linux-kernel - Re: [PATCH] modpost: Fix modpost's license checking V3

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Message-ID: <4F6D30AF.8000204@am.sony.com>
Date:	Fri, 23 Mar 2012 19:25:51 -0700
From:	Frank Rowand <frank.rowand@...sony.com>
To:	unlisted-recipients:; (no To-header on input)
CC:	"Rowand, Frank" <Frank_Rowand@...yusa.com>,
	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] modpost: Fix modpost's license checking V3

On 03/23/12 19:04, Frank Rowand wrote:
> On 07/13/11 23:51, Alessio Igor Bogani wrote:
>> The commit f02e8a6 sorts symbols placing each of them in its own elf section.
>> The sorting and merging into the canonical sections are done by the linker.
>> Unfortunately modpost to generate Module.symvers file parses vmlinux
> 
> Yet another unfortunately: modpost parses vmlinux.o instead of vmlinux (vmlinux
> does not yet exist at this point of the build).  vmlinux.o also does not have
> the many sections sorted and merged into the canonical sections.  As a result,
> the Module.symvers created my modpost incorrectly reports the license of all

                             ^^^ s/my/by/

> exports as "(unknown)".
> 
> Can you fix this also please?
> 
> 
>> (already linked) and all modules object files (which aren't linked yet).
>> These aren't sanitized by the linker yet. That breaks modpost that can't
>> detect license properly for modules. This patch makes modpost aware of
>> the new exported symbols structure.
>>
>> Thanks to Arnaud Lacombe <lacombar@...il.com> and Anders Kaseorg
>> <andersk@...lice.com> for providing useful suggestions about code.
>>
>> This work was supported by a hardware donation from the CE Linux Forum.
>>
>> Reported-by: Jan Beulich <jbeulich@...ell.com>
>> Signed-off-by: Alessio Igor Bogani <abogani@...nel.org>
>> ---
>>  scripts/mod/modpost.c |   29 ++++++++++++++++++++++++++++-
>>  1 files changed, 28 insertions(+), 1 deletions(-)
> 
> < snip >
> 
> -Frank Rowand
> .
> 


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