linux-kernel - Re: 2.6.36: kernel panic in cascade (Fatal exception in interrupt)

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Message-ID: <AANLkTimM3o19L7WNRYRrBPuwMMK9187_U8nUmZ2e4=qd@mail.gmail.com>
Date:	Mon, 15 Nov 2010 10:03:14 +0530
From:	Ganesh Reddy K <ganeshreddyk@...il.com>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.36: kernel panic in cascade (Fatal exception in interrupt)

Hi,

I want to disable 'Large  physical address support' in 2.6.34 Linux
kernel LTIB.     i.e 64 Bit memory addressing and Page tables.

Along with this ,am i need to any other changes to have the kernel
without 64 Bit address completely and page table entries.



===========================================
arch/powerpc/platforms/Kconfig.cputype

config PHYS_64BIT
        bool 'Large physical address support' if E500 || PPC_86xx
        depends on (44x || E500 || PPC_86xx) && !PPC_83xx && !PPC_82xx
        ---help---
          This option enables kernel support for larger than 32-bit physical
          addresses.  This feature may not be available on all cores.

          If you have more than 3.5GB of RAM or so, you also need to enable
          SWIOTLB under Kernel Options for this to work.  The actual number
          is platform-dependent.

          If in doubt, say N here.
===========================================

Thanks in advance,
Ganesh
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