diff options
| author | Jan Glauber <jang@linux.vnet.ibm.com> | 2011-03-16 15:58:30 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2011-04-04 13:43:16 -0400 |
| commit | 5373db886b791b2bc7811e2c115377916c409a5d (patch) | |
| tree | 1653948d7260448ff87b7858bd2f6ec331995ce4 /arch/s390/Kconfig | |
| parent | ef64789413c73f32faa5e5f1bc393e5843b0aa51 (diff) | |
jump label: Add s390 support
Implement the architecture backend for jump label support on s390.
For a shared kernel booted from a NSS silently disable jump labels
because the NSS is read-only. Therefore jump labels will be disabled
in a shared kernel and can't be activated.
Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
LKML-Reference: <6935d2c41ce111e1719176ed4bbd3dbe4de80855.1300299760.git.jbaron@redhat.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/s390/Kconfig')
| -rw-r--r-- | arch/s390/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 2508a6f31588..4a7f14079e03 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig | |||
| @@ -88,6 +88,7 @@ config S390 | |||
| 88 | select HAVE_KERNEL_XZ | 88 | select HAVE_KERNEL_XZ |
| 89 | select HAVE_GET_USER_PAGES_FAST | 89 | select HAVE_GET_USER_PAGES_FAST |
| 90 | select HAVE_ARCH_MUTEX_CPU_RELAX | 90 | select HAVE_ARCH_MUTEX_CPU_RELAX |
| 91 | select HAVE_ARCH_JUMP_LABEL if !MARCH_G5 | ||
| 91 | select ARCH_INLINE_SPIN_TRYLOCK | 92 | select ARCH_INLINE_SPIN_TRYLOCK |
| 92 | select ARCH_INLINE_SPIN_TRYLOCK_BH | 93 | select ARCH_INLINE_SPIN_TRYLOCK_BH |
| 93 | select ARCH_INLINE_SPIN_LOCK | 94 | select ARCH_INLINE_SPIN_LOCK |