cvs commit: src/sys/i386/i386 apic_vector.s mp_machdep.c src/sys/i386/include apicvar.h smp.h

[Xin LI]

delphij     2005-01-06 02:02:36 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_5)
    sys/i386/i386        apic_vector.s mp_machdep.c 
    sys/i386/include     apicvar.h smp.h 
  Log:
  MFC IPI panic fix done by Stephan Uphoff:
          sys/i386/i386/apic_vector.s     1.101 -> 1.102
          sys/i386/i386/mp_machdep.c      1.241 -> 1.243
          sys/i386/include/apicvar.h      1.8 -> 1.9
          sys/i386/include/smp.h          1.78 -> 1.79
  
  To quote the original commit message:
          Avoid more than two pending IPI interrupt vectors per local APIC
          as this may cause deadlocks.
  
          This should fix kern/72123.
  
          Discussed with: jhb
          Tested by: Nik Azim Azam, Andy Farkas, Flack Man, Aykut KARA
                     Izzet BESKARDES, Jens Binnewies, Karl Keusgen
          Approved by:    sam (mentor)
  
  This commit is a combination of Stephan's original one and John's style
  fix on mp_machdep.c.  I have tested the patch on various SMP boxes running
  RELENG_5_3 (4*P3 Xeon, 2*P4 w/HTT, 2*P4 Xeon configurations) under heavy
  load for a couple of weeks, so commit on behalf of Stephan when he is
  on vacation.
  
  RELENG_5_3 candidate after settle time.
  
  Discussed with: ups
  Reviewed by:    jhb
  
  Revision   Changes    Path
  1.101.2.1  +4 -52     src/sys/i386/i386/apic_vector.s
  1.235.2.4  +65 -37    src/sys/i386/i386/mp_machdep.c
  1.8.2.1    +42 -9     src/sys/i386/include/apicvar.h
  1.78.2.1   +2 -5      src/sys/i386/include/smp.h