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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