At some point in the past, I wrote: >> These IRQ stacks are per-cpu, not per-IRQ. It may make sense to >> implement per-IRQ stacks, in which case dynamic allocation at the time >> of request_irq() will make sense.
On Wed, May 02, 2007 at 12:07:45AM +0100, Alan Cox wrote: > This depends if active IRQ count exceeds active CPU count worst cases. > For the big boxes it might well do but for small ones we seem to be best > with per CPU. I'll leave IRQ stacks per-CPU, then. The prevailing opinion on large i386 does not favor doing much of anything to accommodate it. -- wli - 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/
