Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Andrew Cooper
On 02/03/15 15:40, Juergen Gross wrote: > On 03/02/2015 04:22 PM, Andrew Cooper wrote: >> On 02/03/15 15:11, Juergen Gross wrote: >>> On 03/02/2015 02:56 PM, Jan Beulich wrote: >>> On 02.03.15 at 14:44, wrote: > On 02/03/15 13:15, Jan Beulich wrote: > On 02.03.15 at 13:59, <"jgr...

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Jan Beulich
>>> On 02.03.15 at 16:40, wrote: > On 03/02/2015 04:22 PM, Andrew Cooper wrote: >> The toolstack only needs to access the p2m when doing suspend/resume for >> migrate, or a coredump. None of these are applicable to dom0, so I >> think dom0 can get away with doing whatever it prefers in this regar

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Juergen Gross
On 03/02/2015 04:22 PM, Andrew Cooper wrote: On 02/03/15 15:11, Juergen Gross wrote: On 03/02/2015 02:56 PM, Jan Beulich wrote: On 02.03.15 at 14:44, wrote: On 02/03/15 13:15, Jan Beulich wrote: On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: In order to indicate the Xen

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Andrew Cooper
On 02/03/15 15:11, Juergen Gross wrote: > On 03/02/2015 02:56 PM, Jan Beulich wrote: > On 02.03.15 at 14:44, wrote: >>> On 02/03/15 13:15, Jan Beulich wrote: >>> On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: > In order to indicate the Xen tools capability to suppor

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Juergen Gross
On 03/02/2015 02:56 PM, Jan Beulich wrote: On 02.03.15 at 14:44, wrote: On 02/03/15 13:15, Jan Beulich wrote: On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: In order to indicate the Xen tools capability to support the virtual mapped linear p2m list instead the 3 level mfn

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Jan Beulich
>>> On 02.03.15 at 14:44, wrote: > On 02/03/15 13:15, Jan Beulich wrote: > On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: >>> In order to indicate the Xen tools capability to support the virtual >>> mapped linear p2m list instead the 3 level mfn tree add feature flags >>> t

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Ian Campbell
On Mon, 2015-03-02 at 13:44 +, Andrew Cooper wrote: > On 02/03/15 13:15, Jan Beulich wrote: > On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: > >> In order to indicate the Xen tools capability to support the virtual > >> mapped linear p2m list instead the 3 level mfn tre

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Andrew Cooper
On 02/03/15 13:15, Jan Beulich wrote: On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: >> In order to indicate the Xen tools capability to support the virtual >> mapped linear p2m list instead the 3 level mfn tree add feature flags >> to the shared_info page. > But why in the

Re: [Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Jan Beulich
>>> On 02.03.15 at 13:59, <"jgr...@suse.com".non-mime.internet> wrote: > In order to indicate the Xen tools capability to support the virtual > mapped linear p2m list instead the 3 level mfn tree add feature flags > to the shared_info page. But why in the shared info page? They'd belong to start i

[Xen-devel] [PATCH] x86: add feature flags to shared_info page

2015-03-02 Thread Juergen Gross
In order to indicate the Xen tools capability to support the virtual mapped linear p2m list instead the 3 level mfn tree add feature flags to the shared_info page. Signed-off-by: Juergen Gross --- tools/include/xen-foreign/reference.size | 4 ++-- xen/include/public/arch-x86/xen.h| 10 +