On Thu, May 02, 2019 at 06:28:06AM -0600, Jan Beulich wrote: > There's an invocation of iommu_flush_all() immediately afterwards. > > Signed-off-by: Jan Beulich <[email protected]> > > --- a/xen/drivers/passthrough/vtd/iommu.c > +++ b/xen/drivers/passthrough/vtd/iommu.c > @@ -1310,8 +1310,11 @@ static void __hwdom_init intel_iommu_hwd > > setup_hwdom_pci_devices(d, setup_hwdom_device); > setup_hwdom_rmrr(d); > + > /* Make sure workarounds are applied before enabling the IOMMU(s). */ > + this_cpu(iommu_dont_flush_iotlb) = true; > arch_iommu_hwdom_init(d); > + this_cpu(iommu_dont_flush_iotlb) = false;
Don't you want to also avoid flushes in setup_hwdom_rmrr and setup_hwdom_pci_devices? Thanks, Roger. _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
