linux-kernel - Re: [PATCH v8 20/22] tracing: Use hist trigger's var_ref array to destroy var

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Message-ID: <1544808561.10497.15.camel@kernel.org>
Date:   Fri, 14 Dec 2018 11:29:21 -0600
From:   Tom Zanussi <zanussi@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     rostedt@...dmis.org, tglx@...utronix.de, namhyung@...nel.org,
        vedang.patel@...el.com, bigeasy@...utronix.de,
        joel@...lfernandes.org, mathieu.desnoyers@...icios.com,
        julia@...com, linux-kernel@...r.kernel.org,
        linux-rt-users@...r.kernel.org
Subject: Re: [PATCH v8 20/22] tracing: Use hist trigger's var_ref array to
 destroy var_refs

Hi Masami,

On Sat, 2018-12-15 at 01:31 +0900, Masami Hiramatsu wrote:
> On Mon, 10 Dec 2018 18:01:34 -0600
> Tom Zanussi <zanussi@...nel.org> wrote:
> 
> > From: Tom Zanussi <tom.zanussi@...ux.intel.com>
> > 
> > Since every var ref for a trigger has an entry in the var_ref[]
> > array,
> > use that to destroy the var_refs, instead of piecemeal via the
> > field
> > expressions.
> > 
> > This allows us to avoid having to keep and treat differently
> > separate
> > lists for the action-related references, which future patches will
> > remove.
> 
> I'm not so sure, but this seems a bugfix... if so, please move this
> at
> the top of this series.
> 

No, none of these are bugfixes - patches 17-22 are just some additional
cleanup that try to make the code easier to follow after Namhyung's
comments that things were confusing here.

Actually, what I should probably do is make these a separate series..

Tom