Re: [Xen-devel] [PATCH v2] VMX: allocate APIC access page from domain heap

2015-12-19 Thread Tian, Kevin
> From: Jan Beulich [mailto:jbeul...@suse.com] > Sent: Friday, December 18, 2015 3:50 PM > > ... since we don't need its virtual address anywhere (it's a > placeholder page only after all). For this to work (and possibly be > done elsewhere too) share_xen_page_with_guest() needs to mark pages > ha

Re: [Xen-devel] [PATCH v2] VMX: allocate APIC access page from domain heap

2015-12-18 Thread Andrew Cooper
On 18/12/15 07:50, Jan Beulich wrote: > ... since we don't need its virtual address anywhere (it's a > placeholder page only after all). For this to work (and possibly be > done elsewhere too) share_xen_page_with_guest() needs to mark pages > handed to it as Xen heap ones. > > To be on the safe sid

[Xen-devel] [PATCH v2] VMX: allocate APIC access page from domain heap

2015-12-17 Thread Jan Beulich
... since we don't need its virtual address anywhere (it's a placeholder page only after all). For this to work (and possibly be done elsewhere too) share_xen_page_with_guest() needs to mark pages handed to it as Xen heap ones. To be on the safe side, also explicitly clear the page (not having don