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From: "Roger Pau Monné" <roger.pau@citrix.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: George Dunlap <george.dunlap@eu.citrix.com>,
	xen-devel@lists.xenproject.org, Keir Fraser <keir@xen.org>,
	Tim Deegan <tim@xen.org>
Subject: Re: [PATCH 1/2] pvh: clearly specify used parameters in vcpu_guest_context
Date: Wed, 20 Nov 2013 10:37:12 +0100	[thread overview]
Message-ID: <528C82C8.3080103@citrix.com> (raw)
In-Reply-To: <528C8ECA0200007800104EA4@nat28.tlf.novell.com>

On 20/11/13 10:28, Jan Beulich wrote:
>>>> On 20.11.13 at 10:18, Roger Pau Monné<roger.pau@citrix.com> wrote:
>> On 19/11/13 17:53, Jan Beulich wrote:
>>>>>> On 19.11.13 at 17:42, Roger Pau Monné<roger.pau@citrix.com> wrote:
>>>> Trying to make all those fields functional on PVH (or HVM) is quite
>>>> useless IMHO, it's going to add more code that I doubt anyone is going
>>>> to use when you can instead use the bare metal functions to set all
>>>> those things (and from an OS point of view it's also more comfortable
>>>> because you need less Xen specific stuff).
>>>
>>> That last part I certainly agree to, but that would apply to CR0
>>> and CR4 just as much.
>>
>> I've removed the usage of anything that's not strictly necessary in 
>> order to do AP bringup, so I've removed the setting of debugregs:
> 
> You can't - this code is also used for HVM guests.

Yes, my fault, I erroneously thought this was introduced by 35b1e076,
but it has been there longer than that. Would you agree to a patch
similar to the one posted, but without touching the setting of debugregs?


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  reply	other threads:[~2013-11-20  9:37 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 [this message]
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
2013-11-25 22:39       ` Mukesh Rathor
2013-11-26  0:29   ` Dong, Eddie

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