On 24/10/16 10:54, Wei Liu wrote: > On Mon, Oct 24, 2016 at 03:23:01AM -0600, Jan Beulich wrote: >>>>> On 19.10.16 at 18:30, <andrew.coop...@citrix.com> wrote: >>> c/s 373923ed9c2 "x86emul: fix pushing of selector registers" redirected >>> all push %sreg instructions into the general push path. However, this >>> ends up hitting the assertion at the head of the push path. >>> >>> Annotate All push and pop %sreg instructions as Mov, indicating that >>> they do not read the destination operand. >>> >>> Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> >> Reviewed-by: Jan Beulich <jbeul...@suse.com> >> >> I wonder how this passed both my and osstest's testing... >> > OSSTest Cambridge instance (with rather old hardware) caught this IIRC.
It only showed up in the VGABIOS running on Gen-1 VT-x without unrestricted_guest. Under those circumstances, we emulate far more. ~Andrew _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel
