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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: <boris.ostrovsky@oracle.com>, Jason Andryuk <jandryuk@gmail.com>,
	"Juergen Gross" <jgross@suse.com>,
	Stefano Stabellini <sstabellini@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	<x86@kernel.org>, "H. Peter Anvin" <hpa@zytor.com>,
	<xen-devel@lists.xenproject.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options
Date: Thu, 15 Oct 2020 14:10:40 +0100	[thread overview]
Message-ID: <4e31301b-0e57-ac89-cd71-6ad5e1a66628@citrix.com> (raw)
In-Reply-To: <6cd9363c-ac0c-ea68-c8e7-9fd3cd30a89b@oracle.com>

On 15/10/2020 13:37, boris.ostrovsky@oracle.com wrote:
> On 10/14/20 1:53 PM, Jason Andryuk wrote:
>> +config XEN_512GB
>> +	bool "Limit Xen pv-domain memory to 512GB"
>> +	depends on XEN_PV && X86_64
>
> Why is X86_64 needed here?

>512G support was implemented using a direct-mapped P2M, and is rather
beyond the virtual address capabilities of 32bit.

~Andrew

  reply	other threads:[~2020-10-15 13:10 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-14 17:53 [PATCH 0/2] Remove Xen PVH dependency on PCI Jason Andryuk
2020-10-14 17:53 ` [PATCH 1/2] xen: Remove Xen PVH/PVHVM " Jason Andryuk
2020-10-15  8:10   ` Jan Beulich
2020-10-15 14:59     ` Jason Andryuk
2020-10-15 14:59       ` Jason Andryuk
2020-10-15 15:02       ` Jan Beulich
2020-10-15 15:08         ` Roger Pau Monné
2020-10-14 17:53 ` [PATCH 2/2] xen: Kconfig: nest Xen guest options Jason Andryuk
2020-10-15  9:41   ` Jürgen Groß
2020-10-15 14:52     ` Jason Andryuk
2020-10-15 14:52       ` Jason Andryuk
2020-10-15 12:37   ` boris.ostrovsky
2020-10-15 13:10     ` Andrew Cooper [this message]
2020-10-15 13:17       ` boris.ostrovsky
2020-10-15 14:50         ` Jason Andryuk
2020-10-15 14:50           ` Jason Andryuk
2020-10-14 18:04 ` [SUSPECTED SPAM][PATCH 0/2] Remove Xen PVH dependency on PCI Andrew Cooper
2020-10-14 19:31   ` Jason Andryuk
2020-10-14 19:31     ` Jason Andryuk
2020-12-16  7:01 ` [PATCH " Jürgen Groß

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