From: "H. Peter Anvin" <hpa@zytor.com>
To: akataria@vmware.com
Cc: Alok kataria <alokkataria1@gmail.com>,
Ingo Molnar <mingo@elte.hu>, Yan Li <elliot.li.tech@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"joerg.roedel@amd.com" <joerg.roedel@amd.com>,
"rjmaomao@gmail.com" <rjmaomao@gmail.com>,
Yinghai Lu <yhlu.kernel@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>,
Daniel Hecht <dhecht@vmware.com>, Zach Amsden <zach@vmware.com>
Subject: Re: [PATCH 1/2] VMware detection support for x86 and x86-64
Date: Wed, 24 Sep 2008 22:04:14 -0700 [thread overview]
Message-ID: <48DB1BCE.2070106@zytor.com> (raw)
In-Reply-To: <1222318928.23524.121.camel@alok-dev1>
Alok Kataria wrote:
>>>
>> You accessed a bloody I/O port!
>>
>> If you think it's harmless because it was an IN, you're sorely mistaken.
>
> Hi Peter,
>
> It would be really helpful if you could explain me when can this go
> wrong or what kinds of problems can this cause on native hardware.
>
You accessed an unknown I/O port.
This means you caused an unknown action in an unknown peripheral device.
This could cause ANYTHING to happen.
-hpa
next prev parent reply other threads:[~2008-09-25 5:04 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-21 11:32 [PATCH] X86: remove WARN_ON if MTRRs are all blank Joerg Roedel
2008-02-21 11:54 ` Ingo Molnar
2008-02-21 12:47 ` Joerg Roedel
2008-02-21 13:03 ` Ingo Molnar
2008-02-21 13:27 ` Joerg Roedel
2008-09-07 23:45 ` [PATCH 1/2] VMware detection support for x86 and x86-64 Yan Li
2008-09-08 0:36 ` David Dillow
2008-09-08 1:49 ` Yan Li
2008-09-08 14:04 ` Ingo Molnar
2008-09-09 0:20 ` Yan Li
2008-09-09 0:34 ` H. Peter Anvin
2008-09-09 12:28 ` Yan Li
2008-09-09 20:12 ` H. Peter Anvin
2008-09-16 13:32 ` Yan Li
2008-09-17 10:52 ` Ingo Molnar
2008-09-17 14:03 ` Yan Li
2008-09-17 14:10 ` Ingo Molnar
2008-09-17 15:38 ` H. Peter Anvin
2008-09-24 12:22 ` [PATCH 1/2] VMware guest detection " Yan Li
2008-09-24 14:10 ` Cristi Magherusan
2008-09-24 14:23 ` Yan Li
2008-09-24 16:19 ` Alok kataria
2008-09-24 16:21 ` H. Peter Anvin
2008-09-25 0:19 ` Yan Li
2008-09-25 0:15 ` Yan Li
2008-09-25 0:26 ` H. Peter Anvin
2008-09-25 2:34 ` Yan Li
2008-09-24 18:13 ` Cristi Magherusan
2008-09-24 18:16 ` H. Peter Anvin
2008-09-25 0:23 ` Yan Li
2008-09-25 1:28 ` Bernd Eckenfels
2008-09-24 16:19 ` H. Peter Anvin
2008-09-25 0:32 ` Yan Li
2008-09-25 0:37 ` H. Peter Anvin
2008-09-25 2:48 ` Yan Li
2008-09-25 9:56 ` David Sanders
2008-09-25 10:23 ` Yan Li
2008-09-25 2:23 ` Greg KH
2008-09-25 2:47 ` Yan Li
2008-09-25 2:55 ` Greg KH
2008-09-25 3:29 ` Yan Li
2008-09-25 4:54 ` H. Peter Anvin
2008-09-25 12:56 ` Greg KH
2008-09-25 14:38 ` Yan Li
2008-09-25 2:28 ` [PATCH 1/2] VMware detection support " Alok kataria
2008-09-25 4:38 ` H. Peter Anvin
2008-09-25 4:46 ` Alok Kataria
2008-09-25 4:54 ` H. Peter Anvin
2008-09-25 5:02 ` Alok Kataria
2008-09-25 5:04 ` H. Peter Anvin [this message]
2008-09-25 5:23 ` Alok Kataria
2008-09-25 5:30 ` H. Peter Anvin
2008-09-25 8:45 ` Alan Cox
2008-09-25 20:48 ` Zachary Amsden
2008-09-25 21:59 ` H. Peter Anvin
2008-09-25 22:20 ` Zachary Amsden
2008-09-25 22:27 ` H. Peter Anvin
2008-09-26 12:27 ` Valdis.Kletnieks
2008-09-26 12:47 ` Gerd Hoffmann
2008-09-26 13:22 ` Valdis.Kletnieks
2008-09-26 17:37 ` H. Peter Anvin
2008-10-03 14:12 ` Pavel Machek
2008-09-26 20:35 ` Zachary Amsden
2008-09-25 22:17 ` David Sanders
2008-09-07 23:47 ` [PATCH 2/2] avoid mtrr warning message when running as VMware guest Yan Li
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