Re: [PATCH v8 1/9] KVM: arm/arm64: Ensure only THP is candidate for adjustment

[Marc Zyngier]

On 01/10/18 16:54, Punit Agrawal wrote:
> PageTransCompoundMap() returns true for hugetlbfs and THP
> hugepages. This behaviour incorrectly leads to stage 2 faults for
> unsupported hugepage sizes (e.g., 64K hugepage with 4K pages) to be
> treated as THP faults.
>
> Tighten the check to filter out hugetlbfs pages. This also leads to
> consistently mapping all unsupported hugepage sizes as PTE level
> entries at stage 2.
>
> Signed-off-by: Punit Agrawal <punit.agrawal@xxxxxxx>
> Reviewed-by: Suzuki Poulose <suzuki.poulose@xxxxxxx>
> Cc: Christoffer Dall <christoffer.dall@xxxxxxx>
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # v4.13+

FWIW, I've cherry-picked that single patch from the series and queued it 
for 4.20.

Thanks,

	M.
--
Jazz is not dead. It just smells funny...