From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Thomas Monjalon <thomas.monjalon@6wind.com>,
"Xie, Huawei" <huawei.xie@intel.com>
Cc: dev@dpdk.org, Rich Lane <rich.lane@bigswitch.com>
Subject: Re: [dpdk-dev] [PATCH] virtio: use zeroed memory for simple TX header
Date: Tue, 5 Apr 2016 04:05:38 +0800 [thread overview]
Message-ID: <20160404200538.GK3080@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <2344074.HmCM8hzj4i@xps13>
On Mon, Apr 04, 2016 at 03:13:37PM +0200, Thomas Monjalon wrote:
> Huawei, Yuanhan, any comment?
>
> 2016-03-31 13:01, Rich Lane:
> > vq->vq_ring.desc[i + mid_idx].next = i;
> > vq->vq_ring.desc[i + mid_idx].addr =
> > - vq->virtio_net_hdr_mem +
> > - i * vq->hw->vtnet_hdr_size;
> > + vq->virtio_net_hdr_mem;
I could be wrong, but this looks like a special case when i == 0,
which is by no way that zeroed memory is guaranteed? Huawei, do
you have time to check this patch?
Thanks.
next prev parent reply other threads:[~2016-04-04 20:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 20:01 Rich Lane
2016-04-04 13:13 ` Thomas Monjalon
2016-04-04 20:05 ` Yuanhan Liu [this message]
2016-04-04 22:57 ` Rich Lane
2016-04-05 0:11 ` Yuanhan Liu
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