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-rw-r--r--arch/arm/Kconfig12
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 853aab5ab327..085c830d344b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -33,6 +33,7 @@ config ARM
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_CMPXCHG_LOCKREF
+ select ARCH_USE_MEMTEST
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_IPC_PARSE_VERSION
select ARCH_WANT_LD_ORPHAN_WARN
@@ -348,6 +349,7 @@ config ARCH_EP93XX
select ARM_AMBA
imply ARM_PATCH_PHYS_VIRT
select ARM_VIC
+ select GENERIC_IRQ_MULTI_HANDLER
select AUTO_ZRELADDR
select CLKDEV_LOOKUP
select CLKSRC_MMIO
@@ -1292,9 +1294,15 @@ config KASAN_SHADOW_OFFSET
config NR_CPUS
int "Maximum number of CPUs (2-32)"
- range 2 32
+ range 2 16 if DEBUG_KMAP_LOCAL
+ range 2 32 if !DEBUG_KMAP_LOCAL
depends on SMP
default "4"
+ help
+ The maximum number of CPUs that the kernel can support.
+ Up to 32 CPUs can be supported, or up to 16 if kmap_local()
+ debugging is enabled, which uses half of the per-CPU fixmap
+ slots as guard regions.
config HOTPLUG_CPU
bool "Support for hot-pluggable CPUs"
@@ -1320,7 +1328,7 @@ config ARM_PSCI
# selected platforms.
config ARCH_NR_GPIO
int
- default 2048 if ARCH_SOCFPGA
+ default 2048 if ARCH_INTEL_SOCFPGA
default 1024 if ARCH_BRCMSTB || ARCH_RENESAS || ARCH_TEGRA || \
ARCH_ZYNQ || ARCH_ASPEED
default 512 if ARCH_EXYNOS || ARCH_KEYSTONE || SOC_OMAP5 || \