From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: Laura Abbott <labbott@redhat.com>
Cc: Andy Lutomirski <luto@kernel.org>,
Mark Wielaard <mjw@fedoraproject.org>,
"H . J . Lu" <hjl.tools@gmail.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
X86 ML <x86@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Nick Clifton <nickc@redhat.com>,
Cary Coutant <ccoutant@gmail.com>,
Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCHv5 1/4] kbuild: Add build salt to the kernel and modules
Date: Wed, 4 Jul 2018 12:59:00 +0900 [thread overview]
Message-ID: <CAK7LNAS7XBwDidNaLKC1wD+G30AyAvTHG5GN=UAiP5zz1EO8JA@mail.gmail.com> (raw)
In-Reply-To: <20180703233430.14416-2-labbott@redhat.com>
Hi.
Thanks for the update.
2018-07-04 8:34 GMT+09:00 Laura Abbott <labbott@redhat.com>:
>
> The build id generated from --build-id can be generated in several different
> ways, with the default being the sha1 on the output of the linked file. For
> distributions, it can be useful to make sure this ID is unique, even if the
> actual file contents don't change. The easiest way to do this is to insert
> a section with some data.
>
> Add an ELF note to both the kernel and module which contains some data based
> off of a config option.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Signed-off-by: Laura Abbott <labbott@redhat.com>
> ---
> v5: I used S-o-b here since the majority of the code was written
> already.
I think Suggested-by is good enough.
S-o-b is appended as a patch is passed from people to people.
Anyway, this looks good except one bike-shed.
> Please feel free to change the tag if you think it's not
> appropriate. I also tweaked this to take an ascii string instead of just
> a hex value since this makes things much easier on the distribution
> side.
> ---
> diff --git a/init/Kconfig b/init/Kconfig
> index 041f3a022122..8de789f40db9 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -107,6 +107,15 @@ config LOCALVERSION_AUTO
>
> which is done within the script "scripts/setlocalversion".)
>
> +config BUILD_SALT
> + string "Build ID Salt"
> + default "Linux"
How about empty string ""
for default?
--
Best Regards
Masahiro Yamada
next prev parent reply other threads:[~2018-07-04 4:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-03 23:34 [PATCHv5 0/4] Salted build ids via ELF notes Laura Abbott
2018-07-03 23:34 ` [PATCHv5 1/4] kbuild: Add build salt to the kernel and modules Laura Abbott
2018-07-04 3:59 ` Masahiro Yamada [this message]
2018-07-05 19:20 ` Laura Abbott
2018-07-03 23:34 ` [PATCHv5 2/4] x86: Add build salt to the vDSO Laura Abbott
2018-07-05 15:58 ` Andy Lutomirski
2018-07-05 19:08 ` Laura Abbott
2018-07-05 21:46 ` Andy Lutomirski
2018-07-03 23:34 ` [PATCHv5 3/4] powerpc: " Laura Abbott
2018-07-03 23:34 ` [PATCHv5 4/4] arm64: " Laura Abbott
2018-07-04 3:55 ` Masahiro Yamada
2018-07-05 19:05 ` Laura Abbott
2018-07-04 17:36 ` Will Deacon
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