On Tue, Jul 02, 2013 at 12:10:17PM +0100, Peter Maydell wrote: > On 2 July 2013 11:57, Paul Durrant <[email protected]> wrote: > >> -----Original Message----- > >> From: Paolo Bonzini [mailto:[email protected]] > >> > So the reason to place the device here is TARGET_PAGE_SIZE... > >> > We really need a way to access that value from common code, > >> > somewhere down my TODO list. :/ > > We probably don't, because it generally doesn't mean what you > think it does. It's the smallest possible page size the guest > CPU supports, which may not be the same as the actual page > size the guest OS is using. > > >> Why does it need to be in pages rather than bytes? > > > It doesn't necessarily need to be in pages; it's just a more > > convenient quantity than bytes. > > It isn't really more convienient, because the guest would have > to tell QEMU what the page size was. (I'm told that virtio is > planning to move to a simple "just use a byte count" approach.) > > thanks > -- PMM
Yes, sometime in a distant future ...
