linux-kernel - Re: [PATCH] tracing/irqtrace: only call trace_hardirqs

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Date:   Tue, 10 Jul 2018 21:44:57 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Nicholas Piggin <npiggin@...il.com>
Cc:     Joel Fernandes <joel.opensrc@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] tracing/irqtrace: only call trace_hardirqs_on/off when
 state changes

On Wed, 2 May 2018 10:12:14 +1000
Nicholas Piggin <npiggin@...il.com> wrote:

> > I have mixed feelings about this patch, I am Ok with this patch but I
> > suggest its sent with the follow-up patch that shows its use of this.
> > And also appreciate if such a follow-up patch is rebased onto the IRQ
> > tracepoint work: https://patchwork.kernel.org/patch/10373129/
> > 
> > What do you think?  
> 
> I'll try to dig it up and resend. Thanks for the feedback on it.

Joel,

With your latest patches, is this obsolete?

-- Steve