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hostdev: skip ACS check when using VFIO for device assignment

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The ACS checks are meaningless when using the more modern VFIO driver
for device assignment since VFIO has its own more complete and exact
checks, but I didn't realize that when I added support for VFIO. This
patch eliminates the ACS check when preparing PCI devices for
assignment if VFIO is being used.

This resolves:

  https://bugzilla.redhat.com/show_bug.cgi?id=1256486
This commit is contained in:
Laine Stump 2015-08-26 02:04:23 -04:00
parent eff95ac8fc
commit 108d591b11
1 changed files with 2 additions and 3 deletions
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5
src/util/virhostdev.c
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@ -1,6 +1,6 @@
/* virhostdev.c: hostdev management
*
* Copyright (C) 2006-2007, 2009-2013 Red Hat, Inc.
* Copyright (C) 2006-2007, 2009-2015 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
* Copyright (C) 2014 SUSE LINUX Products GmbH, Nuernberg, Germany.
*
@ -230,7 +230,6 @@ virHostdevGetPCIHostDeviceList(virDomainHostdevDefPtr *hostdevs, int nhostdevs)
virObjectUnref(list);
return NULL;
}
if (virPCIDeviceListAdd(list, dev) < 0) {
virPCIDeviceFree(dev);
virObjectUnref(list);
@ -579,7 +578,7 @@ virHostdevPreparePCIDevices(virHostdevManagerPtr hostdev_mgr,
struct virHostdevIsPCINodeDeviceUsedData data = {hostdev_mgr, dom_name,
usesVfio};
if (!virPCIDeviceIsAssignable(dev, strict_acs_check)) {
if (!usesVfio && !virPCIDeviceIsAssignable(dev, strict_acs_check)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("PCI device %s is not assignable"),
virPCIDeviceGetName(dev));