Hi Paolo, On 06/13/2018 03:53 PM, Paolo Bonzini wrote: > On 13/06/2018 15:44, Auger Eric wrote: >>> Queuing this patch. I'm not sure how I missed this, I have actually >>> tested it with SMMU. >> no problem. Strange also I was the only one facing the issue. > > No, I must have blundered it between testing and posting the patches. > >>> Do you also need the MemTxAttrs so that the right PCI requestor id is >>> used, or do you get it from somewhere else? >> which call site do you have in mind, sorry? > > I'm wondering if the MemoryRegionCache needs to store the MemTxAttrs. > They would be passed to address_space_init_cache.
I acknowledge I don't master this code enough but I would say MSI wouldn't work already (vITS wouldn't translate them properly) if the proper requester_id wasn't conveyed properly. MSI writes to the doorbell are not cached I guess? Thanks Eric > > Paolo >
