From owner-cvs-all  Thu Mar 14 11:33:13 2002
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From: Doug Rabson <dfr@FreeBSD.org>
Date: Thu, 14 Mar 2002 11:33:05 -0800 (PST)
To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject: cvs commit: src/sys/ia64/ia64 swtch.s
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dfr         2002/03/14 11:33:05 PST

  Modified files:
    sys/ia64/ia64        swtch.s 
  Log:
  * Save and restore PCPU_GET(current_pmap) in pcb_pmap so that we don't
    lose if a process is preempted while pmap is temporarily switched to
    another pmap.
  * For SMP, drop the high-fp state when a thread is switched away from
    so that if another cpu resumes that thread, it doesn't have to play
    games with IPI to get ahold of the correct register values.
  
  Revision  Changes    Path
  1.18      +23 -11    src/sys/ia64/ia64/swtch.s

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