Re: [PATCH 1/3] SPEAr13xx_defconfig: Enable Memory split 2G/2Gneeded

From: Nicolas Pitre
Date: Fri Feb 08 2013 - 12:49:29 EST

On Fri, 8 Feb 2013, Viresh Kumar wrote:

> Hi Vijay,
> By mistake you have added an ST internal list in cc, fixed it now.
> Subject should be:
> ARM: SPEAr13xx: Enable 2G/2G Memory split in defconfig
> On 8 February 2013 16:16, Vijay Kumar Mishra <vijay.kumar@xxxxxx> wrote:
> > Memory split 2G/2G is enabled as needed for SPEAr1310 RevC board to boot.
> > Before enabling this option the boot was hanging at uncompressing linux.

I disagree. The subject could have been "put our head in the sand and
paper over bugs".

Please don't do that. There is no reason for any machine not to boot
way past "Uncompressing Linux" with the default split. The likely
reason it works with the 2G:2G split is because in that case the virtual
and physical RAM addresses in the kernel are the same, and therefore
missing p2v or v2p conversions are invisible.

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