Re: [PATCH v2] MIPS: Reduce _NSIG from 128 to 127 to avoid BUG_ON

[Oleg Nesterov]

On 06/14, James Hogan wrote:
>
> However do_group_exit() checks for the core dump bit (0x80) in the exit
> code which matches in this particular case and the kernel panics:
>
>   BUG_ON(exit_code & 0x80); /* core dumps don't get here */
>
> Lets avoid this by changing the ABI by reducing the number of signals to
> 127 (so that the maximum signal number is 127).

Agreed.

Of course I can't ack the change in arch/mips, but to me this looks
like a best solution.

Oleg.

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