linux-kernel - Re: [PATCH v4 4/4] tools: Connect to the kernel build system

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Date:	Tue, 10 Apr 2012 23:04:57 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Sam Ravnborg <sam@...nborg.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Michal Marek <mmarek@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	Borislav Petkov <borislav.petkov@....com>
Subject: Re: [PATCH v4 4/4] tools: Connect to the kernel build system

On Tue, Apr 10, 2012 at 10:37:33PM +0200, Sam Ravnborg wrote:
> On Tue, Apr 10, 2012 at 05:20:40PM +0200, Borislav Petkov wrote:
> > From: Borislav Petkov <borislav.petkov@....com>
> > 
> > Now you can do
> > 
> > $ make tools/<toolname>
> > 
> > from the toplevel kernel directory and have the respective tool built.
> > 
> > If you want to build and install it, do
> > 
> > $ make tools/<toolname>_install
> > 
> > $ make tools/<toolname>_clean
> > 
> > should clean the respective tool directories.
> > 
> > If you want to clean all in tools, simply do
> > 
> > $ make tools/clean
> > 
> > Also, if you want to get what the possible targets are, simply calling
> > 
> > $ make tools/
> > 
> > should give you the short help.
> > 
> > $ make tools/install
> > 
> > installs all tools, of course. Doh.
> > 
> > Cc: Sam Ravnborg <sam@...nborg.org>
> > Signed-off-by: Borislav Petkov <borislav.petkov@....com>
> > ---
> >  Makefile       |    7 +++++++
> >  tools/Makefile |   25 ++++++++++++++++++++++++-
> >  2 files changed, 31 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Makefile b/Makefile
> > index 0df3d003a079..e24ce7104f63 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -1468,6 +1468,13 @@ kernelrelease:
> >  kernelversion:
> >  	@echo $(KERNELVERSION)
> >  
> > +# Clear a bunch of variables before executing the submake
> > +tools/: FORCE
> > +	$(Q)$(MAKE) LDFLAGS= -C $(src)/tools/
> I think you need to clear MAKEFLAGS here too?
> 
> > +
> > +tools/%: FORCE
> > +	$(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/ $*
> > +
> 
> >  
> > -perf firewire lguest usb virtio vm: FORCE
> > +firewire lguest perf usb virtio vm: FORCE
> >  	$(QUIET_SUBDIR0)$@/ $(QUIET_SUBDIR1)
> 
> Fold this into 2/4
> 
> >  
> >  cpupower: FORCE
> > @@ -32,6 +42,19 @@ turbostat x86_energy_perf_policy: FORCE
> >  selftests: FORCE
> >  	$(QUIET_SUBDIR0)testing/$@/ $(QUIET_SUBDIR1)
> >  
> > +firewire_install lguest_install perf_install usb_install virtio_install vm_install:
> > +	$(QUIET_SUBDIR0)$(@:_install=)/ $(QUIET_SUBDIR1) install
> > +
> > +cpupower_install:
> > +	$(QUIET_SUBDIR0)power/$(@:_install=)/ $(QUIET_SUBDIR1) install
> > +
> > +turbostat_install x86_energy_perf_policy_install:
> > +	$(QUIET_SUBDIR0)power/x86/$(@:_install=)/ $(QUIET_SUBDIR1) install
> > +
> > +install: firewire_install lguest_install perf_install usb_install \
> > +		virtio_install vm_install cpupower_install turbostat_install \
> > +		x86_energy_perf_policy_install
> > +
> 
> This really belongs in 2/4 or a separate patch.
> 
> Sorry for bing picky about these details - but they destroy
> an otherwise fine patch-set.

Agreed with all above, will rework soon.

Thanks for looking at those.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
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GM: Alberto Bozzo
Reg: Dornach, Landkreis Muenchen
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