Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-11 Thread Sahita, Ravi
>From: dunl...@gmail.com [mailto:dunl...@gmail.com] On Behalf Of George >Dunlap >Sent: Friday, July 10, 2015 10:03 AM > >On Fri, Jul 10, 2015 at 1:52 AM, Ed White >wrote: >> From: George Dunlap >> >> The existing ept_set_entry() and ept_get_entry() routines are extended >> to optionally set/get s

Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-10 Thread George Dunlap
On Fri, Jul 10, 2015 at 1:52 AM, Ed White wrote: > From: George Dunlap > > The existing ept_set_entry() and ept_get_entry() routines are extended > to optionally set/get suppress_ve. Passing -1 will set suppress_ve on > new p2m entries, or retain suppress_ve flag on existing entries. > > Signed-

Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-10 Thread George Dunlap
On 07/10/2015 12:49 PM, Jan Beulich wrote: On 10.07.15 at 13:11, wrote: >> On 07/10/2015 10:39 AM, Jan Beulich wrote: >> On 10.07.15 at 02:52, wrote: @@ -1528,16 +1528,17 @@ bool_t p2m_mem_access_check(paddr_t gpa, unsigned long gla, vm_event_request_t *req;

Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-10 Thread Jan Beulich
>>> On 10.07.15 at 13:11, wrote: > On 07/10/2015 10:39 AM, Jan Beulich wrote: > On 10.07.15 at 02:52, wrote: >>> @@ -1528,16 +1528,17 @@ bool_t p2m_mem_access_check(paddr_t gpa, unsigned >>> long gla, >>> vm_event_request_t *req; >>> int rc; >>> unsigned long eip = guest_cpu_u

Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-10 Thread George Dunlap
On 07/10/2015 10:39 AM, Jan Beulich wrote: On 10.07.15 at 02:52, wrote: >> @@ -1528,16 +1528,17 @@ bool_t p2m_mem_access_check(paddr_t gpa, unsigned >> long gla, >> vm_event_request_t *req; >> int rc; >> unsigned long eip = guest_cpu_user_regs()->eip; >> +bool_t sve; >>

Re: [Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-10 Thread Jan Beulich
>>> On 10.07.15 at 02:52, wrote: > @@ -1528,16 +1528,17 @@ bool_t p2m_mem_access_check(paddr_t gpa, unsigned > long gla, > vm_event_request_t *req; > int rc; > unsigned long eip = guest_cpu_user_regs()->eip; > +bool_t sve; > > /* First, handle rx2rw conversion automatica

[Xen-devel] [PATCH v4 08/15] x86/altp2m: add control of suppress_ve.

2015-07-09 Thread Ed White
From: George Dunlap The existing ept_set_entry() and ept_get_entry() routines are extended to optionally set/get suppress_ve. Passing -1 will set suppress_ve on new p2m entries, or retain suppress_ve flag on existing entries. Signed-off-by: George Dunlap --- xen/arch/x86/mm/mem_sharing.c | 5