Re: [PATCH v10 0/8] kvm: arm64: Support PUD hugepage at stage 2
From: Punit Agrawal
Date: Fri Jan 04 2019 - 02:09:12 EST
Christoffer Dall <christoffer.dall@xxxxxxx> writes:
> On Tue, Dec 11, 2018 at 05:10:33PM +0000, Suzuki K Poulose wrote:
>> This series is an update to the PUD hugepage support previously posted
>> at . This patchset adds support for PUD hugepages at stage 2 a
>> feature that is useful on cores that have support for large sized TLB
>> mappings (e.g., 1GB for 4K granule).
>> The patches are based on v4.20-rc4
>> The patches have been tested on AMD Seattle system with the following
>> hugepage sizes - 2M and 1G.
>> Right now the PUD hugepage for stage2 is only supported if the stage2
>> has 4 levels. i.e, with an IPA size of minimum 44bits with 4K pages.
>> This could be relaxed to stage2 with 3 levels, with the stage1 PUD huge
>> page mapped in the entry level of the stage2 (i.e, pgd). I have not
>> added the change here to keep this version stable w.r.t the previous
>> version. I could post a patch later after further discussions in the
> For the series:
> Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxx>
Thanks a lot for reviewing the patches and the tag. And to Suzuki for
picking up the patchset.
(I was happy to see this while catching up with the lists after an