[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>

1 files changed, 6 insertions, 2 deletions

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 3b79d0e23455..57a48d92ac41 100644
--- 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.