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From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Juergen Gross <jgross@suse.com>
Cc: <linux-kernel@vger.kernel.org>, <xen-devel@lists.xenproject.org>,
	<x86@kernel.org>, <corbet@lwn.net>, <rjw@rjwysocki.net>,
	<linux-acpi@vger.kernel.org>, <mingo@redhat.com>, <hpa@zytor.com>,
	<boris.ostrovsky@oracle.com>, <tglx@linutronix.de>,
	<lenb@kernel.org>
Subject: Re: [Xen-devel] [PATCH 1/3] x86/boot: add acpi rsdp address to setup_header
Date: Tue, 28 Nov 2017 10:07:02 +0000	[thread overview]
Message-ID: <20171128100702.ruegydc6grrbxuvc@MacBook-Pro-de-Roger.local> (raw)
In-Reply-To: <20171128094400.25955-2-jgross@suse.com>

On Tue, Nov 28, 2017 at 10:43:58AM +0100, Juergen Gross wrote:
> Xen PVH guests receive the address of the RSDP table from Xen. In order
> to support booting a Xen PVH guest via grub2 using the standard x86
> boot entry we need a way fro grub2 to pass the RSDP address to the
> kernel.
> 
> For this purpose expand the struct setup_header to hold the physical
> address of the RSDP address. Being zero means it isn't specified and
> has to be located the legacy way (searching through low memory or
> EBDA).
> 
> Signed-off-by: Juergen Gross <jgross@suse.com>

Reviewed-by: Roger Pau Monné <roger.pau@citrix.com>

Thanks, Roger.

  reply	other threads:[~2017-11-28 10:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-28  9:43 [PATCH 0/3] x86: make rsdp address accessible via boot params Juergen Gross
2017-11-28  9:43 ` [PATCH 1/3] x86/boot: add acpi rsdp address to setup_header Juergen Gross
2017-11-28 10:07   ` Roger Pau Monné [this message]
2017-11-28  9:43 ` [PATCH 2/3] x86/acpi: take rsdp address for boot params if available Juergen Gross
2017-11-28 10:18   ` [Xen-devel] " Roger Pau Monné
2017-11-28 10:30     ` Juergen Gross
2017-11-28 10:48       ` Roger Pau Monné
2017-11-28  9:44 ` [PATCH 3/3] x86/xen: supply rsdp address in boot params for pvh guests Juergen Gross
2017-11-28 10:17   ` [Xen-devel] " Roger Pau Monné
2017-11-28 10:47     ` Juergen Gross
2017-11-28 21:03 ` [PATCH 0/3] x86: make rsdp address accessible via boot params Rafael J. Wysocki
2017-11-29  7:56   ` Juergen Gross

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