From: ebiederm@xmission.com (Eric W. Biederman)
To: "Magnus Damm" <magnus.damm@gmail.com>
Cc: "Gerd Hoffmann" <kraxel@suse.de>,
"Magnus Damm" <magnus@valinux.co.jp>,
"Andrew Morton" <akpm@osdl.org>,
fastboot@lists.osdl.org, linux-kernel@vger.kernel.org
Subject: Re: [Fastboot] [PATCH 03/03] kexec: Avoid overwriting the current pgd (V2, x86_64)
Date: Fri, 26 May 2006 03:18:15 -0600 [thread overview]
Message-ID: <m1r72hb0vc.fsf@ebiederm.dsl.xmission.com> (raw)
In-Reply-To: <aec7e5c30605260202m531b0f01pfd244932d9fc99a9@mail.gmail.com> (Magnus Damm's message of "Fri, 26 May 2006 18:02:19 +0900")
"Magnus Damm" <magnus.damm@gmail.com> writes:
> On 5/26/06, Gerd Hoffmann <kraxel@suse.de> wrote:
>> > 1a. The C-code in xen_machine_kexec() performs a hypercall.
>> >
>> > 1b. The hypervisor jumps to the assembly code.
>> > After prepare we've created a NX-safe mapping for the control page. We
>> > jump to that NX-safe address to transfer control to the assembly code.
>>
>> This is about kexec'ing the physical machine, not the virtual machine,
>> right?
>
> Correct, kexec:ing from dom0.
And staying in dom0? Or does Xen go away?
Eric
next prev parent reply other threads:[~2006-05-26 9:19 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-24 4:40 [PATCH 00/03] kexec: Avoid overwriting the current pgd (V2) Magnus Damm
2006-05-24 4:40 ` [PATCH 01/03] kexec: Avoid overwriting the current pgd (V2, stubs) Magnus Damm
2006-05-25 2:41 ` [Fastboot] " Eric W. Biederman
2006-05-25 3:45 ` Magnus Damm
2006-05-25 4:37 ` Eric W. Biederman
2006-05-25 7:11 ` Magnus Damm
2006-05-25 16:36 ` Eric W. Biederman
2006-05-26 2:23 ` Magnus Damm
2006-05-24 4:40 ` [PATCH 02/03] kexec: Avoid overwriting the current pgd (V2, i386) Magnus Damm
2006-05-24 22:58 ` Vivek Goyal
2006-05-25 2:14 ` Magnus Damm
2006-05-25 2:18 ` [Fastboot] " Eric W. Biederman
2006-05-25 2:38 ` [Fastboot] " Eric W. Biederman
2006-05-24 4:40 ` [PATCH 03/03] kexec: Avoid overwriting the current pgd (V2, x86_64) Magnus Damm
2006-05-25 2:50 ` [Fastboot] " Eric W. Biederman
2006-05-25 8:26 ` Magnus Damm
2006-05-25 15:21 ` Vivek Goyal
2006-05-26 10:42 ` Magnus Damm
2006-05-26 15:08 ` Vivek Goyal
2006-05-26 15:52 ` Magnus Damm
2006-05-25 16:01 ` Eric W. Biederman
2006-05-26 3:17 ` Magnus Damm
2006-05-26 16:32 ` Eric W. Biederman
2006-05-29 8:40 ` Magnus Damm
2006-05-31 17:19 ` Vivek Goyal
2006-05-26 7:40 ` Gerd Hoffmann
2006-05-26 9:02 ` Magnus Damm
2006-05-26 9:18 ` Eric W. Biederman [this message]
2006-05-26 9:29 ` Magnus Damm
2006-05-24 22:56 ` [PATCH 00/03] kexec: Avoid overwriting the current pgd (V2) Vivek Goyal
2006-05-25 2:09 ` Magnus Damm
2006-05-25 2:56 ` Eric W. Biederman
2006-05-25 3:30 ` Magnus Damm
2006-05-25 4:51 ` Eric W. Biederman
2006-05-25 7:29 ` [Fastboot] " Magnus Damm
2006-05-25 16:40 ` Eric W. Biederman
2006-05-26 1:57 ` Magnus Damm
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