Merge tag 'pull-maintainer-9.1-rc3-160824-1' of https://gitlab.com/stsquad/qemu into staging

Some fixes for 9.1-rc3 (build, replay, docs, plugins)

  - re-enable gdbsim-r5f562n8 test
  - ensure updates to python deps re-trigger configure
  - tweak configure detection of GDB MTE support
  - make checkpatch emit more warnings on updating headers
  - allow i386 access_ptr to force slow path for plugins
  - fixe some replay regressions
  - update the replay-dump tool
  - better handle muxed chardev during replay
  - clean up TCG plugins docs to mention scoreboards
  - fix plugin scoreboard race condition

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* tag 'pull-maintainer-9.1-rc3-160824-1' of https://gitlab.com/stsquad/qemu: (21 commits)
  plugins: fix race condition with scoreboards
  docs/devel: update tcg-plugins page
  docs: Fix some typos (found by typos) and grammar issues
  savevm: Fix load_snapshot error path crash
  virtio-net: Use virtual time for RSC timers
  virtio-net: Use replay_schedule_bh_event for bhs that affect machine state
  chardev: set record/replay on the base device of a muxed device
  tests/avocado: replay_kernel.py add x86-64 q35 machine test
  Revert "replay: stop us hanging in rr_wait_io_event"
  replay: allow runstate shutdown->running when replaying trace
  tests/avocado: excercise scripts/replay-dump.py in replay tests
  scripts/replay-dump.py: rejig decoders in event number order
  scripts/replay-dump.py: Update to current rr record format
  buildsys: Fix building without plugins on Darwin
  target/i386: allow access_ptr to force slow path on failed probe
  scripts/checkpatch: more checks on files imported from Linux
  configure: Fix GDB version detection for GDB_HAS_MTE
  configure: Avoid use of param. expansion when using gdb_version
  configure: Fix arch detection for GDB_HAS_MTE
  Makefile: trigger re-configure on updated pythondeps
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

3 files changed, 39 insertions, 4 deletions

diff --git a/tests/avocado/machine_rx_gdbsim.py b/tests/avocado/machine_rx_gdbsim.py
index 9a0bec8..6bd9ce8 100644
--- a/tests/avocado/machine_rx_gdbsim.py
+++ b/tests/avocado/machine_rx_gdbsim.py
@@ -22,8 +22,6 @@ class RxGdbSimMachine(QemuSystemTest):
     timeout = 30
     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
 
-    @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test is unstable on GitLab')
-
     def test_uboot(self):
         """
         U-Boot and checks that the console is operational.
diff --git a/tests/avocado/replay_kernel.py b/tests/avocado/replay_kernel.py
index 232d287..e22c200 100644
--- a/tests/avocado/replay_kernel.py
+++ b/tests/avocado/replay_kernel.py
@@ -13,6 +13,7 @@ import lzma
 import shutil
 import logging
 import time
+import subprocess
 
 from avocado import skip
 from avocado import skipUnless
@@ -31,7 +32,7 @@ class ReplayKernelBase(LinuxKernelTest):
     terminates.
     """
 
-    timeout = 120
+    timeout = 180
     KERNEL_COMMON_COMMAND_LINE = 'printk.time=1 panic=-1 '
 
     def run_vm(self, kernel_path, kernel_command_line, console_pattern,
@@ -63,6 +64,8 @@ class ReplayKernelBase(LinuxKernelTest):
             vm.shutdown()
             logger.info('finished the recording with log size %s bytes'
                         % os.path.getsize(replay_path))
+            self.run_replay_dump(replay_path)
+            logger.info('successfully tested replay-dump.py')
         else:
             vm.wait()
             logger.info('successfully finished the replay')
@@ -70,6 +73,14 @@ class ReplayKernelBase(LinuxKernelTest):
         logger.info('elapsed time %.2f sec' % elapsed)
         return elapsed
 
+    def run_replay_dump(self, replay_path):
+        try:
+            subprocess.check_call(["./scripts/replay-dump.py",
+                                   "-f", replay_path],
+                                  stdout=subprocess.DEVNULL)
+        except subprocess.CalledProcessError:
+            self.fail('replay-dump.py failed')
+
     def run_rr(self, kernel_path, kernel_command_line, console_pattern,
                shift=7, args=None):
         replay_path = os.path.join(self.workdir, 'replay.bin')
@@ -99,7 +110,7 @@ class ReplayKernelNormal(ReplayKernelBase):
         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 
     # See https://gitlab.com/qemu-project/qemu/-/issues/2094
-    @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'Test sometimes gets stuck')
+    @skipUnless(os.getenv('QEMU_TEST_FLAKY_TESTS'), 'pc machine is unstable with replay')
     def test_x86_64_pc(self):
         """
         :avocado: tags=arch:x86_64
@@ -117,6 +128,22 @@ class ReplayKernelNormal(ReplayKernelBase):
 
         self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
 
+    def test_x86_64_q35(self):
+        """
+        :avocado: tags=arch:x86_64
+        :avocado: tags=machine:q35
+        """
+        kernel_url = ('https://archives.fedoraproject.org/pub/archive/fedora'
+                      '/linux/releases/29/Everything/x86_64/os/images/pxeboot'
+                      '/vmlinuz')
+        kernel_hash = '23bebd2680757891cf7adedb033532163a792495'
+        kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
+
+        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=ttyS0'
+        console_pattern = 'VFS: Cannot open root device'
+
+        self.run_rr(kernel_path, kernel_command_line, console_pattern, shift=5)
+
     def test_mips_malta(self):
         """
         :avocado: tags=arch:mips
diff --git a/tests/avocado/replay_linux.py b/tests/avocado/replay_linux.py
index b467326..5916922 100644
--- a/tests/avocado/replay_linux.py
+++ b/tests/avocado/replay_linux.py
@@ -94,6 +94,8 @@ class ReplayLinux(LinuxTest):
             vm.shutdown()
             logger.info('finished the recording with log size %s bytes'
                 % os.path.getsize(replay_path))
+            self.run_replay_dump(replay_path)
+            logger.info('successfully tested replay-dump.py')
         else:
             vm.event_wait('SHUTDOWN', self.timeout)
             vm.wait()
@@ -108,6 +110,14 @@ class ReplayLinux(LinuxTest):
         logger = logging.getLogger('replay')
         logger.info('replay overhead {:.2%}'.format(t2 / t1 - 1))
 
+    def run_replay_dump(self, replay_path):
+        try:
+            subprocess.check_call(["./scripts/replay-dump.py",
+                                   "-f", replay_path],
+                                  stdout=subprocess.DEVNULL)
+        except subprocess.CalledProcessError:
+            self.fail('replay-dump.py failed')
+
 @skipUnless(os.getenv('AVOCADO_TIMEOUT_EXPECTED'), 'Test might timeout')
 class ReplayLinuxX8664(ReplayLinux):
     """