diff -Naurp -X /home/jbarnes/dontdiff 310-sn-serial-hack.patch/arch/ia64/sn/io/sn2/pcibr/pcibr_intr.c 320-sn-dma-flush-hack.patch/arch/ia64/sn/io/sn2/pcibr/pcibr_intr.c
--- 310-sn-serial-hack.patch/arch/ia64/sn/io/sn2/pcibr/pcibr_intr.c	Wed Feb 18 10:28:10 2004
+++ 320-sn-dma-flush-hack.patch/arch/ia64/sn/io/sn2/pcibr/pcibr_intr.c	Wed Feb 18 10:34:21 2004
@@ -106,6 +106,8 @@ sn_dma_flush(unsigned long addr)
 	int bwin;
 	unsigned long flags;
 
+	return 0;
+
 	nasid = NASID_GET(addr);
 	wid_num = SWIN_WIDGETNUM(addr);
 	bwin = BWIN_WINDOWNUM(addr);