On Aug 17, 2014, at 9:17 AM, Paolo Bonzini <pbonz...@redhat.com> wrote:

> Il 13/08/2014 19:14, Nadav Amit ha scritto:
>> Commit 5045b46803 added a check that cs.dpl equals cs.rpl during
>> task-switch. Unfortunately, is causes some of my tests that run well on
>> bare-metal to fail.
>> 
>> Although this check is mentioned in table 7-1 of the SDM as causing a
>> #TSS exception, it is not mentioned in table 6-6 that lists "invalid TSS
>> conditions" which cause #TSS exceptions.
>> 
>> Thus, I recommend on reverting commit 5045b46803, or alternatively
>> rechecking task-switch behavior on bare-metal.
> 
> Can you provide a kvm-unit-tests test for this?

I need to put time into writing one. However, the unit test would prove nothing.
The question is how bare-metal behaves. According to what I see, it does not 
perform this check.

Nadav--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to