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Date: Tue, 30 May 2017 11:33:32 +1000
From: Balbir Singh <bsingharora@gmail.com>
To: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras
 <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, Scott Wood
 <oss@buserror.net>, linux-kernel@vger.kernel.org,
 linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH 1/7] powerpc/mm: rename map_page() to map_kernel_page()
 on PPC32
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In-Reply-To: <83aadb3163da87ec017ca4a61afcc29520a27eff.1496070452.git.christophe.leroy@c-s.fr>
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 <83aadb3163da87ec017ca4a61afcc29520a27eff.1496070452.git.christophe.leroy@c-s.fr>
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On Mon, 29 May 2017 17:31:56 +0200 (CEST)
Christophe Leroy <christophe.leroy@c-s.fr> wrote:

> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
> ---
...

> diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
> index de5a90e1ceaa..8e9bef964dbf 100644
> --- a/arch/powerpc/mm/mem.c
> +++ b/arch/powerpc/mm/mem.c
> @@ -305,11 +305,11 @@ void __init paging_init(void)
>  	unsigned long end = __fix_to_virt(FIX_HOLE);
>  
>  	for (; v < end; v += PAGE_SIZE)
> -		map_page(v, 0, 0); /* XXX gross */
> +		map_kernel_page(v, 0, 0); /* XXX gross */

What is 0, 0? Everything maps to physical address 0 with 0 permissions?


Thanks for doing this

Acked-by: Balbir Singh <bsingharora@gmail.com>

Balbir