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Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 5b670c9ac5e..c4fc6be629d 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -409,3 +409,24 @@ config CPU_BPREDICT_DISABLE depends on CPU_ARM1020 help Say Y here to disable branch prediction. If unsure, say N. + +config TLS_REG_EMUL + bool + default y if (SMP || CPU_32v6) && (CPU_32v5 || CPU_32v4 || CPU_32v3) + help + We might be running on an ARMv6+ processor which should have the TLS + register but for some reason we can't use it, or maybe an SMP system + using a pre-ARMv6 processor (there are apparently a few prototypes + like that in existence) and therefore access to that register must + be emulated. + +config HAS_TLS_REG + bool + depends on CPU_32v6 + default y if !TLS_REG_EMUL + help + This selects support for the CP15 thread register. + It is defined to be available on ARMv6 or later. If a particular + ARMv6 or later CPU doesn't support it then it must omc;ide "select + TLS_REG_EMUL" along with its other caracteristics. + |