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    Subject[patch 18/19] 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>
    ---
    kernel/irq/Kconfig | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
    1 file changed, 49 insertions(+)

    Index: linux-2.6-tip/kernel/irq/Kconfig
    ===================================================================
    --- /dev/null
    +++ linux-2.6-tip/kernel/irq/Kconfig
    @@ -0,0 +1,49 @@
    +#
    +# Interrupt subsystem related configuration options
    +#
    +
    +menu "Interrupt handling subsystem"
    +
    +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---
    + 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.
    +



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