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

[Paolo Bonzini <pbonzini@redhat.com>]

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.

Paolo