linux-kernel - Re: [PATCH AUTOSEL for-4.4 39/39] MIPS: Use Makefile.postlink to insert relocations into vmlinux

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20171109164218.vdnku5kzm3trezuw@sasha-lappy>
Date:   Thu, 9 Nov 2017 16:42:21 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@....verizon.com>
To:     Matt Redfearn <matt.redfearn@...s.com>
CC:     "Levin, Alexander (Sasha Levin)" <alexander.levin@....verizon.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        Matt Redfearn <matt.redfearn@...tec.com>,
        "linux-mips@...ux-mips.org" <linux-mips@...ux-mips.org>,
        Ralf Baechle <ralf@...ux-mips.org>
Subject: Re: [PATCH AUTOSEL for-4.4 39/39] MIPS: Use Makefile.postlink to
 insert relocations into vmlinux

On Thu, Nov 09, 2017 at 09:16:44AM +0000, Matt Redfearn wrote:
>
>
>On 08/11/17 20:50, Levin, Alexander (Sasha Levin) wrote:
>>From: Matt Redfearn <matt.redfearn@...tec.com>
>>
>>[ Upstream commit 44079d3509aee89c58f3e4fd929fa53ab2299019 ]
>>
>>When relocatable support for MIPS was merged, there was no support for
>>an architecture to add a postlink step for vmlinux. This meant that only
>>invoking a target within the boot directory, such as uImage, caused the
>>relocations to be inserted into vmlinux. Building just the vmlinux
>>target would result in a relocatable kernel with no relocation
>>information present.
>>
>>Commit fbe6e37dab97 ("kbuild: add arch specific post-link Makefile")
>
>Hi,
>
>This patch depends on upstream commit fbe6e37dab97 ("kbuild: add arch 
>specific post-link Makefile") which was introduced in v4.9.
>
>This patch is an improvement to the build flow and I would not 
>consider it for backporting - certainly not to v4.8 or earlier which 
>is missing the dependency. Applying it will not break anything, 
>however, it will perform no function either without the supporting 
>dependency.

I'll just drop it from 4.9 and 4.4 then, Thanks Matt.

-- 

Thanks,
Sasha