linux-kernel - Re: [PATCH 2/5] objtool: Combine '--backtrace' with '--verbose'

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Message-ID: <20230328080743.GC4253@hirez.programming.kicks-ass.net>
Date:   Tue, 28 Mar 2023 10:07:43 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...nel.org>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/5] objtool: Combine '--backtrace' with '--verbose'

On Mon, Mar 27, 2023 at 09:00:45AM -0700, Josh Poimboeuf wrote:
> Get rid of the '--backtrace' option, instead including that
> functionality in '--verbose'.  This makes it easy to gather all the
> information needed for diagnosing objtool warnings.

Hurmm.. can't we have verbose imply backtrace but keep the separate
option? I'm not sure if I always want the objdump thing -- esp with
multiple warnings on vmlinux that's going to be really slow -- better to
dump the whole of vmlinux.o once at the end.