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 [0]. 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 > list. > For the series: Reviewed-by: Christoffer Dall <christoffer.dall@xxxxxxx>
