linux-kernel - Re: [Linaro-mm-sig] Re: [PATCH] dma-buf: Correct the documentation of name and exp

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Date:   Wed, 29 Nov 2023 16:18:39 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Christian König <christian.koenig@....com>
Cc:     Ramesh Errabolu <Ramesh.Errabolu@....com>,
        amd-gfx@...ts.freedesktop.org, sumit.semwal@...aro.org,
        linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org
Subject: Re: [Linaro-mm-sig] Re: [PATCH] dma-buf: Correct the documentation of
 name and exp_name symbols

On Wed, Nov 22, 2023 at 1:58 PM Christian König
<christian.koenig@....com> wrote:
>
> Am 22.11.23 um 17:05 schrieb Ramesh Errabolu:
> > Fix the documentation of struct dma_buf members name and exp_name
> > as to how these members are to be used and accessed.
> >
> > Signed-off-by: Ramesh Errabolu <Ramesh.Errabolu@....com>
>
> Reviewed-by: Christian König <christian.koenig@....com>

Please apply this to drm-misc.

Alex

>
> > ---
> >   include/linux/dma-buf.h | 11 +++++++----
> >   1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
> > index 3f31baa3293f..8ff4add71f88 100644
> > --- a/include/linux/dma-buf.h
> > +++ b/include/linux/dma-buf.h
> > @@ -343,16 +343,19 @@ struct dma_buf {
> >       /**
> >        * @exp_name:
> >        *
> > -      * Name of the exporter; useful for debugging. See the
> > -      * DMA_BUF_SET_NAME IOCTL.
> > +      * Name of the exporter; useful for debugging. Must not be NULL
> >        */
> >       const char *exp_name;
> >
> >       /**
> >        * @name:
> >        *
> > -      * Userspace-provided name; useful for accounting and debugging,
> > -      * protected by dma_resv_lock() on @resv and @name_lock for read access.
> > +      * Userspace-provided name. Default value is NULL. If not NULL,
> > +      * length cannot be longer than DMA_BUF_NAME_LEN, including NIL
> > +      * char. Useful for accounting and debugging. Read/Write accesses
> > +      * are protected by @name_lock
> > +      *
> > +      * See the IOCTLs DMA_BUF_SET_NAME or DMA_BUF_SET_NAME_A/B
> >        */
> >       const char *name;
> >
>
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