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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

  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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