[Bugme-new] [Bug 12417] New: glx performance drop with: "x86: PAT: implement track/untrack of pfnmap regions for x86 - v3"

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sat Jan 10 16:47:56 PST 2009


http://bugzilla.kernel.org/show_bug.cgi?id=12417

           Summary: glx performance drop with: "x86: PAT: implement
                    track/untrack of pfnmap regions for x86 - v3"
           Product: Platform Specific/Hardware
           Version: 2.5
     KernelVersion: commit 5899329b19100c0b82dc78e9b21ed8b920c9ffb3
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: x86-64
        AssignedTo: platform_x86_64 at kernel-bugs.osdl.org
        ReportedBy: rjw at sisk.pl
OtherBugsDependingO 12398
             nThis:
        Regression: 1


Subject    : [regression] glx performance drop with: "x86: PAT: implement
track/untrack of pfnmap regions for x86 - v3"
Submitter  : Alexey Fisher <bug-track at fisher-privat.net>
Date       : 2009-01-06 18:46
References : http://marc.info/?l=linux-kernel&m=123126782822696&w=4
Handled-By : "Pallipadi, Venkatesh" <venkatesh.pallipadi at intel.com>

This entry is being used for tracking a regression from 2.6.28.  Please don't
close it until the problem is fixed in the mainline.

Introduced by:

commit 5899329b19100c0b82dc78e9b21ed8b920c9ffb3
Author: venkatesh.pallipadi at intel.com <venkatesh.pallipadi at intel.com>
Date:   Thu Dec 18 11:41:30 2008 -0800

    x86: PAT: implement track/untrack of pfnmap regions for x86 - v3

    Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi at intel.com>
    Signed-off-by: Suresh Siddha <suresh.b.siddha at intel.com>
    Signed-off-by: H. Peter Anvin <hpa at zytor.com>


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