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

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On Mon, 4 Mar 2024 at 19:57, Balint Dobszay <balint.dobszay@xxxxxxx> wrote:
>
> On 4 Mar 2024, at 10:17, Sumit Garg wrote:
>
> > 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
>
> You're right, I'll rebase my patches on this.
>
> By incorporating your patch in my series, do you mean that I should just
> add it as the first patch in the series for the next version?

If you are happy to carry it then I would be in favour of this to take
care of dependency.

-Sumit

> Or keep my
> series as is (do the rebase of course) and just mention that it's using
> your patch as base?
>
> Regards,
> Balint
>
> >>
> >>>>  struct tee_shm *tee_shm_register_kernel_buf(struct tee_context *ctx,
> >>>>                                             void *addr, size_t length);
> >>>>
> >>>> --
> >>>> 2.34.1
> >>>>




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