diff options
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r-- | arch/s390/Kconfig | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1831833c430e..f6a68e178fc5 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig | |||
@@ -3,6 +3,10 @@ | |||
3 | # see Documentation/kbuild/kconfig-language.txt. | 3 | # see Documentation/kbuild/kconfig-language.txt. |
4 | # | 4 | # |
5 | 5 | ||
6 | config SCHED_MC | ||
7 | def_bool y | ||
8 | depends on SMP | ||
9 | |||
6 | config MMU | 10 | config MMU |
7 | def_bool y | 11 | def_bool y |
8 | 12 | ||
@@ -39,6 +43,9 @@ config GENERIC_HWEIGHT | |||
39 | config GENERIC_TIME | 43 | config GENERIC_TIME |
40 | def_bool y | 44 | def_bool y |
41 | 45 | ||
46 | config GENERIC_CLOCKEVENTS | ||
47 | def_bool y | ||
48 | |||
42 | config GENERIC_BUG | 49 | config GENERIC_BUG |
43 | bool | 50 | bool |
44 | depends on BUG | 51 | depends on BUG |
@@ -69,6 +76,8 @@ menu "Base setup" | |||
69 | 76 | ||
70 | comment "Processor type and features" | 77 | comment "Processor type and features" |
71 | 78 | ||
79 | source "kernel/time/Kconfig" | ||
80 | |||
72 | config 64BIT | 81 | config 64BIT |
73 | bool "64 bit kernel" | 82 | bool "64 bit kernel" |
74 | help | 83 | help |
@@ -301,10 +310,7 @@ config QDIO | |||
301 | tristate "QDIO support" | 310 | tristate "QDIO support" |
302 | ---help--- | 311 | ---help--- |
303 | This driver provides the Queued Direct I/O base support for | 312 | This driver provides the Queued Direct I/O base support for |
304 | IBM mainframes. | 313 | IBM System z. |
305 | |||
306 | For details please refer to the documentation provided by IBM at | ||
307 | <http://www10.software.ibm.com/developerworks/opensource/linux390> | ||
308 | 314 | ||
309 | To compile this driver as a module, choose M here: the | 315 | To compile this driver as a module, choose M here: the |
310 | module will be called qdio. | 316 | module will be called qdio. |
@@ -486,25 +492,6 @@ config APPLDATA_NET_SUM | |||
486 | 492 | ||
487 | source kernel/Kconfig.hz | 493 | source kernel/Kconfig.hz |
488 | 494 | ||
489 | config NO_IDLE_HZ | ||
490 | bool "No HZ timer ticks in idle" | ||
491 | help | ||
492 | Switches the regular HZ timer off when the system is going idle. | ||
493 | This helps z/VM to detect that the Linux system is idle. VM can | ||
494 | then "swap-out" this guest which reduces memory usage. It also | ||
495 | reduces the overhead of idle systems. | ||
496 | |||
497 | The HZ timer can be switched on/off via /proc/sys/kernel/hz_timer. | ||
498 | hz_timer=0 means HZ timer is disabled. hz_timer=1 means HZ | ||
499 | timer is active. | ||
500 | |||
501 | config NO_IDLE_HZ_INIT | ||
502 | bool "HZ timer in idle off by default" | ||
503 | depends on NO_IDLE_HZ | ||
504 | help | ||
505 | The HZ timer is switched off in idle by default. That means the | ||
506 | HZ timer is already disabled at boot time. | ||
507 | |||
508 | config S390_HYPFS_FS | 495 | config S390_HYPFS_FS |
509 | bool "s390 hypervisor file system support" | 496 | bool "s390 hypervisor file system support" |
510 | select SYS_HYPERVISOR | 497 | select SYS_HYPERVISOR |