diff options
| author | Paul Mackerras <paulus@samba.org> | 2005-01-12 17:01:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-01-12 17:01:37 -0800 |
| commit | c08c4dd51aa02b228dbf5482ea1175151968de64 (patch) | |
| tree | 37d5f2c99016aeed7d0a393d7637af4717bd9837 /arch | |
| parent | 44462c19a68f0b93c8c8503d6c2afa673994ad4a (diff) | |
| download | history-c08c4dd51aa02b228dbf5482ea1175151968de64.tar.gz | |
[PATCH] PPC64 Add PREEMPT_BKL option
This patch adds the PREEMPT_BKL config option for PPC64, shamelessly
stolen from the i386 version. I have this turned on in the kernel on
my desktop G5 and it seems to be just fine.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/ppc64/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig index 0bc438f7edca6f..b4dd00342397e8 100644 --- a/arch/ppc64/Kconfig +++ b/arch/ppc64/Kconfig @@ -231,6 +231,17 @@ config PREEMPT Say Y here if you are building a kernel for a desktop, embedded or real-time system. Say N if you are unsure. +config PREEMPT_BKL + bool "Preempt The Big Kernel Lock" + depends on PREEMPT + default y + help + This option reduces the latency of the kernel by making the + big kernel lock preemptible. + + Say Y here if you are building a kernel for a desktop system. + Say N if you are unsure. + # # Use the generic interrupt handling code in kernel/irq/: # |