
opens. Applied to linux-user now, thanks.
 
> Cc: Riku Voipio <address@hidden>
> Reported-by: Michael Tokarev <address@hidden>
> Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
> Suggested-by: Aurelien Jarno <address@hidden>
> Signed-off-by: Richard Henderson <address@hidden>
> ---
>  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 f1b446a..414b44a 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:
> -- 
> 2.7.4
>