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Subject: RE: Cougar memory
Date: Fri, 18 May 2007 09:07:38 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E03C0C544@onstor-exch02.onstor.net>
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Thread-Topic: Cougar memory
Thread-Index: AceXTCUHh0M0H9YDS4GgvP8uu+752ABsSeegAASqM7AAFaMo4A==
References: <BB375AF679D4A34E9CA8DFA650E2B04E03B6ED53@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E03C0C444@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E02FB254C@onstor-exch02.onstor.net>
From: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>
To: "Bill Nadzam" <bill.nadzam@onstor.com>,
	"Brian Stark" <brian.stark@onstor.com>
Cc: "dl-Cougar" <dl-Cougar@onstor.com>

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Why spend TLB entries? Just use the XKSEG mappings.

=20

________________________________

From: Bill Nadzam=20
Sent: Thursday, May 17, 2007 10:47 PM
To: Brian Stark
Cc: dl-Cougar
Subject: RE: Cougar memory

=20

This is great news!

Thanks.

=20

________________________________

From: Brian Stark
Sent: Thu 5/17/2007 8:38 PM
To: Bill Nadzam
Subject: RE: Cougar memory

Bill,

=20

This will be the same on Cougar and won't be an issue for the SiBytes.
For reading memory that was written by the QLogic, the SiByte will use
TLB entries that point to uncached memory space. =20

=20

=20

Brian

=20

	=20

=09
________________________________


	From: Bill Nadzam=20
	Sent: Tuesday, May 15, 2007 4:53 PM
	To: Brian Stark
	Subject: Cougar memory

	In the Cheetah and Bobcat we had to use special addressing for
uncached memory space.

	This would be done whenever we read memory that was written by
the QLogic part.

	=20

	Is this a problem for the Cougar?


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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Why spend TLB entries? Just use the =
XKSEG
mappings.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

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<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> =
<st1:PersonName
w:st=3D"on">Bill Nadzam</st1:PersonName> <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Thursday, May 17, =
2007 10:47
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Brian Stark<br>
<b><span style=3D'font-weight:bold'>Cc:</span></b> dl-Cougar<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: Cougar =
memory</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div id=3DidOWAReplyText99751>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblack face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:black'>This is great =
news!</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks.</span></font><o:p></o:p></p>

</div>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabIndex=3D-1>

</span></font></div>

<p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><b><font size=3D2 =
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style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</spa=
n></font></b><font
size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma'> Brian
Stark<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Thu 5/17/2007 8:38 =
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> <st1:PersonName =
w:st=3D"on">Bill
 Nadzam</st1:PersonName><br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: Cougar =
memory</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Bill,</span></font><o:p></o:p></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>This will be the same on Cougar and =
won't
be an issue for the SiBytes.&nbsp; For reading memory that was written =
by the
QLogic, the SiByte will use&nbsp;TLB entries that point to uncached =
memory
space. &nbsp;</span></font><o:p></o:p></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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style=3D'font-size:
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<p class=3DMsoNormal><font size=3D2 color=3Dblue face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:blue'>Brian</span></font><o:p></o:p></p>

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>

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<p class=3DMsoNormal style=3D'margin-bottom:12.0pt'><b><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</spa=
n></font></b><font
size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;font-family:Tahoma'> <st1:PersonName
w:st=3D"on">Bill Nadzam</st1:PersonName> <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Tuesday, May 15, =
2007 4:53
PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Brian Stark<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Cougar =
memory</span></font><o:p></o:p></p>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>In the Cheetah and Bobcat we had to use special =
addressing
for uncached memory space.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>This would be done whenever we read memory that was =
written
by the QLogic part.</span></font><o:p></o:p></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

</div>

<div>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Is this a problem for the =
Cougar?</span></font><o:p></o:p></p>

</div>

</blockquote>

</div>

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