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Message-Id: <56E4E4A4-1D68-4A1F-A80C-D924BA907BC7@m3y3r.de>
Date: Mon, 22 May 2017 21:18:50 +0200
From: Thomas Meyer <thomas@...3r.de>
To: Richard Weinberger <richard@....at>
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 22.05.2017 um 20:34 schrieb Richard Weinberger <richard@....at>:
>
> Thomas,
>
>> Am 22.05.2017 um 20:14 schrieb Thomas Meyer:
>> 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?
>
> Hmm, reading /proc/<pid of uml>/maps tells a different story on my host.
> Did you check?
No... I may should have done so...
Okay, but it should be possible to mprotect those regions ?
>
> Thanks,
> //richard
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