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From: Borislav Petkov <bp@alien8.de>
To: "Rustad, Mark D" <mark.d.rustad@intel.com>
Cc: "Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel.com>,
	"sparse@chrisli.org" <sparse@chrisli.org>,
	"linux-sparse@vger.kernel.org" <linux-sparse@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 0/7] Silence even more W=2 warnings
Date: Mon, 22 Sep 2014 21:21:52 +0200	[thread overview]
Message-ID: <20140922192152.GD4709@pd.tnic> (raw)
In-Reply-To: <3199350A-89CE-4BE7-8FE4-CA8CE4F87622@intel.com>

On Mon, Sep 22, 2014 at 06:59:23PM +0000, Rustad, Mark D wrote:
> It is helpful for using the warnings to look for problems or even just risks.

That's what W= builds are for.

> Right now the number of warnings generated when using W=2 simply tells
> people to never use W=2.

I showed you how to use W=2 and 3 for that matter - pipe the output into
a file and grep away.

> That severely limits the value of a useful tool. A checkpatch warning
> doesn't mean to never do that, just that it needs a critical look and
> justification. That is certainly true of every patch I made that uses
> those macros.

Sorry, if you need to shut up the compiler by adding code with the sole
purpose to not issue a warning for otherwise perfectly fine code, then
something's wrong with the whole endeavor in the first place.

There's a reason W= warnings are disabled in the default build.

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
--

  reply	other threads:[~2014-09-22 19:22 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-19 15:29 [PATCH 0/7] Silence even more W=2 warnings Jeff Kirsher
2014-09-19 15:29 ` [PATCH 1/7] compiler: Add diagnostic control macros Jeff Kirsher
2014-09-19 15:29 ` [PATCH 2/7] x86: Silence initializer-overrides warnings Jeff Kirsher
2014-09-19 15:29 ` [PATCH 3/7] atomic: Silence nested-externs warnings Jeff Kirsher
2014-09-19 20:43   ` Peter Zijlstra
2014-09-19 20:53     ` Jeff Kirsher
2014-09-19 15:29 ` [PATCH 4/7] bitops: " Jeff Kirsher
2014-09-19 15:29 ` [PATCH 5/7] signal: " Jeff Kirsher
2014-09-19 15:35   ` Richard Weinberger
2014-09-19 15:37     ` Jeff Kirsher
2014-09-19 15:39       ` Richard Weinberger
2014-09-19 17:20         ` Oleg Nesterov
2014-09-19 21:21           ` Josh Triplett
2014-09-19 21:26             ` Rustad, Mark D
2014-09-21 16:42             ` [PATCH 0/1] signal: use BUILD_BUG() instead of _NSIG_WORDS_is_unsupported_size() Oleg Nesterov
2014-09-21 16:43               ` [PATCH 1/1] " Oleg Nesterov
2014-09-22 17:26                 ` Josh Triplett
2014-09-19 15:29 ` [PATCH 6/7] mm: Silence nested-externs warnings Jeff Kirsher
2014-09-19 15:29 ` [PATCH 7/7] sched: " Jeff Kirsher
2014-09-19 19:34   ` Richard Weinberger
2014-09-19 20:34     ` Rustad, Mark D
2014-09-19 20:41       ` Richard Weinberger
2014-09-19 20:49         ` Rustad, Mark D
2014-09-22 17:55     ` [PATCH] sched: Remove nested extern Mark D Rustad
2014-09-22 18:25       ` Josh Triplett
2014-09-22 19:01       ` Peter Zijlstra
2014-09-22 19:32         ` Rustad, Mark D
2014-09-22 20:05           ` Peter Zijlstra
2014-09-22 20:59             ` Rustad, Mark D
2014-09-22 21:21               ` Peter Zijlstra
2014-09-22 21:50                 ` Rustad, Mark D
2014-09-24  7:41                   ` Ingo Molnar
2014-09-24  7:52                     ` Peter Zijlstra
2014-09-24  7:58                       ` Ingo Molnar
2014-09-19 22:54   ` [PATCH 7/7] sched: Silence nested-externs warnings Peter Zijlstra
2014-09-19 23:26     ` Rustad, Mark D
2014-09-22 15:33 ` [PATCH 0/7] Silence even more W=2 warnings Borislav Petkov
2014-09-22 17:06   ` Rustad, Mark D
2014-09-22 18:40     ` Borislav Petkov
2014-09-22 18:59       ` Rustad, Mark D
2014-09-22 19:21         ` Borislav Petkov [this message]
2014-09-22 19:44           ` Jeff Kirsher
2014-09-22 19:57             ` Borislav Petkov
2014-09-22 20:09               ` Jeff Kirsher
2014-09-22 20:33                 ` Borislav Petkov
2014-09-22 21:21                   ` Jeff Kirsher
2014-09-23  8:01                     ` Borislav Petkov
2014-09-23 14:49                       ` Josh Triplett
2014-09-23 16:08                         ` Borislav Petkov
2014-09-23 16:29                         ` Rustad, Mark D
2014-09-25  7:45                     ` Geert Uytterhoeven
2014-09-25 16:44                       ` Borislav Petkov
2014-09-26 19:37                       ` Rustad, Mark D
2014-09-26 19:58                         ` josh
2014-09-26 21:07                           ` Rustad, Mark D
2014-09-22 21:50                   ` Rustad, Mark D
2014-09-23  8:22                     ` Borislav Petkov
2014-09-23 17:24                       ` Rustad, Mark D
2014-09-23 18:44                         ` Borislav Petkov
2014-09-23 19:04                           ` Joe Perches
2014-09-23 20:43                           ` Rustad, Mark D
2014-09-25  8:27                             ` Borislav Petkov
2014-09-25  0:17                           ` Rustad, Mark D

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