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-rw-r--r--arch/s390/Kconfig14
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 4a7f14079e03..90d77bd078f5 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -2,7 +2,7 @@ config MMU
def_bool y
config ZONE_DMA
- def_bool y if 64BIT
+ def_bool y
config LOCKDEP_SUPPORT
def_bool y
@@ -89,6 +89,7 @@ config S390
select HAVE_GET_USER_PAGES_FAST
select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
+ select HAVE_RCU_TABLE_FREE if SMP
select ARCH_INLINE_SPIN_TRYLOCK
select ARCH_INLINE_SPIN_TRYLOCK_BH
select ARCH_INLINE_SPIN_LOCK
@@ -230,17 +231,6 @@ config SYSVIPC_COMPAT
config AUDIT_ARCH
def_bool y
-config S390_EXEC_PROTECT
- def_bool y
- prompt "Data execute protection"
- help
- This option allows to enable a buffer overflow protection for user
- space programs and it also selects the addressing mode option above.
- The kernel parameter noexec=on will enable this feature and also
- switch the addressing modes, default is disabled. Enabling this (via
- kernel parameter) on machines earlier than IBM System z9 this will
- reduce system performance.
-
comment "Code generation options"
choice