On 13/11/2018 17:21, Barret Rhoden wrote:
> On 2018-11-12 at 20:31 Paolo Bonzini wrote:
>> Looks good. What's the plan for removing PageReserved from DAX pages?
>
> I hear that's going on in this thread:
>
>
On 2018-11-12 at 20:31 Paolo Bonzini wrote:
> Looks good. What's the plan for removing PageReserved from DAX pages?
I hear that's going on in this thread:
https://lore.kernel.org/lkml/154145268025.30046.11742652345962594283.st...@ahduyck-desk1.jf.intel.com/
Though it looks like it's speeding
On 2018-11-13 at 05:02 Pankaj Gupta wrote:
> As this patch is dependent on PageReserved patch(which is in progress), just
> wondering if we are able to test the code path for hugepage with DAX.
For testing, I used the following patch. It's not 100%, since it
intercepts at
On 2018-11-13 at 10:36 David Hildenbrand wrote:
> > Note that KVM already faulted in the page (or huge page) in the host's
> > page table, and we hold the KVM mmu spinlock (grabbed before checking
> > the mmu seq).
>
> I wonder if the KVM mmu spinlock is enough for walking (not KVM
>
On Sat, Nov 10, 2018 at 09:08:10AM -0800, Dan Williams wrote:
> On Sat, Nov 10, 2018 at 12:29 AM Matthew Wilcox wrote:
> > On Wed, Nov 07, 2018 at 06:01:19AM +, Williams, Dan J wrote:
> > > On Tue, 2018-11-06 at 06:48 -0800, Matthew Wilcox wrote:
> > > > On Tue, Nov 06, 2018 at 03:44:47AM
On 13/11/2018 11:02, Pankaj Gupta wrote:
>
>>
>> On 09.11.18 21:39, Barret Rhoden wrote:
>>> This change allows KVM to map DAX-backed files made of huge pages with
>>> huge mappings in the EPT/TDP.
>>>
>>> DAX pages are not PageTransCompound. The existing check is trying to
>>> determine if the
On Wed, Nov 7, 2018 at 9:46 AM Frank Rowand wrote:
>
> On 11/6/18 5:17 PM, Brendan Higgins wrote:
> > On Fri, Nov 2, 2018 at 11:23 AM Shuah Khan wrote:
> >>
> >> Hi Brendan,
> >
> >> Framework looks good. I think it would be helpful to include a real test
> >
> > Great to hear!
> >
> >> in the
>
> On 09.11.18 21:39, Barret Rhoden wrote:
> > This change allows KVM to map DAX-backed files made of huge pages with
> > huge mappings in the EPT/TDP.
> >
> > DAX pages are not PageTransCompound. The existing check is trying to
> > determine if the mapping for the pfn is a huge mapping or
On 09.11.18 21:39, Barret Rhoden wrote:
> This change allows KVM to map DAX-backed files made of huge pages with
> huge mappings in the EPT/TDP.
>
> DAX pages are not PageTransCompound. The existing check is trying to
> determine if the mapping for the pfn is a huge mapping or not. For
>
On 09.11.18 21:39, Barret Rhoden wrote:
> KVM has a use case for determining the size of a dax mapping. The KVM
> code has easy access to the address and the mm; hence the change in
> parameters.
>
> Signed-off-by: Barret Rhoden
> ---
> include/linux/mm.h | 3 +++
> mm/memory-failure.c | 38
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