diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 9adc278a22a..f38e275bea3 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -10,7 +10,7 @@ config ARM select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB - select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) + select HAVE_KPROBES if !XIP_KERNEL select HAVE_KRETPROBES if (HAVE_KPROBES) select HAVE_FUNCTION_TRACER if (!XIP_KERNEL) select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL) @@ -1344,6 +1344,31 @@ config SMP_ON_UP If you don't know what to do here, say Y. +config ARM_CPU_TOPOLOGY + bool "Support cpu topology definition" + depends on SMP && CPU_V7 + default y + help + Support ARM cpu topology definition. The MPIDR register defines + affinity between processors which is then used to describe the cpu + topology of an ARM System. + +config SCHED_MC + bool "Multi-core scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. If unsure say N here. + +config SCHED_SMT + bool "SMT scheduler support" + depends on ARM_CPU_TOPOLOGY + help + Improves the CPU scheduler's decision making when dealing with + MultiThreading at a cost of slightly increased overhead in some + places. If unsure say N here. + config HAVE_ARM_SCU bool depends on SMP @@ -1727,6 +1752,25 @@ config ZBOOT_ROM_MMCIF which in turn loads the rest the kernel image to RAM using the MMCIF hardware block. +config ARM_APPENDED_DTB + bool "Use appended device tree blob to zImage" + depends on OF && !ZBOOT_ROM + help + With this option, the boot code will look for a device tree binary + (dtb) appended to zImage + (e.g. cat zImage <filename>.dtb > zImage_w_dtb). + +config ARM_ATAG_DTB_COMPAT + bool "Supplement the appended DTB with traditional ATAG information" + depends on ARM_APPENDED_DTB + help + Some old bootloaders can't be updated to a DTB capable one, yet + they provide ATAGs with memory configuration, the ramdisk address, + the kernel cmdline string, etc. To allow a device tree enabled + kernel to be used with such bootloaders, this option allows + zImage to extract the information from the ATAG list and store it + at run time into the appended DTB. + config CMDLINE string "Default kernel command string" default "" |