Messages in this thread Patch in this message | | | Subject | Re: 2.6.13-rc6-rt9 | From | Thomas Gleixner <> | Date | Thu, 18 Aug 2005 23:17:44 +0200 |
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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). */
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