[PATCH] UML bug fixes

From: Jeff Dike (jdike@karaya.com)
Date: Mon Dec 30 2002 - 22:49:51 EST


Please pull either
        http://uml.bkbits.net/fixes-2.5
or http://jdike.stearns.org:5000/fixes-2.5

This patch fixes a bunch of UML bugs -
        crashes caused by excessive stack usage, plus assiciated cleanups
        SA_SIGINFO signal delivery is fixed, making JVMs run a lot better
        skas mode now has protection against tmpfs filling up
        the initial UML thread is protected against running kernel code
        a couple of data corruption bugs are fixed

                                Jeff

 arch/um/drivers/port_kern.c | 11 +-
 arch/um/include/frame.h | 4
 arch/um/include/irq_user.h | 2
 arch/um/include/kern_util.h | 10 +-
 arch/um/include/sysdep-i386/frame.h | 3
 arch/um/include/sysdep-i386/frame_kern.h | 11 ++
 arch/um/include/sysdep-i386/frame_user.h | 23 +++--
 arch/um/include/sysdep-i386/ptrace.h | 123 ++++++++++++++++++------------
 arch/um/include/sysdep-i386/sigcontext.h | 28 ------
 arch/um/include/sysdep-i386/syscalls.h | 4
 arch/um/include/uml_uaccess.h | 28 ++++++
 arch/um/include/user_util.h | 4
 arch/um/kernel/Makefile | 9 --
 arch/um/kernel/frame.c | 20 +++-
 arch/um/kernel/frame_kern.c | 49 ++++++++---
 arch/um/kernel/irq.c | 2
 arch/um/kernel/irq_user.c | 2
 arch/um/kernel/mem.c | 25 +++++-
 arch/um/kernel/process_kern.c | 4
 arch/um/kernel/signal_kern.c | 24 +++--
 arch/um/kernel/skas/include/mode.h | 7 -
 arch/um/kernel/skas/include/mode_kern.h | 3
 arch/um/kernel/skas/include/skas.h | 10 +-
 arch/um/kernel/skas/mem.c | 5 -
 arch/um/kernel/skas/process.c | 37 +++++----
 arch/um/kernel/skas/process_kern.c | 25 ++----
 arch/um/kernel/skas/sys-i386/sigcontext.c | 83 ++++++++++----------
 arch/um/kernel/skas/syscall_kern.c | 2
 arch/um/kernel/skas/syscall_user.c | 5 -
 arch/um/kernel/skas/tlb.c | 5 -
 arch/um/kernel/skas/trap_user.c | 27 +++---
 arch/um/kernel/time_kern.c | 8 +
 arch/um/kernel/trap_kern.c | 7 -
 arch/um/kernel/trap_user.c | 46 +++++------
 arch/um/kernel/tt/gdb.c | 6 -
 arch/um/kernel/tt/include/mode.h | 7 -
 arch/um/kernel/tt/include/mode_kern.h | 1
 arch/um/kernel/tt/include/tt.h | 3
 arch/um/kernel/tt/include/uaccess.h | 4
 arch/um/kernel/tt/mem.c | 26 ------
 arch/um/kernel/tt/process_kern.c | 17 ++--
 arch/um/kernel/tt/sys-i386/sigcontext.c | 5 -
 arch/um/kernel/tt/syscall_kern.c | 17 ++--
 arch/um/kernel/tt/syscall_user.c | 11 +-
 arch/um/kernel/tt/trap_user.c | 15 +--
 arch/um/kernel/tt/uaccess_user.c | 42 ----------
 arch/um/kernel/uaccess_user.c | 64 +++++++++++++++
 arch/um/kernel/user_syms.c | 5 -
 arch/um/sys-i386/bugs.c | 2
 arch/um/sys-i386/sigcontext.c | 2
 arch/um/util/mk_task_kern.c | 2
 include/asm-um/archparam-i386.h | 2
 include/asm-um/ptrace-generic.h | 5 -
 include/asm-um/ptrace-i386.h | 3
 include/asm-um/ucontext.h | 6 +
 55 files changed, 507 insertions(+), 394 deletions(-)

ChangeSet@1.988, 2002-12-29 21:35:59-05:00, jdike@uml.karaya.com
  Merge uml.karaya.com:/home/jdike/linux/2.5/fixes-2.5
  into uml.karaya.com:/home/jdike/linux/2.5/fixes-2.5-linus

ChangeSet@1.951.9.3, 2002-12-29 20:37:16-05:00, jdike@uml.karaya.com
  Fixed a few problems in the last merge.

ChangeSet@1.951.9.2, 2002-12-29 20:05:55-05:00, jdike@uml.karaya.com
  Forward ported a number of bug fixes from 2.4, including SA_SIGINFO
  signal delivery, protecting skas mode against tmpfs running out of
  space, protecting the UML main thread against accidentally running
  kernel code, and a couple of data corruption bugs.

ChangeSet@1.951.9.1, 2002-12-28 11:50:51-05:00, jdike@uml.karaya.com
  Merge http://jdike.stearns.org:5000/doc-2.5
  into uml.karaya.com:/home/jdike/linux/2.5/uml-2.5

ChangeSet@1.951.8.4, 2002-12-28 11:42:00-05:00, jdike@uml.karaya.com
  Merge http://jdike.stearns.org:5000/updates-2.5
  into uml.karaya.com:/home/jdike/linux/2.5/uml-2.5

ChangeSet@1.951.8.3, 2002-12-28 11:32:32-05:00, jdike@uml.karaya.com
  Fixed a merge conflict in port_kern.c

ChangeSet@1.951.8.1, 2002-12-28 11:12:47-05:00, jdike@uml.karaya.com
  Merge http://jdike.stearns.org:5000/mconfig-2.5
  into uml.karaya.com:/home/jdike/linux/2.5/uml-2.5

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