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From: Rusty Russell <rusty@rustcorp.com.au>
To: Andrew Morton <akpm@osdl.org>
Cc: chrisw@sous-sol.org, xen-devel@lists.xensource.com,
	linux-kernel@vger.kernel.org, virtualization@lists.osdl.org
Subject: Re: [patch 7/8] Add a bootparameter to reserve high linear address space.
Date: Sun, 06 Aug 2006 09:17:29 +1000	[thread overview]
Message-ID: <1154819850.29151.3.camel@localhost.localdomain> (raw)
In-Reply-To: <20060805145840.653912a2.akpm@osdl.org>

On Sat, 2006-08-05 at 14:58 -0700, Andrew Morton wrote:
> On Thu, 03 Aug 2006 01:58:32 -0700
> Zachary Amsden <zach@vmware.com> wrote:
> 
> > Add a bootparameter to reserve high linear address space for hypervisors.
> > This is necessary to allow dynamically loaded hypervisor modules, which
> > might not happen until userspace is already running, and also provides a
> > useful tool to benchmark the performance impact of reduced lowmem address
> > space.
> 
> Andi has gone and rotorooted the x86 boot parameter handling in there. 

That was me, via Andi, but yep:

> diff -puN arch/i386/kernel/setup.c~x86-add-a-bootparameter-to-reserve-high-linear-address-space arch/i386/kernel/setup.c
> --- a/arch/i386/kernel/setup.c~x86-add-a-bootparameter-to-reserve-high-linear-address-space
> +++ a/arch/i386/kernel/setup.c
> @@ -149,6 +149,12 @@ static char command_line[COMMAND_LINE_SI
>  
>  unsigned char __initdata boot_params[PARAM_SIZE];
>  
> +static int __init setup_reservetop(char *s)
> +{
> +	return 1;
> +}
> +__setup("reservetop", setup_reservetop);
> +
>  static struct resource data_resource = {
>  	.name	= "Kernel data",
>  	.start	= 0,

Please remove this hunk: it's now junk.

Cheers,
Rusty.
-- 
Help! Save Australia from the worst of the DMCA: http://linux.org.au/law

  parent reply	other threads:[~2006-08-05 23:17 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20060803002510.634721860@xensource.com>
     [not found] ` <20060803002518.595166293@xensource.com>
     [not found]   ` <20060802231912.ed77f930.akpm@osdl.org>
     [not found]     ` <44D1A6B6.8040003@vmware.com>
     [not found]       ` <20060803004144.554d9882.akpm@osdl.org>
     [not found]         ` <44D1BAB8.8070509@vmware.com>
2006-08-05 21:58           ` [patch 7/8] Add a bootparameter to reserve high linear address space Andrew Morton
2006-08-05 22:52             ` Zachary Amsden
2006-08-05 23:17             ` Rusty Russell [this message]
2006-08-06 22:00   ` Pavel Machek
2006-08-06 22:02   ` Pavel Machek
     [not found]   ` <19700101001522.GA3999@ucw.cz>
2006-08-07  2:10     ` Andi Kleen
2010-05-04 23:37     ` Jeremy Fitzhardinge
2006-08-07  9:12   ` Pavel Machek

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