Re: [PATCH] x86/platform/uv: Include clocksource.h for clocksource_touch_watchdog()

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On Fri, Dec 11, 2015 at 12:06 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> * Andy Lutomirski <luto@xxxxxxxxxx> wrote:
>
>> diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
>> index f80d70009ff8..6d7d0e52ed5a 100644
>> --- a/arch/x86/include/asm/fixmap.h
>> +++ b/arch/x86/include/asm/fixmap.h
>> @@ -19,7 +19,6 @@
>>  #include <asm/acpi.h>
>>  #include <asm/apicdef.h>
>>  #include <asm/page.h>
>> -#include <asm/pvclock.h>
>>  #ifdef CONFIG_X86_32
>>  #include <linux/threads.h>
>>  #include <asm/kmap_types.h>
>
> So this change triggered a build failure on 64-bit allmodconfig - fixed via the
> patch below. Your change unearthed a latent bug, a missing header inclusion.
>
> Thanks,
>
>         Ingo
>
> ============>
> From d51953b0873358d13b189996e6976dfa12a9b59d Mon Sep 17 00:00:00 2001
> From: Ingo Molnar <mingo@xxxxxxxxxx>
> Date: Fri, 11 Dec 2015 09:01:30 +0100
> Subject: [PATCH] x86/platform/uv: Include clocksource.h for clocksource_touch_watchdog()
>
> This build failure triggers on 64-bit allmodconfig:
>
>   arch/x86/platform/uv/uv_nmi.c:493:2: error: implicit declaration of function ‘clocksource_touch_watchdog’ [-Werror=implicit-function-declaration]
>
> which is caused by recent changes exposing a missing clocksource.h include
> in uv_nmi.c:
>
>   cc1e24fdb064 x86/vdso: Remove pvclock fixmap machinery
>
> this file got clocksource.h indirectly via fixmap.h - that stealth route
> of header inclusion is now gone.
>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> Cc: H. Peter Anvin <hpa@xxxxxxxxx>
> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>

LGTM.

--Andy
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