Re: [PATCH net-next v6 07/10] virtio_net: xsk: rx: support fill with xsk buffer

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On Thu, 20 Jun 2024 12:20:44 +0200, Paolo Abeni <pabeni@xxxxxxxxxx> wrote:
> Hi,
>
> On Tue, 2024-06-18 at 15:56 +0800, Xuan Zhuo wrote:
> > @@ -1032,6 +1034,53 @@ static void check_sq_full_and_disable(struct virtnet_info *vi,
> >  	}
> >  }
> >
> > +static void sg_fill_dma(struct scatterlist *sg, dma_addr_t addr, u32 len)
> > +{
> > +	sg->dma_address = addr;
> > +	sg->length = len;
> > +}
> > +
> > +static int virtnet_add_recvbuf_xsk(struct virtnet_info *vi, struct receive_queue *rq,
> > +				   struct xsk_buff_pool *pool, gfp_t gfp)
> > +{
> > +	struct xdp_buff **xsk_buffs;
> > +	dma_addr_t addr;
> > +	u32 len, i;
> > +	int err = 0;
>
> Minor nit: the reverse xmas tree order is based on the full line len,
> should be:
> 	int err = 0;
> 	u32 len, i;

Will fix.

>
> [...]
> > @@ -2226,6 +2281,7 @@ static bool try_fill_recv(struct virtnet_info *vi, struct receive_queue *rq,
> >  		u64_stats_update_end_irqrestore(&rq->stats.syncp, flags);
> >  	}
> >
> > +	oom = err == -ENOMEM;
> >  	return !oom;
>
> Minor nit: 'oom' is used only in the above to lines. You could drop
> such variable and just:
> 	return err != -ENOMEM;

Will fix.

>
> Please _do not_ repost just for the above, but please include such
> changes if you should repost for other reasons.

OK.


>
> Also try to include a detailed changelog in each patch after the tag
> area and a '---' separator, it will simplify the review process.

Will do.

Thanks.


>
> Thanks,
>
> Paolo
>




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