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From: Xin LI <delphij@FreeBSD.org>
Date: Sun, 30 Jan 2005 13:37:25 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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X-FreeBSD-CVS-Branch: RELENG_5
Subject: cvs commit: src/sys/kern subr_trap.c
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delphij     2005-01-30 13:37:25 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/kern             subr_trap.c 
  Log:
  MFC revision 1.277
  date: 2004/12/26 07:30:35;  author: jeff;  state: Exp;  lines: +4 -5
   - Run sched_userret() after thread_userret().  Before, sched_userret() would
     lower the priority of the returning thread to a user priority before
     calling into thread_userret() which would call wakeup() which in turn would
     cause the returning thread to eventually context switch rather than
     completing its slice.  Allowing this thread to complete its slice first
     yields a 15% performance improvement in super-smack on my dual opteron with
     4BSD.
  
  This commit also containes rev. 1.278's style change.
  
  I've been running RELENG_5 with this change for two weeks.
  
  Revision   Changes    Path
  1.270.2.3  +5 -5      src/sys/kern/subr_trap.c