randconfig build error

[Felipe Balbi]

On Sat, Feb 22, 2014 at 02:15:25PM +0000, Russell King - ARM Linux wrote:
> On Fri, Feb 21, 2014 at 09:55:13AM -0600, Felipe Balbi wrote:
> > Here's the error I found:
> > 
> > warning: (ARCH_HI3xxx && SOC_OMAP5 && ARCH_SHMOBILE_MULTI) selects HAVE_ARM_TWD which has unmet direct dependencies (SMP)
> > warning: (ARCH_HI3xxx && SOC_OMAP5 && ARCH_SHMOBILE_MULTI) selects HAVE_ARM_TWD which has unmet direct dependencies (SMP)
> > arch/arm/mach-prima2/common.c:23:20: warning: ‘sirfsoc_map_io’ defined but not used [-Wunused-function]
> >  static __init void sirfsoc_map_io(void)
> >                     ^
> > arch/arm/kernel/smp_twd.c: In function ‘twd_local_timer_of_register’:
> > arch/arm/kernel/smp_twd.c:391:20: error: ‘setup_max_cpus’ undeclared (first use in this function)
> >   if (!is_smp() || !setup_max_cpus)
> >                     ^
> > arch/arm/kernel/smp_twd.c:391:20: note: each undeclared identifier is reported only once for each function it appears in
> > make[1]: *** [arch/arm/kernel/smp_twd.o] Error 1
> > make[1]: *** Waiting for unfinished jobs....
> > make: *** [arch/arm/kernel] Error 2
> > make: *** Waiting for unfinished jobs....
> > 
> > The funny part of that is that SOC_OMAP5, ARCH_SHMOBILE_MULTI, and
> > ARCH_HI3xxx have:
> > 
> > 	select HAVE_ARM_TWD if SMP
> > 
> > so how come we still select it if CONFIG_SMP=n on that particular
> > randconfig ?
> 
> Are you entirely certian which kernel version you're building?  v3.14-rc1
> to my tip has this:
> 
> diff --git a/arch/arm/mach-hisi/Kconfig b/arch/arm/mach-hisi/Kconfig
> index 8f4649b301b2..1abae5f6a418 100644
> --- a/arch/arm/mach-hisi/Kconfig
> +++ b/arch/arm/mach-hisi/Kconfig
> @@ -8,7 +8,7 @@ config ARCH_HI3xxx
>         select CLKSRC_OF
>         select GENERIC_CLOCKEVENTS
>         select HAVE_ARM_SCU
> -       select HAVE_ARM_TWD
> +       select HAVE_ARM_TWD if SMP
>         select HAVE_SMP
>         select PINCTRL
>         select PINCTRL_SINGLE
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index 653b489479e0..e2ce4f8366a7 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -54,7 +54,7 @@ config SOC_OMAP5
>         select ARM_GIC
>         select CPU_V7
>         select HAVE_ARM_SCU if SMP
> -       select HAVE_ARM_TWD if LOCAL_TIMERS
> +       select HAVE_ARM_TWD if SMP
>         select HAVE_SMP
>         select HAVE_ARM_ARCH_TIMER
>         select ARM_ERRATA_798181 if SMP
> diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
> index 338640631e08..05fa505df585 100644
> --- a/arch/arm/mach-shmobile/Kconfig
> +++ b/arch/arm/mach-shmobile/Kconfig
> @@ -8,7 +8,7 @@ config ARCH_SHMOBILE_MULTI
>         select CPU_V7
>         select GENERIC_CLOCKEVENTS
>         select HAVE_ARM_SCU if SMP
> -       select HAVE_ARM_TWD if LOCAL_TIMERS
> +       select HAVE_ARM_TWD if SMP
>         select HAVE_SMP
>         select ARM_GIC
>         select MIGHT_HAVE_CACHE_L2X0
> 
> The relevant bits are the "-" lines, which indicate that with v3.14-rc1,
> ARCH_HI3xxx would select HAVE_ARM_TWD without SMP set, and indeed, your
> config you attached has ARCH_HI3xxx set.

yeah, just checked that it builds just fine on -rc3. Thanks

-- 
balbi
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