Subject: linux-next: Signed-off-by missing for commit in the tip tree

From: Stephen Rothwell <[email-masked]>
Date: Mon, 29 Jan 2018 08:21:48 +1100

Hi all,

Commit

  20ffa1caecca ("x86/speculation: Add basic IBPB (Indirect Branch Prediction Barrier) support")

is missing a Signed-off-by from its committer.

-- 
Cheers,
Stephen Rothwell