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>

1 files changed, 24 insertions, 0 deletions

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ff373a7083..65b6f46f90 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -1374,6 +1374,9 @@ sub process {
 	my $in_header_lines = $file ? 0 : 1;
 	my $in_commit_log = 0;		#Scanning lines before patch
 	my $reported_maintainer_file = 0;
+	my $reported_mixing_imported_file = 0;
+	my $in_imported_file = 0;
+	my $in_no_imported_file = 0;
 	my $non_utf8_charset = 0;
 
 	our @report = ();
@@ -1673,6 +1676,27 @@ sub process {
 # ignore non-hunk lines and lines being removed
 		next if (!$hunk_line || $line =~ /^-/);
 
+# Check that updating imported files from Linux are not mixed with other changes
+		if ($realfile =~ /^(linux-headers|include\/standard-headers)\//) {
+			if (!$in_imported_file) {
+				WARN("added, moved or deleted file(s) " .
+				     "imported from Linux, are you using " .
+				     "scripts/update-linux-headers.sh?\n" .
+				     $herecurr);
+			}
+			$in_imported_file = 1;
+		} else {
+			$in_no_imported_file = 1;
+		}
+
+		if (!$reported_mixing_imported_file &&
+		    $in_imported_file && $in_no_imported_file) {
+			ERROR("headers imported from Linux should be self-" .
+			      "contained in a patch with no other changes\n" .
+			      $herecurr);
+			$reported_mixing_imported_file = 1;
+		}
+
 # ignore files that are being periodically imported from Linux
 		next if ($realfile =~ /^(linux-headers|include\/standard-headers)\//);