sema-svc: apply releases before push memsets; poller: bypass read cache

1 files changed, 4 insertions, 3 deletions

diff --git a/tools/guest-diag/semfix_watch.py b/tools/guest-diag/semfix_watch.py
index 1fc6b01..1c33de6 100644
--- a/tools/guest-diag/semfix_watch.py
+++ b/tools/guest-diag/semfix_watch.py
@@ -96,16 +96,17 @@ class Qmp:
     def hmp(self, line):
         return self.cmd("human-monitor-command", **{"command-line": line}).get("return", "")
 
-    def read64(self, addr, n=1):
+    def read64(self, addr, n=1, cache=True):
         key = (addr, n)
-        if key in self._cache:
+        if cache and key in self._cache:
             return self._cache[key]
         out = self.hmp("x/%dgx 0x%x" % (n, addr))
         m = re.search(r":(.*)$", out, re.S)
         if not m:
             return []
         vals = [int(x, 16) for x in re.findall(r"0x([0-9a-fA-F]+)", m.group(1))][:n]
-        self._cache[key] = vals
+        if cache:
+            self._cache[key] = vals
         return vals
 
     def gva2gpa(self, va):