From: Keir Fraser <keir@xensource.com>
To: "Zhai, Edwin" <edwin.zhai@intel.com>,
Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: switch out of 32e mode issue
Date: Tue, 03 Jul 2007 09:57:21 +0100 [thread overview]
Message-ID: <C2AFCE01.11C0A%keir@xensource.com> (raw)
In-Reply-To: <20070703065148.GD20797@edwin-srv.sh.intel.com>
On 3/7/07 07:51, "Zhai, Edwin" <edwin.zhai@intel.com> wrote:
> I have read the your changeset 13830
> "[XEN] kexec: add compatability shim for kexec in 32on64 mode", which seems to
> be used for kexec a 32b kernel on 32e xen.
You're aware it got broken when 64-bit Xen became relocatable (in physical
memory map), and was only fixed by changesets 15377 and 15379?
> I borrow some of the code from xen/arch/x86/x86_64/compat_kexec.S for similar
> purpose(switch out of 32e mode in xen) by similar way:
Why would you want to do that, except for kexec?
-- Keir
next prev parent reply other threads:[~2007-07-03 8:57 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-03 6:51 switch out of 32e mode issue Zhai, Edwin
2007-07-03 8:57 ` Keir Fraser [this message]
2007-07-03 9:32 ` Zhai, Edwin
2007-07-03 9:09 ` Ian Campbell
2007-07-03 9:48 ` Zhai, Edwin
2007-07-03 9:18 ` Ian Campbell
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