Re: [PATCH hotfix 6.12 v2 4/8] mm: resolve faulty mmap_region() error path behaviour

[Mark Brown]

On Mon, Oct 28, 2024 at 10:14:50PM +0000, Lorenzo Stoakes wrote:

> It doesn't make sense to have shmem explicitly check this one arch-specific
> case, it is arch-specific, so the arch should handle it. We know shmem is a
> case in which we want to permit MTE, so simply check for this directly.
> 
> This also fixes the issue with checking arch_validate_flags() early, which
> would otherwise break mmap_region().

The relevant tests all pass with this on today's pending-fixes.

Tested-by: Mark Brown <broonie@xxxxxxxxxx>

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