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Message-ID: <20171128101724.ol5sufd6x3qzomcc@MacBook-Pro-de-Roger.local>
Date: Tue, 28 Nov 2017 10:17:24 +0000
From: Roger Pau Monné <roger.pau@...rix.com>
To: Juergen Gross <jgross@...e.com>
CC: <linux-kernel@...r.kernel.org>, <xen-devel@...ts.xenproject.org>,
<x86@...nel.org>, <corbet@....net>, <rjw@...ysocki.net>,
<linux-acpi@...r.kernel.org>, <mingo@...hat.com>, <hpa@...or.com>,
<boris.ostrovsky@...cle.com>, <tglx@...utronix.de>,
<lenb@...nel.org>
Subject: Re: [Xen-devel] [PATCH 3/3] x86/xen: supply rsdp address in boot
params for pvh guests
On Tue, Nov 28, 2017 at 10:44:00AM +0100, Juergen Gross wrote:
> When booted via the special PVH entry save the RSDP address set in the
> boot information block in struct boot_params. This will enable Xen to
> locate the RSDP at an arbitrary address.
>
> Signed-off-by: Juergen Gross <jgross@...e.com>
> ---
> arch/x86/xen/enlighten_pvh.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c
> index 436c4f003e17..0175194f4236 100644
> --- a/arch/x86/xen/enlighten_pvh.c
> +++ b/arch/x86/xen/enlighten_pvh.c
> @@ -71,6 +71,8 @@ static void __init init_pvh_bootparams(void)
> */
> pvh_bootparams.hdr.version = 0x212;
Shouldn't this be 0x20e, like it's set in patch 1?
Roger.
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