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From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Sat, 13 Dec 2008 13:07:12 +0000 (UTC)
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Subject: cvs commit: src/sys/amd64/amd64 exception.S src/sys/dev/hwpmc
 hwpmc_mod.c src/sys/i386/i386 exception.s src/sys/kern subr_trap.c
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jkoshy      2008-12-13 13:07:12 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      exception.S 
    sys/dev/hwpmc        hwpmc_mod.c 
    sys/i386/i386        exception.s 
    sys/kern             subr_trap.c 
  Log:
  SVN rev 186037 on 2008-12-13 13:07:12Z by jkoshy
  
  - Bug fix: prevent a thread from migrating between CPUs between the
    time it is marked for user space callchain capture in the NMI
    handler and the time the callchain capture callback runs.
  
  - Improve code and control flow clarity by invoking hwpmc(4)'s user
    space callchain capture callback directly from low-level code.
  
  Reviewed by:    jhb (kern/subr_trap.c)
  Testing (various patch revisions): gnn,
                  Fabien Thomas <fabien dot thomas at netasq dot com>,
                  Artem Belevich <artemb at gmail dot com>
  
  Revision  Changes    Path
  1.134     +10 -6     src/sys/amd64/amd64/exception.S
  1.42      +61 -17    src/sys/dev/hwpmc/hwpmc_mod.c
  1.122     +10 -1     src/sys/i386/i386/exception.s
  1.306     +0 -8      src/sys/kern/subr_trap.c