diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 49652ef9eff4..c0d14b192b27 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -60,6 +60,7 @@ config ARM select GENERIC_CPU_AUTOPROBE select GENERIC_EARLY_IOREMAP select GENERIC_IDLE_POLL_SETUP + select GENERIC_IRQ_MULTI_HANDLER select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW select GENERIC_IRQ_SHOW_LEVEL @@ -94,8 +95,8 @@ config ARM select HAVE_EXIT_THREAD select HAVE_FAST_GUP if ARM_LPAE select HAVE_FTRACE_MCOUNT_RECORD if !XIP_KERNEL - select HAVE_FUNCTION_GRAPH_TRACER if !THUMB2_KERNEL && !CC_IS_CLANG - select HAVE_FUNCTION_TRACER if !XIP_KERNEL && !(THUMB2_KERNEL && CC_IS_CLANG) + select HAVE_FUNCTION_GRAPH_TRACER + select HAVE_FUNCTION_TRACER if !XIP_KERNEL select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7) select HAVE_IRQ_TIME_ACCOUNTING @@ -129,7 +130,8 @@ config ARM select PERF_USE_VMALLOC select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select THREAD_INFO_IN_TASK if CURRENT_POINTER_IN_TPIDRURO + select THREAD_INFO_IN_TASK + select HAVE_ARCH_VMAP_STACK if MMU && ARM_HAS_GROUP_RELOCS select TRACE_IRQFLAGS_SUPPORT if !CPU_V7M # Above selects are sorted alphabetically; please add new ones # according to that. Thanks. @@ -141,6 +143,17 @@ config ARM Europe. There is an ARM Linux project with a web page at <http://www.arm.linux.org.uk/>. +config ARM_HAS_GROUP_RELOCS + def_bool y + depends on !LD_IS_LLD || LLD_VERSION >= 140000 + depends on !COMPILE_TEST + help + Whether or not to use R_ARM_ALU_PC_Gn or R_ARM_LDR_PC_Gn group + relocations, which have been around for a long time, but were not + supported in LLD until version 14. The combined range is -/+ 256 MiB, + which is usually sufficient, but not for allyesconfig, so we disable + this feature when doing compile testing. + config ARM_HAS_SG_CHAIN bool @@ -229,9 +242,6 @@ config GENERIC_ISA_DMA config FIQ bool -config NEED_RET_TO_USER - bool - config ARCH_MTD_XIP bool @@ -325,7 +335,6 @@ config ARCH_MULTIPLATFORM select AUTO_ZRELADDR select TIMER_OF select COMMON_CLK - select GENERIC_IRQ_MULTI_HANDLER select HAVE_PCI select PCI_DOMAINS_GENERIC if PCI select SPARSE_IRQ @@ -349,7 +358,6 @@ config ARCH_EP93XX select ARM_AMBA imply ARM_PATCH_PHYS_VIRT select ARM_VIC - select GENERIC_IRQ_MULTI_HANDLER select AUTO_ZRELADDR select CLKSRC_MMIO select CPU_ARM920T @@ -374,7 +382,6 @@ config ARCH_IOP32X select CPU_XSCALE select GPIO_IOP select GPIOLIB - select NEED_RET_TO_USER select FORCE_PCI select PLAT_IOP help @@ -388,7 +395,6 @@ config ARCH_IXP4XX select ARCH_SUPPORTS_BIG_ENDIAN select CPU_XSCALE select DMABOUNCE if PCI - select GENERIC_IRQ_MULTI_HANDLER select GPIO_IXP4XX select GPIOLIB select HAVE_PCI @@ -404,7 +410,6 @@ config ARCH_IXP4XX config ARCH_DOVE bool "Marvell Dove" select CPU_PJ4 - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select HAVE_PCI select MVEBU_MBUS @@ -427,7 +432,6 @@ config ARCH_PXA select CLKSRC_MMIO select TIMER_OF select CPU_XSCALE if !CPU_XSC3 - select GENERIC_IRQ_MULTI_HANDLER select GPIO_PXA select GPIOLIB select IRQ_DOMAIN @@ -466,7 +470,6 @@ config ARCH_SA1100 select COMMON_CLK select CPU_FREQ select CPU_SA1100 - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select IRQ_DOMAIN select ISA @@ -481,7 +484,6 @@ config ARCH_S3C24XX select CLKSRC_SAMSUNG_PWM select GPIO_SAMSUNG select GPIOLIB - select GENERIC_IRQ_MULTI_HANDLER select NEED_MACH_IO_H select S3C2410_WATCHDOG select SAMSUNG_ATAGS @@ -499,7 +501,6 @@ config ARCH_OMAP1 select ARCH_OMAP select CLKSRC_MMIO select GENERIC_IRQ_CHIP - select GENERIC_IRQ_MULTI_HANDLER select GPIOLIB select HAVE_LEGACY_CLK select IRQ_DOMAIN @@ -1166,7 +1167,12 @@ config SMP_ON_UP config CURRENT_POINTER_IN_TPIDRURO def_bool y - depends on SMP && CPU_32v6K && !CPU_V6 + depends on CPU_32v6K && !CPU_V6 + +config IRQSTACKS + def_bool y + select HAVE_IRQ_EXIT_ON_IRQ_STACK + select HAVE_SOFTIRQ_ON_OWN_STACK config ARM_CPU_TOPOLOGY bool "Support cpu topology definition" @@ -1607,10 +1613,14 @@ config XEN help Say Y if you want to run Linux in a Virtual Machine on Xen on ARM. +config CC_HAVE_STACKPROTECTOR_TLS + def_bool $(cc-option,-mtp=cp15 -mstack-protector-guard=tls -mstack-protector-guard-offset=0) + config STACKPROTECTOR_PER_TASK bool "Use a unique stack canary value for each task" - depends on GCC_PLUGINS && STACKPROTECTOR && THREAD_INFO_IN_TASK && !XIP_DEFLATED_DATA - select GCC_PLUGIN_ARM_SSP_PER_TASK + depends on STACKPROTECTOR && CURRENT_POINTER_IN_TPIDRURO && !XIP_DEFLATED_DATA + depends on GCC_PLUGINS || CC_HAVE_STACKPROTECTOR_TLS + select GCC_PLUGIN_ARM_SSP_PER_TASK if !CC_HAVE_STACKPROTECTOR_TLS default y help Due to the fact that GCC uses an ordinary symbol reference from |