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SubjectRe: [RFC PATCH v3] net: sched: convert qdisc linked list to hashtable

[ added CCs ]

On Tue, 12 Jul 2016, kbuild test robot wrote:

> Hi,
>
> [auto build test ERROR on net/master]
> [also build test ERROR on v4.7-rc7 next-20160711]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Jiri-Kosina/net-sched-convert-qdisc-linked-list-to-hashtable/20160711-220527
> config: arm-tct_hammer_defconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205
> reproduce:
> wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> make.cross ARCH=arm
>
> All errors (new ones prefixed by >>):
>
> net/built-in.o: In function `dev_activate':
> >> wext-proc.c:(.text+0x38544): undefined reference to `qdisc_hash_add'

This issue is be there even without my patch (but with qdisc_list_add
instead), isn't it?

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).

--
Jiri Kosina
SUSE Labs

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