> From: Chen, Tiejun > Sent: Thursday, August 27, 2015 5:05 PM > > On 8/27/2015 4:40 PM, Malcolm Crossley wrote: > > On 27/08/15 03:59, Chen, Tiejun wrote: > >> This kind of issue is already gone. > >> > >> https://www.mail-archive.com/xen-devel@lists.xen.org/msg32464.html > > > > There is a bug in the code you refer to above which results in no IOMMU > > page table > > mappings being created if the guest domain is not sharing it's EPT page > > tables with > > the IOMMU. > > > > set_identity_p2m_entry only configures the EPT page tables and does not > > configure > > the IOMMU page tables. > > Okay, I got what you mean. > > Instead, could you insert iommu_{map,unmap_page() into > {set,clear}_identity_p2m_entry()? I think this can make > {set,clear}_identity_p2m_entry approachable in all circumstances. > > Kevin and Jan, > > Is this fine? >
Yes that is the right thing to do. It's a bit surprise to me that it's not there yet. :-) Thanks Kevin _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
