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Message-Id: <20230911080129.38BA12016B@lion.mk-sys.cz>
Date: Mon, 11 Sep 2023 10:01:29 +0200 (CEST)
From: Michal Kubecek <mkubecek@...e.cz>
To: Masahiro Yamada <masahiroy@...nel.org>,
linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] kbuild: avoid long argument lists in make modules_install
Running "make modules_install" may fail with
make[2]: execvp: /bin/sh: Argument list too long
if many modules are built and INSTALL_MOD_PATH is long. This is because
scripts/Makefile.modinst creates all directories with one mkdir command.
Use $(foreach ...) instead to prevent an excessive argument list.
Fixes: 2dfec887c0fd ("kbuild: reduce the number of mkdir calls during modules_install")
Signed-off-by: Michal Kubecek <mkubecek@...e.cz>
---
scripts/Makefile.modinst | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index c59cc57286ba..346f5ec50682 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -113,7 +113,7 @@ quiet_cmd_sign :=
endif
# Create necessary directories
-$(shell mkdir -p $(sort $(dir $(install-y))))
+$(foreach dir, $(sort $(dir $(install-y))), $(shell mkdir -p $(dir)))
$(dst)/%.ko: $(extmod_prefix)%.ko FORCE
$(call cmd,install)
--
2.42.0
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