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From: Chris Dearman <chris@mips.com>
To: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips <linux-mips@linux-mips.org>
Subject: Re: [PATCH] Avoid potential hazard on Context register
Date: Sun, 11 Oct 2009 13:05:52 -0700	[thread overview]
Message-ID: <4AD23AA0.9010702@mips.com> (raw)
In-Reply-To: <20091011133912.GA15684@linux-mips.org>

Ralf Baechle wrote:

> I'm curious, did you actually manage to trigger this one?  The time between
> the instructions should be fairly long but then again the 34K has been
> good for a few surprises!

Yes... It actually showed up in 74k silicon at particular clock 
frequencies. The dual issue pipeline does make it susceptible to these 
"theoretical" problems ;)

Chris

-- 
Chris Dearman               Desk: +1 408 530 5092  Cell: +1 650 224 8603
MIPS Technologies Inc            955 East Arques Ave, Sunnyvale CA 94085

      parent reply	other threads:[~2009-10-11 20:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-10-11  6:07 [PATCH] Avoid potential hazard on Context register Chris Dearman
2009-10-11 13:39 ` Ralf Baechle
2009-10-11 14:53   ` Ralf Baechle
2009-10-11 20:26     ` Chris Dearman
2009-10-12  3:20       ` Ralf Baechle
2009-10-11 20:05   ` Chris Dearman [this message]

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