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From: Max Laier <mlaier@FreeBSD.org>
Date: Sun, 25 Nov 2007 12:41:47 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Cc: 
Subject: cvs commit: src/sys/net pfil.c pfil.h
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mlaier      2007-11-25 12:41:47 UTC

  FreeBSD src repository

  Modified files:
    sys/net              pfil.c pfil.h 
  Log:
  pfil(9) locking take 3:  Switch to rmlock(9)
  This has the benefit that rmlocks have proper support for reader recursion
  (in contrast to rwlock(9) which could potential lead to writer stravation).
  It also means a significant performance gain, eventhough only visible in
  microbenchmarks at the moment.
  
  Discussed on:   -arch, -net
  
  Revision  Changes    Path
  1.15      +6 -5      src/sys/net/pfil.c
  1.17      +9 -6      src/sys/net/pfil.h