> From: Andrew Cooper [mailto:andrew.coop...@citrix.com]
> Sent: Saturday, January 30, 2016 3:18 AM
>
> c/s 0f1cb96e "x86 hvm: Allow cross-vendor migration" caused HVM domains to
> unconditionally intercept #UD exceptions. While cross-vendor migration is
> cool as a demo, it is extremely niche.
>
>>> On 29.01.16 at 20:17, wrote:
> c/s 0f1cb96e "x86 hvm: Allow cross-vendor migration" caused HVM domains to
> unconditionally intercept #UD exceptions. While cross-vendor migration is
> cool as a demo, it is extremely niche.
>
> Intercepting #UD allows userspace code in a multi-vcpu guest to e
c/s 0f1cb96e "x86 hvm: Allow cross-vendor migration" caused HVM domains to
unconditionally intercept #UD exceptions. While cross-vendor migration is
cool as a demo, it is extremely niche.
Intercepting #UD allows userspace code in a multi-vcpu guest to execute
arbitrary instructions in the x86 emu