Andy Lutomirski writes:
> On 04/20/2015 10:09 AM, Andrew Cooper wrote:
>> There appears to be no formal statement of what pv_irq_ops.save_fl() is
>> supposed to return precisely. Native returns the full flags, while lguest
>> and
>> Xen only return the Interrupt Flag, and both have comments by t
>>> On 20.04.15 at 19:09, wrote:
> A different approach, given the dual nature of the AC flag now is to gate
> setup_smap() on a kernel rpl of 0. SMAP necessarily can't be used in a
> paravirtual situation where the kernel runs in cpl > 0.
"Can't" isn't true here - for 64-bit PV Xen guests, whic
On 21/04/2015 01:35, Andy Lutomirski wrote:
> On 04/20/2015 10:09 AM, Andrew Cooper wrote:
>> There appears to be no formal statement of what pv_irq_ops.save_fl() is
>> supposed to return precisely. Native returns the full flags, while
>> lguest and
>> Xen only return the Interrupt Flag, and both
On 04/20/2015 10:09 AM, Andrew Cooper wrote:
There appears to be no formal statement of what pv_irq_ops.save_fl() is
supposed to return precisely. Native returns the full flags, while lguest and
Xen only return the Interrupt Flag, and both have comments by the
implementations stating that only t
On 20/04/15 18:09, Andrew Cooper wrote:
> There appears to be no formal statement of what pv_irq_ops.save_fl() is
> supposed to return precisely. Native returns the full flags, while lguest and
> Xen only return the Interrupt Flag, and both have comments by the
> implementations stating that only
