The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@xxxxxxxxxxxxxxx>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From 222a28edce38b62074a950fb243df621c602b4d3 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Thu, 17 Jun 2021 15:58:08 -0700
Subject: [PATCH] docs: Makefile: Use CONFIG_SHELL not SHELL
Fix think-o about which variable to find the Kbuild-configured shell.
This has accidentally worked due to most shells setting $SHELL by
default.
Fixes: 51e46c7a4007 ("docs, parallelism: Rearrange how jobserver reservations are made")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210617225808.3907377-1-keescook@xxxxxxxxxxxx
Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 9c42dde97671..c3feb657b654 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -76,7 +76,7 @@ quiet_cmd_sphinx = SPHINX $@ --> file://$(abspath $(BUILDDIR)/$3/$4)
PYTHONDONTWRITEBYTECODE=1 \
BUILDDIR=$(abspath $(BUILDDIR)) SPHINX_CONF=$(abspath $(srctree)/$(src)/$5/$(SPHINX_CONF)) \
$(PYTHON3) $(srctree)/scripts/jobserver-exec \
- $(SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
+ $(CONFIG_SHELL) $(srctree)/Documentation/sphinx/parallel-wrapper.sh \
$(SPHINXBUILD) \
-b $2 \
-c $(abspath $(srctree)/$(src)) \
