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vhost was passing a physical address to cpu_physical_memory_set_dirty,
which is wrong: we need to translate to ram address first.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Note: this lead to crashes during migration, so the patch
is needed on the stable branch too.
---
hw/vhost.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/hw/vhost.c b/hw/vhost.c
index aaa34e4..97a1299 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -49,8 +49,10 @@ static void vhost_dev_sync_region(struct vhost_dev *dev,
log = __sync_fetch_and_and(from, 0);
while ((bit = sizeof(log) > sizeof(int) ?
ffsll(log) : ffs(log))) {
+ ram_addr_t ram_addr;
bit -= 1;
- cpu_physical_memory_set_dirty(addr + bit * VHOST_LOG_PAGE);
+ ram_addr = cpu_get_physical_page_desc(addr + bit * VHOST_LOG_PAGE);
+ cpu_physical_memory_set_dirty(ram_addr);
log &= ~(0x1ull << bit);
}
addr += VHOST_LOG_CHUNK;
--
1.7.3.2.91.g446ac
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