From: Andi Kleen <ak@suse.de>
To: ebiederm@xmission.com (Eric W. Biederman)
Cc: vgoyal@in.ibm.com, Magnus Damm <magnus.damm@gmail.com>,
Magnus Damm <magnus@valinux.co.jp>,
fastboot@lists.osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [Fastboot] [PATCH][RFC] x86_64: Reload CS when startup_64 is used.
Date: Mon, 21 Aug 2006 22:10:09 +0200 [thread overview]
Message-ID: <20060821221009.a43cfbf0.ak@suse.de> (raw)
In-Reply-To: <m1fyfpuabb.fsf@ebiederm.dsl.xmission.com>
> I'm not certain I caught everything but as far as I know I did.
> Part of that was by having the code run at a fixed virtual address so
> we still live in the last 2GB of the virtual address space.
You changed the -2GB (or rather -40MB unpatched) mapping to not necessarily
be linear? There are a couple of assumptions that it is, including at boot up
(it doubles as the 1:1 mapping then) and in change_page_attr() and in suspend/resume.
-Andi
next prev parent reply other threads:[~2006-08-21 20:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-21 9:54 [PATCH][RFC] x86_64: Reload CS when startup_64 is used Magnus Damm
2006-08-21 10:19 ` Andi Kleen
2006-08-21 13:29 ` [Fastboot] " Magnus Damm
2006-08-21 14:16 ` Andi Kleen
2006-08-22 0:47 ` Magnus Damm
2006-08-21 14:17 ` Vivek Goyal
2006-08-21 14:24 ` Andi Kleen
2006-08-21 14:46 ` Vivek Goyal
2006-08-21 15:04 ` Andi Kleen
2006-08-21 20:02 ` Eric W. Biederman
2006-08-21 20:10 ` Andi Kleen [this message]
2006-08-21 21:00 ` Eric W. Biederman
2006-08-21 21:02 ` Eric W. Biederman
2006-08-22 0:58 ` Magnus Damm
2006-08-22 3:41 ` Eric W. Biederman
2006-08-22 4:10 ` Magnus Damm
2006-08-22 8:03 ` Andi Kleen
2006-08-22 8:37 ` [PATCH] " Eric W. Biederman
2006-08-22 8:53 ` [Fastboot] " Magnus Damm
2006-08-22 9:25 ` Eric W. Biederman
2006-08-23 3:10 ` Magnus Damm
2006-08-22 9:01 ` Andi Kleen
2006-08-22 9:20 ` Eric W. Biederman
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