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![Nicolas Pitre](/assets/img/avatar_default.png)
This patch does 3 things: 1) Output the number of commits along with the name for each author (nice to know for long lists spending more than a screen worth of commit lines). 2) Provide a switch (-n) to sort authors according to their number of commits instead of author alphabetic order. 3) Provide a switch (-s) to supress commit lines and only keep a summary of authors and the number of commits for each of them. And for good measure a short usage is displayed with -h. Signed-off-by: Nicolas Pitre <nico@cam.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
235 lines
4.6 KiB
Perl
Executable file
235 lines
4.6 KiB
Perl
Executable file
#!/usr/bin/perl -w
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use strict;
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use Getopt::Std;
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use File::Basename qw(basename dirname);
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our ($opt_h, $opt_n, $opt_s);
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getopts('hns');
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$opt_h && usage();
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sub usage {
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print STDERR "Usage: ${\basename $0} [-h] [-n] [-s] < <log_data>\n";
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exit(1);
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}
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my (%mailmap);
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my (%email);
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my (%map);
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my $pstate = 1;
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my $n_records = 0;
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my $n_output = 0;
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sub shortlog_entry($$) {
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my ($name, $desc) = @_;
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my $key = $name;
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$desc =~ s#/pub/scm/linux/kernel/git/#/.../#g;
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$desc =~ s#\[PATCH\] ##g;
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# store description in array, in email->{desc list} map
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if (exists $map{$key}) {
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# grab ref
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my $obj = $map{$key};
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# add desc to array
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push(@$obj, $desc);
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} else {
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# create new array, containing 1 item
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my @arr = ($desc);
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# store ref to array
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$map{$key} = \@arr;
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}
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}
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# sort comparison function
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sub by_name($$) {
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my ($a, $b) = @_;
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uc($a) cmp uc($b);
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}
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sub by_nbentries($$) {
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my ($a, $b) = @_;
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my $a_entries = $map{$a};
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my $b_entries = $map{$b};
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@$b_entries - @$a_entries || by_name $a, $b;
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}
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my $sort_method = $opt_n ? \&by_nbentries : \&by_name;
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sub summary_output {
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my ($obj, $num, $key);
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foreach $key (sort $sort_method keys %map) {
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$obj = $map{$key};
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$num = @$obj;
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printf "%s: %u\n", $key, $num;
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$n_output += $num;
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}
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}
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sub shortlog_output {
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my ($obj, $num, $key, $desc);
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foreach $key (sort $sort_method keys %map) {
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$obj = $map{$key};
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$num = @$obj;
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# output author
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printf "%s (%u):\n", $key, $num;
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# output author's 1-line summaries
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foreach $desc (reverse @$obj) {
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print " $desc\n";
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$n_output++;
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}
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# blank line separating author from next author
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print "\n";
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}
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}
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sub changelog_input {
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my ($author, $desc);
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while (<>) {
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# get author and email
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if ($pstate == 1) {
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my ($email);
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next unless /^[Aa]uthor:?\s*(.*?)\s*<(.*)>/;
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$n_records++;
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$author = $1;
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$email = $2;
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$desc = undef;
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# cset author fixups
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if (exists $mailmap{$email}) {
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$author = $mailmap{$email};
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} elsif (exists $mailmap{$author}) {
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$author = $mailmap{$author};
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} elsif (!$author) {
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$author = $email;
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}
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$email{$author}{$email}++;
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$pstate++;
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}
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# skip to blank line
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elsif ($pstate == 2) {
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next unless /^\s*$/;
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$pstate++;
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}
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# skip to non-blank line
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elsif ($pstate == 3) {
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next unless /^\s*?(.*)/;
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# skip lines that are obviously not
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# a 1-line cset description
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next if /^\s*From: /;
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chomp;
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$desc = $1;
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&shortlog_entry($author, $desc);
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$pstate = 1;
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}
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else {
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die "invalid parse state $pstate";
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}
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}
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}
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sub read_mailmap {
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my ($fh, $mailmap) = @_;
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while (<$fh>) {
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chomp;
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if (/^([^#].*?)\s*<(.*)>/) {
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$mailmap->{$2} = $1;
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}
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}
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}
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sub setup_mailmap {
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read_mailmap(\*DATA, \%mailmap);
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if (-f '.mailmap') {
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my $fh = undef;
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open $fh, '<', '.mailmap';
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read_mailmap($fh, \%mailmap);
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close $fh;
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}
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}
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sub finalize {
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#print "\n$n_records records parsed.\n";
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if ($n_records != $n_output) {
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die "parse error: input records != output records\n";
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}
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if (0) {
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for my $author (sort keys %email) {
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my $e = $email{$author};
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for my $email (sort keys %$e) {
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print STDERR "$author <$email>\n";
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}
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}
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}
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}
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&setup_mailmap;
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&changelog_input;
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$opt_s ? &summary_output : &shortlog_output;
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&finalize;
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exit(0);
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__DATA__
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#
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# Even with git, we don't always have name translations.
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# So have an email->real name table to translate the
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# (hopefully few) missing names
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#
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Adrian Bunk <bunk@stusta.de>
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Andreas Herrmann <aherrman@de.ibm.com>
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Andrew Morton <akpm@osdl.org>
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Andrew Vasquez <andrew.vasquez@qlogic.com>
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Christoph Hellwig <hch@lst.de>
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Corey Minyard <minyard@acm.org>
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David Woodhouse <dwmw2@shinybook.infradead.org>
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Domen Puncer <domen@coderock.org>
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Douglas Gilbert <dougg@torque.net>
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Ed L Cashin <ecashin@coraid.com>
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Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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Felix Moeller <felix@derklecks.de>
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Frank Zago <fzago@systemfabricworks.com>
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Greg Kroah-Hartman <gregkh@suse.de>
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James Bottomley <jejb@mulgrave.(none)>
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James Bottomley <jejb@titanic.il.steeleye.com>
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Jeff Garzik <jgarzik@pretzel.yyz.us>
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Jens Axboe <axboe@suse.de>
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Kay Sievers <kay.sievers@vrfy.org>
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Mitesh shah <mshah@teja.com>
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Morten Welinder <terra@gnome.org>
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Morten Welinder <welinder@anemone.rentec.com>
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Morten Welinder <welinder@darter.rentec.com>
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Morten Welinder <welinder@troll.com>
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Nguyen Anh Quynh <aquynh@gmail.com>
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Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
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Peter A Jonsson <pj@ludd.ltu.se>
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Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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Rudolf Marek <R.Marek@sh.cvut.cz>
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Rui Saraiva <rmps@joel.ist.utl.pt>
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Sachin P Sant <ssant@in.ibm.com>
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Santtu Hyrkk,Av(B <santtu.hyrkko@gmail.com>
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Simon Kelley <simon@thekelleys.org.uk>
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Tejun Heo <htejun@gmail.com>
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Tony Luck <tony.luck@intel.com>
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