On Tue, 2008-12-02 at 22:22 +0800, Han, Weidong wrote: > By default, one domain owns one device, like native VT-d usage. > > For kvm VT-d usage, more than one devices across iommus may be > assigned to one domain, flag DOMAIN_FLAG_VIRTUAL_MACHINE is for this > usage. > > Signed-off-by: Weidong Han <[EMAIL PROTECTED]> > --- > drivers/pci/intel-iommu.c | 3 ++- > include/linux/dma_remapping.h | 11 ++++++++++- > 2 files changed, 12 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c > index fa1507b..09a5150 100644 > --- a/drivers/pci/intel-iommu.c > +++ b/drivers/pci/intel-iommu.c > @@ -989,6 +989,7 @@ static struct dmar_domain * iommu_alloc_domain(struct > intel_iommu *iommu) > domain->iommu_coherency = 0; > > iommu->domains[num] = domain; > + domain->flags = 0; > spin_unlock_irqrestore(&iommu->lock, flags);
This looks like a bugfix. Does it need to be fixed in 2.6.28? > > return domain; > @@ -1387,7 +1388,7 @@ static struct dmar_domain *get_domain_for_dev(struct > pci_dev *pdev, int gaw) > info->dev = NULL; > info->domain = domain; > /* This domain is shared by devices under p2p bridge */ > - domain->flags |= DOMAIN_FLAG_MULTIPLE_DEVICES; > + domain->flags |= DOMAIN_FLAG_P2P_MULTIPLE_DEVICES; Renaming this flag should probably be a separate patch. Cheers, Mark. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
