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From: Peter Grehan <grehan@FreeBSD.org>
Date: Sat, 7 Sep 2013 03:33:37 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
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Subject: svn commit: r255342 - head/sys/amd64/vmm/io
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Author: grehan
Date: Sat Sep  7 03:33:36 2013
New Revision: 255342
URL: http://svnweb.freebsd.org/changeset/base/255342

Log:
  Mask off the vector from the MSI-x data word.
  Some o/s's set the trigger-mode level bit which
  results in an invalid vector and pass-thru interrupts
  not being delivered.

Modified:
  head/sys/amd64/vmm/io/ppt.c

Modified: head/sys/amd64/vmm/io/ppt.c
==============================================================================
--- head/sys/amd64/vmm/io/ppt.c	Sat Sep  7 03:27:13 2013	(r255341)
+++ head/sys/amd64/vmm/io/ppt.c	Sat Sep  7 03:33:36 2013	(r255342)
@@ -568,7 +568,7 @@ ppt_setup_msix(struct vm *vm, int vcpu, 
 			return (ENXIO);
 	
 		ppt->msix.arg[idx].pptdev = ppt;
-		ppt->msix.arg[idx].vec = msg;
+		ppt->msix.arg[idx].vec = msg & 0xFF;
 		ppt->msix.arg[idx].vcpu = (addr >> 12) & 0xFF;
 	
 		/* Setup the MSI-X interrupt */