| Message ID | 1476808936-11735-1-git-send-email-rth@twiddle.net |
|---|---|
| State | New |
| Headers | show |
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>
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:
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(-)