From: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>
Flushing TB cache is required because TBs key in the cache may match
different code which existed in the previous state.
Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>
Signed-off-by: Maria Klimushenkova <maria.klimushenk...@ispras.ru>
Message-Id: <20180110134846.12940.99993.stgit@pasha-VirtualBox>
[Add comment suggested by Peter Maydell. - Paolo]
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Pavel Dovgalyuk <pavel.dovga...@ispras.ru>
---
exec.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/exec.c b/exec.c
index 9f4f450..d28fc0c 100644
--- a/exec.c
+++ b/exec.c
@@ -623,6 +623,13 @@ static int cpu_common_post_load(void *opaque, int
version_id)
cpu->interrupt_request &= ~0x01;
tlb_flush(cpu);
+ /* loadvm has just updated the content of RAM, bypassing the
+ * usual mechanisms that ensure we flush TBs for writes to
+ * memory we've translated code from. So we must flush all TBs,
+ * which will now be stale.
+ */
+ tb_flush(cpu);
+
return 0;
}
--
1.8.3.1
