From: Peter Zijlstra <peterz@infradead.org>
To: Josh Poimboeuf <jpoimboe@kernel.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] objtool: Add per-function rate limiting for unreachable warnings
Date: Wed, 29 Mar 2023 09:26:53 +0200 [thread overview]
Message-ID: <20230329072653.GI4253@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20230328202205.cfd7hvpj74rv7ry4@treble>
On Tue, Mar 28, 2023 at 01:22:05PM -0700, Josh Poimboeuf wrote:
> On Tue, Mar 28, 2023 at 10:11:05AM +0200, Peter Zijlstra wrote:
> > On Mon, Mar 27, 2023 at 09:00:47AM -0700, Josh Poimboeuf wrote:
> > > Unreachable instruction warnings are rate limited to once per object
> > > file. That no longer makes sense for vmlinux validation, which might
> > > have other unreachable instructions lurking in other places. Change it
> > > to once per function.
> >
> > Do we want a negative option to disable this? --no-ratelimit or such?
>
> Per-function rate-limiting is almost always the right thing, personally
> I don't envision needing to disable it.
Ok, fair enough. I'll let you know if I ever come across the need to
disable it :-)
next prev parent reply other threads:[~2023-03-29 7:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-27 16:00 [PATCH 0/5] objtool: warning improvements Josh Poimboeuf
2023-03-27 16:00 ` [PATCH 1/5] objtool: Add '--verbose' option for disassembling affected functions Josh Poimboeuf
2023-03-28 8:47 ` Miroslav Benes
2023-03-27 16:00 ` [PATCH 2/5] objtool: Combine '--backtrace' with '--verbose' Josh Poimboeuf
2023-03-28 8:07 ` Peter Zijlstra
2023-03-28 20:19 ` Josh Poimboeuf
2023-03-29 7:25 ` Peter Zijlstra
2023-03-27 16:00 ` [PATCH 3/5] objtool: Remove superfluous dead_end_function() check Josh Poimboeuf
2023-03-27 16:00 ` [PATCH 4/5] objtool: Add per-function rate limiting for unreachable warnings Josh Poimboeuf
2023-03-28 8:11 ` Peter Zijlstra
2023-03-28 20:22 ` Josh Poimboeuf
2023-03-29 7:26 ` Peter Zijlstra [this message]
2023-03-28 9:07 ` Miroslav Benes
2023-03-27 16:00 ` [PATCH 5/5] objtool: Add "missing __noreturn" warning Josh Poimboeuf
2023-03-28 9:10 ` Miroslav Benes
2023-03-29 16:24 ` Josh Poimboeuf
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