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Commit 111e9a5c authored by Russell King's avatar Russell King
Browse files

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



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

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e8db89a2

arch/arm/Kconfig

+10 −4
Original line number Diff line number Diff line
@@ -197,15 +197,21 @@ config ARM_PATCH_PHYS_VIRT 
	depends on !XIP_KERNEL && MMU

	depends on !ARCH_REALVIEW || !SPARSEMEM

	help

	  Patch phys-to-virt translation functions at runtime according to

	  the position of the kernel in system memory.

	  Patch phys-to-virt and virt-to-phys translation functions at

	  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

	  the base of physical memory is at a 16MB boundary.

	  This can only be used with non-XIP MMU kernels where the base

	  of physical memory is at a 16MB boundary, or theoretically 64K

	  for the MSM machine class.



config ARM_PATCH_PHYS_VIRT_16BIT

	def_bool y

	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"