Re: [Qemu-devel] [RFC] memory: use memory_region_init_ram() instead of memory_region_allocate_system_memory()

[Igor Mammedov <imammedo@redhat.com>]

On Fri, 15 Feb 2019 19:18:50 +0100
Paolo Bonzini <pbonzini@redhat.com> wrote:

> On 15/02/19 16:42, Igor Mammedov wrote:
> >>
> >> What about -m, too?  Then you'd specify a memdev instead of the initial
> >> memory size.
> > that somewhat what I've planned,
> > make -m X translate into -object memory-backend-ram,id=magically-get-what-board-uses-now,size=X -machine memdev=thatid
> > 
> > one more reason for memdev vs device is that -numa now uses memdevs and so far it
> > doesn't look that non-numa initial RAM would get immediate benefits from using -device
> > on most boards (well, I couldn't come up with any modulo backend/frontend consistent usage)
> 
> What I meant is what about making the non-NUMA option -m memdev=thatid
> (and the automatic translation you mention too).  Yes, bikeshedding. :)
sure, I can add it,
it would be just an alias to machine.memdev


> 
> Paolo
>