Re: [PATCH v2] backports: add ktime_get_boot_ns()

[Johannes Berg <johannes@sipsolutions.net>]

On Fri, 2015-12-04 at 22:14 +0100, Hauke Mehrtens wrote:
> 
> I am getting this error with your patch on kernel 4.3:
> 
> hauke@hauke-desktop:~/compat-wireless/tmp$ ionice -c 3 nice -n 20
> make V=99
>   CC [M]  /home/hauke/compat-wireless/tmp/compat/main.o
> In file included from include/linux/hrtimer.h:18:0,
>                  from
> /home/hauke/compat-wireless/tmp/backport-
> include/linux/timekeeping.h:5,
>                  from include/linux/ktime.h:297,
>                  from
> /home/hauke/compat-wireless/tmp/backport-include/linux/ktime.h:3,
>                  from include/linux/rcupdate.h:47,
>                  from
> /home/hauke/compat-wireless/tmp/backport-include/linux/rcupdate.h:3,
>                  from include/linux/srcu.h:33,
>                  from include/linux/notifier.h:15,
>                  from include/linux/memory_hotplug.h:6,
>                  from include/linux/mmzone.h:812,
>                  from include/linux/gfp.h:5,
>                  from
> /home/hauke/compat-wireless/tmp/backport-include/linux/gfp.h:3,
>                  from include/linux/kmod.h:22,
>                  from include/linux/module.h:13,
>                  from
> /home/hauke/compat-wireless/tmp/backport-include/linux/module.h:3,
>                  from /home/hauke/compat-
> wireless/tmp/compat/main.c:1:
> include/linux/rbtree.h: In function ‘rb_link_node_rcu’:
> include/linux/rbtree.h:95:2: error: implicit declaration of function
> ‘rcu_assign_pointer’ [-Werror=implicit-function-declaration]
>   rcu_assign_pointer(*rb_link, node);
>   ^
> 

Strange. I got different but similarly strange warnings though, I'll
send the patch I ended up using.

johannes
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