From: Daniel De Graaf <dgdegra@tycho.nsa.gov>
To: Keir Fraser <keir.fraser@eu.citrix.com>
Cc: xen-devel <xen-devel@lists.xensource.com>
Subject: Re: [PATCH, RFC] Add sysctl to HVM hypercall table
Date: Wed, 08 Sep 2010 12:00:06 -0400 [thread overview]
Message-ID: <4C87B306.7050006@tycho.nsa.gov> (raw)
In-Reply-To: <C8ACFC11.125AF%keir.fraser@eu.citrix.com>
On 09/08/2010 11:38 AM, Keir Fraser wrote:
> On 08/09/2010 08:20, "Daniel De Graaf" <dgdegra@tycho.nsa.gov> wrote:
>
>> The sysctl hypercall should be callable from HVM guests.
>
> Why?
>
> K.
I would like to be able to call xc_domain_getinfolist from an HVM driver
domain. This uses the XEN_SYSCTL_getdomaininfolist sysctl.
>>
>> It may be useful to add all (or almost all) hypercalls to the HVM
>> hypercall table, rather than adding them one at a time when it is found
>> that a useful one is missing. While a few hypercalls don't make sense
>> when calling from HVM, any call that can interact with global xen state
>> or another domain could be useful to an HVM driver domain. Thoughts?
>
>
--
Daniel De Graaf
National Security Agency
next prev parent reply other threads:[~2010-09-08 16:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-08 15:20 [PATCH, RFC] Add sysctl to HVM hypercall table Daniel De Graaf
2010-09-08 15:38 ` Keir Fraser
2010-09-08 16:00 ` Daniel De Graaf [this message]
2010-09-08 21:02 ` Keir Fraser
2010-09-08 21:15 ` Daniel De Graaf
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