On Fri, 2006-11-24 at 11:55 +1100, David Chinner wrote: > On Thu, Nov 23, 2006 at 07:37:00PM +0100, Arjan van de Ven wrote: > > On Thu, 2006-11-23 at 14:16 +0100, Ingo Oeser wrote: > > > Hi there, > > > > > > David Chinner schrieb: > > > > If the softirqs were run on a different stack, then a lot of these > > > > softirqs DO run on their own stack! > > So they run on a separate stack for 4k stacks on x86? > > They don't run on a separate stack for 8k stacks on x86 - > Jesper's traces show that - so this may indicate an issue > with the methodology used to generate the stack overflow > traces inteh first place. i.e. if 4k stacks use a separate > stack, then most of the reported overflows are spurious > and would not normally occur on 4k stack systems.. > > Can you confirm this, Arjan? yes there are separate stacks for softirq and hardirq context with 4K stacks, but not for 8K stacks. -- if you want to mail me at work (you don't), use arjan (at) linux.intel.com Test the interaction between Linux and your BIOS via http://www.linuxfirmwarekit.org - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
