os_dump_core() emits SIGTERM to terminate all UML processes.
Kernel threads have to exit on SIGTERM instead of calling
last_ditch_exit().
Multiple calls to last_ditch_exit() can cause a crash.
Signed-off-by: Richard Weinberger <rich...@nod.at>
---
arch/um/os-Linux/process.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index e0477c3..0c45dc8 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -253,6 +253,7 @@ void init_new_thread_signals(void)
SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM,
SIGVTALRM, -1);
signal(SIGWINCH, SIG_IGN);
+ signal(SIGTERM, SIG_DFL);
}
int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr)
--
1.7.4.2
------------------------------------------------------------------------------
What Every C/C++ and Fortran developer Should Know!
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next-generation tools to help Windows* and Linux* C/C++ and Fortran
developers boost performance applications - including clusters.
http://p.sf.net/sfu/intel-dev2devmay
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