Groups > linux.kernel > #1571990

Re: net: suspicious RCU usage in nf_hook

From	Eric Dumazet <eric.dumazet@gmail.com>
Newsgroups	linux.kernel
Subject	Re: net: suspicious RCU usage in nf_hook
Date	2017-02-01 22:30 +0100
Message-ID	<t6aDv-30T-3@gated-at.bofh.it> (permalink)
References	(3 earlier) <t4q9H-3hQ-5@gated-at.bofh.it> <t5A70-5JM-19@gated-at.bofh.it> <t5IQW-2qi-15@gated-at.bofh.it> <t6aau-2uM-23@gated-at.bofh.it> <t6atP-2Vw-7@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Wed, 2017-02-01 at 13:16 -0800, Eric Dumazet wrote:

> This would permanently leave the kernel in the netstamp_needed state.
> 
> I would prefer the patch using a process context to perform the
> cleanup ? Note there is a race window, but probably not a big deal.
> 
>  net/core/dev.c |   30 ++++++++++--------------------
>  1 file changed, 10 insertions(+), 20 deletions(-)

Patch is not complete (for the HAVE_JUMP_LABEL=n case)

Would you like to author/submit it ?

Thanks.

Thread

Re: net: suspicious RCU usage in nf_hook Cong Wang <xiyou.wangcong@gmail.com> - 2017-01-31 07:30 +0100
  Re: net: suspicious RCU usage in nf_hook Eric Dumazet <eric.dumazet@gmail.com> - 2017-01-31 16:50 +0100
    Re: net: suspicious RCU usage in nf_hook Cong Wang <xiyou.wangcong@gmail.com> - 2017-02-01 22:00 +0100
      Re: net: suspicious RCU usage in nf_hook Eric Dumazet <eric.dumazet@gmail.com> - 2017-02-01 22:20 +0100
        Re: net: suspicious RCU usage in nf_hook Eric Dumazet <eric.dumazet@gmail.com> - 2017-02-01 22:30 +0100
        Re: net: suspicious RCU usage in nf_hook Cong Wang <xiyou.wangcong@gmail.com> - 2017-02-02 00:40 +0100
          Re: net: suspicious RCU usage in nf_hook Eric Dumazet <edumazet@google.com> - 2017-02-02 00:50 +0100
            Re: net: suspicious RCU usage in nf_hook Eric Dumazet <eric.dumazet@gmail.com> - 2017-02-02 01:00 +0100
              Re: net: suspicious RCU usage in nf_hook Cong Wang <xiyou.wangcong@gmail.com> - 2017-02-02 19:10 +0100

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