[ARM] select TLS_REG_EMUL and NEEDS_SYSCALL_FOR_CMPXCHG

Rather than having a growing dependency line, use select to set
these configuration symbols.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 3b79d0e..57a48d9 100644 (file)
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -266,12 +266,18 @@ config CPU_32v6K
 # This defines the compiler instruction set which depends on the machine type.
 config CPU_32v3
        bool
+       select TLS_REG_EMUL if SMP
+       select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
 
 config CPU_32v4
        bool
+       select TLS_REG_EMUL if SMP
+       select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
 
 config CPU_32v5
        bool
+       select TLS_REG_EMUL if SMP
+       select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
 
 config CPU_32v6
        bool
@@ -417,7 +423,6 @@ config CPU_BPREDICT_DISABLE
 
 config TLS_REG_EMUL
        bool
-       default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3)
        help
          An SMP system using a pre-ARMv6 processor (there are apparently
          a few prototypes like that in existence) and therefore access to
@@ -436,7 +441,6 @@ config HAS_TLS_REG
 
 config NEEDS_SYSCALL_FOR_CMPXCHG
        bool
-       default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3)
        help
          SMP on a pre-ARMv6 processor?  Well OK then.
          Forget about fast user space cmpxchg support.