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Commit c1becedc authored by Russell King's avatar Russell King
Browse files

ARM: enable ARM_PATCH_PHYS_VIRT by default 



Enable virtual to physical translation patching by default in all
kernels.  Hide the option behind EMBEDDED.

This can still be turned off if people desire, and they know what
they're doing, to shrink the size of the kernel to a minimum.

Acked-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 4eb979d4

arch/arm/Kconfig

+6 −2
Original line number Diff line number Diff line
@@ -195,7 +195,8 @@ config VECTORS_BASE 
	  The base address of exception vectors.



config ARM_PATCH_PHYS_VIRT

	bool "Patch physical to virtual translations at runtime"

	bool "Patch physical to virtual translations at runtime" if EMBEDDED

	default y

	depends on !XIP_KERNEL && MMU

	depends on !ARCH_REALVIEW || !SPARSEMEM

	help
@@ -207,6 +208,10 @@ config ARM_PATCH_PHYS_VIRT 
	  of physical memory is at a 16MB boundary, or theoretically 64K

	  for the MSM machine class.



	  Only disable this option if you know that you do not require

	  this feature (eg, building a kernel for a single machine) and

	  you need to shrink the kernel to the minimal size.



config ARM_PATCH_PHYS_VIRT_16BIT

	def_bool y

	depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
@@ -301,7 +306,6 @@ config ARCH_AT91 
	select ARCH_REQUIRE_GPIOLIB

	select HAVE_CLK

	select CLKDEV_LOOKUP

	select ARM_PATCH_PHYS_VIRT if MMU

	help

	  This enables support for systems based on the Atmel AT91RM9200,

	  AT91SAM9 and AT91CAP9 processors.