Re: [PATCH v2 3/8] arm/xen: implement correctly pfn_to_mfn

2015-08-05 Thread Stefano Stabellini
On Tue, 4 Aug 2015, Julien Grall wrote: > After the commit introducing convertion between DMA and guest address, ^ addresses > all the callers of pfn_to_mfn are expecting to get a GFN (Guest Frame > Number). On ARM, all the guests a

[PATCH v2 3/8] arm/xen: implement correctly pfn_to_mfn

2015-08-04 Thread Julien Grall
After the commit introducing convertion between DMA and guest address, all the callers of pfn_to_mfn are expecting to get a GFN (Guest Frame Number). On ARM, all the guests are auto-translated so the GFN is equal to the Linux PFN (Pseudo-physical Frame Number). The current implementation may retur