linux-kernel - Re: [PATCH v2 6/8] bootconfig: Overwrite value on same key by default

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Date:   Thu, 20 Feb 2020 21:56:18 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Geert Uytterhoeven <geert@...ux-m68k.org>,
        Borislav Petkov <bp@...en8.de>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v2 6/8] bootconfig: Overwrite value on same key by
 default

On Fri, 21 Feb 2020 09:21:01 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> On Thu, 20 Feb 2020 12:16:41 -0500
> Steven Rostedt <rostedt@...dmis.org> wrote:
> 
> > On Thu, 20 Feb 2020 21:19:22 +0900
> > Masami Hiramatsu <mhiramat@...nel.org> wrote:
> >   
> > > Currently, bootconfig does not overwrite existing value
> > > on same key, but add new value to the tail of an array.
> > > But this looks a bit confusing because similar syntax
> > > configuration always overwrite the value by default.  
> > 
> > Should we even allow this case? Or at the very least, some output
> > should be made that a value is being overwritten.  
> 
> Both are OK, but I like just making it error. At this moment,
> the bootconfig tool writes user-given bootconfig file to
> initrd (not reformat it). This means if user ignores the warning
> from bootconfig tool, they will see same warning on dmesg again.
> 

OK, so you will be updating this patch?

FYI, I pulled in patches 1-3,5 and 8. I dropped patch 4, and wanted
feedback from you on patch 6, and patch 7 depended on 6.

Feel free to update patch 6 and 7 on top of my git tree branch
ftrace/urgent.

-- Steve