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Date:      Fri, 29 Jun 2012 13:27:26 -0400
From:      George Neville-Neil <gnn@neville-neil.com>
To:        Fabian Keil <freebsd-listen@fabiankeil.de>
Cc:        Mark Peek <mp@FreeBSD.org>, freebsd-current@FreeBSD.org, pfg@freebsd.org
Subject:   Re: [RFT] llquantize for FreeBSD's dtrace
Message-ID:  <5993D573-4D53-44F5-BE8F-C48E9816398B@neville-neil.com>
In-Reply-To: <20120626210606.632498e2@fabiankeil.de>
References:  <4FE9EFF9.9080507@FreeBSD.org> <1340735734.53528.YahooMailClassic@web113510.mail.gq1.yahoo.com> <20120626210606.632498e2@fabiankeil.de>

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On Jun 26, 2012, at 15:06 , Fabian Keil wrote:

> Pedro Giffuni <pfg@freebsd.org> wrote:
> 
>> --- Mar 26/6/12, Mark Peek <mp@FreeBSD.org> ha scritto:
> 
>>> Try this, change the assert on line 1429 in file dt_cc.c
>>> from:
>>> 
>>> assert(!(arg & (UINT16_MAX << args[i].shift)));
>>> 
>>> to
>>> 
>>> assert(!(arg & ((uint64_t)UINT16_MAX <<
>>> args[i].shift)));
>>> 
>> 
>> This certainly looks correct. Thanks Mark !
>> 
>> I updated the patch:
>> 
>> http://people.freebsd.org/~pfg/patches/patch-dtrace-llquantize
> 
> Thanks a lot. Seems to work for me:
> 

And me as well.  I tested the example from the web site.

Nicely done!

Best,
George




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