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<title>RE: [ofw] WDK build environment migration thoughts</title>
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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The __ptr64 sign extension happened with the DDK too – so why is
it suddenly an issue? Is it because 32-bit apps running on a 64-bit OS get a
lot of pointers with the MSb set?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>-Fab<o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> ofw-bounces@lists.openfabrics.org
[mailto:ofw-bounces@lists.openfabrics.org] <b>On Behalf Of </b>Alex Naslednikov<br>
<b>Sent:</b> Wednesday, April 30, 2008 9:47 AM<br>
<b>To:</b> Sean Hefty; Smith, Stan; Ishai Rabinovitz<br>
<b>Cc:</b> ofw@lists.openfabrics.org<br>
<b>Subject:</b> RE: [ofw] WDK build environment migration thoughts<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Yes, and our solution was dedicated to fix this problem as well.</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>Currently, it should not work (and I tested it - it indeed doesn't
work) because of __ptr64 problem.</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>This problem was described in details in my previous e-mails
because of signed pointer extension.</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>XaleX</span><o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Sean Hefty [mailto:sean.hefty@intel.com] <br>
<b>Sent:</b> Wednesday, April 30, 2008 5:02 PM<br>
<b>To:</b> Alex Naslednikov; Smith, Stan; Ishai Rabinovitz<br>
<b>Cc:</b> ofw@lists.openfabrics.org<br>
<b>Subject:</b> RE: [ofw] WDK build environment migration thoughts</span><o:p></o:p></p>
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<p><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:blue'>Also,
I'd like to point your attention, that these modules will work as is on
homogeneous systems (x86, x64), but not on mixed systems (x86 application on
x64 kernel)</span><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>Do
you know why this does not work? I would list fixing this as a
requirement before the next release. (Shouldn’t be too hard, I would
guess.)<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>Also,
I’m assuming based on previous discussions that this does break the ABI.
I never saw any response to my mail that this caused anyone any
heartaches, but we should number the July release 2.0, versus 1.2.<o:p></o:p></span></p>
<p><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:navy'>-
Sean<o:p></o:p></span></p>
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