Hi Ming,
On 13/11/13 11:15, Ming Lei wrote:
> From: Jonathan Austin <jonathan.austin@xxxxxxx>
>
> Set CONFIG_PAGE_OFFSET as PHYS_OFFSET when !MMU so that
> we can keep CONFIG_PAGE_OFFSET same with PAGE_OFFSET.
>
I'm not so sure about this commit message - I don't think
it makes sense...Should it not be more like:
------->8-------
Subject: ARM: set PAGE_OFFSET = PHYS_OFFSET if !MMU
With !MMU we still set PAGE_OFFSET to 0xC0000000, which
makes little sense and causes a regression on !MMU after
f6537f2f0eba4eba ("scripts/kallsyms: filter symbols not
kernel address space")
This patch sets PAGE_OFFSET to PHYS_OFFSET in the !MMU
case, fixing the regression (Tested on Cortex-R7/Vexpress)
--------8<---------
Russell: Will you pick this patch up from the list or does
it need to go in through the patch system?
Jonny
> This patch and patch 2/2 fix regression on !MMU by
> f6537f2f0eba4eba("scripts/kallsyms: filter symbols not
> in kernel address space")
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Jonathan Austin <jonathan.austin@xxxxxxx>
> Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
> ---
> arch/arm/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 799ef94..db708c4 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1560,6 +1560,7 @@ endchoice
>
> config PAGE_OFFSET
> hex
> + default PHYS_OFFSET if !MMU
> default 0x40000000 if VMSPLIT_1G
> default 0x80000000 if VMSPLIT_2G
> default 0xC0000000
>
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