Ingo Molnar [off-list ref] wrote:

That's not a valid SOB chain: the SOB of the author of the patch (David Howells) 
must come first.

I changed it to:

  Signed-off-by: David Howells [off-list ref]
  Acked-by: Josh Boyer [off-list ref]
  Cc: Matt Fleming [off-list ref]
  Signed-off-by: Ard Biesheuvel [off-list ref]

Please holler if that's not OK.

Actually, it should be authored by Josh Boyer.  Somehow the authorship got
lost.

David