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From: Chris Wilson <chris@chris-wilson.co.uk>
To: Eric Anholt <eric@anholt.net>, Ben Widawsky <ben@bwidawsk.net>,
	intel-gfx@lists.freedesktop.org
Subject: Re: No more read/write ioctls
Date: Fri, 08 Apr 2011 18:29:29 +0100	[thread overview]
Message-ID: <b7da2f$r17vi7@fmsmga001.fm.intel.com> (raw)
In-Reply-To: <87fwpsfz49.fsf@pollan.anholt.net>

On Fri, 08 Apr 2011 07:10:14 -1000, Eric Anholt <eric@anholt.net> wrote:
> I thought previously we had issues with debugfs nodes which could wedge
> the system (out of range mmio reads)?

Yes, we have indeed triggered hard hards by trying to read the wrong
registers before. That's why I was interested in seeing Ben codify the
reserved ranges so that we can have at least a warning before doing
something idiotic.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre

  reply	other threads:[~2011-04-08 17:29 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-01  1:31 [PATCH] drm/i915: read/write IOCTLs Ben Widawsky
2011-04-01  1:39 ` [PATCH v2] " Ben Widawsky
2011-04-01 23:54   ` Read/Write IOCTL compromise Ben Widawsky
2011-04-06 21:38     ` No more read/write ioctls Ben Widawsky
2011-04-08 17:10       ` Eric Anholt
2011-04-08 17:29         ` Chris Wilson [this message]
2011-04-01 23:54   ` [PATCH v3 1/2] drm/i915: read/write ioctls for userspace Ben Widawsky
2011-04-04 17:14     ` Chris Wilson
2011-04-05  1:30       ` Read/Write ioctls Ben Widawsky
2011-04-05  1:30       ` [PATCH v4] drm/i915: read/write ioctls for userspace Ben Widawsky
2011-04-01 23:54   ` [PATCH v3 2/2] drm/i915: debugfs for register write taint Ben Widawsky
2011-04-01  6:36 ` [PATCH] drm/i915: read/write IOCTLs Chris Wilson
2011-04-01  7:06   ` Ben Widawsky
2011-04-01  7:32     ` Chris Wilson
2011-04-01 18:51       ` Eric Anholt
2011-04-02  6:46         ` Chris Wilson
2011-04-02 15:16           ` Ben Widawsky
2011-04-04  1:35           ` Ben Widawsky
2011-04-04  7:36             ` Chris Wilson

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