Re: [PATCH 0/3] eliminate remaining places that abuse memory_region_allocate_system_memory()

[Philippe Mathieu-Daudé]

Hi Igor,

On 10/8/19 1:33 PM, Igor Mammedov wrote:
> Series cleans up remaining boards that call 
> memory_region_allocate_system_memory()
> multiple times, violating interface contract (the function should be called only
> once).
>
> With that cleaned up, it should be possible to switch from adhoc RAM allocation
> in memory_region_allocate_system_memory()->allocate_system_memory_nonnuma() to
> memory-backend based allocation, remaining roadblock for doing it is deprecated
> -mem-path fallback to RAM allocation, which is scheduled for removal at 4.3
> merge window. So remaining patches to consolidate system RAM allocation around
> memory-backends and aliasing -mem-path/mem-prealloc to it are postponed till
> then.
>
>
> Igor Mammedov (3):
>    sparc64: use memory_region_allocate_system_memory() only for '-m'
>      specified RAM
>    ppc: rs6000_mc: drop usage of memory_region_allocate_system_memory()
>    hppa: drop usage of memory_region_allocate_system_memory() for ROM
>
>   hw/hppa/machine.c    |  5 ++---
>   hw/ppc/rs6000_mc.c   | 15 ++++++++++-----
>   hw/sparc64/niagara.c | 25 +++++++++++++------------

What about the TYPE_SUN4M_MEMORY device in hw/sparc/sun4m.c?