Messages in this thread |  | | | Date | Tue, 24 Jul 2012 06:43:49 -0400 | | From | Cyril Chemparathy <> | | Subject | Re: [RFC 01/23] ARM: LPAE: disable phys-to-virt patching on PAE systems |
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Hi Catalin,
On 7/24/2012 5:41 AM, Catalin Marinas wrote: > On Tue, Jul 24, 2012 at 02:09:03AM +0100, Cyril Chemparathy wrote: >> From: Vitaly Andrianov <vitalya@ti.com> >> >> The current phys-to-virt patching mechanism is broken on PAE machines with >> 64-bit physical addressing. This patch disables the patching mechanism in >> such configurations. > > It may be broken, I don't remember whether I tested this feature. What's > the PHYS_OFFSET on your platform? Is it within the low 4GB range? >
At boot time PHYS_OFFSET is 0x80000000, in the low 4G range. Subsequently we switch over to the high PHYS_OFFSET at 0x800000000 (see patch 23/23 of this series). -- Thanks - Cyril
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