Re: [Qemu-devel] [PATCH v4 3/3] intel_iommu: allow UNMAP notifiers

2016-09-13 Thread David Gibson
On Fri, Sep 09, 2016 at 10:57:44AM +0800, Peter Xu wrote: > Intel vIOMMU is still lacking of a complete IOMMU notifier mechanism. > Before that is achieved, let's open a door for vhost DMAR support, which > only requires cache invalidations (UNMAP operations). > > Meanwhile, converting hw_error()

[Qemu-devel] [PATCH v4 3/3] intel_iommu: allow UNMAP notifiers

2016-09-08 Thread Peter Xu
Intel vIOMMU is still lacking of a complete IOMMU notifier mechanism. Before that is achieved, let's open a door for vhost DMAR support, which only requires cache invalidations (UNMAP operations). Meanwhile, converting hw_error() to error_report() and exit(1), to make the error messages clean and