linux-kernel - Re: [PATCH v2 09/24] mips/cpu: Expose play

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Message-ID: <c56dc4b9-035d-7773-ecb2-0e1ac6af7abc@linaro.org>
Date:   Wed, 15 Feb 2023 09:29:20 +0100
From:   Philippe Mathieu-Daudé <philmd@...aro.org>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     linux-kernel@...r.kernel.org, jgross@...e.com,
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Subject: Re: [PATCH v2 09/24] mips/cpu: Expose play_dead()'s prototype
 definition

On 14/2/23 19:11, Josh Poimboeuf wrote:
> On Tue, Feb 14, 2023 at 08:46:41AM +0100, Philippe Mathieu-Daudé wrote:
>> Hi Josh,
>>
>> On 14/2/23 08:05, Josh Poimboeuf wrote:
>>> Include <asm/smp.h> to make sure play_dead() matches its prototype going
>>> forward.
>>>
>>> Acked-by: Florian Fainelli <f.fainelli@...il.com>
>>> Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
>>> ---
>>>    arch/mips/kernel/smp-bmips.c | 1 +
>>>    1 file changed, 1 insertion(+)
>>>
>>> diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
>>> index f5d7bfa3472a..df9158e8329d 100644
>>> --- a/arch/mips/kernel/smp-bmips.c
>>> +++ b/arch/mips/kernel/smp-bmips.c
>>> @@ -38,6 +38,7 @@
>>>    #include <asm/traps.h>
>>>    #include <asm/barrier.h>
>>>    #include <asm/cpu-features.h>
>>> +#include <asm/smp.h>
>>
>> What about the other implementations?
>>
>> $ git grep -L asm/smp.h $(git grep -wlF 'play_dead(void)' arch/mips)
>> arch/mips/cavium-octeon/smp.c
>> arch/mips/kernel/smp-bmips.c
>> arch/mips/kernel/smp-cps.c
>> arch/mips/loongson64/smp.c
> 
> Indeed.  I really wish we had -Wmissing-prototypes.
> 
> I'll squash this in:
> 
> diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
> index 89954f5f87fb..4212584e6efa 100644
> --- a/arch/mips/cavium-octeon/smp.c
> +++ b/arch/mips/cavium-octeon/smp.c
> @@ -20,6 +20,7 @@
>   #include <asm/mmu_context.h>
>   #include <asm/time.h>
>   #include <asm/setup.h>
> +#include <asm/smp.h>
>   
>   #include <asm/octeon/octeon.h>
>   
> diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
> index bcd6a944b839..6d69a9ba8167 100644
> --- a/arch/mips/kernel/smp-cps.c
> +++ b/arch/mips/kernel/smp-cps.c
> @@ -20,6 +20,7 @@
>   #include <asm/mipsregs.h>
>   #include <asm/pm-cps.h>
>   #include <asm/r4kcache.h>
> +#include <asm/smp.h>
>   #include <asm/smp-cps.h>
>   #include <asm/time.h>
>   #include <asm/uasm.h>
> diff --git a/arch/mips/loongson64/smp.c b/arch/mips/loongson64/smp.c
> index c81c2bd07c62..df8d789ede3c 100644
> --- a/arch/mips/loongson64/smp.c
> +++ b/arch/mips/loongson64/smp.c
> @@ -14,6 +14,7 @@
>   #include <linux/cpufreq.h>
>   #include <linux/kexec.h>
>   #include <asm/processor.h>
> +#include <asm/smp.h>
>   #include <asm/time.h>
>   #include <asm/tlbflush.h>
>   #include <asm/cacheflush.h>

Reviewed-by: Philippe Mathieu-Daudé <philmd@...aro.org>

Thanks.