Re: [PATCH] kernel: context_tracking: use extern function instead ofstatic inline function for user_enter/exit()

From: Frederic Weisbecker
Date: Wed Oct 23 2013 - 07:11:56 EST


On Wed, Oct 23, 2013 at 06:38:35PM +0800, Chen Gang wrote:
> The related assemble code can not find the static inline function. The
> related commit "ad65782 context_tracking: Optimize main APIs off case
> with static key" causes this issue.
>
> The related error (for arm, with allmodconfig):
>
> LD init/built-in.o
> arch/arm/kernel/built-in.o: In function `ret_fast_syscall':
> arch/arm/kernel/entry-common.S:42: undefined reference to `user_enter'
> arch/arm/kernel/built-in.o: In function `no_work_pending':
> arch/arm/kernel/entry-common.S:77: undefined reference to `user_enter'
> arch/arm/kernel/built-in.o: In function `vector_swi':
> arch/arm/kernel/entry-common.S:376: undefined reference to `user_exit'
> arch/arm/kernel/built-in.o: In function `__dabt_usr':
> arch/arm/kernel/entry-armv.S:365: undefined reference to `user_exit'
> arch/arm/kernel/built-in.o: In function `__irq_usr':
> arch/arm/kernel/entry-armv.S:375: undefined reference to `user_exit'
> arch/arm/kernel/built-in.o: In function `__und_usr':
> arch/arm/kernel/entry-armv.S:388: undefined reference to `user_exit'
> arch/arm/kernel/built-in.o: In function `__pabt_usr':
> arch/arm/kernel/entry-armv.S:662: undefined reference to `user_exit'
>
>
> Signed-off-by: Chen Gang <gang.chen@xxxxxxxxxxx>

Doesn't 0c06a5d4b13cd66c833805a0d1db76b977944aac
("arm: Fix build error with context tracking calls") fix the issue for you?
Or may be it's another problem I missed?

Thanks.
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