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Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index b5629cdc37a0..586cd045e2db 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -678,6 +678,18 @@ config GUSA_RB LLSC, this should be more efficient than the other alternative of disabling interrupts around the atomic sequence. +config SPARSE_IRQ + bool "Support sparse irq numbering" + depends on EXPERIMENTAL + help + This enables support for sparse irqs. This is useful in general + as most CPUs have a fairly sparse array of IRQ vectors, which + the irq_desc then maps directly on to. Systems with a high + number of off-chip IRQs will want to treat this as + experimental until they have been independently verified. + + If you don't know what to do here, say N. + endmenu menu "Boot options" |