From: Mick Jordan <Mick.Jordan@Sun.COM>
To: Keir Fraser <keir.fraser@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: Size limit on extra argument to xm create
Date: Mon, 12 Oct 2009 10:05:24 -0700 [thread overview]
Message-ID: <4AD361D4.8010500@Sun.COM> (raw)
In-Reply-To: <C6F5E8A9.171BD%keir.fraser@eu.citrix.com>
On 10/ 9/09 11:30 PM, Keir Fraser wrote:
> Since it's baked into the guest ABI, it's not expandable. It's rather likely
> you'll have to live with only 1024 characters of boot parameters: the
> horror!
>
I realize that 1024 seems large enough for a traditional OS. In my Java
Virtual Machine guest, I am faced with some applications that issue very
large command lines, certainly in excess of 1024. There are workarounds,
but it means I can't run certain apps out of the box.
> The initial ram disk is just an 'module' you can load into guest memory for
> interpretation by the guest kernel as it loads. Convention is to load it
> into RAM immediately after the guest kernel, and place its address and size
> into the mod_start/mod_len fields of start_info.
>
I assume this is specified via the "ramdisk" configuration file option?
Mick
next prev parent reply other threads:[~2009-10-12 17:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-10 3:49 Size limit on extra argument to xm create Mick Jordan
2009-09-10 4:00 ` Size limit on extra argument to xm create; RETRACT Mick Jordan
2009-10-09 19:57 ` Size limit on extra argument to xm create Mick Jordan
2009-10-09 20:31 ` Keir Fraser
2009-10-09 22:32 ` Mick Jordan
2009-10-10 6:30 ` Keir Fraser
2009-10-12 17:05 ` Mick Jordan [this message]
2009-10-12 17:15 ` Keir Fraser
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