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 */
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