binfmt_misc configured with the "F" flag opens the interpreter at
config time. This means it can use an already open file-descriptor to
run QEMU so there is no point trying to copy the binary into a
container.
Signed-off-by: Alex Bennée <alex.ben...@linaro.org>
---
tests/docker/docker.py | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tests/docker/docker.py b/tests/docker/docker.py
index 30f463af9f..768728785f 100755
--- a/tests/docker/docker.py
+++ b/tests/docker/docker.py
@@ -127,6 +127,11 @@ def _check_binfmt_misc(executable):
with open(binfmt_entry) as x: entry = x.read()
+ if re.search("flags:.*F.*\n", entry):
+ print("binfmt_misc for %s uses persistent(F) mapping to host binary\n"
%
+ (binary))
+ return None
+
m = re.search("interpreter (\S+)\n", entry)
interp = m.group(1)
if interp and interp != executable:
--
2.20.1
