The patch titled
uml: dump core on panic
has been removed from the -mm tree. Its filename was
uml-dump-core-on-panic.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: uml: dump core on panic
From: Jeff Dike <jdike@xxxxxxxxxxx>
Dump core after a panic. This will provide better debugging information than
is currently available.
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/include/os.h | 1 +
arch/um/kernel/um_arch.c | 2 +-
arch/um/os-Linux/util.c | 6 ++++++
3 files changed, 8 insertions(+), 1 deletion(-)
diff -puN arch/um/include/os.h~uml-dump-core-on-panic arch/um/include/os.h
--- a/arch/um/include/os.h~uml-dump-core-on-panic
+++ a/arch/um/include/os.h
@@ -279,6 +279,7 @@ extern int raw(int fd);
extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(char *buf, int len);
extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
+extern void os_dump_core(void);
/* time.c */
#define BILLION (1000 * 1000 * 1000)
diff -puN arch/um/kernel/um_arch.c~uml-dump-core-on-panic arch/um/kernel/um_arch.c
--- a/arch/um/kernel/um_arch.c~uml-dump-core-on-panic
+++ a/arch/um/kernel/um_arch.c
@@ -474,7 +474,7 @@ static int panic_exit(struct notifier_bl
show_regs(&(current->thread.regs));
bust_spinlocks(0);
uml_exitcode = 1;
- machine_halt();
+ os_dump_core();
return 0;
}
diff -puN arch/um/os-Linux/util.c~uml-dump-core-on-panic arch/um/os-Linux/util.c
--- a/arch/um/os-Linux/util.c~uml-dump-core-on-panic
+++ a/arch/um/os-Linux/util.c
@@ -119,3 +119,9 @@ int setjmp_wrapper(void (*proc)(void *,
va_end(args);
return n;
}
+
+void os_dump_core(void)
+{
+ signal(SIGSEGV, SIG_DFL);
+ abort();
+}
_
Patches currently in -mm which might be from jdike@xxxxxxxxxxx are
origin.patch
uml-hostfs-style-fixes.patch
uml-an-idle-system-should-have-zero-load-average.patch
remove-tas.patch
x86-create-asm-cmpxchgh.patch
uml-network-and-pcap-cleanup.patch
uml-pcap-devices-should-get-macs-from-command-line.patch
-
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