Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread Jason Andryuk
On Thu, Oct 15, 2020 at 5:42 AM Jürgen Groß wrote: > > On 14.10.20 19:53, Jason Andryuk wrote: > > Moving XEN_512GB allows it to nest under XEN_PV. That also allows > > XEN_PVH to nest under XEN as a sibling to XEN_PV and XEN_PVHVM giving: > > > > [*] Xen guest support > > [*] Xen PV guest

Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread Jason Andryuk
On Thu, Oct 15, 2020 at 9:17 AM wrote: > > > On 10/15/20 9:10 AM, Andrew Cooper wrote: > > On 15/10/2020 13:37, boris.ostrov...@oracle.com wrote: > >> On 10/14/20 1:53 PM, Jason Andryuk wrote: > >>> +config XEN_512GB > >>> + bool "Limit Xen pv-domain memory to 512GB" > >>> + depends on XEN_PV

Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread boris . ostrovsky
On 10/15/20 9:10 AM, Andrew Cooper wrote: > On 15/10/2020 13:37, boris.ostrov...@oracle.com wrote: >> On 10/14/20 1:53 PM, Jason Andryuk wrote: >>> +config XEN_512GB >>> + bool "Limit Xen pv-domain memory to 512GB" >>> + depends on XEN_PV && X86_64 >> Why is X86_64 needed here? >> 512G

Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread Andrew Cooper
On 15/10/2020 13:37, boris.ostrov...@oracle.com wrote: > On 10/14/20 1:53 PM, Jason Andryuk wrote: >> +config XEN_512GB >> +bool "Limit Xen pv-domain memory to 512GB" >> +depends on XEN_PV && X86_64 > > Why is X86_64 needed here? >512G support was implemented using a direct-mapped P2M,

Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread boris . ostrovsky
On 10/14/20 1:53 PM, Jason Andryuk wrote: > +config XEN_512GB > + bool "Limit Xen pv-domain memory to 512GB" > + depends on XEN_PV && X86_64 Why is X86_64 needed here? -boris

Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-15 Thread Jürgen Groß
On 14.10.20 19:53, Jason Andryuk wrote: Moving XEN_512GB allows it to nest under XEN_PV. That also allows XEN_PVH to nest under XEN as a sibling to XEN_PV and XEN_PVHVM giving: [*] Xen guest support [*] Xen PV guest support [*] Limit Xen pv-domain memory to 512GB [*] Xen PV

[PATCH 2/2] xen: Kconfig: nest Xen guest options

2020-10-14 Thread Jason Andryuk
Moving XEN_512GB allows it to nest under XEN_PV. That also allows XEN_PVH to nest under XEN as a sibling to XEN_PV and XEN_PVHVM giving: [*] Xen guest support [*] Xen PV guest support [*] Limit Xen pv-domain memory to 512GB [*] Xen PV Dom0 support [*] Xen PVHVM guest