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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Yanteng Si <siyanteng@loongson.cn>
Cc: Huacai Chen <chenhuacai@kernel.org>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	linux-mips@vger.kernel.org, siyanteng01@gmail.com
Subject: Re: [PATCH 2/2] MIPS: mm: Add prototype for function __uncached_access
Date: Fri, 22 Jan 2021 11:51:01 +0100	[thread overview]
Message-ID: <20210122105101.GD8146@alpha.franken.de> (raw)
In-Reply-To: <20210121013435.450471-2-siyanteng@loongson.cn>

On Thu, Jan 21, 2021 at 09:34:35AM +0800, Yanteng Si wrote:
> This commit adds a prototype to fix error at W=1:
> 
> arch/mips/mm/cache.c:211:12: error: no previous prototype
> for '__uncached_access' [-Werror=missing-prototypes]
> 
> Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
> ---
>  arch/mips/include/asm/pgtable.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h
> index 804889b70965..76d36484a0ad 100644
> --- a/arch/mips/include/asm/pgtable.h
> +++ b/arch/mips/include/asm/pgtable.h
> @@ -65,6 +65,7 @@ struct vm_area_struct;
>  
>  extern unsigned long _page_cachable_default;
>  extern void __update_cache(unsigned long address, pte_t pte);
> +extern int __weak __uncached_access(struct file *file, unsigned long addr);

I'm in favour of removing __uncached_access(). Is there a real good reason
for the special loongson2ef treatment ?

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

  reply	other threads:[~2021-01-22 12:04 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-21  1:34 [PATCH 1/2] MIPS: mm: Add prototype for function __update_cache Yanteng Si
2021-01-21  1:34 ` [PATCH 2/2] MIPS: mm: Add prototype for function __uncached_access Yanteng Si
2021-01-22 10:51   ` Thomas Bogendoerfer [this message]
2021-01-22 11:04     ` Jiaxun Yang
2021-01-22 10:50 ` [PATCH 1/2] MIPS: mm: Add prototype for function __update_cache Thomas Bogendoerfer

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