Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread Juergen Gross
On 02/18/2015 11:54 AM, David Vrabel wrote: On 18/02/15 10:50, Andrew Cooper wrote: On 18/02/15 10:42, Juergen Gross wrote: /* Set up p2m_top to point to the domain-builder provided p2m pages */ @@ -469,8 +473,10 @@ static pte_t *alloc_p2m_pmd(unsigned long addr, pte_t *pte_pg)

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread Andrew Cooper
On 18/02/15 10:54, David Vrabel wrote: > On 18/02/15 10:50, Andrew Cooper wrote: >> On 18/02/15 10:42, Juergen Gross wrote: > /* Set up p2m_top to point to the domain-builder provided p2m > pages */ > @@ -469,8 +473,10 @@ static pte_t *alloc_p2m_pmd(unsigned long addr, > pte_t *pt

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread Juergen Gross
On 02/18/2015 11:50 AM, Andrew Cooper wrote: On 18/02/15 10:42, Juergen Gross wrote: /* Set up p2m_top to point to the domain-builder provided p2m pages */ @@ -469,8 +473,10 @@ static pte_t *alloc_p2m_pmd(unsigned long addr, pte_t *pte_pg) ptechk = lookup_address(vaddr, &level);

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread David Vrabel
On 18/02/15 10:50, Andrew Cooper wrote: > On 18/02/15 10:42, Juergen Gross wrote: >> /* Set up p2m_top to point to the domain-builder provided p2m pages */ @@ -469,8 +473,10 @@ static pte_t *alloc_p2m_pmd(unsigned long addr, pte_t *pte_pg) ptechk = lookup_a

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread David Vrabel
On 18/02/15 10:42, Juergen Gross wrote: > On 02/18/2015 11:32 AM, David Vrabel wrote: >> On 18/02/15 06:51, Juergen Gross wrote: >>> The linear p2m list should be anchored in the shared info structure >> >> I'm not really sure what you mean by "anchored". > > Bad wording? What about: > > The virt

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread Andrew Cooper
On 18/02/15 10:42, Juergen Gross wrote: > >>> /* Set up p2m_top to point to the domain-builder provided p2m >>> pages */ >>> @@ -469,8 +473,10 @@ static pte_t *alloc_p2m_pmd(unsigned long addr, >>> pte_t *pte_pg) >>> >>> ptechk = lookup_address(vaddr, &level); >>> if (ptechk =

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread Juergen Gross
On 02/18/2015 11:32 AM, David Vrabel wrote: On 18/02/15 06:51, Juergen Gross wrote: The linear p2m list should be anchored in the shared info structure I'm not really sure what you mean by "anchored". Bad wording? What about: The virtual address of the linear p2m list should be stored in th

Re: [Xen-devel] [PATCH 02/13] xen: anchor linear p2m list in shared info structure

2015-02-18 Thread David Vrabel
On 18/02/15 06:51, Juergen Gross wrote: > The linear p2m list should be anchored in the shared info structure I'm not really sure what you mean by "anchored". > read by the Xen tools to be able to support 64 bit pv-domains larger > than 512 MB. Additionally the linear p2m list interface includes