On Fri, 21 Feb 2020 16:02:39 -0800
Kees Cook [off-list ref] wrote:

When there was no parallelism (no top-level -j arg and a pre-1.7
sphinx-build), the argument passed would be empty ("") instead of just
being missing, which would (understandably) badly confuse sphinx-build.
Fix this by removing the quotes.

Reported-by: Rafael J. Wysocki <rafael@kernel.org>
Fixes: 51e46c7a4007 ("docs, parallelism: Rearrange how jobserver reservations are made")
Signed-off-by: Kees Cook <redacted>

Applied, thanks for fixing this.

jon