Re: [PATCH] x86: include linux/ratelimit.h in nmi.c

[Alexandre Belloni <alexandre.belloni@free-electrons.com>]

On 06/06/2016 at 16:09:52 +0200, Arnd Bergmann wrote :
> When building random configurations, we now occasionally get a new
> build error:
> 
>    In file included from include/linux/kernel.h:13:0,
>                     from include/linux/list.h:8,
>                     from include/linux/preempt.h:10,
>                     from include/linux/spinlock.h:50,
>                     from arch/x86/kernel/nmi.c:13:
>    arch/x86/kernel/nmi.c: In function 'nmi_max_handler':
>    include/linux/printk.h:375:9: error: type defaults to 'int' in declaration of 'DEFINE_RATELIMIT_STATE' [-Werror=implicit-int]
>      static DEFINE_RATELIMIT_STATE(_rs,    \
>             ^
>    arch/x86/kernel/nmi.c:110:2: note: in expansion of macro 'printk_ratelimited'
>      printk_ratelimited(KERN_INFO
>      ^~~~~~~~~~~~~~~~~~
> 
> This was working before the rtc rework series because linux/ratelimit.h
> was included implictly through asm/mach_traps.h -> asm/mc146818rtc.h
> -> linux/mc146818rtc.h -> linux/rtc.h -> linux/device.h.
> 
> We clearly shouldn't rely on this indirect inclusion, so this adds
> an explicit #include in the file that needs it.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> Reported-by: kbuild test robot <fengguang.wu@intel.com>
> Fixes: 5ab788d73832 ("rtc: cmos: move mc146818rtc code out of asm-generic/rtc.h")
> ---
> It's only broken in the linux-rtc git at the moment, so it makes sense
> to fix it there.
> 
>  arch/x86/kernel/nmi.c | 1 +
>  1 file changed, 1 insertion(+)
> 
Applied, thanks.

-- 
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com