am 8997a632: (-s ours) am 257285c5: (-s ours) reset to 12c92cdf, but keep bad history for fast forward

* commit '8997a63271badb521415ace2423d927f09ecdb7c':
  mako: update prebuilt kernel
tree: db9199af29a0d15ac74f0fc8615abfb35e7dc4c3
  1. kernel