Subject: Build error in torvalds kernel 3.11 for omap2plus

From: [email-masked] (Frederic Weisbecker)
Date: Tue, 10 Sep 2013 17:09:25 +0200

On Tue, Sep 10, 2013 at 08:07:45AM -0700, Kevin Hilman wrote:
> Nicolas Pitre <[email-masked]> writes:
> 
> > Adding Kevin Hilman to the CC as he might be interested as well.
> 
> Thanks, I'd already noticed this but was distracted getting arm-soc
> changes ready for the merge window.  Looking into it now.

I have the fix pending. It passed the cross build so I'll send it soon.

Thanks.

> 
> Kevin
> 
> > On Mon, 9 Sep 2013, Guenter Roeck wrote:
> >
> >> On Mon, Sep 09, 2013 at 09:31:41PM +0100, Russell King - ARM Linux wrote:
> >> > On Mon, Sep 09, 2013 at 09:03:48AM -0700, Guenter Roeck wrote:
> >> > > Unfortunately, there are more problems.
> >> > > 
> >> > > arch/arm/kernel/built-in.o: In function `ret_fast_syscall':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-common.S:42:
> >> > > undefined reference to `user_enter'
> >> > > arch/arm/kernel/built-in.o: In function `no_work_pending':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-common.S:77:
> >> > > undefined reference to `user_enter'
> >> > > arch/arm/kernel/built-in.o: In function `vector_swi':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-common.S:376:
> >> > > undefined reference to `user_exit'
> >> > > arch/arm/kernel/built-in.o: In function `__dabt_usr':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-armv.S:365: undefined reference to `user_exit'
> >> > > arch/arm/kernel/built-in.o: In function `__irq_usr':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-armv.S:375: undefined reference to `user_exit'
> >> > > arch/arm/kernel/built-in.o: In function `__und_usr':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-armv.S:388: undefined reference to `user_exit'
> >> > > arch/arm/kernel/built-in.o: In function `__pabt_usr':
> >> > > /home/groeck/src/linux-stable/arch/arm/kernel/entry-armv.S:662: undefined reference to `user_exit'
> >> > 
> >> > These are due to ad65782fba50 (context_tracking: Optimize main APIs off case
> >> > with static key) converting these functions to be inline.
> >> > 
> >> > No idea what the fix for this is other than reverting the change.  Any
> >> > ideas Frederic?
> >> > 
> >> I am all for reverting unless this can be fixed quickly.
> >> AFAICS this breaks all arm builds if CONFIG_CONTEXT_TRACKING is enabled.
> >> 
> >> Guenter
> >>