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From: Marcel Moolenaar <marcel@FreeBSD.org>
Date: Mon, 14 Apr 2008 20:34:45 +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/ia64/ia64 sapic.c
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marcel      2008-04-14 20:34:45 UTC

  FreeBSD src repository

  Modified files:
    sys/ia64/ia64        sapic.c 
  Log:
  Revision 1.9 changes the delivery mode from the magic constant 0
  (i.e. fixed delivery) to SAPIC_DELMODE_LOWPRI. While the commit
  log doesn't mention the change in behaviour, it is believed to be
  deliberate. In the last 5.5 years this hasn't been a problem. Nor
  do I think did it make any difference, but who knows. However, I
  do know that it break SMP support for Montecito-based machines.
  Switch back to fixed-CPU delivery so that SMP works again. This
  gives me some time to look more closely at the problem, as well
  as make sure the I-cache validation as it's implemented currently
  is sufficient in SMP configurations...
  
  Revision  Changes    Path
  1.15      +1 -1      src/sys/ia64/ia64/sapic.c