On 22 December 2010 23:28, David Miller <davem@xxxxxxxxxxxxx> wrote: > From: Daniel Hellstrom <daniel@xxxxxxxxxxx> > Date: Wed, 22 Dec 2010 14:23:27 +0100 > >> I will try to create a patch for the atomic layer for SMP LEON systems >> since they have the CASA instruction. > > But see my other posting, you still have to fix the irq15 problem. > > Merely switching to CASA doesn't mean you don't still have a problem > because spin_lock_irqsave() and other similar pieces of code expect > they will not be interrupted by smp_call_function() calls. Was SPARC32 SMP in 2.4 also implemented using IRQ15/NMI ? -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
