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| author | Allen Kay <allen.m.kay@intel.com> | 2011-02-01 19:10:56 +0000 |
|---|---|---|
| committer | Allen Kay <allen.m.kay@intel.com> | 2011-02-01 19:10:56 +0000 |
| commit | 4bf774a903153931e98afbe009f1acb54af85d7a (patch) | |
| tree | 572915070e1d98b65ceaff43aadf5c41283d717e | |
| parent | 188eb6099a7e14bf58776f0afc04a8b0ebed935b (diff) | |
| download | xen-4bf774a903153931e98afbe009f1acb54af85d7a.tar.gz xen-4bf774a903153931e98afbe009f1acb54af85d7a.tar.bz2 xen-4bf774a903153931e98afbe009f1acb54af85d7a.zip | |
passthrough/vtd: disable 64-bit MMCFG quirk on 32-bit Xen
Attached patch disables pci_vtd_quirk for 32-bit Xen since 32-bit xen
does not support MMCFG access.
Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Committed-by: Ian Jackson <ian.jackson@eu.citrix.com>
| -rw-r--r-- | xen/drivers/passthrough/vtd/quirks.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/xen/drivers/passthrough/vtd/quirks.c b/xen/drivers/passthrough/vtd/quirks.c index f4f6060576..ef6c8d0f29 100644 --- a/xen/drivers/passthrough/vtd/quirks.c +++ b/xen/drivers/passthrough/vtd/quirks.c @@ -352,6 +352,7 @@ void me_wifi_quirk(struct domain *domain, u8 bus, u8 devfn, int map) */ void pci_vtd_quirk(struct pci_dev *pdev) { +#ifdef CONFIG_X86_64 int bus = pdev->bus; int dev = PCI_SLOT(pdev->devfn); int func = PCI_FUNC(pdev->devfn); @@ -363,4 +364,5 @@ void pci_vtd_quirk(struct pci_dev *pdev) val = pci_conf_read32(bus, dev, func, 0x1AC); pci_conf_write32(bus, dev, func, 0x1AC, val | (1 << 31)); } +#endif } |