linux-kernel - Re: [PATCH] [1/8] GBPAGES: Handle kernel near memory hole in clear_kernel

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

Date:	Thu, 3 Jan 2008 19:43:05 +0100
From:	Andi Kleen <ak@...e.de>
To:	Vivek Goyal <vgoyal@...hat.com>
Cc:	ebiederm@...ssion.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [1/8] GBPAGES: Handle kernel near memory hole in clear_kernel_mapping


> Got a question. How will kernel continue to run if we unmap the kernel
> text/data region mappings?

Normally it shouldn't be in the same 2MB area as the aperture (which
is the only thing that is unmapped). The problem is mostly
the rest of the 40MB kernel mapping.

-Andi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/