From: Anthony Liguori <anthony@codemonkey.ws>
To: Avi Kivity <avi@qumranet.com>
Cc: "Yang, Sheng" <sheng.yang@intel.com>,
kvm@vger.kernel.org, Glauber Costa <gcosta@redhat.com>,
glommer@gmail.com
Subject: Re: [PATCH] mask out clflush
Date: Thu, 10 Jul 2008 09:20:07 -0500 [thread overview]
Message-ID: <48761A97.7010500@codemonkey.ws> (raw)
In-Reply-To: <4876185B.9030609@qumranet.com>
Avi Kivity wrote:
> Anthony Liguori wrote:
>>
>> It's equivalent to a read from a VT perspective so if the read would
>> trap, the clflush instruction will trap.
>>
>
> Reads don't normally go through the emulator. Is the guest
> clflush()ing mmio addresses? Strange as these are not normally cached.
It seems so, Glauber mentioned that the address was an MMIO address.
Regards,
Anthony Liguori
next prev parent reply other threads:[~2008-07-10 14:20 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-08 18:29 [PATCH] mask out clflush Glauber Costa
2008-07-08 19:34 ` Anthony Liguori
2008-07-08 20:01 ` Glauber Costa
2008-07-10 10:43 ` Yang, Sheng
2008-07-10 13:30 ` Anthony Liguori
2008-07-10 13:34 ` Avi Kivity
2008-07-10 13:37 ` Anthony Liguori
2008-07-10 14:10 ` Avi Kivity
2008-07-10 14:20 ` Anthony Liguori [this message]
2008-07-10 14:45 ` Glauber Costa
2008-07-10 14:47 ` Avi Kivity
2008-07-10 15:37 ` Anthony Liguori
2008-07-10 15:39 ` Avi Kivity
2008-07-10 20:18 ` Glauber Costa
2008-07-13 7:58 ` Avi Kivity
2008-07-10 14:16 ` Avi Kivity
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