Re: [PATCH 00/14] KVM: x86/mmu: Huge page fixes, cleanup, and DAX

Paolo Bonzini
2020-01-21T15:10:41Z

On 09/01/20 20:47, Barret Rhoden wrote:
> Hi -
>
> On 1/8/20 3:24 PM, Sean Christopherson wrote:
>> This series is a mix of bug fixes, cleanup and new support in KVM's
>> handling of huge pages.  The series initially stemmed from a syzkaller
>> bug report[1], which is fixed by patch 02, "mm: thp: KVM: Explicitly
>> check for THP when populating secondary MMU".
>>
>> While investigating options for fixing the syzkaller bug, I realized KVM
>> could reuse the approach from Barret's series to enable huge pages for
>> DAX
>> mappings in KVM[2] for all types of huge mappings, i.e. walk the host
>> page
>> tables instead of querying metadata (patches 05 - 09).
>
> Thanks, Sean.  I tested this patch series out, and it works for me.
> (Huge KVM mappings of a DAX file, etc.).

Queued, thanks.

Paolo