[Intel-gfx] [PATCH v4 2/5] drm: Add private data field to trace control block

[Patrik Jakobsson]

On Jul 20, 2016 4:50 PM, "Dmitry V. Levin" <ldv at altlinux.org> wrote:
>
> On Mon, Sep 07, 2015 at 08:23:57PM +0200, Patrik Jakobsson wrote:
> > On Mon, Sep 7, 2015 at 6:51 PM, Dmitry V. Levin wrote:
> > > On Mon, Aug 31, 2015 at 02:37:07PM +0200, Patrik Jakobsson wrote:
> > > [...]
> > >> Here's my take on it (I assume it needs some discussion):
> > >>
> > >> int
> > >> set_tcb_priv_data(struct tcb *tcp, void *priv_data)
> > >> {
> > >>       /* A free callback is required before setting private data and
private
> > >>        * data must be set back to NULL before being set again.
> > >>        */
> > >
> > > I think a single function initializing both _priv_data and
_free_priv_data
> > > would suffice:
> > >
> > > int
> > > set_tcb_priv_data(struct tcb *tcp, void *priv_data,
> > >                   void (*free_priv_data)(void *))
> > > {
> > >         if (tcp->_priv_data)
> > >                 return -1;
> > >
> > >         tcp->_free_priv_data = free_priv_data;
> > >         tcp->_priv_data = priv_data;
> > >
> > >         return 0;
> > > }
> >
> > Sure, and since they always come in a pairs it might be even better. If
it turns
> > out we need it split up it is easily done later.
>
> JFYI, I've finalized and merged this set_tcb_priv_data interface.

Thanks Dmitry

-Patrik

>
>
> --
> ldv
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