Re: [PATCH v3] tee: remove TZMEM_MODE_GENERIC

[Nathan Chancellor]

On Mon, Aug 31, 2026 at 04:53:12PM -0700, Nathan Chancellor wrote:
> Hi folks,
> 
> On Fri, Aug 07, 2026 at 12:05:13PM -0700, Nathan Chancellor wrote:
> > On Fri, Aug 07, 2026 at 06:50:41PM +0100, Julian Braha wrote:
> > > 'select' does not work on config options in a 'choice', so currently it is
> > > possible to enable QCOMTEE without QCOM_TZMEM_MODE_SHMBRIDGE, even though
> > > this is needed at runtime.
> > > 
> > > There are no users of the generic allocator option,
> > > QCOM_TZMEM_MODE_GENERIC, so let's remove it. Then, we can remove the
> > > containing choice..endchoice, which allows the 'select' to work as
> > > intended.
> > > 
> > > Suggested-by: Arnd Bergmann <arnd@xxxxxxxx>
> > > Signed-off-by: Julian Braha <julianbraha@xxxxxxxxx>
> ...
> 
> > A note to the maintainers: We would like to turn selecting a choice
> > symbol into a hard error in 7.4, so please consider picking this up for
> > 7.3-rc1.
> 
> I would like to pick up
> 
>   https://lore.kernel.org/20260804-kconfig-warn-on-dead-select-for-choice-value-v1-1-e5c9a274d291@xxxxxxxxxx/
> 
> for 7.4 but this was the only patch that did not make 7.3-rc1. Could I
> take it via the Kconfig tree with an ack or be given a shared branch so
> that I can pull it in before I take the above patch?

I have picked this up via the Kbuild tree as

  35abc3cd8ab6 ("tee: remove TZMEM_MODE_GENERIC")

to allow me to pick up the above patch. If you would like to pull it
in, I have added a stable tag.

The following changes since commit cee9395acd8043be0644b25c34bfa86623f2b935:

  Linux 7.3-rc1 (2026-08-30 13:34:40 -0700)

are available in the Git repository at:

  git@xxxxxxxxxxxxxxxxxxx:pub/scm/linux/kernel/git/kbuild/linux.git tags/kbuild-tzmem-kconfig-7.4

for you to fetch changes up to 35abc3cd8ab65dd7d07d4fc48a0d7048ce47d055:

  tee: remove TZMEM_MODE_GENERIC (2026-09-17 16:34:13 -0700)

----------------------------------------------------------------
Stable tag for "tee: remove TZMEM_MODE_GENERIC"

Apply "tee: remove TZMEM_MODE_GENERIC" so that the Kbuild tree can turn
on a warning about selecting a choice configuration option.

Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>

----------------------------------------------------------------
Julian Braha (1):
      tee: remove TZMEM_MODE_GENERIC

 drivers/firmware/qcom/Kconfig      | 26 +++++---------------------
 drivers/firmware/qcom/qcom_tzmem.c |  4 ++--
 2 files changed, 7 insertions(+), 23 deletions(-)

-- 
Cheers,
Nathan