Author: nwhitehorn
Date: Tue Dec 8 05:23:07 2009
New Revision: 200248
URL: http://svn.freebsd.org/changeset/base/200248
Log:
MFC r198444:
Allow Heathrow-based machines to boot a kernel containing option SMP
without panicing.
Modified:
stable/8/sys/powerpc/powermac/hrowpic.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
Modified: stable/8/sys/powerpc/powermac/hrowpic.c
==============================================================================
--- stable/8/sys/powerpc/powermac/hrowpic.c Tue Dec 8 05:18:59 2009
(r200247)
+++ stable/8/sys/powerpc/powermac/hrowpic.c Tue Dec 8 05:23:07 2009
(r200248)
@@ -182,7 +182,13 @@ hrowpic_toggle_irq(struct hrowpic_softc
u_int roffset;
u_int rbit;
- KASSERT((irq > 0) && (irq < HROWPIC_IRQMAX), ("en irq out of range"));
+ KASSERT((irq > 0) && (irq <= HROWPIC_IRQMAX), ("en irq out of range"));
+
+ /*
+ * Humor the SMP layer if it wants to set up an IPI handler.
+ */
+ if (irq == HROWPIC_IRQMAX)
+ return;
/*
* Calculate prim/sec register bank for the IRQ, update soft copy,
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