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ARM: phys-to-virt: improve Kconfig help texts 

Improve the Kconfig help texts for the phys-to-virt patching feature.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-05-12 10:02:42 +01:00
parent e8db89a242
commit 111e9a5ce6
1 changed files with 10 additions and 4 deletions
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14
arch/arm/Kconfig
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@ -197,15 +197,21 @@ config ARM_PATCH_PHYS_VIRT
depends on !XIP_KERNEL && MMU depends on !XIP_KERNEL && MMU
depends on !ARCH_REALVIEW || !SPARSEMEM depends on !ARCH_REALVIEW || !SPARSEMEM
help help
Patch phys-to-virt translation functions at runtime according to Patch phys-to-virt and virt-to-phys translation functions at
the position of the kernel in system memory. boot and module load time according to the position of the
kernel in system memory.
This can only be used with non-XIP with MMU kernels where This can only be used with non-XIP MMU kernels where the base
the base of physical memory is at a 16MB boundary. of physical memory is at a 16MB boundary, or theoretically 64K
for the MSM machine class.
config ARM_PATCH_PHYS_VIRT_16BIT config ARM_PATCH_PHYS_VIRT_16BIT
def_bool y def_bool y
depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
help
This option extends the physical to virtual translation patching
to allow physical memory down to a theoretical minimum of 64K
boundaries.
source "init/Kconfig" source "init/Kconfig"