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Re: [Qemu-devel] [PATCH] linux-user: Fix s390x safe-syscall for z900
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From: |
Thomas Huth |
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Subject: |
Re: [Qemu-devel] [PATCH] linux-user: Fix s390x safe-syscall for z900 |
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Date: |
Tue, 18 Oct 2016 18:51:48 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
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 <address@hidden>
> Fixes: c9bc3437a905b660561a26cd4ecc64579843267b
> Signed-off-by: Richard Henderson <address@hidden>
> ---
> 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 <address@hidden>