Linux-libre 4.2-gnu

1 files changed, 84 insertions, 30 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 45df48ba0..1c5021002 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -15,6 +15,8 @@ config ARM
 	select CLONE_BACKWARDS
 	select CPU_PM if (SUSPEND || CPU_IDLE)
 	select DCACHE_WORD_ACCESS if HAVE_EFFICIENT_UNALIGNED_ACCESS
+	select EDAC_SUPPORT
+	select EDAC_ATOMIC_SCRUB
 	select GENERIC_ALLOCATOR
 	select GENERIC_ATOMIC64 if (CPU_V7M || CPU_V6 || !CPU_32v6K || !AEABI)
 	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
@@ -31,8 +33,8 @@ config ARM
 	select HARDIRQS_SW_RESEND
 	select HAVE_ARCH_AUDITSYSCALL if (AEABI && !OABI_COMPAT)
 	select HAVE_ARCH_BITREVERSE if (CPU_32v7M || CPU_32v7) && !CPU_32v6
-	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL
-	select HAVE_ARCH_KGDB
+	select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL && !CPU_ENDIAN_BE32
+	select HAVE_ARCH_KGDB if !CPU_ENDIAN_BE32
 	select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT)
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_BPF_JIT
@@ -43,7 +45,7 @@ config ARM
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_ATTRS
 	select HAVE_DMA_CONTIGUOUS if MMU
-	select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL)
+	select HAVE_DYNAMIC_FTRACE if (!XIP_KERNEL) && !CPU_ENDIAN_BE32
 	select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU
 	select HAVE_FTRACE_MCOUNT_RECORD if (!XIP_KERNEL)
 	select HAVE_FUNCTION_GRAPH_TRACER if (!THUMB2_KERNEL)
@@ -57,10 +59,10 @@ config ARM
 	select HAVE_KERNEL_LZMA
 	select HAVE_KERNEL_LZO
 	select HAVE_KERNEL_XZ
-	select HAVE_KPROBES if !XIP_KERNEL
+	select HAVE_KPROBES if !XIP_KERNEL && !CPU_ENDIAN_BE32 && !CPU_V7M
 	select HAVE_KRETPROBES if (HAVE_KPROBES)
 	select HAVE_MEMBLOCK
-	select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
+	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
 	select HAVE_OPTPROBES if !THUMB2_KERNEL
 	select HAVE_PERF_EVENTS
@@ -171,7 +173,7 @@ config LOCKDEP_SUPPORT
 
 config TRACE_IRQFLAGS_SUPPORT
 	bool
-	default y
+	default !CPU_V7M
 
 config RWSEM_XCHGADD_ALGORITHM
 	bool
@@ -329,6 +331,20 @@ config ARCH_MULTIPLATFORM
 	select SPARSE_IRQ
 	select USE_OF
 
+config ARM_SINGLE_ARMV7M
+	bool "ARMv7-M based platforms (Cortex-M0/M3/M4)"
+	depends on !MMU
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	select ARM_NVIC
+	select AUTO_ZRELADDR
+	select CLKSRC_OF
+	select COMMON_CLK
+	select CPU_V7M
+	select GENERIC_CLOCKEVENTS
+	select NO_IOPORT_MAP
+	select SPARSE_IRQ
+	select USE_OF
+
 config ARCH_REALVIEW
 	bool "ARM Ltd. RealView family"
 	select ARCH_WANT_OPTIONAL_GPIOLIB
@@ -398,24 +414,6 @@ config ARCH_EBSA110
 	  Ethernet interface, two PCMCIA sockets, two serial ports and a
 	  parallel port.
 
-config ARCH_EFM32
-	bool "Energy Micro efm32"
-	depends on !MMU
-	select ARCH_REQUIRE_GPIOLIB
-	select ARM_NVIC
-	select AUTO_ZRELADDR
-	select CLKSRC_OF
-	select COMMON_CLK
-	select CPU_V7M
-	select GENERIC_CLOCKEVENTS
-	select NO_DMA
-	select NO_IOPORT_MAP
-	select SPARSE_IRQ
-	select USE_OF
-	help
-	  Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko
-	  processors.
-
 config ARCH_EP93XX
 	bool "EP93xx-based"
 	select ARCH_HAS_HOLES_MEMORYMODEL
@@ -606,6 +604,7 @@ config ARCH_PXA
 	select ARCH_REQUIRE_GPIOLIB
 	select ARM_CPU_SUSPEND if PM
 	select AUTO_ZRELADDR
+	select COMMON_CLK
 	select CLKDEV_LOOKUP
 	select CLKSRC_MMIO
 	select CLKSRC_OF
@@ -752,8 +751,10 @@ config ARCH_OMAP1
 	select GENERIC_IRQ_CHIP
 	select HAVE_IDE
 	select IRQ_DOMAIN
+	select MULTI_IRQ_HANDLER
 	select NEED_MACH_IO_H if PCCARD
 	select NEED_MACH_MEMORY_H
+	select SPARSE_IRQ
 	help
 	  Support for older TI OMAP1 (omap7xx, omap15xx or omap16xx)
 
@@ -937,6 +938,8 @@ source "arch/arm/mach-tegra/Kconfig"
 
 source "arch/arm/mach-u300/Kconfig"
 
+source "arch/arm/mach-uniphier/Kconfig"
+
 source "arch/arm/mach-ux500/Kconfig"
 
 source "arch/arm/mach-versatile/Kconfig"
@@ -948,8 +951,40 @@ source "arch/arm/mach-vt8500/Kconfig"
 
 source "arch/arm/mach-w90x900/Kconfig"
 
+source "arch/arm/mach-zx/Kconfig"
+
 source "arch/arm/mach-zynq/Kconfig"
 
+# ARMv7-M architecture
+config ARCH_EFM32
+	bool "Energy Micro efm32"
+	depends on ARM_SINGLE_ARMV7M
+	select ARCH_REQUIRE_GPIOLIB
+	help
+	  Support for Energy Micro's (now Silicon Labs) efm32 Giant Gecko
+	  processors.
+
+config ARCH_LPC18XX
+	bool "NXP LPC18xx/LPC43xx"
+	depends on ARM_SINGLE_ARMV7M
+	select ARCH_HAS_RESET_CONTROLLER
+	select ARM_AMBA
+	select CLKSRC_LPC32XX
+	select PINCTRL
+	help
+	  Support for NXP's LPC18xx Cortex-M3 and LPC43xx Cortex-M4
+	  high performance microcontrollers.
+
+config ARCH_STM32
+	bool "STMicrolectronics STM32"
+	depends on ARM_SINGLE_ARMV7M
+	select ARCH_HAS_RESET_CONTROLLER
+	select ARMV7M_SYSTICK
+	select CLKSRC_STM32
+	select RESET_CONTROLLER
+	help
+	  Support for STMicroelectronics STM32 processors.
+
 # Definitions to make life easier
 config ARCH_ACORN
 	bool
@@ -975,11 +1010,6 @@ config PLAT_PXA
 config PLAT_VERSATILE
 	bool
 
-config ARM_TIMER_SP804
-	bool
-	select CLKSRC_MMIO
-	select CLKSRC_OF if OF
-
 source "arch/arm/firmware/Kconfig"
 
 source arch/arm/mm/Kconfig
@@ -1307,6 +1337,7 @@ config SMP
 	depends on GENERIC_CLOCKEVENTS
 	depends on HAVE_SMP
 	depends on MMU || ARM_MPU
+	select IRQ_WORK
 	help
 	  This enables support for systems with more than one CPU. If you have
 	  a system with only one CPU, say N. If you have a system with more
@@ -1477,7 +1508,8 @@ config ARM_PSCI
 # selected platforms.
 config ARCH_NR_GPIO
 	int
-	default 1024 if ARCH_SHMOBILE || ARCH_TEGRA || ARCH_ZYNQ
+	default 1024 if ARCH_BRCMSTB || ARCH_SHMOBILE || ARCH_TEGRA || \
+		ARCH_ZYNQ
 	default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \
 		SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5PV210
 	default 416 if ARCH_SUNXI
@@ -1661,6 +1693,12 @@ config HIGHMEM
 config HIGHPTE
 	bool "Allocate 2nd-level pagetables from highmem"
 	depends on HIGHMEM
+	help
+	  The VM uses one page of physical memory for each page table.
+	  For systems with a lot of processes, this can use a lot of
+	  precious low memory, eventually leading to low memory being
+	  consumed by page tables.  Setting this option will allow
+	  user-space 2nd level page tables to reside in high memory.
 
 config HW_PERF_EVENTS
 	bool "Enable hardware performance counter support for perf events"
@@ -1681,6 +1719,21 @@ config HAVE_ARCH_TRANSPARENT_HUGEPAGE
 config ARCH_WANT_GENERAL_HUGETLB
 	def_bool y
 
+config ARM_MODULE_PLTS
+	bool "Use PLTs to allow module memory to spill over into vmalloc area"
+	depends on MODULES
+	help
+	  Allocate PLTs when loading modules so that jumps and calls whose
+	  targets are too far away for their relative offsets to be encoded
+	  in the instructions themselves can be bounced via veneers in the
+	  module's PLT. This allows modules to be allocated in the generic
+	  vmalloc area after the dedicated module memory area has been
+	  exhausted. The modules will use slightly more memory, but after
+	  rounding up to page size, the actual memory footprint is usually
+	  the same.
+
+	  Say y if you are getting out of memory errors while loading modules
+
 source "mm/Kconfig"
 
 config FORCE_MAX_ZONEORDER
@@ -1951,6 +2004,7 @@ config XIP_PHYS_ADDR
 config KEXEC
 	bool "Kexec system call (EXPERIMENTAL)"
 	depends on (!SMP || PM_SLEEP_SMP)
+	depends on !CPU_V7M
 	help
 	  kexec is a system call that implements the ability to shutdown your
 	  current kernel, and to start another kernel.  It is like a reboot