cvs commit: src/sys/amd64/amd64 machdep.c pmap.c src/sys/arm/arm pmap.c src/sys/arm/at91 kb920x_machdep.c src/sys/arm/sa11x0 assabet_machdep.c src/sys/arm/xscale/i80321 ep80219_machdep.c iq31244_machdep.c src/sys/arm/xscale/i8134x crb_machdep.c ...

[Konstantin Belousov]

kib         2007-11-05 11:36:17 UTC

  FreeBSD src repository

  Modified files:
    sys/amd64/amd64      machdep.c pmap.c 
    sys/arm/arm          pmap.c 
    sys/arm/at91         kb920x_machdep.c 
    sys/arm/sa11x0       assabet_machdep.c 
    sys/arm/xscale/i80321 ep80219_machdep.c iq31244_machdep.c 
    sys/arm/xscale/i8134x crb_machdep.c 
    sys/arm/xscale/ixp425 avila_machdep.c 
    sys/compat/pecoff    imgact_pecoff.c 
    sys/compat/svr4      imgact_svr4.c 
    sys/i386/i386        machdep.c pmap.c 
    sys/i386/ibcs2       imgact_coff.c 
    sys/i386/linux       imgact_linux.c 
    sys/ia64/ia64        machdep.c pmap.c 
    sys/kern             imgact_aout.c imgact_elf.c imgact_gzip.c 
                         kern_exec.c kern_fork.c kern_kse.c 
                         kern_proc.c kern_sig.c kern_thr.c 
                         kern_thread.c 
    sys/pc98/pc98        machdep.c 
    sys/powerpc/powerpc  machdep.c pmap_dispatch.c 
    sys/sparc64/sparc64  machdep.c pmap.c 
    sys/sun4v/sun4v      machdep.c pmap.c 
    sys/sys              proc.h signalvar.h 
    sys/vm               pmap.h vm_extern.h vm_glue.c vm_map.c 
  Log:
  Fix for the panic("vm_thread_new: kstack allocation failed") and
  silent NULL pointer dereference in the i386 and sparc64 pmap_pinit()
  when the kmem_alloc_nofault() failed to allocate address space. Both
  functions now return error instead of panicing or dereferencing NULL.
  
  As consequence, vmspace_exec() and vmspace_unshare() returns the errno
  int. struct vmspace arg was added to vm_forkproc() to avoid dealing
  with failed allocation when most of the fork1() job is already done.
  
  The kernel stack for the thread is now set up in the thread_alloc(),
  that itself may return NULL. Also, allocation of the first process
  thread is performed in the fork1() to properly deal with stack
  allocation failure. proc_linkup() is separated into proc_linkup()
  called from fork1(), and proc_linkup0(), that is used to set up the
  kernel process (was known as swapper).
  
  In collaboration with:  Peter Holm
  Reviewed by:    jhb
  
  Revision  Changes    Path
  1.677     +1 -1      src/sys/amd64/amd64/machdep.c
  1.592     +3 -1      src/sys/amd64/amd64/pmap.c
  1.88      +2 -1      src/sys/arm/arm/pmap.c
  1.27      +1 -1      src/sys/arm/at91/kb920x_machdep.c
  1.22      +1 -1      src/sys/arm/sa11x0/assabet_machdep.c
  1.8       +1 -1      src/sys/arm/xscale/i80321/ep80219_machdep.c
  1.29      +1 -1      src/sys/arm/xscale/i80321/iq31244_machdep.c
  1.3       +1 -1      src/sys/arm/xscale/i8134x/crb_machdep.c
  1.6       +1 -1      src/sys/arm/xscale/ixp425/avila_machdep.c
  1.41      +5 -1      src/sys/compat/pecoff/imgact_pecoff.c
  1.26      +3 -1      src/sys/compat/svr4/imgact_svr4.c
  1.660     +1 -1      src/sys/i386/i386/machdep.c
  1.596     +8 -1      src/sys/i386/i386/pmap.c
  1.68      +3 -1      src/sys/i386/ibcs2/imgact_coff.c
  1.56      +3 -1      src/sys/i386/linux/imgact_linux.c
  1.226     +1 -1      src/sys/ia64/ia64/machdep.c
  1.192     +2 -1      src/sys/ia64/ia64/pmap.c
  1.102     +3 -1      src/sys/kern/imgact_aout.c
  1.179     +3 -1      src/sys/kern/imgact_elf.c
  1.56      +5 -1      src/sys/kern/imgact_gzip.c
  1.310     +3 -1      src/sys/kern/kern_exec.c
  1.287     +34 -7     src/sys/kern/kern_fork.c
  1.236     +30 -13    src/sys/kern/kern_kse.c
  1.253     +13 -15    src/sys/kern/kern_proc.c
  1.352     +1 -1      src/sys/kern/kern_sig.c
  1.63      +2 -0      src/sys/kern/kern_thr.c
  1.257     +22 -5     src/sys/kern/kern_thread.c
  1.397     +1 -1      src/sys/pc98/pc98/machdep.c
  1.104     +1 -1      src/sys/powerpc/powerpc/machdep.c
  1.10      +2 -1      src/sys/powerpc/powerpc/pmap_dispatch.c
  1.139     +1 -1      src/sys/sparc64/sparc64/machdep.c
  1.167     +6 -1      src/sys/sparc64/sparc64/pmap.c
  1.16      +1 -1      src/sys/sun4v/sun4v/machdep.c
  1.40      +2 -1      src/sys/sun4v/sun4v/pmap.c
  1.493     +1 -0      src/sys/sys/proc.h
  1.78      +1 -0      src/sys/sys/signalvar.h
  1.80      +1 -1      src/sys/vm/pmap.h
  1.79      +5 -5      src/sys/vm/vm_extern.h
  1.226     +22 -11    src/sys/vm/vm_glue.c
  1.390     +23 -6     src/sys/vm/vm_map.c