linux-kernel - Re: [PATCH] MIPS: Use Makefile.postlink to insert relocations into vmlinux

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Message-ID: <886bbe44-0ad5-dcaa-f27f-ab502e05b4a0@cavium.com>
Date:   Fri, 2 Dec 2016 13:06:17 -0600
From:   "Steven J. Hill" <Steven.Hill@...ium.com>
To:     Matt Redfearn <matt.redfearn@...tec.com>,
        Ralf Baechle <ralf@...ux-mips.org>
CC:     <linux-mips@...ux-mips.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] MIPS: Use Makefile.postlink to insert relocations into
 vmlinux

On 11/10/2016 04:02 AM, Matt Redfearn wrote:
> 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")
> recified this situation, so MIPS can now define a postlink step to add
> relocation information into vmlinux, and remove the additional steps
> tacked onto boot targets.
> 
> Signed-off-by: Matt Redfearn <matt.redfearn@...tec.com>
>
Tested on OCTEON III with relocatable kernel.

Tested-by: Steven J. Hill <steven.hill@...ium.com>