diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 30 |
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index e089e622be79..ab1689c96a71 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -5,6 +5,7 @@ config ARM select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST select ARCH_HAVE_CUSTOM_GPIO_H + select ARCH_MIGHT_HAVE_PC_PARPORT select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_IPC_PARSE_VERSION select BUILDTIME_EXTABLE_SORT if MMU @@ -24,11 +25,12 @@ config ARM select HARDIRQS_SW_RESEND select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KGDB - select HAVE_ARCH_SECCOMP_FILTER + select HAVE_ARCH_SECCOMP_FILTER if (AEABI && !OABI_COMPAT) select HAVE_ARCH_TRACEHOOK select HAVE_BPF_JIT select HAVE_CONTEXT_TRACKING select HAVE_C_RECORDMCOUNT + select HAVE_CC_STACKPROTECTOR select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_API_DEBUG select HAVE_DMA_ATTRS @@ -709,7 +711,6 @@ config ARCH_S3C24XX select HAVE_S3C2410_WATCHDOG if WATCHDOG select HAVE_S3C_RTC if RTC_CLASS select MULTI_IRQ_HANDLER - select NEED_MACH_GPIO_H select NEED_MACH_IO_H select SAMSUNG_ATAGS help @@ -722,6 +723,7 @@ config ARCH_S3C64XX bool "Samsung S3C64XX" select ARCH_HAS_CPUFREQ select ARCH_REQUIRE_GPIOLIB + select ARM_AMBA select ARM_VIC select CLKDEV_LOOKUP select CLKSRC_SAMSUNG_PWM @@ -732,7 +734,6 @@ config ARCH_S3C64XX select HAVE_S3C2410_I2C if I2C select HAVE_S3C2410_WATCHDOG if WATCHDOG select HAVE_TCM - select NEED_MACH_GPIO_H select NO_IOPORT select PLAT_SAMSUNG select PM_GENERIC_DOMAINS @@ -1495,6 +1496,7 @@ config HAVE_ARM_ARCH_TIMER bool "Architected timer support" depends on CPU_V7 select ARM_ARCH_TIMER + select GENERIC_CLOCKEVENTS help This option enables support for the ARM architected timer @@ -1591,7 +1593,7 @@ config ARM_PSCI config ARCH_NR_GPIO int default 1024 if ARCH_SHMOBILE || ARCH_TEGRA - default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || SOC_DRA7XX + default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || SOC_DRA7XX || ARCH_S3C24XX || ARCH_S3C64XX default 392 if ARCH_U8500 default 352 if ARCH_VT8500 default 288 if ARCH_SUNXI @@ -1718,7 +1720,6 @@ config AEABI config OABI_COMPAT bool "Allow old ABI binaries to run with this kernel (EXPERIMENTAL)" depends on AEABI && !THUMB2_KERNEL - default y help This option preserves the old syscall interface along with the new (ARM EABI) one. It also provides a compatibility layer to @@ -1726,11 +1727,16 @@ config OABI_COMPAT in memory differs between the legacy ABI and the new ARM EABI (only for non "thumb" binaries). This option adds a tiny overhead to all syscalls and produces a slightly larger kernel. + + The seccomp filter system will not be available when this is + selected, since there is no way yet to sensibly distinguish + between calling conventions during filtering. + If you know you'll be using only pure EABI user space then you can say N here. If this option is not selected and you attempt to execute a legacy ABI binary then the result will be UNPREDICTABLE (in fact it can be predicted that it won't work - at all). If in doubt say Y. + at all). If in doubt say N. config ARCH_HAS_HOLES_MEMORYMODEL bool @@ -1850,18 +1856,6 @@ config SECCOMP and the task is only allowed to execute a few safe syscalls defined by each seccomp mode. -config CC_STACKPROTECTOR - bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" - help - This option turns on the -fstack-protector GCC feature. This - feature puts, at the beginning of functions, a canary value on - the stack just before the return address, and validates - the value just before actually returning. Stack based buffer - overflows (that need to overwrite this return address) now also - overwrite the canary, which gets detected and the attack is then - neutralized via a kernel panic. - This feature requires gcc version 4.2 or above. - config SWIOTLB def_bool y |