All timer interrupts and the perf interrupt are marked NO_THREAD, so its safe to allow forced interrupt threading. Signed-off-by: Thomas Gleixner --- arch/arm/Kconfig | 1 + 1 file changed, 1 insertion(+) Index: linux-2.6/arch/arm/Kconfig =================================================================== --- linux-2.6.orig/arch/arm/Kconfig +++ linux-2.6/arch/arm/Kconfig @@ -17,6 +17,7 @@ config ARM select GENERIC_STRNCPY_FROM_USER select GENERIC_STRNLEN_USER select HARDIRQS_SW_RESEND + select IRQ_FORCED_THREADING select HAVE_AOUT select HAVE_ARCH_JUMP_LABEL if !XIP_KERNEL select HAVE_ARCH_KGDB