Re: [PATCH 3/6] net: thunderx: Increase transmit queue length

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH 3/6] net: thunderx: Increase transmit queue length
Date	2015-12-01 20:40 +0100
Message-ID	<qAYWm-5oy-5@gated-at.bofh.it> (permalink)
References	<qAUpH-2rO-9@gated-at.bofh.it> <qAVc6-30Q-13@gated-at.bofh.it> <qAW8a-3BH-11@gated-at.bofh.it>
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From: Sunil Kovvuri <sunil.kovvuri@gmail.com>
Date: Tue, 1 Dec 2015 22:00:49 +0530

> Increasing descriptor ring size will lead to more memory allocation.
> And what you are seeing is a memory alloc failure and doesn't seem
> to be due to this driver change.  I mean it looks like the behavior
> will be same for other drivers as well.

The driver should successfully recover from out of memory situations
and not stop RX/TX completely.

There might be some other problem with your driver causing this.

Don't put this off as not "related" to your patch, it is as this
introduces the behavior for this user, and you should fix it before
expecting me to apply this patch series.
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Thread

[PATCH 3/6] net: thunderx: Increase transmit queue length Sunil Goutham <sunil.kovvuri@gmail.com> - 2015-12-01 10:20 +0100
  RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-01 15:50 +0100
    Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Eric Dumazet <eric.dumazet@gmail.com> - 2015-12-01 16:40 +0100
      Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Sunil Kovvuri <sunil.kovvuri@gmail.com> - 2015-12-01 17:40 +0100
        Re: [PATCH 3/6] net: thunderx: Increase transmit queue length David Miller <davem@davemloft.net> - 2015-12-01 20:40 +0100
          Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Sunil Kovvuri <sunil.kovvuri@gmail.com> - 2015-12-02 06:50 +0100
            Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Eric Dumazet <eric.dumazet@gmail.com> - 2015-12-02 14:30 +0100
              Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Eric Dumazet <eric.dumazet@gmail.com> - 2015-12-02 18:00 +0100
              Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Sunil Kovvuri <sunil.kovvuri@gmail.com> - 2015-12-02 18:00 +0100
            Re: [PATCH 3/6] net: thunderx: Increase transmit queue length David Miller <davem@davemloft.net> - 2015-12-02 18:40 +0100
        RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-02 10:10 +0100
          RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-02 11:40 +0100
            RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-02 13:30 +0100
              Re: [PATCH 3/6] net: thunderx: Increase transmit queue length Sunil Kovvuri <sunil.kovvuri@gmail.com> - 2015-12-02 14:00 +0100
                RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-02 14:30 +0100
      RE: [PATCH 3/6] net: thunderx: Increase transmit queue length Pavel Fedin <p.fedin@samsung.com> - 2015-12-02 09:10 +0100

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