Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Wu, Feng
> -Original Message- > From: Andrew Cooper [mailto:andrew.coop...@citrix.com] > Sent: Monday, August 1, 2016 8:31 PM > To: Wang, Yong Y ; Wu, Feng > Cc: Nakajima, Jun ; Jan Beulich > (jbeul...@suse.com) ; xen-devel@lists.xen.org > Subject: Re: SMAP/SMEP issues with 32-bit pv guests > >

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Andrew Cooper
On 01/08/16 13:24, Wang, Yong Y wrote: >> -Original Message- >> From: Andrew Cooper [mailto:andrew.coop...@citrix.com] >> Sent: Monday, August 1, 2016 6:16 PM >> To: Wu, Feng >> Cc: Nakajima, Jun ; Wang, Yong Y >> ; Jan Beulich (jbeul...@suse.com) >> ; xen-devel@lists.xen.org >> Subject: R

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Wang, Yong Y
> -Original Message- > From: Andrew Cooper [mailto:andrew.coop...@citrix.com] > Sent: Monday, August 1, 2016 6:16 PM > To: Wu, Feng > Cc: Nakajima, Jun ; Wang, Yong Y > ; Jan Beulich (jbeul...@suse.com) > ; xen-devel@lists.xen.org > Subject: Re: SMAP/SMEP issues with 32-bit pv guests > >

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Andrew Cooper
On 28/06/16 02:58, Wu, Feng wrote: > Hi Andy, > > As you know, SMAP/SMEP may affect the 32-bit pv guests, after discussed > internally, our current idea is that we can just disable this two feature for > Xen hypervisor itself, hence only enable it for HVM guests. Do you think this > is acceptabl

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Wu, Feng
> -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Monday, August 1, 2016 4:16 PM > To: Wu, Feng > Cc: Andrew Cooper(andrew.coop...@citrix.com) > ; Nakajima, Jun ; > Wang, Yong Y ; xen-devel@lists.xen.org > Subject: RE: SMAP/SMEP issues with 32-bit pv guests > >

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-08-01 Thread Jan Beulich
>>> On 01.08.16 at 02:48, wrote: >> From: Jan Beulich [mailto:jbeul...@suse.com] >> Sent: Tuesday, June 28, 2016 3:42 PM >> >>> On 28.06.16 at 03:58, wrote: >> > As you know, SMAP/SMEP may affect the 32-bit pv guests, after discussed >> > internally, our current idea is that we can just disable t

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-07-31 Thread Wu, Feng
Hi Andrew, > -Original Message- > From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Tuesday, June 28, 2016 3:42 PM > To: Wu, Feng > Cc: Andrew Cooper (andrew.coop...@citrix.com) > ; Nakajima, Jun ; > Wang, Yong Y ; xen-devel@lists.xen.org > Subject: Re: SMAP/SMEP issues with 32-bit pv

Re: [Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-06-28 Thread Jan Beulich
>>> On 28.06.16 at 03:58, wrote: > As you know, SMAP/SMEP may affect the 32-bit pv guests, after discussed > internally, our current idea is that we can just disable this two feature for > Xen hypervisor itself, hence only enable it for HVM guests. Do you think this > is acceptable from your pe

[Xen-devel] SMAP/SMEP issues with 32-bit pv guests

2016-06-27 Thread Wu, Feng
Hi Andy, As you know, SMAP/SMEP may affect the 32-bit pv guests, after discussed internally, our current idea is that we can just disable this two feature for Xen hypervisor itself, hence only enable it for HVM guests. Do you think this is acceptable from your perspective? Thanks, Feng __