On 17/11/2014 15:58, Ard Biesheuvel wrote: > Readonly memslots are often used to implement emulation of ROMs and > NOR flashes, in which case the guest may legally map these regions as > uncached. > To deal with the incoherency associated with uncached guest mappings, > treat all readonly memslots as incoherent, and ensure that pages that > belong to regions tagged as such are flushed to DRAM before being passed > to the guest.
On x86, the processor combines the cacheability values from the two levels of page tables. Is there no way to do the same on ARM? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
