linux-kernel - Re: [RFC][PATCH 5/5] objtool: Report missing support for subcommands

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Date:   Mon, 18 May 2020 11:29:26 -0700
From:   Matt Helsley <mhelsley@...are.com>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
CC:     <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Julien Thierry <jthierry@...hat.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [RFC][PATCH 5/5] objtool: Report missing support for subcommands

On Fri, May 15, 2020 at 04:04:48PM -0500, Josh Poimboeuf wrote:
> On Mon, May 11, 2020 at 10:35:13AM -0700, Matt Helsley wrote:
> > The check and orc-related subcommands for objtool are x86-specific.
> > To make this clear to anyone using the tool return a non-zero exit
> > code and indicate in the help and usage output which commands are
> > (and are not) available.
> > 
> > Signed-off-by: Matt Helsley <mhelsley@...are.com>
> 
> I think I'd rather the simplest approach of just having the weak
> functions print an error and return an error code.  At least for now I
> don't think we need to go through the trouble of advertising whether
> certain commands are available.  Technically they are available, they
> just always fail :-)

OK, that'll drop this patch from  the series.

> 
> And, people don't tend to use objtool directly anyway.
> 
> BTW, several of the patches didn't apply cleanly to tip/master, so
> you'll probably need to rebase for v2.  There've been a lot of objtool
> changes lately.  Peter's been busy...

Will do.

Cheers,
    -Matt Helsley