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Code Issues Releases Activity

Mask off the vector from the MSI-x data word.

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Some o/s's set the trigger-mode level bit which
results in an invalid vector and pass-thru interrupts
not being delivered.
This commit is contained in:
Peter Grehan 2013-09-07 03:33:36 +00:00
parent 05f7eb31a2
commit 8a02f69652
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=255342
1 changed files with 1 additions and 1 deletions
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2
sys/amd64/vmm/io/ppt.c
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@ -568,7 +568,7 @@ ppt_setup_msix(struct vm *vm, int vcpu, int bus, int slot, int func,
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 */