linux-kernel - Re: modules still have .debug_* (was Re: [PATCH 0/3] ARC unwinder switch to .eh

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Message-ID: <CAE2F3rBjKsEGpbUMhGLthx-Ue=LQCqEPtbB20bG2P=D2nbwYsw@mail.gmail.com>
Date:   Fri, 23 Sep 2016 18:04:06 -0700
From:   Daniel Mentz <danielmentz@...gle.com>
To:     Alexey Brodkin <Alexey.Brodkin@...opsys.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Vineet Gupta <Vineet.Gupta1@...opsys.com>,
        "linux-snps-arc@...ts.infradead.org" 
        <linux-snps-arc@...ts.infradead.org>
Subject: Re: modules still have .debug_* (was Re: [PATCH 0/3] ARC unwinder
 switch to .eh_frame)

On Fri, Sep 23, 2016 at 3:38 AM, Alexey Brodkin
<Alexey.Brodkin@...opsys.com> wrote:
> On Thu, 2016-09-22 at 15:37 -0700, Daniel Mentz wrote:
>> Sorry, that was a misunderstanding. Buildroot routinely runs the strip
>> command on .ko files before installing them on the target. I was only
>> looking at the .ko files *after* running the strip command. No, the
>> interim patch was not in my tree.
>
> Well are you sure buildroot really touches modules in Linux kernel build folder?
> Buildroot just runs a simple "make" command in "output/build/linux-x.y".

Sorry, that was phrased badly. Buildroot does not touch the modules in
the Linux kernel build folder. Modules are stripped in the target
directory as you described.

> And only on installation step Buildroot strips binaries in "output/target" folder.
> Moreover starting from that commit
> https://git.buildroot.net/buildroot/commit/?id=10c4d27aef4dca01572cfc8146cbfd194a1a85e4
> even on Linux installation step Buildroot reuses kernel's module stripping infrastructure
> but again that happens only on target.