On Mon, Nov 2, 2020 at 4:20 PM Bin Meng <bmeng...@gmail.com> wrote: > > On Thu, Oct 22, 2020 at 6:16 PM Bin Meng <bmeng...@gmail.com> wrote: > > > > From: Bin Meng <bin.m...@windriver.com> > > > > Per the SDM, when returning to outer privilege level, for segment > > registers (ES, FS, GS, and DS) if the check fails, the segment > > selector becomes null, but QEMU clears the base/limit/flags as well > > as nullifying the segment selector, which should be a spec violation. > > > > Real hardware seems to be compliant with the spec, at least on one > > Coffee Lake board I tested. > > > > Signed-off-by: Bin Meng <bin.m...@windriver.com> > > --- > > > > target/i386/seg_helper.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > Ping?
Ping?
