On 2019-05-13 5:27 p.m., Andrew Morton wrote:
> [CAUTION: External Email]
>
> On Fri, 10 May 2019 19:53:23 + "Kuehling, Felix"
> wrote:
>
>> From: Philip Yang
>>
>> While the page is migrating by NUMA balancing, HMM failed to detect this
>> condition and still return the old page. Applicatio
On Fri, 10 May 2019 19:53:23 + "Kuehling, Felix"
wrote:
> From: Philip Yang
>
> While the page is migrating by NUMA balancing, HMM failed to detect this
> condition and still return the old page. Application will use the new
> page migrated, but driver pass the old page physical address to
On Mon, May 13, 2019 at 02:27:20PM -0700, Andrew Morton wrote:
> On Fri, 10 May 2019 19:53:23 + "Kuehling, Felix"
> wrote:
>
> > From: Philip Yang
> >
> > While the page is migrating by NUMA balancing, HMM failed to detect this
> > condition and still return the old page. Application will
On Fri, May 10, 2019 at 07:53:23PM +, Kuehling, Felix wrote:
> From: Philip Yang
>
> While the page is migrating by NUMA balancing, HMM failed to detect this
> condition and still return the old page. Application will use the new
> page migrated, but driver pass the old page physical address
From: Philip Yang
While the page is migrating by NUMA balancing, HMM failed to detect this
condition and still return the old page. Application will use the new
page migrated, but driver pass the old page physical address to GPU,
this crash the application later.
Use pte_protnone(pte) to return
