linux-kernel - Re: [PATCH 1/2] mmiotrace: fix buffer overrun detection

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Message-ID: <20081123215953.52da4dca@daedalus.pq.iki.fi>
Date:	Sun, 23 Nov 2008 21:59:53 +0200
From:	Pekka Paalanen <pq@....fi>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	linux-kernel <linux-kernel@...r.kernel.org>, fweisbec@...il.com
Subject: Re: [PATCH 1/2] mmiotrace: fix buffer overrun detection

On Sun, 23 Nov 2008 20:34:13 +0100
Ingo Molnar <mingo@...e.hu> wrote:

> 
> * Pekka Paalanen <pq@....fi> wrote:
> 
> > Ingo, could these two patches still make it into .28?
> 
> Sure - applied them to tip/tracing/urgent:
> 
>   fb91ee6: tracing, doc: update mmiotrace documentation
>   7ee1768: x86, mmiotrace: fix buffer overrun detection
> 
> Does this make mmiotrace fully functional in .28 ?

Yes, as fully as it was originally meant to be. Again.
I don't know of any more urgent bugs.

It passes the testmmiotrace.ko test, and also notices overruns if they
happen. Still untested with the nvidia proprietary driver, though, or
with SMP, but it should work.

btw. the testmmiotrace.ko testing cannot be automated, since it
involves writing to "somewhere" in the PCI address space and is
therefore a bit dangerous.


Thanks.

-- 
Pekka Paalanen
http://www.iki.fi/pq/
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