Re: [PATCH v2 1/3] tee: optee: Move pool_op helper functions

From: Sumit Garg
Date: Mon Mar 04 2024 - 04:18:45 EST


Hi Balint,

On Mon, 4 Mar 2024 at 14:33, Balint Dobszay <balint.dobszay@xxxxxxx> wrote:
>
> Hi Sumit,
>

[snip]

> >> diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h
> >> index 911ddf92dcee..4cf402424e71 100644
> >> --- a/include/linux/tee_drv.h
> >> +++ b/include/linux/tee_drv.h
> >> @@ -275,6 +275,17 @@ void *tee_get_drvdata(struct tee_device *teedev);
> >> struct tee_shm *tee_shm_alloc_priv_buf(struct tee_context *ctx, size_t size);
> >> struct tee_shm *tee_shm_alloc_kernel_buf(struct tee_context *ctx, size_t size);
> >>
> >> +int tee_shm_pool_op_alloc_helper(struct tee_shm_pool *pool, struct tee_shm *shm,
> >> + size_t size, size_t align,
> >> + int (*shm_register)(struct tee_context *ctx,
> >> + struct tee_shm *shm,
> >> + struct page **pages,
> >> + size_t num_pages,
> >> + unsigned long start));
> >> +void tee_shm_pool_op_free_helper(struct tee_shm_pool *pool, struct tee_shm *shm,
> >> + int (*shm_unregister)(struct tee_context *ctx,
> >> + struct tee_shm *shm));
> >> +
> >
> > These rather belong to drivers/tee/tee_private.h as we shouldn't
> > expose them to other kernel client drivers.
>
> As per the discussion in the other thread I'll ignore this.
>

Then it will have conflicts with this [1] patch. If you are fine to
incorporate [1] in your series then the right place for these function
declarations should be include/linux/tee_core.h.

[1] https://www.spinics.net/lists/kernel/msg5122983.html

-Sumit

> Regards,
> Balint
>
> >> struct tee_shm *tee_shm_register_kernel_buf(struct tee_context *ctx,
> >> void *addr, size_t length);
> >>
> >> --
> >> 2.34.1
> >>