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5dd11d5d47
The only way the debugger can handle a trap in inside rcu_lock, notify_die, or atomic_notifier_call_chain without a recursive fault is to have a low level "first opportunity handler" do_trap_or_bp() handler. Generally this will be something the vast majority of folks will not need, but for those who need it, it is added as a kernel .config option called KGDB_LOW_LEVEL_TRAP. Also added was a die notification for oops such that kdb can catch an oops for analysis. There appeared to be no obvious way to pass the struct pt_regs from the original exception back to the stack back tracer, so a special case was added to show_stack() for when kdb is active because you generally desire to generally look at the back trace of the original exception. Signed-off-by: Jason Wessel <jason.wessel@windriver.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> |
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| .. | ||
| alchemy | ||
| ar7 | ||
| bcm47xx | ||
| bcm63xx | ||
| boot | ||
| cavium-octeon | ||
| cobalt | ||
| configs | ||
| dec | ||
| emma | ||
| fw | ||
| gt64120/wrppmc | ||
| include/asm | ||
| jazz | ||
| kernel | ||
| lasat | ||
| lib | ||
| loongson | ||
| math-emu | ||
| mipssim | ||
| mm | ||
| mti-malta | ||
| nxp | ||
| oprofile | ||
| pci | ||
| pmc-sierra | ||
| power | ||
| powertv | ||
| rb532 | ||
| sgi-ip22 | ||
| sgi-ip27 | ||
| sgi-ip32 | ||
| sibyte | ||
| sni | ||
| txx9 | ||
| vr41xx | ||
| Kconfig | ||
| Kconfig.debug | ||
| Makefile | ||