linux-kernel - Re: [PATCH -tip 0/3] tracepoint: Add signal events

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Date:	Tue, 17 Nov 2009 19:07:06 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Masami Hiramatsu <mhiramat@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>, lkml <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <oleg@...hat.com>,
	systemtap <systemtap@...rces.redhat.com>,
	DLE <dle-develop@...ts.sourceforge.net>
Subject: Re: [PATCH -tip 0/3] tracepoint: Add signal events

I would add the siginfo_t * argument to each of these tracepoints.

In 2/3 this comment:

+		/* Trace the actual delivered signals including SIG_IGN.*/

might be slightly misleading.  In most cases SIG_IGN signals won't make it
this far.  The same is true of SIG_DFL signals whose default action is to
ignore.  So one should be clear that trace_signal_deliver() is by no means
expected to get all SIG_IGN signals that are otherwise eligible for delivery.

Thanks,
Roland
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