From: Avi Kivity <avi@qumranet.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Gleb Natapov <gleb@qumranet.com>,
Dor Laor <dor.laor@qumranet.com>,
kvm@vger.kernel.org
Subject: Re: [PATCH 2/2] Remove -tdf
Date: Sun, 27 Jul 2008 12:38:29 +0300 [thread overview]
Message-ID: <488C4215.9010509@qumranet.com> (raw)
In-Reply-To: <48874EBC.1050209@codemonkey.ws>
Anthony Liguori wrote:
>
> I think there's a healthy amount of scepticism about whether tdf
> really is worth it. This is why I suggested that we need to better
> quantify exactly how much this patch set helps things. For instance,
> a time drift test for kvm-autotest would be perfect.
>
> tdf is ugly and deviates from how hardware works. A compelling case
> is needed to justify it.
>
On real hardware, the processor won't go away randomly for lengthy
periods. Since software assumes this, we must either provide a
correction or live with guest time not corresponding to real time.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2008-07-27 9:38 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-22 19:50 [PATCH 1/2] Fix bad merge Anthony Liguori
2008-07-22 19:50 ` [PATCH 2/2] Remove -tdf Anthony Liguori
2008-07-22 22:03 ` Dor Laor
2008-07-23 1:20 ` Anthony Liguori
2008-07-23 2:46 ` David S. Ahern
2008-07-23 5:58 ` Gleb Natapov
2008-07-23 15:31 ` Anthony Liguori
2008-07-24 22:55 ` Dor Laor
2008-07-27 9:38 ` Avi Kivity [this message]
2008-07-27 8:05 ` Avi Kivity
2008-07-27 8:02 ` [PATCH 1/2] Fix bad merge Avi Kivity
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