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From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org,
	Peter Zijlstra <peterz@infradead.org>, tglx@linutronix.de,
	mingo@kernel.org, juri.lelli@redhat.com, vincent.guittot@linaro.org,
	dietmar.eggemann@arm.com, bsegall@google.com, mgorman@suse.de,
	vschneid@redhat.com, ankur.a.arora@oracle.com, efault@gmx.de,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [PATCH v2 1/3] tracing: Replace TRACE_FLAG_IRQS_NOSUPPORT with
 its config option.
Message-ID: <20241022102906.KNgo1A2_@linutronix.de>
References: <20241021151257.102296-1-bigeasy@linutronix.de>
 <20241021151257.102296-2-bigeasy@linutronix.de>
 <20241022031418.12154e63@rorschach.local.home>
 <20241022095241.RFY4Iiu_@linutronix.de>
 <20241022061959.31775f7a@rorschach.local.home>
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In-Reply-To: <20241022061959.31775f7a@rorschach.local.home>

On 2024-10-22 06:19:59 [-0400], Steven Rostedt wrote:
> On Tue, 22 Oct 2024 11:52:41 +0200
> Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote:
> 
> > > 
> > > Please just remove NOSUPPORT and do not touch NEED_RESCHED.  
> > 
> > Then I put the lazy bit where we have not NOSUPPORT.
> 
> I'm afraid user space will confuse this with the NOSUPPORT.

So? We don't ignore this for now and recycle that bit? If I got it
right, only PPC32 was using that NOSUPPORT bit.
What are the options given that it has to be an 8 bit field?

> -- Steve

Sebastian