Re: [PATCH v4 00/10] Add MEMORY_DEVICE_COHERENT for coherent device memory mapping

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Thank you, Alex for your persistence with this patch series. Fee free to add my Acked-by to all the patches that don't already have my R-b. I have done pretty through reviews of previous versions of those patches, but obviously missed a lot of issues pointed out by real MM experts.

Thank you Alistair for your reviews, feedback and collaboration!

Regards,
  Felix


Am 2022-01-27 um 18:20 schrieb Sierra Guiza, Alejandro (Alex):
Andrew,
We're somehow new on this procedure. Are you referring to rebase this patch series to git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git <5.17-rc1 tag>?

Regards,
Alex Sierra

Alex Deucher,
Just a quick heads up. This patch series contains changes to the amdgpu driver which we're
planning to merge through Andrew's tree, If that's ok with you.

Regards,
Alex Sierra

On 1/27/2022 4:32 PM, Andrew Morton wrote:
On Wed, 26 Jan 2022 21:09:39 -0600 Alex Sierra <alex.sierra@xxxxxxx> wrote:

This patch series introduces MEMORY_DEVICE_COHERENT, a type of memory
owned by a device that can be mapped into CPU page tables like
MEMORY_DEVICE_GENERIC and can also be migrated like
MEMORY_DEVICE_PRIVATE.
Some more reviewer input appears to be desirable here.

I was going to tentatively add it to -mm and -next, but problems.
5.17-rc1's mm/migrate.c:migrate_vma_check_page() is rather different
from the tree you patched.  Please redo, refresh and resend?




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