On Thu, 2005-08-18 at 17:24 +0200, Thomas Gleixner wrote: > finally found the deadlock. It was caused by IRQ flood, which was > introduced by the end_irq() changes.
Found another one to back out. It creaped in with the same patch. It's slow and just conceals bad configured PICs and crappy demux handlers. tglx --- linux-2.6.13-rc6-rt9/arch/ppc/syslib/open_pic.c 2005-08-18 17:37:39.000000000 +0200 +++ linux-2.6.13-rc6-rt9.work/arch/ppc/syslib/open_pic.c 2005-08-18 23:02:12.000000000 +0200 @@ -816,10 +816,6 @@ static void openpic_set_sense(u_int irq, } #endif /* notused */ -#ifdef CONFIG_PREEMPT_RT -#define __SLOW_VERSION__ -#endif - /* No spinlocks, should not be necessary with the OpenPIC * (1 register = 1 interrupt and we have the desc lock). */ - 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/
