linux-kernel - Re: [PATCH] x86: add phys addr validity check for /dev/mem mmap

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Date:	Wed, 03 Apr 2013 19:14:55 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Simon Jeons <simon.jeons@...il.com>
CC:	Frantisek Hrbata <fhrbata@...hat.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
	oleg@...hat.com, kamaleshb@...ibm.com, hechjie@...ibm.com
Subject: Re: [PATCH] x86: add phys addr validity check for /dev/mem mmap

Because git didn't exist before then?

Simon Jeons <simon.jeons@...il.com> wrote:

>On 04/04/2013 09:32 AM, H. Peter Anvin wrote:
>> On 04/03/2013 06:17 PM, Simon Jeons wrote:
>>> e820 also contain mmio, correct?
>> No.
>>
>>> So cpu should not access address beyond
>>> e820 map(RAM+MMIO).
>> No.
>>
>> 	-hpa
>>
>>
>
>One offline question, why can't check git log before 2005?

-- 
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