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[PATCH 1/2] vhost: Don't pass ram device sections
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From: |
Dr. David Alan Gilbert (git) |
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Subject: |
[PATCH 1/2] vhost: Don't pass ram device sections |
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Date: |
Wed, 8 Jan 2020 13:53:52 +0000 |
From: "Dr. David Alan Gilbert" <address@hidden>
Don't pass RAM blocks that are marked as ram devices to vhost.
There's normally something special about them and they're not
normally just shared memory.
Signed-off-by: Dr. David Alan Gilbert <address@hidden>
---
hw/virtio/vhost.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 4da0d5a6c5..c81f0be71b 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -402,6 +402,7 @@ static bool vhost_section(struct vhost_dev *dev,
MemoryRegionSection *section)
bool log_dirty = memory_region_get_dirty_log_mask(section->mr) &
~(1 << DIRTY_MEMORY_MIGRATION);
result = memory_region_is_ram(section->mr) &&
+ !memory_region_is_ram_device(section->mr) &&
!memory_region_is_rom(section->mr);
/* Vhost doesn't handle any block which is doing dirty-tracking other
--
2.24.1