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-rw-r--r--arch/arm/mm/Kconfig8
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index eaaec90db972..e680c5fd93b5 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -266,12 +266,18 @@ config CPU_32v6K
266# This defines the compiler instruction set which depends on the machine type. 266# This defines the compiler instruction set which depends on the machine type.
267config CPU_32v3 267config CPU_32v3
268 bool 268 bool
269 select TLS_REG_EMUL if SMP
270 select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
269 271
270config CPU_32v4 272config CPU_32v4
271 bool 273 bool
274 select TLS_REG_EMUL if SMP
275 select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
272 276
273config CPU_32v5 277config CPU_32v5
274 bool 278 bool
279 select TLS_REG_EMUL if SMP
280 select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
275 281
276config CPU_32v6 282config CPU_32v6
277 bool 283 bool
@@ -417,7 +423,6 @@ config CPU_BPREDICT_DISABLE
417 423
418config TLS_REG_EMUL 424config TLS_REG_EMUL
419 bool 425 bool
420 default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3)
421 help 426 help
422 An SMP system using a pre-ARMv6 processor (there are apparently 427 An SMP system using a pre-ARMv6 processor (there are apparently
423 a few prototypes like that in existence) and therefore access to 428 a few prototypes like that in existence) and therefore access to
@@ -436,7 +441,6 @@ config HAS_TLS_REG
436 441
437config NEEDS_SYSCALL_FOR_CMPXCHG 442config NEEDS_SYSCALL_FOR_CMPXCHG
438 bool 443 bool
439 default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3)
440 help 444 help
441 SMP on a pre-ARMv6 processor? Well OK then. 445 SMP on a pre-ARMv6 processor? Well OK then.
442 Forget about fast user space cmpxchg support. 446 Forget about fast user space cmpxchg support.