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Message-ID: <Pine.LNX.4.44L0.0706262241480.23864-100000@netrider.rowland.org>
Date: Tue, 26 Jun 2007 22:43:59 -0400 (EDT)
From: Alan Stern <stern@...land.harvard.edu>
To: Roland McGrath <roland@...hat.com>
cc: Prasanna S Panchamukhi <prasanna@...ibm.com>,
Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: [RFC] hwbkpt: Hardware breakpoints (was Kwatch)
On Tue, 26 Jun 2007, Roland McGrath wrote:
> I needed the attached patch on top of the bptest patch for the current
> code. Btw, that is a very nice little tester!
I had already made some of those changes (the ones needed to make
bptest build with the new hw_breakpoint code). I'll add in the others.
> Below that is a patch to go on top of your current patch, with x86-64
> support. I've only tried a few trivial tests with bptest (including an
> 8-byte bp), which worked great. It is a pretty faithful copy of your i386
> changes. I'm still not sure we have all that right, but you might as well
> incorporate this into your patch. You should change the x86_64 code in
> parallel with any i386 changes we decide on later, and I can test it and
> send you any typo fixups or whatnot.
Right. I may update a few comments...
Alan Stern
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