linux-kernel - [PATCH] modules: don't call depmod when overriding external module install path

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Date:	Mon, 16 Aug 2010 04:03:34 -0400
From:	Jon Masters <jcm@...masters.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jon Masters <jcm@...masters.org>
Subject: [PATCH] modules: don't call depmod when overriding external module install path

Recent kernels include an additional call to depmod during the installation
of external kernel modules as a convenience, in order to ensure that those
modules are picked up by the module loading tools/initramfs scripts, etc.
Although this call is potentially of some value, it should not be made
when explicitly setting INSTALL_MOD_PATH to a different location. This
avoids creating extraneous modules.* files that will never be used.

Signed-off-by: Jon Masters <jcm@...masters.org>
---
 Makefile |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/Makefile b/Makefile
index f3bdff8..2b904f2 100644
--- a/Makefile
+++ b/Makefile
@@ -1325,7 +1325,9 @@ _emodinst_:

 PHONY += _emodinst_post
 _emodinst_post: _emodinst_
+ifeq ($(INSTALL_MOD_PATH),)
 	$(call cmd,depmod)
+endif

 clean-dirs := $(addprefix _clean_,$(KBUILD_EXTMOD))

-- 
1.7.2.1

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