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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sat, 22 Apr 2006 19:23:24 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/sys/netinet tcp_subr.c
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rwatson     2006-04-22 19:23:24 UTC

  FreeBSD src repository

  Modified files:
    sys/netinet          tcp_subr.c 
  Log:
  Introduce a new TCP mutex, isn_mtx, which protects the initial sequence
  number state, rather than re-using pcbinfo.  This introduces some
  additional mutex operations during isn query, but avoids hitting the TCP
  pcbinfo lock out of yet another frequently firing TCP timer.
  
  MFC after:      3 months
  
  Revision  Changes    Path
  1.248     +6 -3      src/sys/netinet/tcp_subr.c