From: Andrei Warkentin <awarkentin@vmware.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: /dev/mem "unbounded?"
Date: Wed, 9 Nov 2011 21:10:00 -0800 (PST) [thread overview]
Message-ID: <2060353978.365421.1320901800753.JavaMail.root@zimbra-prod-mbox-2.vmware.com> (raw)
In-Reply-To: <4EBB16BE.9050308@zytor.com>
Hi Peter,
----- Original Message -----
> From: "H. Peter Anvin" <hpa@zytor.com>
> To: "Andrei Warkentin" <awarkentin@vmware.com>
> Cc: "LKML" <linux-kernel@vger.kernel.org>
> Sent: Wednesday, November 9, 2011 7:11:42 PM
> Subject: Re: /dev/mem "unbounded?"
>
>
> Well, that mechanism is broken. The way it *should* work is that any
> region which is system RAM should be denied access, and the rest is
> accessible. The current behavior is a hack due to the behavior of
> some
> old versions of Xorg, but that has long been fixed.
>
Ah, ok, that seems very reasonable. Thank you for clarifying!
A
prev parent reply other threads:[~2011-11-10 5:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51331881.351549.1320871450391.JavaMail.root@zimbra-prod-mbox-2.vmware.com>
2011-11-09 21:01 ` Andrei Warkentin
2011-11-09 22:18 ` H. Peter Anvin
2011-11-09 22:38 ` Andrei Warkentin
2011-11-10 0:11 ` H. Peter Anvin
2011-11-10 5:10 ` Andrei Warkentin [this message]
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