[Bug 2047] New: Use of wbinvd() macro

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https://bugs.freedesktop.org/show_bug.cgi?id=2047        
   
           Summary: Use of wbinvd() macro
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Lib/GLX
        AssignedTo: xorg-bugzilla-noise at freedesktop.org
        ReportedBy: sndirsch at suse.de


in km_drm/ati_pcigart.h, there's assembly code to call the 
wbinvd (write back cache flush and invalidate) assembly insn 
on i386 and x86-64. 
 
The kernel offers to do this with the macro wbinvd() just as well. 
The advantage is that it would still even work on Xen which redefines 
the wbinvd() call according to it's needs.        
   
   
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