Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1376325

Re: [PATCH net v2] net: sched: do not requeue a NULL skb

From Cong Wang <xiyou.wangcong@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH net v2] net: sched: do not requeue a NULL skb
Date 2016-04-12 01:20 +0200
Message-ID <rmThD-5tf-1@gated-at.bofh.it> (permalink)
References (4 earlier) <rmLN8-7Xx-21@gated-at.bofh.it> <rmMpQ-8jk-23@gated-at.bofh.it> <rmOrD-1z2-5@gated-at.bofh.it> <rmOL0-1Jw-9@gated-at.bofh.it> <rmOUH-1Pg-27@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On Mon, Apr 11, 2016 at 11:30 AM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> On Mon, 2016-04-11 at 11:26 -0700, Eric Dumazet wrote:
>> On Mon, 2016-04-11 at 11:02 -0700, Cong Wang wrote:
>>
>> > I am fine with either way as long as the loop stops on failure.
>
>
> Note that skb that could not be validated is already freed.
>
> So I do not see any value from stopping the loop, since
> we need to schedule the queue to avoid tx hang.
>
> Just process following skb if there is one, fact that skb is sent or
> dropped does not matter.

My point is, for example, in OOM case, we don't know processing
more SKB would make it better or worse. Maybe we really need to
check the error code to decide to continue to exit?

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH net v2] net: sched: do not requeue a NULL skb Lars Persson <lars.persson@axis.com> - 2016-04-11 08:30 +0200
  Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-11 15:30 +0200
    Re: [PATCH net v2] net: sched: do not requeue a NULL skb Lars Persson <lars.persson@axis.com> - 2016-04-11 15:40 +0200
      Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-11 16:30 +0200
        Re: [PATCH net v2] net: sched: do not requeue a NULL skb Lars Persson <lars.persson@axis.com> - 2016-04-11 17:20 +0200
          Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-11 18:00 +0200
            Re: [PATCH net v2] net: sched: do not requeue a NULL skb Cong Wang <xiyou.wangcong@gmail.com> - 2016-04-11 20:10 +0200
              Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-11 20:30 +0200
                Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-11 20:40 +0200
                Re: [PATCH net v2] net: sched: do not requeue a NULL skb Cong Wang <xiyou.wangcong@gmail.com> - 2016-04-12 01:20 +0200
                Re: [PATCH net v2] net: sched: do not requeue a NULL skb Eric Dumazet <eric.dumazet@gmail.com> - 2016-04-12 01:50 +0200
          Re: [PATCH net v2] net: sched: do not requeue a NULL skb Cong Wang <xiyou.wangcong@gmail.com> - 2016-04-11 20:00 +0200

csiph-web