menu "IRQ subsystem" # Options selectable by the architecture code # Make sparse irq Kconfig switch below available config MAY_HAVE_SPARSE_IRQ bool # Legacy support, required for itanic config GENERIC_IRQ_LEGACY bool # Enable the generic irq autoprobe mechanism config GENERIC_IRQ_PROBE bool # Use the generic /proc/interrupts implementation config GENERIC_IRQ_SHOW bool # Print level/edge extra information config GENERIC_IRQ_SHOW_LEVEL bool # Facility to allocate a hardware interrupt. This is legacy support # and should not be used in new code. Use irq domains instead. config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ bool # Support for delayed migration from interrupt context config GENERIC_PENDING_IRQ bool # Support for generic irq migrating off cpu before the cpu is offline. config GENERIC_IRQ_MIGRATION bool # Alpha specific irq affinity mechanism config AUTO_IRQ_AFFINITY bool # Tasklet based software resend for pending interrupts on enable_irq() config HARDIRQS_SW_RESEND bool # Preflow handler support for fasteoi (sparc64) config IRQ_PREFLOW_FASTEOI bool # Edge style eoi based handler (cell) config IRQ_EDGE_EOI_HANDLER bool # Generic configurable interrupt chip implementation config GENERIC_IRQ_CHIP bool select IRQ_DOMAIN # Generic irq_domain hw <--> linux irq number translation config IRQ_DOMAIN bool # Support for hierarchical irq domains config IRQ_DOMAIN_HIERARCHY bool select IRQ_DOMAIN # Generic IRQ IPI support config GENERIC_IRQ_IPI bool # Generic MSI interrupt support config GENERIC_MSI_IRQ bool # Generic MSI hierarchical interrupt domain support config GENERIC_MSI_IRQ_DOMAIN bool select IRQ_DOMAIN_HIERARCHY select GENERIC_MSI_IRQ config HANDLE_DOMAIN_IRQ bool config IRQ_DOMAIN_DEBUG bool "Expose hardware/virtual IRQ mapping via debugfs" depends on IRQ_DOMAIN && DEBUG_FS help This option will show the mapping relationship between hardware irq numbers and Linux irq numbers. The mapping is exposed via debugfs in the file "irq_domain_mapping". If you don't know what this means you don't need it. # Support forced irq threading config IRQ_FORCED_THREADING bool config SPARSE_IRQ bool "Support sparse irq numbering" if MAY_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 a9'>root/net/sctp/socket.c

Age	Commit message (Expand)	Author	Files	Lines