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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
Date: Tue, 30 May 2017 11:33:32 +1000	[thread overview]
Message-ID: <20170530113332.763d10ac@firefly.ozlabs.ibm.com> (raw)
In-Reply-To: <83aadb3163da87ec017ca4a61afcc29520a27eff.1496070452.git.christophe.leroy@c-s.fr>

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

  reply	other threads:[~2017-05-30  1:33 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-29 15:31 [PATCH 0/7] powerpc/mm: Fix kernel protection and implement STRICT_KERNEL_RWX on PPC32 Christophe Leroy
2017-05-29 15:31 ` [PATCH 1/7] powerpc/mm: rename map_page() to map_kernel_page() " Christophe Leroy
2017-05-30  1:33   ` Balbir Singh [this message]
2017-05-30 10:50   ` Michael Ellerman
2017-05-30 12:46     ` Christophe LEROY
2017-06-08  4:07   ` [1/7] " Michael Ellerman
2017-05-29 15:31 ` [PATCH 2/7] powerpc/mm: Ensure change_page_attr() doesn't invalidate pinned TLBs Christophe Leroy
2017-05-29 15:32 ` [PATCH 3/7] powerpc/mm: Fix kernel RAM protection after freeing unused memory on PPC32 Christophe Leroy
2017-05-30  1:51   ` Balbir Singh
2017-05-29 15:32 ` [PATCH 4/7] powerpc/mm: Implement STRICT_KERNEL_RWX " Christophe Leroy
2017-05-29 15:32 ` [PATCH 5/7] powerpc/mm: declare some local functions static Christophe Leroy
2017-05-29 15:32 ` [PATCH 6/7] powerpc/mm: remove __this_fixmap_does_not_exist() Christophe Leroy
2017-06-05 10:21   ` [6/7] " Michael Ellerman
2017-05-29 15:32 ` [PATCH 7/7] powerpc/mm: Simplify __set_fixmap() Christophe Leroy

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