haraldwolff/qemu-patch-raspberry4
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vhost: fix incorrect userspace address

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MemoryListener::region_add() gives us a slice of a MemoryRegion, not a
region.  Adjust the userspace address to reflect that.

Signed-off-by: Avi Kivity <avi@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Avi Kivity 2012-01-09 13:09:40 +02:00
parent e7f929028c
commit d743c38286
1 changed files with 1 additions and 1 deletions
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2
hw/vhost.c
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@ -378,7 +378,7 @@ static void vhost_set_memory(MemoryListener *listener,
assert(size);
/* Optimize no-change case. At least cirrus_vga does this a lot at this time. */
ram = memory_region_get_ram_ptr(section->mr);
ram = memory_region_get_ram_ptr(section->mr) + section->offset_within_region;
if (add) {
if (!vhost_dev_cmp_memory(dev, start_addr, size, (uintptr_t)ram)) {
/* Region exists with same address. Nothing to do. */