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fixed stupid bug in msi code

--- a/sys/src/9/pc/mp.c

+++ b/sys/src/9/pc/mp.c

@@ -917,7 +917,7 @@

 	ok64 = (pcicfgr16(pci, cap + MSICtrl) & (1<<7)) != 0;

 	pcicfgw32(pci, cap + MSIAddr, (0xFEE << 20) | (cpu << 12));

 	if(ok64) pcicfgw32(pci, cap + MSIAddr + 4, 0);

-	pcicfgw16(pci, cap + ok64 ? MSIData64 : MSIData32, vno | (1<<14));

+	pcicfgw16(pci, cap + (ok64 ? MSIData64 : MSIData32), vno | (1<<14));

 	pcicfgw16(pci, cap + MSICtrl, 1);

 	print("msiintrenable: success with tbdf %.8x, vector %d, cpu %d\n", tbdf, vno, cpu);

 	v->isr = lapicisr;

-- 

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