Re: [Xen-devel] [PATCH] x86/pv: Check that emulate_privileged_op() don't change any unexpected flags

2017-01-16 Thread Jan Beulich
>>> On 16.01.17 at 14:03, wrote: > No bits, other than arithmetic ones and the resume flag (which will most > likely change from 1 to 0), can be changed by the instructions we permit. > Extend the check to cover other flags. > > Signed-off-by: Andrew Cooper

[Xen-devel] [PATCH] x86/pv: Check that emulate_privileged_op() don't change any unexpected flags

2017-01-16 Thread Andrew Cooper
No bits, other than arithmetic ones and the resume flag (which will most likely change from 1 to 0), can be changed by the instructions we permit. Extend the check to cover other flags. Signed-off-by: Andrew Cooper --- CC: Jan Beulich v2: * Extend