From: Tim Deegan <tim@xen.org>
To: Razvan Cojocaru <rzvncj@gmail.com>
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 11:57:27 +0000 [thread overview]
Message-ID: <20121220115727.GG80837@ocelot.phlegethon.org> (raw)
In-Reply-To: <50D216F7.2050801@gmail.com>
At 21:35 +0200 on 19 Dec (1355952919), Razvan Cojocaru wrote:
> > result can be cached (since you can also get a mem-event on MSR writes,
> > you don't have to pull all this MTRR state out of the giuest except when
> > the MTRRs have been changed).
>
> 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.
> (Has my MSR mem_event patch been acknowledged? Or was this already work
> in progress? I had to patch my Xen source code to be able to get MSR
> events...)
I've replied to that separately.
Cheers,
Tim.
next prev parent reply other threads:[~2012-12-20 11:57 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 [this message]
2012-12-20 13:40 ` Razvan Cojocaru
2012-12-19 15:43 ` Razvan Cojocaru
2012-12-20 11:54 ` Tim Deegan
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