Re: [PATCH] mm: Avoid using set_pte_at when updating a present pte

[Linus Torvalds]

Ahh, and I should learn to read all my emails before replying to some of them..

On Thu, Oct 8, 2020 at 2:26 AM Aneesh Kumar K.V
<aneesh.kumar@xxxxxxxxxxxxx> wrote:
>
> This avoids the below warning
> [..]
 > WARNING: CPU: 0 PID: 30613 at arch/powerpc/mm/pgtable.c:185
set_pte_at+0x2a8/0x3a0 arch/powerpc/mm/pgtable.c:185

.. and I assume this is what triggered the other patch too.

Yes, with the ppc warning, we need to do _something_ about this, and
at that point I think the "something" is to just avoid the pte
wrpritect trick.

               Linus