Merge branch 'x86/urgent' into x86/asm, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

3 files changed, 195 insertions, 26 deletions

diff --git a/scripts/dtc/dtx_diff b/scripts/dtc/dtx_diff
index fb86f3899e16..f9a3d8d23c64 100755
--- a/scripts/dtc/dtx_diff
+++ b/scripts/dtc/dtx_diff
@@ -321,7 +321,7 @@ fi
 cpp_flags="\
 	-nostdinc                                  \
 	-I${srctree}/arch/${ARCH}/boot/dts         \
-	-I${srctree}/arch/${ARCH}/boot/dts/include \
+	-I${srctree}/scripts/dtc/include-prefixes  \
 	-I${srctree}/drivers/of/testcase-data      \
 	-undef -D__DTS__"
 
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 3bd5f4f30235..bc443201d3ef 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -18,6 +18,7 @@ my $V = '0.26';
 
 use Getopt::Long qw(:config no_auto_abbrev);
 use Cwd;
+use File::Find;
 
 my $cur_path = fastgetcwd() . '/';
 my $lk_path = "./";
@@ -58,6 +59,7 @@ my $from_filename = 0;
 my $pattern_depth = 0;
 my $version = 0;
 my $help = 0;
+my $find_maintainer_files = 0;
 
 my $vcs_used = 0;
 
@@ -249,6 +251,7 @@ if (!GetOptions(
 		'sections!' => \$sections,
 		'fe|file-emails!' => \$file_emails,
 		'f|file' => \$from_filename,
+		'find-maintainer-files' => \$find_maintainer_files,
 		'v|version' => \$version,
 		'h|help|usage' => \$help,
 		)) {
@@ -307,36 +310,74 @@ if (!top_of_kernel_tree($lk_path)) {
 
 my @typevalue = ();
 my %keyword_hash;
+my @mfiles = ();
 
-open (my $maint, '<', "${lk_path}MAINTAINERS")
-    or die "$P: Can't open MAINTAINERS: $!\n";
-while (<$maint>) {
-    my $line = $_;
-
-    if ($line =~ m/^([A-Z]):\s*(.*)/) {
-	my $type = $1;
-	my $value = $2;
-
-	##Filename pattern matching
-	if ($type eq "F" || $type eq "X") {
-	    $value =~ s@\.@\\\.@g;       ##Convert . to \.
-	    $value =~ s/\*/\.\*/g;       ##Convert * to .*
-	    $value =~ s/\?/\./g;         ##Convert ? to .
-	    ##if pattern is a directory and it lacks a trailing slash, add one
-	    if ((-d $value)) {
-		$value =~ s@([^/])$@$1/@;
+sub read_maintainer_file {
+    my ($file) = @_;
+
+    open (my $maint, '<', "$file")
+	or die "$P: Can't open MAINTAINERS file '$file': $!\n";
+    while (<$maint>) {
+	my $line = $_;
+
+	if ($line =~ m/^([A-Z]):\s*(.*)/) {
+	    my $type = $1;
+	    my $value = $2;
+
+	    ##Filename pattern matching
+	    if ($type eq "F" || $type eq "X") {
+		$value =~ s@\.@\\\.@g;       ##Convert . to \.
+		$value =~ s/\*/\.\*/g;       ##Convert * to .*
+		$value =~ s/\?/\./g;         ##Convert ? to .
+		##if pattern is a directory and it lacks a trailing slash, add one
+		if ((-d $value)) {
+		    $value =~ s@([^/])$@$1/@;
+		}
+	    } elsif ($type eq "K") {
+		$keyword_hash{@typevalue} = $value;
 	    }
-	} elsif ($type eq "K") {
-	    $keyword_hash{@typevalue} = $value;
+	    push(@typevalue, "$type:$value");
+	} elsif (!(/^\s*$/ || /^\s*\#/)) {
+	    $line =~ s/\n$//g;
+	    push(@typevalue, $line);
 	}
-	push(@typevalue, "$type:$value");
-    } elsif (!/^(\s)*$/) {
-	$line =~ s/\n$//g;
-	push(@typevalue, $line);
     }
+    close($maint);
+}
+
+sub find_is_maintainer_file {
+    my ($file) = $_;
+    return if ($file !~ m@/MAINTAINERS$@);
+    $file = $File::Find::name;
+    return if (! -f $file);
+    push(@mfiles, $file);
 }
-close($maint);
 
+sub find_ignore_git {
+    return grep { $_ !~ /^\.git$/; } @_;
+}
+
+if (-d "${lk_path}MAINTAINERS") {
+    opendir(DIR, "${lk_path}MAINTAINERS") or die $!;
+    my @files = readdir(DIR);
+    closedir(DIR);
+    foreach my $file (@files) {
+	push(@mfiles, "${lk_path}MAINTAINERS/$file") if ($file !~ /^\./);
+    }
+}
+
+if ($find_maintainer_files) {
+    find( { wanted => \&find_is_maintainer_file,
+	    preprocess => \&find_ignore_git,
+	    no_chdir => 1,
+	}, "${lk_path}");
+} else {
+    push(@mfiles, "${lk_path}MAINTAINERS") if -f "${lk_path}MAINTAINERS";
+}
+
+foreach my $file (@mfiles) {
+    read_maintainer_file("$file");
+}
 
 #
 # Read mail address map
@@ -873,7 +914,7 @@ sub top_of_kernel_tree {
     if (   (-f "${lk_path}COPYING")
 	&& (-f "${lk_path}CREDITS")
 	&& (-f "${lk_path}Kbuild")
-	&& (-f "${lk_path}MAINTAINERS")
+	&& (-e "${lk_path}MAINTAINERS")
 	&& (-f "${lk_path}Makefile")
 	&& (-f "${lk_path}README")
 	&& (-d "${lk_path}Documentation")
diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
new file mode 100644
index 000000000000..e40b53db7f9f
--- /dev/null
+++ b/scripts/parse-maintainers.pl
@@ -0,0 +1,128 @@
+#!/usr/bin/perl -w
+
+use strict;
+
+my $P = $0;
+
+# sort comparison functions
+sub by_category($$) {
+    my ($a, $b) = @_;
+
+    $a = uc $a;
+    $b = uc $b;
+
+    # This always sorts last
+    $a =~ s/THE REST/ZZZZZZ/g;
+    $b =~ s/THE REST/ZZZZZZ/g;
+
+    return $a cmp $b;
+}
+
+sub by_pattern($$) {
+    my ($a, $b) = @_;
+    my $preferred_order = 'MRPLSWTQBCFXNK';
+
+    my $a1 = uc(substr($a, 0, 1));
+    my $b1 = uc(substr($b, 0, 1));
+
+    my $a_index = index($preferred_order, $a1);
+    my $b_index = index($preferred_order, $b1);
+
+    $a_index = 1000 if ($a_index == -1);
+    $b_index = 1000 if ($b_index == -1);
+
+    if (($a1 =~ /^F$/ && $b1 =~ /^F$/) ||
+	($a1 =~ /^X$/ && $b1 =~ /^X$/)) {
+	return $a cmp $b;
+    }
+
+    if ($a_index < $b_index) {
+	return -1;
+    } elsif ($a_index == $b_index) {
+	return 0;
+    } else {
+	return 1;
+    }
+}
+
+sub trim {
+    my $s = shift;
+    $s =~ s/\s+$//;
+    $s =~ s/^\s+//;
+    return $s;
+}
+
+sub alpha_output {
+    my ($hashref, $filename) = (@_);
+
+    open(my $file, '>', "$filename") or die "$P: $filename: open failed - $!\n";
+    foreach my $key (sort by_category keys %$hashref) {
+	if ($key eq " ") {
+	    chomp $$hashref{$key};
+	    print $file $$hashref{$key};
+	} else {
+	    print $file "\n" . $key . "\n";
+	    foreach my $pattern (sort by_pattern split('\n', %$hashref{$key})) {
+		print $file ($pattern . "\n");
+	    }
+	}
+    }
+    close($file);
+}
+
+sub file_input {
+    my ($hashref, $filename) = (@_);
+
+    my $lastline = "";
+    my $case = " ";
+    $$hashref{$case} = "";
+
+    open(my $file, '<', "$filename") or die "$P: $filename: open failed - $!\n";
+
+    while (<$file>) {
+        my $line = $_;
+
+        # Pattern line?
+        if ($line =~ m/^([A-Z]):\s*(.*)/) {
+            $line = $1 . ":\t" . trim($2) . "\n";
+            if ($lastline eq "") {
+                $$hashref{$case} = $$hashref{$case} . $line;
+                next;
+            }
+            $case = trim($lastline);
+            exists $$hashref{$case} and die "Header '$case' already exists";
+            $$hashref{$case} = $line;
+            $lastline = "";
+            next;
+        }
+
+        if ($case eq " ") {
+            $$hashref{$case} = $$hashref{$case} . $lastline;
+            $lastline = $line;
+            next;
+        }
+        trim($lastline) eq "" or die ("Odd non-pattern line '$lastline' for '$case'");
+        $lastline = $line;
+    }
+    $$hashref{$case} = $$hashref{$case} . $lastline;
+    close($file);
+}
+
+my %hash;
+my %new_hash;
+
+file_input(\%hash, "MAINTAINERS");
+
+foreach my $type (@ARGV) {
+    foreach my $key (keys %hash) {
+	if ($key =~ /$type/ || $hash{$key} =~ /$type/) {
+	    $new_hash{$key} = $hash{$key};
+	    delete $hash{$key};
+	}
+    }
+}
+
+alpha_output(\%hash, "MAINTAINERS.new");
+alpha_output(\%new_hash, "SECTION.new");
+
+exit(0);