>From: Keith Owens [mailto:[email protected]]
>Anil S Keshavamurthy <[email protected]> wrote:
>>
>>This patch adds the kdebug die notification mechanism needed by
Kprobes.
>> case 0: /* unknown error (used by GCC for
__builtin_abort()) */
>>+ if (notify_die(DIE_BREAK, "kprobe", regs, break_num,
>TRAP_BRKPT, SIGTRAP)
>>+ == NOTIFY_STOP) {
>>+ return;
>>+ }
>> die_if_kernel("bugcheck!", regs, break_num);
>> sig = SIGILL; code = ILL_ILLOPC;
>> break;
>
>Nit pick. Any break instruction in a B slot will set break_num 0, so
>you cannot tell if the break was inserted by kprobe or by another
>debugger. Setting the string to "kprobe" is misleading here, change it
>to "break 0".
Good catch. We'll update the informational string.
--rusty
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