linux-kernel - Re: [PATCH] Let modpost parses vmlinux instead of vmlinux.o

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Message-ID: <4F74DAE6.9000001@am.sony.com>
Date:	Thu, 29 Mar 2012 14:57:58 -0700
From:	Frank Rowand <frank.rowand@...sony.com>
To:	"Rowand, Frank" <Frank_Rowand@...yusa.com>
CC:	Alessio Igor Bogani <abogani@...nel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Jan Beulich <jbeulich@...ell.com>,
	Kbuild <linux-kbuild@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Bird, Tim" <Tim.Bird@...sony.com>,
	Anders Kaseorg <andersk@...lice.com>,
	Arnaud Lacombe <lacombar@...il.com>
Subject: Re: [PATCH] Let modpost parses vmlinux instead of vmlinux.o

On 03/29/12 14:53, Frank Rowand wrote:
> On 03/29/12 07:53, Alessio Igor Bogani wrote:
>> Dear Mr. Rowand,
> 
> No need to be formal, "Frank" is ok.
> 
> 
>>
>> What do you think about this patch?
> 
> It does not work for me.  The resulting Module.symvers is empty.
> 
> Before applying the Makefile patch, "make V=1" shows the command
                                      ^^^ "make V=1 vmlinux"
> to generate Module.symvers is:
> 
>   scripts/mod/modpost   -o /a/home/frowand/me/src/linux/kernel-org/build/crest/Module.symvers    -S   vmlinux.o
> 
> after applying the patch, the command becomes:
> 
>   scripts/mod/modpost   -o /a/home/frowand/me/src/linux/kernel-org/build/crest/Module.symvers    -S   -s
> 
> 
> -Frank
> 
>> Thanks!
>>
>> Ciao,
>> Alessio
>>
>> ---
>>  Makefile                 |    2 +-
>>  scripts/Makefile.modpost |    2 +-
>>  2 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/Makefile b/Makefile
>> index 123d858..b589d1f 100644
>> --- a/Makefile
>> +++ b/Makefile
>> @@ -876,7 +876,7 @@ quiet_cmd_vmlinux-modpost = LD      $@
>>  define rule_vmlinux-modpost
>>  	:
>>  	+$(call cmd,vmlinux-modpost)
>> -	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $@
>> +	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost $*
>>  	$(Q)echo 'cmd_$@ := $(cmd_vmlinux-modpost)' > $(dot-target).cmd
>>  endef
>>  
>> diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
>> index 56dfafc..ca0db29 100644
>> --- a/scripts/Makefile.modpost
>> +++ b/scripts/Makefile.modpost
>> @@ -93,7 +93,7 @@ __modpost: $(modules:.ko=.o) FORCE
>>  quiet_cmd_kernel-mod = MODPOST $@
>>        cmd_kernel-mod = $(modpost) $@
>>  
>> -vmlinux.o: FORCE
>> +vmlinux vmlinux.o: FORCE
>>  	$(call cmd,kernel-mod)
>>  
>>  # Declare generated files as targets for modpost
> 
> .
> 


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