diff options
Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index b169e580bf82..0ab3a86b1f52 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -106,7 +106,7 @@ config CPU_ARM922T help The ARM922T is a version of the ARM920T, but with smaller instruction and data caches. It is used in Altera's - Excalibur XA device family and Micrel's KS8695 Centaur. + Excalibur XA device family and the ARM Integrator. Say Y if you want support for the ARM922T processor. Otherwise, say N. @@ -663,6 +663,7 @@ config ARM_LPAE depends on MMU && CPU_32v7 && !CPU_32v6 && !CPU_32v5 && \ !CPU_32v4 && !CPU_32v3 select PHYS_ADDR_T_64BIT + select SWIOTLB help Say Y if you have an ARMv7 processor supporting the LPAE page table format and you would like to access memory beyond the @@ -709,7 +710,7 @@ config ARM_VIRT_EXT assistance. A compliant bootloader is required in order to make maximum - use of this feature. Refer to Documentation/arm/Booting for + use of this feature. Refer to Documentation/arm/booting.rst for details. config SWP_EMULATE @@ -780,6 +781,14 @@ config CPU_ICACHE_DISABLE Say Y here to disable the processor instruction cache. Unless you have a reason not to or are unsure, say N. +config CPU_ICACHE_MISMATCH_WORKAROUND + bool "Workaround for I-Cache line size mismatch between CPU cores" + depends on SMP && CPU_V7 + help + Some big.LITTLE systems have I-Cache line size mismatch between + LITTLE and big cores. Say Y here to enable a workaround for + proper I-Cache support on such systems. If unsure, say N. + config CPU_DCACHE_DISABLE bool "Disable D-Cache (C-bit)" depends on (CPU_CP15 && !SMP) || CPU_V7M @@ -867,7 +876,7 @@ config KUSER_HELPERS the CPU type fitted to the system. This permits binaries to be run on ARMv4 through to ARMv7 without modification. - See Documentation/arm/kernel_user_helpers.txt for details. + See Documentation/arm/kernel_user_helpers.rst for details. However, the fixed address nature of these helpers can be used by ROP (return orientated programming) authors when creating |