RE: [PATCH v2 02/16] remoteproc: add release ops in rproc_mem_entry struct
From: Loic PALLARDY
Date: Fri Jan 12 2018 - 02:43:59 EST
> -----Original Message-----
> From: Bjorn Andersson [mailto:bjorn.andersson@xxxxxxxxxx]
> Sent: Thursday, December 14, 2017 1:34 AM
> To: Loic PALLARDY <loic.pallardy@xxxxxx>
> Cc: ohad@xxxxxxxxxx; linux-remoteproc@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; Arnaud POULIQUEN <arnaud.pouliquen@xxxxxx>;
> benjamin.gaignard@xxxxxxxxxx
> Subject: Re: [PATCH v2 02/16] remoteproc: add release ops in
> rproc_mem_entry struct
>
> On Thu 30 Nov 08:46 PST 2017, Loic Pallardy wrote:
>
> > +static int rproc_release_carveout(struct rproc *rproc, struct
> rproc_mem_entry *mem)
> > +{
> > + struct device *dev = &rproc->dev;
> > +
> > + /* clean up carveout allocations */
> > + dma_free_coherent(dev->parent, mem->len, mem->va, mem-
> >dma);
> > + list_del(&mem->node);
>
> The core is responsible for putting the node on a list, so let the
> cleanup take if off the list.
ok
>
> > + kfree(mem);
> > + return 0;
> > +}
> > +
> [..]
> > @@ -319,12 +322,11 @@ struct rproc_mem_entry {
> > dma_addr_t dma;
> > int len;
> > u32 da;
> > + int (*release)(struct rproc *rproc, struct rproc_mem_entry *mem);
>
> The placement here seems random, please move it last in the struct.
ok
>
> > void *priv;
> > struct list_head node;
> > };
> >
>
> Regards,
> Bjorn