Merge branch 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6

* 'misc' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6: (39 commits)
  Revert "namespace: add source file location exceptions"
  Coccinelle: Add contextual message
  Coccinelle: Fix documentation
  Coccinelle: Find doubled arguments to boolean or bit operators.
  Coccinelle: Find nested lock+irqsave functions that use the same flags variables.
  namespace: add source file location exceptions
  scripts/extract-ikconfig: add support for bzip2, lzma and lzo
  kbuild: check return value of asprintf()
  scripts/namespace.pl: improve to get more correct results
  scripts/namespace.pl: some bug fixes
  scripts/namespace.pl: update file exclusion list
  scripts/namespace.pl: fix wrong source path
  Coccinelle: Use the -no_show_diff option for org and report mode
  Coccinelle: Add a new mode named 'chain'
  Coccinelle: Use new comment format to explain kfree.cocci
  Coccinelle: Improve user information with a new kind of comment
  Coccinelle: Update documentation
  MAINTAINERS: Coccinelle: Update email address
  Documentation/kbuild: modules.txt cleanup
  Documentation/kbuild: major edit of modules.txt sections 5-8
  ...

1 files changed, 36 insertions, 10 deletions

diff --git a/scripts/coccicheck b/scripts/coccicheck
index b8bcf1f7bed7..1bb1a1bd2daa 100755
--- a/scripts/coccicheck
+++ b/scripts/coccicheck
@@ -16,6 +16,7 @@ if [ "$C" = "1" -o "$C" = "2" ]; then
 else
     ONLINE=0
     FLAGS="-very_quiet"
+    OPTIONS="-dir $srctree"
 fi
 
 if [ ! -x "$SPATCH" ]; then
@@ -25,11 +26,13 @@ fi
 
 if [ "$MODE" = "" ] ; then
     if [ "$ONLINE" = "0" ] ; then
-        echo 'You have not explicitly specify the mode to use. Fallback to "report".'
+        echo 'You have not explicitly specified the mode to use. Using default "chain" mode.'
+        echo 'All available modes will be tried (in that order): patch, report, context, org'
         echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
-        echo 'Available modes are: report, patch, context, org'
     fi
-    MODE="report"
+    MODE="chain"
+elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
+    FLAGS="$FLAGS -no_show_diff"
 fi
 
 if [ "$ONLINE" = "0" ] ; then
@@ -44,7 +47,7 @@ coccinelle () {
 
     OPT=`grep "Option" $COCCI | cut -d':' -f2`
 
-#   The option '-parse_cocci' can be used to syntaxically check the SmPL files.
+#   The option '-parse_cocci' can be used to syntactically check the SmPL files.
 #
 #    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
 
@@ -52,21 +55,44 @@ coccinelle () {
 
         FILE=`echo $COCCI | sed "s|$srctree/||"`
 
-        echo "Processing `basename $COCCI` with option(s) \"$OPT\""
+        echo "Processing `basename $COCCI`"
+        echo "with option(s) \"$OPT\""
+        echo ''
         echo 'Message example to submit a patch:'
 
-        sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
-
-        echo ' The semantic patch that makes this change is available'
+        sed -ne 's|^///||p' $COCCI
+
+        if [ "$MODE" = "patch" ] ; then
+            echo ' The semantic patch that makes this change is available'
+        elif [ "$MODE" = "report" ] ; then
+            echo ' The semantic patch that makes this report is available'
+        elif [ "$MODE" = "context" ] ; then
+            echo ' The semantic patch that spots this code is available'
+        elif [ "$MODE" = "org" ] ; then
+            echo ' The semantic patch that makes this Org report is available'
+        else
+            echo ' The semantic patch that makes this output is available'
+        fi
         echo " in $FILE."
         echo ''
         echo ' More information about semantic patching is available at'
         echo ' http://coccinelle.lip6.fr/'
         echo ''
 
-        $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT -dir $srctree || exit 1
+        if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
+            echo 'Semantic patch information:'
+            sed -ne 's|^//#||p' $COCCI
+            echo ''
+        fi
+    fi
+
+    if [ "$MODE" = "chain" ] ; then
+        $SPATCH -D patch   $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+        $SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
+        $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
+        $SPATCH -D org     $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
     else
-        $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
+        $SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
     fi
 
 }