Blame qemu-vhost-fix-dirty-page-handling.patch

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