Re: [PATCH 2/2] simplify sig_ignored() pathes

[Roland McGrath]

> The code which checks for ignored signals is a bit overcomplicated
> because tracehook_consider_ignored_signal() wants the "handler" arg.
> Can't we kill it? It is not used even with utrace, and even if it will
> be used later it is OK to read ->sighand again in the slow path.

Yeah, it's fine to kill the arg.  For consistency, change
tracehook_consider_fatal_signal to match.  They are specified as called
with the siglock held, so it will indeed be easy and safe to check
->sighand if tracing code wants to distinguish the cases in the future.


Thanks,
Roland
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