|
|
@@ -36,20 +36,12 @@ config GENERIC_TIME_VSYSCALL
|
|
|
config GENERIC_CLOCKEVENTS
|
|
|
def_bool y
|
|
|
|
|
|
-config GENERIC_HARDIRQS
|
|
|
- bool
|
|
|
- default y
|
|
|
-
|
|
|
config HAVE_SETUP_PER_CPU_AREA
|
|
|
def_bool PPC64
|
|
|
|
|
|
config NEED_PER_CPU_EMBED_FIRST_CHUNK
|
|
|
def_bool PPC64
|
|
|
|
|
|
-config IRQ_PER_CPU
|
|
|
- bool
|
|
|
- default y
|
|
|
-
|
|
|
config NR_IRQS
|
|
|
int "Number of virtual interrupt numbers"
|
|
|
range 32 32768
|
|
|
@@ -139,6 +131,9 @@ config PPC
|
|
|
select HAVE_PERF_EVENTS
|
|
|
select HAVE_REGS_AND_STACK_ACCESS_API
|
|
|
select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
|
|
|
+ select HAVE_GENERIC_HARDIRQS
|
|
|
+ select HAVE_SPARSE_IRQ
|
|
|
+ select IRQ_PER_CPU
|
|
|
|
|
|
config EARLY_PRINTK
|
|
|
bool
|
|
|
@@ -388,19 +383,6 @@ config IRQ_ALL_CPUS
|
|
|
CPU. Generally saying Y is safe, although some problems have been
|
|
|
reported with SMP Power Macintoshes with this option enabled.
|
|
|
|
|
|
-config SPARSE_IRQ
|
|
|
- bool "Support sparse irq numbering"
|
|
|
- default n
|
|
|
- help
|
|
|
- This enables support for sparse irqs. This is useful for distro
|
|
|
- kernels that want to define a high CONFIG_NR_CPUS value but still
|
|
|
- want to have low kernel memory footprint on smaller machines.
|
|
|
-
|
|
|
- ( Sparse IRQs can also be beneficial on NUMA boxes, as they spread
|
|
|
- out the irq_desc[] array in a more NUMA-friendly way. )
|
|
|
-
|
|
|
- If you don't know what to do here, say N.
|
|
|
-
|
|
|
config NUMA
|
|
|
bool "NUMA support"
|
|
|
depends on PPC64
|
Thomas Gleixner