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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Thu, 16 Sep 2010 00:22:25 +0000 (UTC)
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Subject: cvs commit: src/sys/powerpc/aim copyinout.c mmu_oea64.c slb.c
 trap.c src/sys/powerpc/include pcb.h pmap.h
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nwhitehorn    2010-09-16 00:22:25 UTC

  FreeBSD src repository

  Modified files:
    sys/powerpc/aim      copyinout.c mmu_oea64.c slb.c trap.c 
    sys/powerpc/include  pcb.h pmap.h 
  Log:
  SVN rev 212715 on 2010-09-16 00:22:25Z by nwhitehorn
  
  Replace the SLB backing store splay tree used on 64-bit PowerPC AIM
  hardware with a lockless sparse tree design. This marginally improves
  the performance of PMAP and allows copyin()/copyout() to run without
  acquiring locks when used on wired mappings.
  
  Submitted by:   mdf
  
  Revision  Changes    Path
  1.19      +15 -3     src/sys/powerpc/aim/copyinout.c
  1.40      +16 -9     src/sys/powerpc/aim/mmu_oea64.c
  1.3       +309 -120  src/sys/powerpc/aim/slb.c
  1.84      +17 -25    src/sys/powerpc/aim/trap.c
  1.14      +1 -0      src/sys/powerpc/include/pcb.h
  1.32      +11 -8     src/sys/powerpc/include/pmap.h