diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 57 |
1 files changed, 54 insertions, 3 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 34f487d5d84e..7796af4b1d6f 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1,5 +1,7 @@ config ARM64 def_bool y + select ACPI_GENERIC_GSI if ACPI + select ACPI_REDUCED_HARDWARE_ONLY if ACPI select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL @@ -29,6 +31,7 @@ config ARM64 select GENERIC_EARLY_IOREMAP select GENERIC_IRQ_PROBE select GENERIC_IRQ_SHOW + select GENERIC_IRQ_SHOW_LEVEL select GENERIC_PCI_IOMAP select GENERIC_SCHED_CLOCK select GENERIC_SMP_IDLE_THREAD @@ -181,9 +184,16 @@ config ARCH_FSL_LS2085A config ARCH_MEDIATEK bool "Mediatek MT65xx & MT81xx ARMv8 SoC" select ARM_GIC + select PINCTRL help Support for Mediatek MT65xx & MT81xx ARMv8 SoCs +config ARCH_QCOM + bool "Qualcomm Platforms" + select PINCTRL + help + This enables support for the ARMv8 based Qualcomm chipsets. + config ARCH_SEATTLE bool "AMD Seattle SoC Family" help @@ -215,6 +225,11 @@ config ARCH_TEGRA_132_SOC but contains an NVIDIA Denver CPU complex in place of Tegra124's "4+1" Cortex-A15 CPU complex. +config ARCH_SPRD + bool "Spreadtrum SoC platform" + help + Support for Spreadtrum ARM based SoCs + config ARCH_THUNDER bool "Cavium Inc. Thunder SoC Family" help @@ -235,6 +250,11 @@ config ARCH_XGENE help This enables support for AppliedMicro X-Gene SOC Family +config ARCH_ZYNQMP + bool "Xilinx ZynqMP Family" + help + This enables support for Xilinx ZynqMP Family + endmenu menu "Bus support" @@ -368,6 +388,27 @@ config ARM64_ERRATUM_832075 If unsure, say Y. +config ARM64_ERRATUM_845719 + bool "Cortex-A53: 845719: a load might read incorrect data" + depends on COMPAT + default y + help + This option adds an alternative code sequence to work around ARM + erratum 845719 on Cortex-A53 parts up to r0p4. + + When running a compat (AArch32) userspace on an affected Cortex-A53 + part, a load at EL0 from a virtual address that matches the bottom 32 + bits of the virtual address used by a recent load at (AArch64) EL1 + might return incorrect data. + + The workaround is to write the contextidr_el1 register on exception + return to a 32-bit task. + Please note that this does not necessarily enable the workaround, + as it depends on the alternative framework, which will only patch + the kernel if an affected CPU is detected. + + If unsure, say Y. + endmenu @@ -455,8 +496,8 @@ config SCHED_SMT places. If unsure say N here. config NR_CPUS - int "Maximum number of CPUs (2-64)" - range 2 64 + int "Maximum number of CPUs (2-4096)" + range 2 4096 depends on SMP # These have to remain sorted largest to smallest default "64" @@ -470,6 +511,10 @@ config HOTPLUG_CPU source kernel/Kconfig.preempt +config UP_LATE_INIT + def_bool y + depends on !SMP + config HZ int default 100 @@ -670,7 +715,7 @@ source "fs/Kconfig.binfmt" config COMPAT bool "Kernel support for 32-bit EL0" - depends on !ARM64_64K_PAGES + depends on !ARM64_64K_PAGES || EXPERT select COMPAT_BINFMT_ELF select HAVE_UID16 select OLD_SIGSUSPEND3 @@ -681,6 +726,10 @@ config COMPAT the user helper functions, VFP support and the ptrace interface are handled appropriately by the kernel. + If you also enabled CONFIG_ARM64_64K_PAGES, please be aware that you + will only be able to execute AArch32 binaries that were compiled with + 64k aligned segments. + If you want to execute 32-bit userspace applications, say Y. config SYSVIPC_COMPAT @@ -712,6 +761,8 @@ source "drivers/Kconfig" source "drivers/firmware/Kconfig" +source "drivers/acpi/Kconfig" + source "fs/Kconfig" source "arch/arm64/kvm/Kconfig" |