Re: [Qemu-devel] [PATCH 3/3] memory-mapping: skip non-volatile memory regions in GuestPhysBlockList

[Laszlo Ersek <lersek@redhat.com>]

On 10/29/18 10:50, Paolo Bonzini wrote:
> On 03/10/2018 13:44, Marc-André Lureau wrote:
>> diff --git a/memory_mapping.c b/memory_mapping.c
>> index 775466f3a8..724dd0b417 100644
>> --- a/memory_mapping.c
>> +++ b/memory_mapping.c
>> @@ -206,7 +206,8 @@ static void guest_phys_blocks_region_add(MemoryListener *listener,
>>  
>>      /* we only care about RAM */
>>      if (!memory_region_is_ram(section->mr) ||
>> -        memory_region_is_ram_device(section->mr)) {
>> +        memory_region_is_ram_device(section->mr) ||
>> +        memory_region_is_nonvolatile(section->mr)) {
>>          return;
>>      }
>>  
> 
> We should also have
> 
> diff --git a/scripts/dump-guest-memory.py b/scripts/dump-guest-memory.py
> index 5a857cebcf..dd180b531c 100644
> --- a/scripts/dump-guest-memory.py
> +++ b/scripts/dump-guest-memory.py
> @@ -417,7 +417,9 @@ def get_guest_phys_blocks():
>          memory_region = flat_range["mr"].dereference()
> 
>          # we only care about RAM
> -        if not memory_region["ram"]:
> +        if not memory_region["ram"] \
> +           or memory_region["ram_device"] \
> +           or memory_region["nonvolatile"]:
>              continue
> 
>          section_size = int128_get64(flat_range["addr"]["size"])
> 
> here.  I queued the patches and will post this soon as a separate patch.

Thanks. I keep forgetting that this logic is duplicated.

Laszlo