[PATCH] powerpc/pseries/iommu: memory notifier incorrectly adds TCEs for pmemory

[Michal Suchánek]

Hello,

On Wed, May 07, 2025 at 02:36:57PM +0530, Amit Machhiwal wrote:
> Hi Michal,
> 
> I can recreate this issue on sles16 distro kernel but I don't observe this issue
> with upstream Linux 6.15-rc5 on the **same** sles16 guest.
> 
> Note: the commit 6aa989ab2bd0 ("powerpc/pseries/iommu: memory notifier
> incorrectly adds TCEs for pmemory") was included since Linux 6.15-rc1.

Indeed, it's not reproducible with 6.15-rc5.

It's not clear what changed in TCE handling between 6.12 and 6.15 that
avoids this problem.

Thanks

Michal