On Fri, 4 Dec 2009 12:15:21 -0800 Chris Wright <chrisw@xxxxxxxxxxxx> wrote: > Commit ae21ee65e8bc228416bbcc8a1da01c56a847a60c "PCI: acs p2p upsteram > forwarding enabling" doesn't actually enable ACS. > > Add a function to pci core to allow an IOMMU to request that ACS > be enabled. The existing mechanism of using iommu_found() in the pci > core to know when ACS should be enabled doesn't actually work due to > initialization order; iommu has only been detected not initialized. > > Have Intel and AMD IOMMUs request ACS, and Xen does as well during > early init of dom0. > > Cc: Allen Kay <allen.m.kay@xxxxxxxxx> > Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> > Cc: Jeremy Fitzhardinge <jeremy@xxxxxxxx> > Cc: Joerg Roedel <joerg.roedel@xxxxxxx> > Signed-off-by: Chris Wright <chrisw@xxxxxxxxxxxx> Applied this one, thanks. -- Jesse Barnes, Intel Open Source Technology Center -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
