From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Date: Fri, 03 Jun 2005 18:11:25 +0000
Subject: RE: Initialization of cr.dcr
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To: linux-ia64@vger.kernel.org

Christian Hildner wrote on Friday, June 03, 2005 2:02 AM
> playing around with speculation I found that on initialization dcr.dm is 
> not set, while the comment says "Initialize default control register to 
> defer all speculative faults". To be conform to the comment (and also to 
> the expected behavior) the value IA64_DCR_DM should be added in 
> arch/ia64/kernel/setup.c.

It should be the other way around: update the comments to reflect what
the code does.  Turning off dcr.dm is a big win for speculative load
where you do want the tlb miss to be serviced up front.

- Ken