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

From: Stephen Rothwell
Date: Sun Jan 28 2018 - 16:22:02 EST


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