From: "Luis R. Rodriguez" <mcgrof@kernel.org> To: Cristina Moraru <cristina.moraru09@gmail.com> Cc: linux-kernel@vger.kernel.org, mcgrof@kernel.org, teg@jklm.no, kay@vrfy.org, rusty@rustcorp.com.au, akpm@linux-foundation.org, Fengguang Wu <fengguang.wu@intel.com>, backports@vger.kernel.org, "vegard.nossum@gmail.com" <vegard.nossum@gmail.com> Subject: Re: [RFC PATCH 3/5] Trigger Module.ksymb generation in Makefile Date: Thu, 18 Aug 2016 20:30:28 +0200 [thread overview] Message-ID: <20160818183028.GQ3296@wotan.suse.de> (raw) In-Reply-To: <1471462023-119645-4-git-send-email-cristina.moraru09@gmail.com> On Wed, Aug 17, 2016 at 09:27:01PM +0200, Cristina Moraru wrote: > Trigger the generation of file scripts/Module.ksymb in > Makefile by calling updated scripts/streamline_config.pl > with corresponding parameter (--genmodulesymb). The file > is generated at each compilation considering that > associations may change after tree updates. I really like this approach as you make the resolver configurable, this lets others experiment and consider alternatives. make KSYMB_GENERATOR=/path/research/my-config-generator-is-better The fact that you can do this should be documented as part of the patch commit log. You'll want to wrap this generation under a CONFIG option so only kernels that want generate this file. > This patch is part of a research project within > Google Summer of Code of porting 'make localmodconfig' > for backported drivers. The goal is to enable each > module to expose in /sys its corresponding CONFIG_* option. > The value of this attribute will be dynamically pegged by > modpost without requiring extra work from the driver developers. > Further, this information will be used by a hardware interogation > tool to extract build information about the existing devices. You can leave this out. > > Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com> > --- > Makefile | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Makefile b/Makefile > index 393b615..286b949 100644 > --- a/Makefile > +++ b/Makefile > @@ -219,6 +219,10 @@ VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) > > export srctree objtree VPATH > > +KSYMB_GENERATOR := $(objtree)/scripts/kconfig/streamline_config.pl > +ksymb_gen_command = perl $(KSYMB_GENERATOR) --genmoduleksymb $(objtree) $(Kconfig) $(PERL) > +ksymb_update := $(shell objtree=$(objtree) srctree=$(srctree) $(ksymb_gen_command)) > + > # SUBARCH tells the usermode build what the underlying arch is. That is set > # first, and if a usermode build is happening, the "ARCH=um" on the command > # line overrides the setting of ARCH below. If a native build is happening, > -- > 2.7.4 Luis -- To unsubscribe from this list: send the line "unsubscribe backports" in
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From: "Luis R. Rodriguez" <mcgrof@kernel.org> To: Cristina Moraru <cristina.moraru09@gmail.com> Cc: linux-kernel@vger.kernel.org, mcgrof@kernel.org, teg@jklm.no, kay@vrfy.org, rusty@rustcorp.com.au, akpm@linux-foundation.org, Fengguang Wu <fengguang.wu@intel.com>, backports@vger.kernel.org, "vegard.nossum@gmail.com" <vegard.nossum@gmail.com> Subject: Re: [RFC PATCH 3/5] Trigger Module.ksymb generation in Makefile Date: Thu, 18 Aug 2016 20:30:28 +0200 [thread overview] Message-ID: <20160818183028.GQ3296@wotan.suse.de> (raw) In-Reply-To: <1471462023-119645-4-git-send-email-cristina.moraru09@gmail.com> On Wed, Aug 17, 2016 at 09:27:01PM +0200, Cristina Moraru wrote: > Trigger the generation of file scripts/Module.ksymb in > Makefile by calling updated scripts/streamline_config.pl > with corresponding parameter (--genmodulesymb). The file > is generated at each compilation considering that > associations may change after tree updates. I really like this approach as you make the resolver configurable, this lets others experiment and consider alternatives. make KSYMB_GENERATOR=/path/research/my-config-generator-is-better The fact that you can do this should be documented as part of the patch commit log. You'll want to wrap this generation under a CONFIG option so only kernels that want generate this file. > This patch is part of a research project within > Google Summer of Code of porting 'make localmodconfig' > for backported drivers. The goal is to enable each > module to expose in /sys its corresponding CONFIG_* option. > The value of this attribute will be dynamically pegged by > modpost without requiring extra work from the driver developers. > Further, this information will be used by a hardware interogation > tool to extract build information about the existing devices. You can leave this out. > > Signed-off-by: Cristina Moraru <cristina.moraru09@gmail.com> > --- > Makefile | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/Makefile b/Makefile > index 393b615..286b949 100644 > --- a/Makefile > +++ b/Makefile > @@ -219,6 +219,10 @@ VPATH := $(srctree)$(if $(KBUILD_EXTMOD),:$(KBUILD_EXTMOD)) > > export srctree objtree VPATH > > +KSYMB_GENERATOR := $(objtree)/scripts/kconfig/streamline_config.pl > +ksymb_gen_command = perl $(KSYMB_GENERATOR) --genmoduleksymb $(objtree) $(Kconfig) $(PERL) > +ksymb_update := $(shell objtree=$(objtree) srctree=$(srctree) $(ksymb_gen_command)) > + > # SUBARCH tells the usermode build what the underlying arch is. That is set > # first, and if a usermode build is happening, the "ARCH=um" on the command > # line overrides the setting of ARCH below. If a native build is happening, > -- > 2.7.4 Luis
next prev parent reply other threads:[~2016-08-18 19:43 UTC|newest] Thread overview: 96+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-08-17 19:26 [RFC PATCH 0/5] Add CONFIG symbol as module attribute Cristina Moraru 2016-08-17 19:26 ` [RFC PATCH 1/5] Add generation of Module.symb in streamline_config Cristina Moraru 2016-08-18 18:22 ` Luis R. Rodriguez 2016-08-18 18:22 ` Luis R. Rodriguez 2016-08-18 18:32 ` Luis R. Rodriguez 2016-08-18 18:32 ` Luis R. Rodriguez [not found] ` <CAGZ2q2xi9Uy-ye387=mWhy_fOEJBC593Nos7fH027m-_ZdoOXA@mail.gmail.com> 2016-08-20 14:49 ` Cristina-Gabriela Moraru 2016-08-20 14:49 ` Cristina-Gabriela Moraru 2016-08-23 19:00 ` Luis R. Rodriguez 2016-08-23 19:00 ` Luis R. Rodriguez 2016-08-17 19:27 ` [RFC PATCH 2/5] Add CONFIG symbol to module as compilation parameter Cristina Moraru 2016-08-18 18:10 ` Luis R. Rodriguez 2016-08-18 18:10 ` Luis R. Rodriguez 2016-08-18 18:55 ` Luis R. Rodriguez 2016-08-18 18:55 ` Luis R. Rodriguez 2016-08-20 15:11 ` Cristina-Gabriela Moraru 2016-08-20 15:11 ` Cristina-Gabriela Moraru 2016-08-23 19:07 ` Luis R. Rodriguez 2016-08-23 19:07 ` Luis R. Rodriguez 2016-08-17 19:27 ` [RFC PATCH 3/5] Trigger Module.ksymb generation in Makefile Cristina Moraru 2016-08-18 18:30 ` Luis R. Rodriguez [this message] 2016-08-18 18:30 ` Luis R. Rodriguez 2016-08-17 19:27 ` [RFC PATCH 4/5] Set KCONFIG_KSYMB as value for kconfig_ksymb module attribute Cristina Moraru 2016-08-18 18:59 ` Luis R. Rodriguez 2016-08-18 18:59 ` Luis R. Rodriguez 2016-08-20 15:16 ` Cristina-Gabriela Moraru 2016-08-20 15:16 ` Cristina-Gabriela Moraru 2016-08-23 19:10 ` Luis R. Rodriguez 2016-08-23 19:10 ` Luis R. Rodriguez 2016-08-17 19:27 ` [RFC PATCH 5/5] Add kconf_symb as kernel " Cristina Moraru 2016-08-18 19:02 ` Luis R. Rodriguez 2016-08-18 19:02 ` Luis R. Rodriguez 2016-08-18 17:55 ` [RFC PATCH 0/5] Add CONFIG symbol as " Luis R. Rodriguez 2016-08-18 17:55 ` Luis R. Rodriguez 2016-08-19 9:07 ` Michal Marek 2016-08-19 9:07 ` Michal Marek 2016-08-22 19:48 ` Cristina-Gabriela Moraru 2016-08-22 19:48 ` Cristina-Gabriela Moraru 2016-08-23 21:32 ` Luis R. Rodriguez 2016-08-23 21:32 ` Luis R. Rodriguez 2016-08-24 11:05 ` Michal Marek 2016-08-24 11:05 ` Michal Marek 2016-08-24 16:33 ` Luis R. Rodriguez 2016-08-24 16:33 ` Luis R. Rodriguez 2016-08-24 17:31 ` Naveen Kumar 2016-08-24 17:31 ` Naveen Kumar 2016-08-22 19:35 ` Cristina-Gabriela Moraru 2016-08-22 19:35 ` Cristina-Gabriela Moraru 2016-08-23 19:17 ` Luis R. Rodriguez 2016-08-23 19:17 ` Luis R. Rodriguez 2016-08-25 7:43 ` Christoph Hellwig 2016-08-25 7:43 ` Christoph Hellwig 2016-08-25 8:00 ` Johannes Berg 2016-08-25 8:00 ` Johannes Berg 2016-08-25 19:51 ` Luis R. Rodriguez 2016-08-25 19:51 ` Luis R. Rodriguez 2016-08-25 8:41 ` Michal Marek 2016-08-25 8:41 ` Michal Marek 2016-08-25 20:19 ` Luis R. Rodriguez 2016-08-25 20:19 ` Luis R. Rodriguez 2019-02-05 22:07 ` Luis Chamberlain 2019-02-05 22:07 ` Luis Chamberlain 2019-06-26 22:21 ` Luis Chamberlain 2019-06-26 22:21 ` Luis Chamberlain 2019-06-27 4:50 ` Christoph Hellwig 2019-06-27 4:50 ` Christoph Hellwig 2019-06-28 18:40 ` Luis Chamberlain 2019-06-28 18:40 ` Luis Chamberlain 2019-06-29 8:42 ` Greg Kroah-Hartman 2019-06-29 8:42 ` Greg Kroah-Hartman 2019-07-02 20:51 ` Luis Chamberlain 2019-07-02 20:51 ` Luis Chamberlain 2019-07-03 7:40 ` Greg Kroah-Hartman 2019-07-03 7:40 ` Greg Kroah-Hartman 2019-07-03 16:50 ` Luis Chamberlain 2019-07-03 16:50 ` Luis Chamberlain 2019-07-03 18:57 ` Greg Kroah-Hartman 2019-07-03 18:57 ` Greg Kroah-Hartman 2019-07-03 22:25 ` Luis Chamberlain 2019-07-03 22:25 ` Luis Chamberlain 2019-07-11 23:07 ` Brendan Higgins 2019-07-11 23:07 ` Brendan Higgins 2019-07-11 23:22 ` Luis Chamberlain 2019-07-11 23:22 ` Luis Chamberlain 2019-07-03 12:16 ` Enrico Weigelt, metux IT consult 2019-07-03 12:16 ` Enrico Weigelt, metux IT consult 2019-07-03 17:35 ` Luis Chamberlain 2019-07-03 17:35 ` Luis Chamberlain 2019-07-03 19:31 ` Enrico Weigelt, metux IT consult 2019-07-03 19:31 ` Enrico Weigelt, metux IT consult 2019-07-03 22:42 ` Luis Chamberlain 2019-07-03 22:42 ` Luis Chamberlain 2019-07-11 23:27 ` Brendan Higgins 2019-07-11 23:27 ` Brendan Higgins 2019-07-13 14:44 ` Enrico Weigelt, metux IT consult 2019-07-13 14:44 ` Enrico Weigelt, metux IT consult
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