Ingo, I think this was sent before, and it did cause problems before. Would there be *any* reason to have non-threaded softirqs but threaded hardirqs. I can see lots of issues with that.
This patch has selecting hardirqs also select softirqs as threads. Signed-off-by: Steven Rostedt <[EMAIL PROTECTED]> Index: linux-2.6.21.5-rt18/kernel/Kconfig.preempt =================================================================== --- linux-2.6.21.5-rt18.orig/kernel/Kconfig.preempt 2007-06-28 16:58:49.000000000 -0400 +++ linux-2.6.21.5-rt18/kernel/Kconfig.preempt 2007-06-28 17:00:07.000000000 -0400 @@ -106,6 +106,7 @@ config PREEMPT_HARDIRQS bool "Thread Hardirqs" default n depends on !GENERIC_HARDIRQS_NO__DO_IRQ + select PREEMPT_SOFTIRQS help This option reduces the latency of the kernel by 'threading' hardirqs. This means that all (or selected) hardirqs will run - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/