* Peter Maydell (peter.mayd...@linaro.org) wrote: > On Tue, 19 Mar 2019 at 11:03, Dr. David Alan Gilbert > <dgilb...@redhat.com> wrote: > > > > * Peter Maydell (peter.mayd...@linaro.org) wrote: > > > I didn't think migration distinguished between "main memory" > > > and any other kind of RAMBlock-backed memory ? > > > > In Yury's case there's a distinction between RAMBlock's that are mapped > > with RAM_SHARED (which normally ends up as MAP_SHARED) and all others. > > You can set that for main memory by using -numa to specify a memdev > > that's backed by a file and has the share=on property. > > > > On x86 the ROMs end up as separate RAMBlock's that aren't affected > > by that -numa/share=on - so they don't fight Yury's trick. > > You can use the generic loader on x86 to load an ELF file > into RAM if you want, which would I think also trigger this.
OK, although that doesn't worry me too much - since in the majority of cases Yury's trick still works well. I wonder if there's a way to make Yury's code to detect these cases and not allow the feature; the best thing for the moment would seem to be to skip the aarch test that uses elf loading. Dave > thanks > -- PMM -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
