From: Keir Fraser <keir@xensource.com>
To: Quang Ngo <quang4ngo@hotmail.com>,
"Petersson, Mats" <mats.petersson@amd.com>,
xen-devel@lists.xensource.com
Subject: Re: Version Detection
Date: Tue, 19 Jun 2007 17:15:38 +0100 [thread overview]
Message-ID: <C29DBFBA.10E82%keir@xensource.com> (raw)
In-Reply-To: <BAY132-W119F065A154C0E9F429A4FF1120@phx.gbl>
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On 19/6/07 16:47, "Quang Ngo" <quang4ngo@hotmail.com> wrote:
> Thanks for your response. It would be nice if there is some sort of version
> info in the XEN vmlinuz image. Regular vmlinuz has signature at offset 0x202
> ("HdrS") and kernel info at an offset (specified at 0x20e) + 0x200.
>
> Also, I wish there is version info in /proc/xen.
>
> If you find a way to find version info for a XEN vmlinuz image please let me
> know.
We could add something quite easily for Xen itself, although bear in mind
that both xen-syms and xen.gz are Elf files, so putting info at a fixed
offset won¹t work. We could put the info at a fixed offset into the text
segment (e.g., immediately before or after the multiboot header).
Doing the same for vmlinux files is a bit tricky. There are lots of Xen
repositories maintained independently now, and getting everyone to agree on
versioning information would likely be tricky. And soon enough Xen support
will be in mainline, and discussions on image format and boot protocol are
still in progress there.
-- Keir
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next prev parent reply other threads:[~2007-06-19 16:15 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-19 15:47 Version Detection Quang Ngo
2007-06-19 16:15 ` Keir Fraser [this message]
-- strict thread matches above, loose matches on Subject: below --
2007-06-18 18:32 Quang Ngo
2007-06-19 10:58 ` Petersson, Mats
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