Re: [GIT PULL] TEE shared memory fix for 7.0

[Krzysztof Kozlowski]

On Mon, Mar 16, 2026 at 08:41:50AM +0100, Jens Wiklander wrote:
> Hello arm-soc maintainers,
> 
> Please pull this patch removing the refcounting of kernel pages within
> the TEE shared memory helper. 
> 
> Thanks,
> Jens
> 
> The following changes since commit 6de23f81a5e08be8fbf5e8d7e9febc72a5b5f27f:
> 
>   Linux 7.0-rc1 (2026-02-22 13:18:59 -0800)
> 
> are available in the Git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/jenswi/linux-tee.git tags/tee-fix-for-v7.0
> 
> for you to fetch changes up to 08d9a4580f71120be3c5b221af32dca00a48ceb0:
> 
>   tee: shm: Remove refcounting of kernel pages (2026-03-03 09:03:04 +0100)
> 
> ----------------------------------------------------------------
> TEE shared memory update for 7.0
> 
> Remove refcounting of kernel pages in register_shm_helper() to support
> slab allocations.

That's a supposed fix for a year old commit, not current RC, and the
commit msg does not explain what is the bug being fixed here. Looks like
it is doing improvement, not a fix. Can you provide here more
explanation of the actual bug being fixed to justify this going to
current RC fixes?

> 

Best regards,
Krzysztof