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memory-mapping: skip non-volatile memory regions in GuestPhysBlockList 

GuestPhysBlockList is currently used to produce dumps. Given the size
and the typical usage of NVDIMM for storage, they are not a good idea
to have in the dumps. We may want to have an extra dump option to
include them. For now, skip non-volatile regions.

The TCG memory clear function is going to use the GuestPhysBlockList
as well, and will thus skip NVDIMM for similar reasons.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20181003114454.5662-4-marcandre.lureau@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Marc-André Lureau 2018-10-03 15:44:54 +04:00 committed by Paolo Bonzini
parent 640713d8a1
commit 17a6ddb6fa
1 changed files with 2 additions and 1 deletions
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memory_mapping.c
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@ -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;
}