diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2010-09-27 12:45:59 (GMT) |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2010-10-04 09:01:05 (GMT) |
commit | d9817ebeeef16e01487549312c68540ca8f1561b (patch) | |
tree | 7bb05550dcd1b4ec2cd6cf92e38d783b6f5e8c9e /kernel/irq | |
parent | e7ffec1eb178db349c7fbfd647725e9d06619962 (diff) | |
download | linux-d9817ebeeef16e01487549312c68540ca8f1561b.tar.xz |
genirq: Provide Kconfig
The generic irq Kconfig options are copied around all archs. Provide a
generic Kconfig file which can be included.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100927121843.217333624@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/irq')
-rw-r--r-- | kernel/irq/Kconfig | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig new file mode 100644 index 0000000..e0fc6cd --- /dev/null +++ b/kernel/irq/Kconfig @@ -0,0 +1,54 @@ +config HAVE_GENERIC_HARDIRQS + def_bool n + +if HAVE_GENERIC_HARDIRQS +menu "IRQ subsystem" +# +# Interrupt subsystem related configuration options +# +config GENERIC_HARDIRQS + def_bool y + +config GENERIC_HARDIRQS_NO__DO_IRQ + def_bool y + +# Options selectable by the architecture code +config HAVE_SPARSE_IRQ + def_bool n + +config GENERIC_IRQ_PROBE + def_bool n + +config GENERIC_PENDING_IRQ + def_bool n + +if SPARSE_IRQ && NUMA +config NUMA_IRQ_DESC + def_bool n +endif + +config AUTO_IRQ_AFFINITY + def_bool n + +config IRQ_PER_CPU + def_bool n + +config HARDIRQS_SW_RESEND + def_bool n + +config SPARSE_IRQ + bool "Support sparse irq numbering" + depends on HAVE_SPARSE_IRQ + ---help--- + + Sparse irq numbering 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 interrupt descriptors in a more NUMA-friendly way. ) + + If you don't know what to do here, say N. + +endmenu +endif |