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From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [PATCH] enable to read region 5 from /dev/kmem
Date: Tue, 12 Jul 2005 01:16:47 +0000	[thread overview]
Message-ID: <42D319FF.40604@jp.fujitsu.com> (raw)
In-Reply-To: <42C501CD.4010907@jp.fujitsu.com>

Chen, Kenneth W wrote:
> KAMEZAWA Hiroyuki wrote on Monday, July 11, 2005 5:14 PM
> 
>>By the way, can ia64's copy_to_user(from, buf, size) catch bad "from" ?
> 
> 
> Yes, it has exception handler for both source and destination address.
> 

Thank you.

One more question:
Is a user allowd to access region 0-4 from /dev/kmem ? (I thnk it's not allowed)
This patch disables that.

Regards,
Kamezawa Hiroyuki


  parent reply	other threads:[~2005-07-12  1:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-01  8:41 [PATCH] enable to read region 5 from /dev/kmem KAMEZAWA Hiroyuki
2005-07-11 23:02 ` Luck, Tony
2005-07-12  0:14 ` KAMEZAWA Hiroyuki
2005-07-12  0:22 ` Chen, Kenneth W
2005-07-12  1:16 ` KAMEZAWA Hiroyuki [this message]
2005-07-12  7:18 ` KAMEZAWA Hiroyuki
2005-07-12 17:14 ` Luck, Tony
2005-07-12 18:23 ` david mosberger
2005-07-12 19:05 ` Luck, Tony
2005-07-12 21:39 ` david mosberger
2005-07-12 22:08 ` Luck, Tony
2005-07-13  0:33 ` KAMEZAWA Hiroyuki

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