Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6-omap-h63xx.git] / arch / sh / Kconfig.debug

diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index b507b501f0cf2f4b24190945eb2742f8babdb261..ab2f9f3c354c27df9c54081d641c9aa11b67353d 100644 (file)
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -86,6 +86,14 @@ config 4KSTACKS
          on the VM subsystem for higher order allocations. This option
          will also use IRQ stacks to compensate for the reduced stackspace.
 
+config IRQSTACKS
+       bool "Use separate kernel stacks when processing interrupts"
+       depends on DEBUG_KERNEL
+       help
+         If you say Y here the kernel will use separate kernel stacks
+         for handling hard and soft interrupts.  This can help avoid
+         overflowing the process kernel stacks.
+
 config SH_KGDB
        bool "Include KGDB kernel debugger"
        select FRAME_POINTER