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linux-2.6/arch/um
Lepton Wu a24864a1d5 uml: definitively kill subprocesses on panic
In a stock 2.6.22.6 kernel, poweroff a user mode linux guest (2.6.22.6 running
in skas0 mode) will halt the host linux.  I think the reason is the kernel
thread abort because of a bug.  Then the sys_reboot in process of user mode
linux guest is not trapped by the user mode linux kernel and is executed by
host.  I think it is better to make sure all of our children process to quit
when user mode linux kernel abort.

[ jdike - the kernel process needs to ignore SIGTERM, plus the waitpid/kill
loop is needed to make sure that all of our children are dead before the
kernel exits ]

Signed-off-by: Lepton Wu <ytht.net@gmail.com>
Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-10-16 09:43:09 -07:00
..
drivers uml: arch/um/drivers formatting 2007-10-16 09:43:09 -07:00
include uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
kernel uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
os-Linux uml: definitively kill subprocesses on panic 2007-10-16 09:43:09 -07:00
scripts uml: throw out CONFIG_MODE_TT 2007-10-16 09:43:05 -07:00
sys-i386 uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
sys-ia64 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys-ppc uml: remove user_util.h 2007-05-07 12:13:01 -07:00
sys-x86_64 uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
Kconfig uml: tickless support 2007-10-16 09:43:08 -07:00
Kconfig.char uml: style fixes pass 1 2007-10-16 09:43:05 -07:00
Kconfig.debug uml: style fixes pass 1 2007-10-16 09:43:05 -07:00
Kconfig.i386 uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
Kconfig.net uml: add VDE networking support 2007-10-16 09:43:05 -07:00
Kconfig.x86_64 uml: fix stub address calculations 2007-10-16 09:43:09 -07:00
Makefile uml: style fixes pass 1 2007-10-16 09:43:05 -07:00
Makefile-i386 uml: throw out CONFIG_MODE_TT 2007-10-16 09:43:05 -07:00
Makefile-ia64 Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-os-Linux Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-ppc Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-skas [PATCH] uml makefiles sanitized 2005-09-29 08:46:26 -07:00
Makefile-tt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
Makefile-x86_64 minimal build fixes for uml (fallout from x86 merge) 2007-10-13 09:57:15 -07:00
defconfig uml: fix stub address calculations 2007-10-16 09:43:09 -07:00