Re: [PATCH 0/4] Bugfix + small cleanup to populate_p[mug]d

[Ard Biesheuvel]

On Tue, 3 Mar 2020 at 21:54, Arvind Sankar <nivedita@xxxxxxxxxxxx> wrote:
>
> The first patch fixes a bug in populate_pud, which results in the
> requested mapping not being completely installed if the CPU does not
> support GB pages.
>
> The next three are small cleanups.
>
> Thanks.
>
> Arvind Sankar (4):
>   x86/mm/pat: Handle no-GBPAGES case correctly in populate_pud
>   x86/mm/pat: Ensure that populate_pud only handles one PUD
>   x86/mm/pat: Propagate all errors out of populate_pud
>   x86/mm/pat: Make num_pages consistent in populate_{pte,pud,pgd}
>

Acked-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
Tested-by: Ard Biesheuvel <ardb@xxxxxxxxxx>

>  arch/x86/include/asm/pgtable_types.h |  2 +-
>  arch/x86/mm/pat/set_memory.c         | 74 +++++++++++++++++-----------
>  2 files changed, 45 insertions(+), 31 deletions(-)
>
> --
> 2.24.1
>