[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
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -266,12 +266,18 @@
# 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 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 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.