linux-kernel - Re: [PATCH 1/2] kbuild: cleanup signing keys with mrproper

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Date:   Mon, 5 Jun 2017 18:12:30 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Stephen Hemminger <stephen@...workplumber.org>
Cc:     Michal Marek <mmarek@...e.com>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        David Woodhouse <dwmw2@...radead.org>,
        David Howells <dhowells@...hat.com>
Subject: Re: [PATCH 1/2] kbuild: cleanup signing keys with mrproper

Hi Stephen,
Sorry for my late reply.

2017-05-12 2:25 GMT+09:00 Stephen Hemminger <stephen@...workplumber.org>:
> On Wed, 3 May 2017 13:37:08 +0900
> Masahiro Yamada <yamada.masahiro@...ionext.com> wrote:
>
>> +CC David Woodhouse
>> +CC David Howells
>>
>>
>> 2017-04-15 6:54 GMT+09:00 Stephen Hemminger <stephen@...workplumber.org>:
>> > When 'make mrproper' is run it was supposed to remove the signing
>> > keys in the certs directory, but only the filename is given
>> > rather than the pathanme which is necessary to cause cleanup.
>> >
>> > Signed-off-by: Stephen Hemminger <sthemmin@...rosoft.com>
>> > ---
>> >  Makefile | 6 +++---
>> >  1 file changed, 3 insertions(+), 3 deletions(-)
>> >
>> > diff --git a/Makefile b/Makefile
>> > index efa267a92ba6..04ca211552f7 100644
>> > --- a/Makefile
>> > +++ b/Makefile
>> > @@ -1274,9 +1274,9 @@ MRPROPER_DIRS  += include/config usr/include include/generated          \
>> >                   arch/*/include/generated .tmp_objdiff
>> >  MRPROPER_FILES += .config .config.old .version .old_version \
>> >                   Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \
>> > -                 signing_key.pem signing_key.priv signing_key.x509     \
>> > -                 x509.genkey extra_certificates signing_key.x509.keyid \
>> > -                 signing_key.x509.signer vmlinux-gdb.py
>> > +                 certs/signing_key.pem certs/signing_key.priv certs/signing_key.x509   \
>> > +                 certs/x509.genkey certs/extra_certificates certs/signing_key.x509.keyid \
>> > +                 certs/signing_key.x509.signer vmlinux-gdb.py
>> >
>>
>> The logic seems quite simple,
>> but I am not quite sure which file is still valid?
>>
>>
>> [1] signing_key.pem - OK, this should be certs/signing_key.pem
>>                          and removed by 'make mrproper'
>>
>> [2] signing_key.priv - deprecated by commit fb1179499134 ?
>>
>> [3] signing_key.x509 - OK, this should be certs/signing_key.x509
>>                          and removed by 'make mrproper'
>>
>> [4] x509.genkey - this is an intermediate file for generating signing_key.pem,
>>                   but unneeded for installing external modules.
>>                   Does it make more sense to delete this by 'make clean'?
>>
>> [5] extra_certificates - I am not sure where this is generated, and used
>>
>> [6] siging_key.x509.keyid - same as [5]
>>
>> [7] signing_key.x509.signer - same as [5]
>
> Retested with current Linus tree:
>
> After build, these files are present:
>         signing_key.x509
>
> This file is never cleaned up by clean or proper.
>
> The changes that I think are necessary:
>      certs/extra_certificates is no longer used, remove it from Makefile
>
>      certs/signing_key.x509 should be removed by mrproper

I agree.
I'd like obsolete files dropped from the list
before fixing the file paths.


-- 
Best Regards
Masahiro Yamada