linux-kernel - Re: [uml-devel] [PATCH] um: Add mark_rodata

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Date:   Mon, 22 May 2017 20:14:26 +0200
From:   Thomas Meyer <thomas@...3r.de>
To:     Richard Weinberger <richard.weinberger@...il.com>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        user-mode-linux-devel <user-mode-linux-devel@...ts.sourceforge.net>
Subject: Re: [uml-devel] [PATCH] um: Add mark_rodata_ro support.


> Am 21.05.2017 um 23:28 schrieb Richard Weinberger <richard.weinberger@...il.com>:
> 
> Thomas,
> 
>> On Thu, May 18, 2017 at 12:11 AM, Thomas Meyer <thomas@...3r.de> wrote:
>> This is actually a no-op as all read-only should be read-only in the ELF.
> 
> What problem does this patch fix? Or what is the purpose?

Hi,

It's purely cosmetic; to get rid of the boot message: "This architecture does not have kernel memory protection." in init/main.c

Which isn't true for UML as all read only stuff should end up in a read only ELF section. Shouldn't it?

> 
> -- 
> Thanks,
> //richard
> 
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