From: Andi Kleen <ak@suse.de>
To: virtualization@lists.osdl.org
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>,
Andrew Morton <akpm@osdl.org>,
Xen-devel <xen-devel@lists.xensource.com>,
Ian Pratt <ian.pratt@xensource.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Chris Wright <chrisw@sous-sol.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Christoph Lameter <clameter@sgi.com>
Subject: Re: [PATCH 8 of 13] Add a bootparameter to reserve high linear address space for hypervisors
Date: Tue, 1 Aug 2006 23:47:20 +0200 [thread overview]
Message-ID: <200608012347.20556.ak@suse.de> (raw)
In-Reply-To: <0adfc39039c79e4f4121.1154462446@ezr>
> + /*
> + * reservedtop=size reserves a hole at the top of the kernel
> + * address space which a hypervisor can load into later.
> + * Needed for dynamically loaded hypervisors, so relocating
> + * the fixmap can be done before paging initialization.
> + * This hole must be a multiple of 4M.
> + */
> + else if (!memcmp(from, "reservedtop=", 12)) {
> + unsigned long reserved = memparse(from+12, &from);
> + reserved &= ~0x3fffff;
> + set_fixaddr_top(-reserved);
> + }
You need to add a dummy __setup for it, otherwise it will end up in
init's environments or be warned about.
Also it should be documented somewhere in Documentation
-Andi
next parent reply other threads:[~2006-08-01 21:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <0adfc39039c79e4f4121.1154462446@ezr>
2006-08-01 21:47 ` Andi Kleen [this message]
2006-08-02 0:48 ` [PATCH 8 of 13] Add a bootparameter to reserve high linear address space for hypervisors Rusty Russell
2006-08-02 2:59 ` Andi Kleen
2006-08-02 3:54 ` [Xen-devel] " Rusty Russell
2006-08-02 4:21 ` Andi Kleen
2006-08-02 4:33 ` Rusty Russell
2006-08-02 4:36 ` Andi Kleen
2006-08-02 5:20 ` Rusty Russell
2006-08-02 5:24 ` Andi Kleen
2006-08-02 9:06 ` [PATCH 1/2] Allow early_param and identical __setup to exist Rusty Russell
2006-08-02 9:08 ` [PATCH 2/2] Replace i386 open-coded cmdline parsing with early_param/parse_early_param Rusty Russell
2006-08-02 9:24 ` Andi Kleen
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