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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-12-15 14:52:16 -0300
commit8d91c1e411f55d7ea91b1183a2e9f8088fb4d5be (patch)
treee9891aa6c295060d065adffd610c4f49ecf884f3 /arch/arm/Kconfig
parenta71852147516bc1cb5b0b3cbd13639bfd4022dc8 (diff)
Linux-libre 4.3.2-gnu
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig38
1 files changed, 27 insertions, 11 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ede2526ec..639411f73 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -188,6 +188,9 @@ config ARCH_HAS_ILOG2_U64
config ARCH_HAS_BANDGAP
bool
+config FIX_EARLYCON_MEM
+ def_bool y if MMU
+
config GENERIC_HWEIGHT
bool
default y
@@ -268,7 +271,6 @@ config PHYS_OFFSET
depends on !ARM_PATCH_PHYS_VIRT
default DRAM_BASE if !MMU
default 0x00000000 if ARCH_EBSA110 || \
- EP93XX_SDCE3_SYNC_PHYS_OFFSET || \
ARCH_FOOTBRIDGE || \
ARCH_INTEGRATOR || \
ARCH_IOP13XX || \
@@ -277,10 +279,7 @@ config PHYS_OFFSET
default 0x10000000 if ARCH_OMAP1 || ARCH_RPC
default 0x20000000 if ARCH_S5PV210
default 0x70000000 if REALVIEW_HIGH_PHYS_OFFSET
- default 0xc0000000 if EP93XX_SDCE0_PHYS_OFFSET || ARCH_SA1100
- default 0xd0000000 if EP93XX_SDCE1_PHYS_OFFSET
- default 0xe0000000 if EP93XX_SDCE2_PHYS_OFFSET
- default 0xf0000000 if EP93XX_SDCE3_ASYNC_PHYS_OFFSET
+ default 0xc0000000 if ARCH_SA1100
help
Please provide the physical address corresponding to the
location of main memory in your system.
@@ -418,11 +417,14 @@ config ARCH_EP93XX
bool "EP93xx-based"
select ARCH_HAS_HOLES_MEMORYMODEL
select ARCH_REQUIRE_GPIOLIB
- select ARCH_USES_GETTIMEOFFSET
select ARM_AMBA
+ select ARM_PATCH_PHYS_VIRT
select ARM_VIC
+ select AUTO_ZRELADDR
select CLKDEV_LOOKUP
+ select CLKSRC_MMIO
select CPU_ARM920T
+ select GENERIC_CLOCKEVENTS
help
This enables support for the Cirrus EP93xx series of CPUs.
@@ -643,6 +645,7 @@ config ARCH_SHMOBILE_LEGACY
config ARCH_RPC
bool "RiscPC"
+ depends on MMU
select ARCH_ACORN
select ARCH_MAY_HAVE_PC_FDC
select ARCH_SPARSEMEM_ENABLE
@@ -1497,6 +1500,7 @@ config HOTPLUG_CPU
config ARM_PSCI
bool "Support for the ARM Power State Coordination Interface (PSCI)"
depends on CPU_V7
+ select ARM_PSCI_FW
help
Say Y here if you want Linux to communicate with system firmware
implementing the PSCI specification for CPU-centric power
@@ -1701,13 +1705,24 @@ config HIGHPTE
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"
- depends on PERF_EVENTS
+config CPU_SW_DOMAIN_PAN
+ bool "Enable use of CPU domains to implement privileged no-access"
+ depends on MMU && !ARM_LPAE
default y
help
- Enable hardware performance counter support for perf events. If
- disabled, perf events will use software events only.
+ Increase kernel security by ensuring that normal kernel accesses
+ are unable to access userspace addresses. This can help prevent
+ use-after-free bugs becoming an exploitable privilege escalation
+ by ensuring that magic values (such as LIST_POISON) will always
+ fault when dereferenced.
+
+ CPUs with low-vector mappings use a best-efforts implementation.
+ Their lower 1MB needs to remain accessible for the vectors, but
+ the remainder of userspace will become appropriately inaccessible.
+
+config HW_PERF_EVENTS
+ def_bool y
+ depends on ARM_PMU
config SYS_SUPPORTS_HUGETLBFS
def_bool y
@@ -2006,6 +2021,7 @@ config KEXEC
bool "Kexec system call (EXPERIMENTAL)"
depends on (!SMP || PM_SLEEP_SMP)
depends on !CPU_V7M
+ select KEXEC_CORE
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