diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 62 |
1 files changed, 39 insertions, 23 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 8869742a85df..33b00579beff 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -4,6 +4,7 @@ config ARM default y select ARCH_32BIT_OFF_T select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_BINFMT_FLAT select ARCH_HAS_DEBUG_VIRTUAL if MMU select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE @@ -30,6 +31,7 @@ config ARM select ARCH_USE_BUILTIN_BSWAP select ARCH_USE_CMPXCHG_LOCKREF select ARCH_WANT_IPC_PARSE_VERSION + select BINFMT_FLAT_ARGVP_ENVP_ON_STACK select BUILDTIME_EXTABLE_SORT if MMU select CLONE_BACKWARDS select CPU_PM if SUSPEND || CPU_IDLE @@ -73,6 +75,7 @@ config ARM select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_EFFICIENT_UNALIGNED_ACCESS if (CPU_V6 || CPU_V6K || CPU_V7) && MMU 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 @@ -374,15 +377,6 @@ config ARCH_FOOTBRIDGE Support for systems based on the DC21285 companion chip ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder. -config ARCH_NETX - bool "Hilscher NetX based" - select ARM_VIC - select CLKSRC_MMIO - select CPU_ARM926T - select GENERIC_CLOCKEVENTS - help - This enables support for systems based on the Hilscher NetX Soc - config ARCH_IOP13XX bool "IOP13xx-based" depends on MMU @@ -528,7 +522,7 @@ config ARCH_RPC select ARCH_ACORN select ARCH_MAY_HAVE_PC_FDC select ARCH_SPARSEMEM_ENABLE - select ARCH_USES_GETTIMEOFFSET + select ARM_HAS_SG_CHAIN select CPU_SA110 select FIQ select HAVE_IDE @@ -549,6 +543,7 @@ config ARCH_SA1100 select CLKSRC_MMIO select CLKSRC_PXA select TIMER_OF if OF + select COMMON_CLK select CPU_FREQ select CPU_SA1100 select GENERIC_CLOCKEVENTS @@ -767,8 +762,6 @@ source "arch/arm/mach-mvebu/Kconfig" source "arch/arm/mach-mxs/Kconfig" -source "arch/arm/mach-netx/Kconfig" - source "arch/arm/mach-nomadik/Kconfig" source "arch/arm/mach-npcm/Kconfig" @@ -1175,6 +1168,14 @@ config ARM_ERRATA_825619 DMB NSHST or DMB ISHST instruction followed by a mix of Cacheable and Device/Strongly-Ordered loads and stores might cause deadlock +config ARM_ERRATA_857271 + bool "ARM errata: A12: CPU might deadlock under some very rare internal conditions" + depends on CPU_V7 + help + This option enables the workaround for the 857271 Cortex-A12 + (all revs) erratum. Under very rare timing conditions, the CPU might + hang. The workaround is expected to have a < 1% performance impact. + config ARM_ERRATA_852421 bool "ARM errata: A17: DMB ST might fail to create order between stores" depends on CPU_V7 @@ -1196,6 +1197,16 @@ config ARM_ERRATA_852423 config option from the A12 erratum due to the way errata are checked for and handled. +config ARM_ERRATA_857272 + bool "ARM errata: A17: CPU might deadlock under some very rare internal conditions" + depends on CPU_V7 + help + This option enables the workaround for the 857272 Cortex-A17 erratum. + This erratum is not known to be fixed in any A17 revision. + This is identical to Cortex-A12 erratum 857271. It is a separate + config option from the A12 erratum due to the way errata are checked + for and handled. + endmenu source "arch/arm/common/Kconfig" @@ -1232,6 +1243,18 @@ config PCI_HOST_ITE8152 default y select DMABOUNCE +config ARM_ERRATA_814220 + bool "ARM errata: Cache maintenance by set/way operations can execute out of order" + depends on CPU_V7 + help + The v7 ARM states that all cache and branch predictor maintenance + operations that do not specify an address execute, relative to + each other, in program order. + However, because of this erratum, an L2 set/way cache maintenance + operation can overtake an L1 set/way cache maintenance operation. + This ERRATA only affected the Cortex-A7 and present in r0p2, r0p3, + r0p4, r0p5. + endmenu menu "Kernel Features" @@ -1263,8 +1286,8 @@ config SMP uniprocessor machines. On a uniprocessor machine, the kernel will run faster if you say N here. - See also <file:Documentation/x86/i386/IO-APIC.txt>, - <file:Documentation/lockup-watchdogs.txt> and the SMP-HOWTO available at + See also <file:Documentation/x86/i386/IO-APIC.rst>, + <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO available at <http://tldp.org/HOWTO/SMP-HOWTO.html>. If you don't know what to do here, say N. @@ -1590,16 +1613,9 @@ config ARCH_SPARSEMEM_ENABLE config ARCH_SPARSEMEM_DEFAULT def_bool ARCH_SPARSEMEM_ENABLE -config ARCH_SELECT_MEMORY_MODEL - def_bool ARCH_SPARSEMEM_ENABLE - config HAVE_ARCH_PFN_VALID def_bool ARCH_HAS_HOLES_MEMORYMODEL || !SPARSEMEM -config HAVE_GENERIC_GUP - def_bool y - depends on ARM_LPAE - config HIGHMEM bool "High Memory Support" depends on MMU @@ -2010,7 +2026,7 @@ config CRASH_DUMP kdump/kexec. The crash dump kernel must be compiled to a memory address not used by the main kernel - For more details see Documentation/kdump/kdump.txt + For more details see Documentation/admin-guide/kdump/kdump.rst config AUTO_ZRELADDR bool "Auto calculation of the decompressed kernel image address" @@ -2116,7 +2132,7 @@ config VFP Say Y to include VFP support code in the kernel. This is needed if your hardware includes a VFP unit. - Please see <file:Documentation/arm/VFP/release-notes.txt> for + Please see <file:Documentation/arm/vfp/release-notes.rst> for release notes and additional status information. Say N if your target does not have VFP hardware. |