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-rw-r--r--arch/s390/Kconfig65
1 files changed, 63 insertions, 2 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index dcc6ac2d802..314fced4fc1 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -93,16 +93,17 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
select ARCH_SAVE_PAGE_KEYS if HIBERNATION
+ select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS2
select GENERIC_CLOCKEVENTS
select GENERIC_CPU_DEVICES if !SMP
+ select GENERIC_FIND_FIRST_BIT
select GENERIC_SMP_IDLE_THREAD
select GENERIC_TIME_VSYSCALL_OLD
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
- select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
@@ -140,7 +141,6 @@ config S390
select OLD_SIGACTION
select OLD_SIGSUSPEND3
select SYSCTL_EXCEPTION_TRACE
- select USE_GENERIC_SMP_HELPERS if SMP
select VIRT_CPU_ACCOUNTING
select VIRT_TO_BUS
@@ -237,6 +237,67 @@ config MARCH_ZEC12
endchoice
+config MARCH_G5_TUNE
+ def_bool TUNE_G5 || MARCH_G5 && TUNE_DEFAULT
+
+config MARCH_Z900_TUNE
+ def_bool TUNE_Z900 || MARCH_Z900 && TUNE_DEFAULT
+
+config MARCH_Z990_TUNE
+ def_bool TUNE_Z990 || MARCH_Z990 && TUNE_DEFAULT
+
+config MARCH_Z9_109_TUNE
+ def_bool TUNE_Z9_109 || MARCH_Z9_109 && TUNE_DEFAULT
+
+config MARCH_Z10_TUNE
+ def_bool TUNE_Z10 || MARCH_Z10 && TUNE_DEFAULT
+
+config MARCH_Z196_TUNE
+ def_bool TUNE_Z196 || MARCH_Z196 && TUNE_DEFAULT
+
+config MARCH_ZEC12_TUNE
+ def_bool TUNE_ZEC12 || MARCH_ZEC12 && TUNE_DEFAULT
+
+choice
+ prompt "Tune code generation"
+ default TUNE_DEFAULT
+ help
+ Cause the compiler to tune (-mtune) the generated code for a machine.
+ This will make the code run faster on the selected machine but
+ somewhat slower on other machines.
+ This option only changes how the compiler emits instructions, not the
+ selection of instructions itself, so the resulting kernel will run on
+ all other machines.
+
+config TUNE_DEFAULT
+ bool "Default"
+ help
+ Tune the generated code for the target processor for which the kernel
+ will be compiled.
+
+config TUNE_G5
+ bool "System/390 model G5 and G6"
+
+config TUNE_Z900
+ bool "IBM zSeries model z800 and z900"
+
+config TUNE_Z990
+ bool "IBM zSeries model z890 and z990"
+
+config TUNE_Z9_109
+ bool "IBM System z9"
+
+config TUNE_Z10
+ bool "IBM System z10"
+
+config TUNE_Z196
+ bool "IBM zEnterprise 114 and 196"
+
+config TUNE_ZEC12
+ bool "IBM zBC12 and zEC12"
+
+endchoice
+
config 64BIT
def_bool y
prompt "64 bit kernel"