Benjamin Herrenschmidt [b...@kernel.crashing.org] wrote:
| And an additional comment regarding the rtas bit:
| > +int devmem_is_allowed(unsigned long pfn)
| > +{
| > + if (iomem_is_exclusive(pfn << PAGE_SHIFT))
| > + return 0;
| > + if (!page_is_ram(pfn))
| > + return 1;
| >
And an additional comment regarding the rtas bit:
> #ifdef CONFIG_PPC_SMLPAR
> void arch_free_page(struct page *page, int order);
> diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
> index d5ca823..07cf2cf 100644
> --- a/arch/powerpc/kernel/rtas.c
> +++ b/arch/powerpc/kernel/
On Thu, 2011-12-01 at 16:11 -0800, Sukadev Bhattiprolu wrote:
> >From aebed2e9fb9fba7dd0a34595780b828d7a545ba2 Mon Sep 17 00:00:00 2001
> From: Sukadev Bhattiprolu
> Date: Mon, 29 Aug 2011 14:12:08 -0700
> Subject: [PATCH 1/1][v2] Enable CONFIG_STRICT_DEVMEM support for Powerpc.
>
> As described
>From aebed2e9fb9fba7dd0a34595780b828d7a545ba2 Mon Sep 17 00:00:00 2001
From: Sukadev Bhattiprolu
Date: Mon, 29 Aug 2011 14:12:08 -0700
Subject: [PATCH 1/1][v2] Enable CONFIG_STRICT_DEVMEM support for Powerpc.
As described in the help text in the patch, this token restricts general
access to /dev
