On 12/11/2018 10:05, Jan Beulich wrote:
On 09.11.18 at 16:26, wrote:
>> The shadow code doesn't support 1G superpages, and will hand #PF[RSVD] back
>> to
>> guests.
> So this change is then instead of trying to make shadow code cope?
At the moment, that is an unknown quantity of work. Idea
>>> On 09.11.18 at 16:26, wrote:
> The shadow code doesn't support 1G superpages, and will hand #PF[RSVD] back to
> guests.
So this change is then instead of trying to make shadow code cope?
> --- a/xen/arch/x86/pv/dom0_build.c
> +++ b/xen/arch/x86/pv/dom0_build.c
> @@ -148,7 +148,14 @@ static _
The shadow code doesn't support 1G superpages, and will hand #PF[RSVD] back to
guests.
For dom0's with 512GB of RAM or more (and subject to the P2M alignment), Xen's
domain builder might use 1G superpages.
Avoid using 1G superpages (falling back to 2M superpages instead) if there is
a reasonable
