1 config HAVE_GENERIC_HARDIRQS
4 if HAVE_GENERIC_HARDIRQS
7 # Interrupt subsystem related configuration options
9 config GENERIC_HARDIRQS
12 config GENERIC_HARDIRQS_NO__DO_IRQ
15 # Select this to disable the deprecated stuff
16 config GENERIC_HARDIRQS_NO_DEPRECATED
19 # Options selectable by the architecture code
20 config HAVE_SPARSE_IRQ
23 config GENERIC_IRQ_PROBE
26 config GENERIC_PENDING_IRQ
34 config AUTO_IRQ_AFFINITY
40 config HARDIRQS_SW_RESEND
44 bool "Support sparse irq numbering"
45 depends on HAVE_SPARSE_IRQ
48 Sparse irq numbering is useful for distro kernels that want
49 to define a high CONFIG_NR_CPUS value but still want to have
50 low kernel memory footprint on smaller machines.
52 ( Sparse irqs can also be beneficial on NUMA boxes, as they spread
53 out the interrupt descriptors in a more NUMA-friendly way. )
55 If you don't know what to do here, say N.