1config HAVE_GENERIC_HARDIRQS 2 def_bool n 3 4if HAVE_GENERIC_HARDIRQS 5menu "IRQ subsystem" 6# 7# Interrupt subsystem related configuration options 8# 9config GENERIC_HARDIRQS 10 def_bool y 11 12# Select this to disable the deprecated stuff 13config GENERIC_HARDIRQS_NO_DEPRECATED 14 def_bool n 15 16# Options selectable by the architecture code 17config HAVE_SPARSE_IRQ 18 def_bool n 19 20config GENERIC_IRQ_PROBE 21 def_bool n 22 23config GENERIC_PENDING_IRQ 24 def_bool n 25 26config AUTO_IRQ_AFFINITY 27 def_bool n 28 29config IRQ_PER_CPU 30 def_bool n 31 32config HARDIRQS_SW_RESEND 33 def_bool n 34 35config SPARSE_IRQ 36 bool "Support sparse irq numbering" 37 depends on HAVE_SPARSE_IRQ 38 ---help--- 39 40 Sparse irq numbering is useful for distro kernels that want 41 to define a high CONFIG_NR_CPUS value but still want to have 42 low kernel memory footprint on smaller machines. 43 44 ( Sparse irqs can also be beneficial on NUMA boxes, as they spread 45 out the interrupt descriptors in a more NUMA-friendly way. ) 46 47 If you don't know what to do here, say N. 48 49endmenu 50endif 51