git log v2.6.32..v2.6.37-rc1 arch/x86/xen drivers/xen/ include/xen | grep Signed-off |  sort | uniq -c | sort -k 1 -n -r
    103     Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
     32     Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
     31     Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
     25     Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
      6     Signed-off-by: Ingo Molnar <mingo@elte.hu>
      5     Signed-off-by: H. Peter Anvin <hpa@zytor.com>
      5     Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
      5     Signed-off-by: Alex Nixon <alex.nixon@citrix.com>
      4     Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
      4     Signed-off-by: Tejun Heo <tj@kernel.org>
      4     Signed-off-by: Sheng Yang <sheng@linux.intel.com>
      4     Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
      4     Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
      3     Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
      3     Signed-off-by: Juan Quintela <quintela@redhat.com>
      2     Signed-off-by: Weidong Han <weidong.han@intel.com>
      2     Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
      2     Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
      2     Signed-off-by: Qing He <qing.he@intel.com>
      2     Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
      2     Signed-off-by: Alok N Kataria <akataria@vmware.com>
      1     Signed-off-by: Zimny Lech <napohybelskurwysynom2010@gmail.com>
      1     Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
      1     Signed-off-by: Yosuke Iwamatsu <y-iwamatsu@ab.jp.nec.com>
      1     Signed-off-by: Yinghai Lu <yinghai@kernel.org>
      1     Signed-off-by: Yaozu (Eddie) Dong <eddie.dong@intel.com>
      1     Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
      1     Signed-off-by: Noboru Iwamatsu <n_iwamatsu@jp.fujitsu.com>
      1     Signed-off-by: Mukesh Rathor <mukesh.rathor@oracle.com>
      1     Signed-off-by: Michal Simek <monstr@monstr.eu> [Microblaze]
      1     Signed-off-by: John Stultz <johnstul@us.ibm.com>
      1     Signed-off-by: Jiri Kosina <jkosina@suse.cz>
      1                 Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
      1     Signed-off-by: Ian Campbell <Ian.Campbell@citrix.com>
      1     Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
      1     Signed-off-by: Gianluca Guida <gianluca.guida@citrix.com>
      1     Signed-off-by: Gerd Hoffmann <kraxel@xeni.home.kraxel.org>
      1     Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
      1     Signed-off-by: Emese Revfy <re.emese@gmail.com>
      1     Signed-off-by: Don Dutile <ddutile@redhat.com>
      1     Signed-off-by: Donald Dutile <ddutile@redhat.com>
      1     Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
      1     Signed-off-by: David Howells <dhowells@redhat.com> [X86, FRV, MN10300]
      1     Signed-off-by: Daniel Stodden <daniel.stodden@citrix.com>
      1     Signed-off-by: Chris Wright <chrisw@sous-sol.org>
      1     Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> [Tile]
      1     Signed-off-by: Arnd Bergmann <arnd@arndb.de>
      1     Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>