softirq: Move __ARCH_HAS_DO_SOFTIRQ to Kconfig
[sfrench/cifs-2.6.git] / arch / Kconfig
index 24862d15f3a36936fae1036821cf2b948208da59..7eab9d0a4b43c293559d2cda05491c97c4e88a99 100644 (file)
@@ -759,6 +759,12 @@ config HAVE_IRQ_EXIT_ON_IRQ_STACK
          This spares a stack switch and improves cache usage on softirq
          processing.
 
+config HAVE_SOFTIRQ_ON_OWN_STACK
+       bool
+       help
+         Architecture provides a function to run __do_softirq() on a
+         seperate stack.
+
 config PGTABLE_LEVELS
        int
        default 2