From: Razvan Cojocaru <rzvncj@gmail.com>
To: Tim Deegan <tim@xen.org>
Cc: Andrew Cooper <Andrew.Cooper3@citrix.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>
Subject: Re: [PATCH] libxc: Add xc_domain_hvm_get_mtrr_type() call
Date: Thu, 20 Dec 2012 15:40:45 +0200 [thread overview]
Message-ID: <50D3155D.3010205@gmail.com> (raw)
In-Reply-To: <20121220115727.GG80837@ocelot.phlegethon.org>
>> Unfortunately, due to the design of components I don't control, my
>> application does not have the luxury of waiting for an MSR write event.
>
> Hmm. In that case I guess you can't cache the MTRR state between
> lookups, which may be a performance problem for you.
Indeed, however I do need the ability to pull the MTRR type for a given
address, via a userspace application, from the hypervisor.
I'll play around with the libxc implementation and see what I can come
up with, then if it'll all seem to work out I'll send the patch to
xen-devel.
Thanks,
Razvan Cojocaru
next prev parent reply other threads:[~2012-12-20 13:40 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-17 11:38 [PATCH] libxc: Add xc_domain_hvm_get_mtrr_type() call Razvan Cojocaru
2012-12-18 17:04 ` Ian Campbell
2012-12-18 17:24 ` Razvan Cojocaru
2012-12-19 10:14 ` Ian Campbell
2012-12-19 10:42 ` Razvan Cojocaru
2012-12-19 11:28 ` Ian Campbell
2012-12-19 11:49 ` Razvan Cojocaru
2012-12-19 12:00 ` Razvan Cojocaru
2012-12-19 14:57 ` Razvan Cojocaru
2012-12-19 15:00 ` Ian Campbell
2012-12-19 15:10 ` Razvan Cojocaru
2012-12-19 15:27 ` Andrew Cooper
2012-12-19 15:54 ` Ian Campbell
2012-12-19 16:11 ` Andrew Cooper
2012-12-19 16:15 ` Ian Campbell
2012-12-19 16:29 ` Razvan Cojocaru
2012-12-19 17:46 ` Tim Deegan
2012-12-19 19:35 ` Razvan Cojocaru
2012-12-20 11:57 ` Tim Deegan
2012-12-20 13:40 ` Razvan Cojocaru [this message]
2012-12-19 15:43 ` Razvan Cojocaru
2012-12-20 11:54 ` Tim Deegan
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