linux-kernel - Re: [PATCH v2 32/62] objtool: Suppress section skipping warnings with --dryrun

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Message-ID: <u7g72fiqwvkxl3hpl3l2jmbfhez5o7sjtlpxf73or6wh545you@z3xpzkeg45yf>
Date: Wed, 4 Jun 2025 17:14:03 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: x86@...nel.org, linux-kernel@...r.kernel.org, 
	Petr Mladek <pmladek@...e.com>, Miroslav Benes <mbenes@...e.cz>, 
	Joe Lawrence <joe.lawrence@...hat.com>, live-patching@...r.kernel.org, Song Liu <song@...nel.org>, 
	laokz <laokz@...mail.com>, Jiri Kosina <jikos@...nel.org>, 
	Marcos Paulo de Souza <mpdesouza@...e.com>, Weinan Liu <wnliu@...gle.com>, 
	Fazla Mehrab <a.mehrab@...edance.com>, Chen Zhongjin <chenzhongjin@...wei.com>, 
	Puranjay Mohan <puranjay@...nel.org>
Subject: Re: [PATCH v2 32/62] objtool: Suppress section skipping warnings
 with --dryrun

On Mon, May 26, 2025 at 12:52:40PM +0200, Peter Zijlstra wrote:
> On Fri, May 09, 2025 at 01:16:56PM -0700, Josh Poimboeuf wrote:
> > It's common to use --dryrun on binaries that have already been
> > processed.  Don't print the section skipping warnings in that case.
> 
> Ah, I rather like this warning, it gives me an easy check to see if the
> file has already been processed.
> 
> I typically do a OBJTOOL_ARGS="--backup" build and run dryrun debug
> sessions against those .orig files.

Ok.

Though, note that as of a few months ago, --backup no longer exists.  A
backup is now automatically created with --verbose.  But we can revive
it if you want.

-- 
Josh