Re: [RFC PATCH net 2/3] virtio-net: allow usage of vrings smaller than MAX_SKB_FRAGS + 2

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


> First up to 4k should not be a problem. Even jumbo frames e.g. 9k
> is highly likely to succeed. And a probe time which is often boot
> even 64k isn't a problem ...
> Hmm. We could allocate large buffers at probe time. Reuse them and
> copy data over.
> IOW reusing  GOOD_COPY_LEN flow for this case.  Not yet sure how I feel
> about this. OTOH it removes the need for the whole feature blocking
> approach, does it not?

It could work..

In order to remove completely the feature blocking approach, we'll need to let the control commands fail (as you mentioned in the other patch).
I'm not sure I like it, it means many warnings from virtnet..
And it means accepting features that we know for sure that are not going to work.
Virtualization mailing list

[Index of Archives]     [KVM Development]     [Libvirt Development]     [Libvirt Users]     [CentOS Virtualization]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [Kernel Newbies]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite Forum]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux