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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <1544907696.10497.17.camel@kernel.org>
Date:   Sat, 15 Dec 2018 15:01:36 -0600
From:   Tom Zanussi <zanussi@...nel.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>, vedang.patel@...el.com,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Joel Fernandes <joel@...lfernandes.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        julia@...com, linux-kernel <linux-kernel@...r.kernel.org>,
        linux-rt-users <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 Namhyung,

On Sat, 2018-12-15 at 15:50 +0900, Namhyung Kim wrote:
> Hi Tom and Masami,
> 
> On Sat, Dec 15, 2018 at 2:29 AM Tom Zanussi <zanussi@...nel.org>
> wrote:
> > 
> > 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..
> 
> Agreed, I also think it's getting bigger and having these cleanups
> before the actual change would make things little bit easier IMHO.
> 

Yep, that's what I'll do then.

Thanks,

Tom