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Groups > linux.kernel > #1435021
| From | Eric Dumazet <eric.dumazet@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). |
| Date | 2016-07-01 07:20 +0200 |
| Message-ID | <rPZ1T-2y2-9@gated-at.bofh.it> (permalink) |
| References | (1 earlier) <rOTBf-2tn-19@gated-at.bofh.it> <rOUnD-328-9@gated-at.bofh.it> <rOUGZ-39l-1@gated-at.bofh.it> <rOUGZ-39l-15@gated-at.bofh.it> <rPX05-1jY-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, 2016-07-01 at 11:06 +0800, Ding Tianhong wrote: > I debug this problem, and found that the __fib6_clean_all() would not > hold the cpu more than 1 second event though there > is a lot of ipv6 address to deal with, but the notifier_chian would > call the ipv6 notifier several times and hold the cpu > for a long time, so add cond_resched() in the addrconf_ifdown could > solve the problem correctly, I think your first solution > is the good way to fix this bug. I am traveling these days, so please send an official patch once you've tested it, thanks !
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[PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Ding Tianhong <dingtianhong@huawei.com> - 2016-06-28 07:00 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Eric Dumazet <eric.dumazet@gmail.com> - 2016-06-28 07:20 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Ding Tianhong <dingtianhong@huawei.com> - 2016-06-28 08:10 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Eric Dumazet <eric.dumazet@gmail.com> - 2016-06-28 08:30 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Eric Dumazet <eric.dumazet@gmail.com> - 2016-06-28 08:30 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Ding Tianhong <dingtianhong@huawei.com> - 2016-07-01 05:10 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Eric Dumazet <eric.dumazet@gmail.com> - 2016-07-01 07:20 +0200
Re: [PATCH v2] notifier: Fix soft lockup for notifier_call_chain(). Cong Wang <xiyou.wangcong@gmail.com> - 2016-06-28 19:40 +0200
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