Re: [PATCH v7 10/12] firmware: qcom: tzmem: enable SHM Bridge support

Bartosz Golaszewski
2024-02-21T19:06:42Z

On Sun, Feb 18, 2024 at 4:41 AM Bjorn Andersson <andersson@kernel.org> wrote:
>
> On Mon, Feb 05, 2024 at 07:28:08PM +0100, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
> >
> > Add a new Kconfig option for selecting the SHM Bridge mode of operation
>
> The Kconfig option is the least significant bit of this patch. I guess
> there isn't really a problem to describe, but let's at least mention
> that we're switching TZ to shmbridge mode and all.
>
> > for the TrustZone memory allocator.
> >
> > If enabled at build-time, it will still be checked for availability at
> > run-time. If the architecture doesn't support SHM Bridge, the allocator
> > will work just like in the default mode.
>
> "default mode"...SHMBRIDGE is the default mode from this point onwards.
>

Well, it is starting with patch 12/12 and only with arm64 defconfig.
The Kconfig *default* is still the regular non-SHM bridge pool. I'll
work on the naming convention.

Bart

[snip]