From: LA Walsh <law@sgi.com>
To: Keith Owens <kaos@ocs.com.au>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Power usage Q and parallel make question (separate issues)
Date: Wed, 31 Jan 2001 19:02:03 -0800 [thread overview]
Message-ID: <3A78D1AB.2C2E743B@sgi.com> (raw)
In-Reply-To: <9806.980987520@kao2.melbourne.sgi.com>
Keith Owens wrote:
>
> The only bit that could run in parallel is this one.
>
> .PHONY: $(patsubst %, _modinst_%, $(SUBDIRS))
> $(patsubst %, _modinst_%, $(SUBDIRS)) :
> $(MAKE) -C $(patsubst _modinst_%, %, $@) modules_install
>
> The erase must be done first (serial), then make modules_install in
> every subdir (parallel), then depmod (serial).
---
Right...Wouldn't something like this work? (Seems to)
--- Makefile.old Wed Jan 31 18:57:21 2001
+++ Makefile Wed Jan 31 18:54:53 2001
@@ -351,8 +351,12 @@
$(patsubst %, _mod_%, $(SUBDIRS)) : include/linux/version.h include/config/MARKER
$(MAKE) -C $(patsubst _mod_%, %, $@) CFLAGS="$(CFLAGS) $(MODFLAGS)" MAKING_MODULES=1 modules
+modules_inst_subdirs: _modinst_
+ $(MAKE) $(patsubst %, _modinst_%, $(SUBDIRS))
+
+
.PHONY: modules_install
-modules_install: _modinst_ $(patsubst %, _modinst_%, $(SUBDIRS)) _modinst_post
+modules_install: _modinst_post
.PHONY: _modinst_
_modinst_:
@@ -372,7 +376,7 @@
depmod_opts := -b $(INSTALL_MOD_PATH) -r
endif
.PHONY: _modinst_post
-_modinst_post: _modinst_post_pcmcia
+_modinst_post: _modinst_post_pcmcia modules_inst_subdirs
if [ -r System.map ]; then $(DEPMOD) -ae -F System.map $(depmod_opts) $(KERNELRELEASE); fi
# Backwards compatibilty symlinks for people still using old versions
---
This seems to serialize the delete, run the mod-installs in parallel, then run the
depmod when they are done.
--
Linda A Walsh | Trust Technology, Core Linux, SGI
law@sgi.com | Voice: (650) 933-5338
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next prev parent reply other threads:[~2001-02-01 3:04 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-31 19:44 Power usage Q and parallel make question (separate issues) LA Walsh
2001-02-01 0:32 ` Keith Owens
2001-02-01 3:02 ` LA Walsh [this message]
2001-02-01 3:32 ` Keith Owens
2001-02-01 8:13 ` LA Walsh
2001-02-01 8:24 ` Keith Owens
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