From: George Dunlap <george.dunlap@eu.citrix.com>
To: Jan Beulich <JBeulich@suse.com>,
Roger Pau Monne <roger.pau@citrix.com>,
Eddie Dong <eddie.dong@intel.com>,
Jun Nakajima <jun.nakajima@intel.com>,
Mukesh Rathor <mukesh.rathor@oracle.com>
Cc: xen-devel@lists.xenproject.org, Keir Fraser <keir@xen.org>,
Tim Deegan <tim@xen.org>
Subject: Re: [PATCH 2/2] pvh: set only minimal cr0 and cr4 flags in order to use paging
Date: Mon, 25 Nov 2013 14:53:51 +0000 [thread overview]
Message-ID: <5293647F.3000200@eu.citrix.com> (raw)
In-Reply-To: <52935DEE0200007800106A66@nat28.tlf.novell.com>
On 11/25/2013 01:25 PM, Jan Beulich wrote:
>>>> On 19.11.13 at 13:34, Roger Pau Monne <roger.pau@citrix.com> wrote:
>> Right now Xen sets the WP and NE flags on cr0 for PVH, which are not
>> needed in order to boot with paging enabled. The same happens with
>> cr4, at least on my system OSFXSR, OSXMMEXCPT and MCE are enabled by
>> default when there's no need.
>>
>> Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
> So I'm still having this patch sitting in my queue, and I don't think I've
> seen an ack from the VMX maintainers or the main PVH contributors.
> At least one of the two I'd like to have in place before applying.
This sounds like a good idea to me, but I don't feel like I have a firm
enough grasp to give a reviewed-by; so:
Acked-by: George Dunlap <george.dunlap@eu.citrix.com>
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next prev parent reply other threads:[~2013-11-25 14:53 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-19 12:34 [PATCH 1/2] pvh: proposed BSP/AP bringup changes Roger Pau Monne
2013-11-19 12:34 ` [PATCH 1/2] pvh: clearly specify used parameters in vcpu_guest_context Roger Pau Monne
2013-11-19 13:32 ` Jan Beulich
2013-11-19 15:04 ` Roger Pau Monné
2013-11-19 15:34 ` Jan Beulich
2013-11-19 16:42 ` Roger Pau Monné
2013-11-19 16:53 ` Jan Beulich
2013-11-20 9:18 ` Roger Pau Monné
2013-11-20 9:28 ` Jan Beulich
2013-11-20 9:37 ` Roger Pau Monné
2013-11-20 9:54 ` Jan Beulich
2013-11-20 10:29 ` Roger Pau Monné
2013-11-20 18:19 ` George Dunlap
2013-11-20 18:24 ` Roger Pau Monné
2013-11-20 21:19 ` Mukesh Rathor
2013-11-22 17:38 ` George Dunlap
2013-11-21 13:16 ` Tim Deegan
2013-11-19 12:34 ` [PATCH 2/2] pvh: set only minimal cr0 and cr4 flags in order to use paging Roger Pau Monne
2013-11-19 13:34 ` Jan Beulich
2013-11-25 13:25 ` Jan Beulich
2013-11-25 14:53 ` George Dunlap [this message]
2013-11-25 22:39 ` Mukesh Rathor
2013-11-26 0:29 ` Dong, Eddie
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