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From: Nathan Whitehorn <nwhitehorn@FreeBSD.org>
Date: Sat, 20 Mar 2010 14:55:22 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/powerpc/aim interrupt.c src/sys/powerpc/booke
 interrupt.c
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nwhitehorn    2010-03-20 14:55:22 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/powerpc/aim      interrupt.c 
    sys/powerpc/booke    interrupt.c 
  Log:
  SVN rev 205375 on 2010-03-20 14:55:22Z by nwhitehorn
  
  MFC r204903:
  
  Place interrupt handling in a critical section and remove double
  counting in incrementing the interrupt nesting level. This fixes a number
  of bugs in which the interrupt thread could be preempted by an IPI,
  indefinitely delaying acknowledgement of the interrupt to the PIC, causing
  interrupt starvation and hangs.
  
  Reported by:    linimon
  Reviewed by:    marcel, jhb
  
  Revision  Changes    Path
  1.10.2.2  +4 -2      src/sys/powerpc/aim/interrupt.c
  1.2.2.2   +4 -4      src/sys/powerpc/booke/interrupt.c