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Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable

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On Thu, Jul 28, 2016 at 5:53 AM, Fengguang Wu <lkp@intel.com> wrote:
> On Thu, Jul 28, 2016 at 01:18:27PM +0200, Jiri Kosina wrote:
>> This issue is be there even without my patch (but with qdisc_list_add
>> instead), isn't it?
>
>
> Yes it looks so, this number happens in a number of places:
>
> dns_query.c:(.text+0x39b84): undefined reference to `qdisc_hash_add'
> include/linux/netdevice.h:1935: undefined reference to `qdisc_hash_add'
> net/core/netevent.c:31: undefined reference to `qdisc_hash_add'
> net/sched/sch_generic.c:789: undefined reference to `qdisc_hash_add'
> sch_generic.c:(.text+0x33487): undefined reference to `qdisc_hash_add'
> switchdev.c:(.text+0x3bf58): undefined reference to `qdisc_hash_add'
> sysctl_net.c:(.text+0x31f70): undefined reference to `qdisc_hash_add'
> (.text.dev_activate+0x228): undefined reference to `qdisc_hash_add'
> (.text+0x37d0b): undefined reference to `qdisc_hash_add'
> wext-proc.c:(.text+0x390a8): undefined reference to `qdisc_hash_add'
>
>> The problem is that sch_generic.c (where dev_activate() is) is being
>> compiled everytime CONFIG_NET is set, but sch_api.c (where
>> qdisc_list_add() is defined) only when CONFIG_NET_SCHED is set (and there
>> is no stub for !CONFIG_NET_SCHED case).
>
>
> So it looks like a more general problem than specific to this patch.

Agreed. I can send a patch if Jiri doesn't. ;)

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[PATCH v4] net: sched: convert qdisc linked list to hashtable Jiri Kosina <jikos@kernel.org> - 2016-07-28 12:00 +0200
  Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable kbuild test robot <lkp@intel.com> - 2016-07-28 13:20 +0200
    Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Jiri Kosina <jikos@kernel.org> - 2016-07-28 13:20 +0200
      Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Fengguang Wu <lkp@intel.com> - 2016-07-28 15:00 +0200
        Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Cong Wang <xiyou.wangcong@gmail.com> - 2016-07-28 19:00 +0200
        Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Fengguang Wu <lkp@intel.com> - 2016-07-31 13:30 +0200
          Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Jiri Kosina <jikos@kernel.org> - 2016-08-01 12:20 +0200
  Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable kbuild test robot <lkp@intel.com> - 2016-07-28 13:30 +0200
  Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable kbuild test robot <lkp@intel.com> - 2016-07-28 14:00 +0200
  Re: [PATCH v4] net: sched: convert qdisc linked list to hashtable Cong Wang <xiyou.wangcong@gmail.com> - 2016-07-28 19:00 +0200
  [PATCH v5] net: sched: convert qdisc linked list to hashtable Jiri Kosina <jikos@kernel.org> - 2016-07-29 10:00 +0200
    Re: [PATCH v5] net: sched: convert qdisc linked list to hashtable kbuild test robot <lkp@intel.com> - 2016-07-29 22:10 +0200
    [PATCH v6] net: sched: convert qdisc linked list to hashtable Jiri Kosina <jikos@kernel.org> - 2016-08-01 12:30 +0200

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