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From: Joe Perches <joe@perches.com>
To: Logan Gunthorpe <logang@deltatee.com>,
	Julia Lawall <julia.lawall@lip6.fr>
Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
	Andy Whitcroft <apw@canonical.com>
Subject: Re: [PATCH v2] checkpatch: Add a warning for log messages that don't end in a new line
Date: Mon, 27 Nov 2017 18:57:07 +0000	[thread overview]
Message-ID: <1511809027.32426.62.camel@perches.com> (raw)
In-Reply-To: <f2f5622f-5c5f-3dbf-1d7e-bc49e9c57dae@deltatee.com>

On Mon, 2017-11-27 at 10:44 -0700, Logan Gunthorpe wrote:
> 
> On 27/11/17 10:42 AM, Joe Perches wrote:
> > No double stardard.  One correctly informs that a bare
> > printk is not acceptable.
> 
> The other correctly informs that a printk that isn't followed by a 
> pr_cont or KERN_CONT is not correct.

It may or not be correct.

Without inter-function call code flow analysis,
it's not possible to be correct.

If you can get the false positive & false negative
rate higher, I'll listen.

I think the Coccinelle script has a better chance
to be more correct.

cheers, Joe

WARNING: multiple messages have this Message-ID (diff)
From: Joe Perches <joe@perches.com>
To: Logan Gunthorpe <logang@deltatee.com>,
	Julia Lawall <julia.lawall@lip6.fr>
Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
	Andy Whitcroft <apw@canonical.com>
Subject: Re: [PATCH v2] checkpatch: Add a warning for log messages that don't end in a new line
Date: Mon, 27 Nov 2017 10:57:07 -0800	[thread overview]
Message-ID: <1511809027.32426.62.camel@perches.com> (raw)
In-Reply-To: <f2f5622f-5c5f-3dbf-1d7e-bc49e9c57dae@deltatee.com>

On Mon, 2017-11-27 at 10:44 -0700, Logan Gunthorpe wrote:
> 
> On 27/11/17 10:42 AM, Joe Perches wrote:
> > No double stardard.  One correctly informs that a bare
> > printk is not acceptable.
> 
> The other correctly informs that a printk that isn't followed by a 
> pr_cont or KERN_CONT is not correct.

It may or not be correct.

Without inter-function call code flow analysis,
it's not possible to be correct.

If you can get the false positive & false negative
rate higher, I'll listen.

I think the Coccinelle script has a better chance
to be more correct.

cheers, Joe

  reply	other threads:[~2017-11-27 18:57 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-26  5:40 [PATCH v2] checkpatch: Add a warning for log messages that don't end in a new line Logan Gunthorpe
2017-11-26  5:40 ` Logan Gunthorpe
2017-11-26  5:51 ` Julia Lawall
2017-11-26  5:51   ` Julia Lawall
2017-11-26  6:01   ` Joe Perches
2017-11-26  6:01     ` Joe Perches
2017-11-26 17:38     ` Logan Gunthorpe
2017-11-26 17:38       ` Logan Gunthorpe
2017-11-26 22:29       ` Joe Perches
2017-11-26 22:29         ` Joe Perches
     [not found]         ` <alpine.DEB.2.20.1711262334370.2111@hadrien>
2017-11-27  1:12           ` Joe Perches
2017-11-27  1:12             ` Joe Perches
2017-11-27  6:08             ` Julia Lawall
2017-11-27  6:08               ` Julia Lawall
2017-11-27  9:25               ` Joe Perches
2017-11-27  9:25                 ` Joe Perches
2017-11-27  9:32                 ` Julia Lawall
2017-11-27  9:32                   ` Julia Lawall
2017-11-27  9:42                   ` Joe Perches
2017-11-27  9:42                     ` Joe Perches
2017-11-27 17:07                 ` Logan Gunthorpe
2017-11-27 17:07                   ` Logan Gunthorpe
2017-11-27 17:26                   ` Joe Perches
2017-11-27 17:26                     ` Joe Perches
2017-11-27 17:33                     ` Logan Gunthorpe
2017-11-27 17:33                       ` Logan Gunthorpe
2017-11-27 17:41                       ` Joe Perches
2017-11-27 17:41                         ` Joe Perches
2017-11-27 17:42                         ` Logan Gunthorpe
2017-11-27 17:42                           ` Logan Gunthorpe
2017-11-27  4:00         ` Logan Gunthorpe
2017-11-27  4:00           ` Logan Gunthorpe
2017-11-27  6:11           ` Julia Lawall
2017-11-27  6:11             ` Julia Lawall
2017-11-27  6:27             ` Logan Gunthorpe
2017-11-27  6:27               ` Logan Gunthorpe
2017-11-27  6:34               ` Julia Lawall
2017-11-27  6:34                 ` Julia Lawall
2017-11-27  6:40                 ` Logan Gunthorpe
2017-11-27  6:40                   ` Logan Gunthorpe
2017-11-27  8:28                   ` Joe Perches
2017-11-27  8:28                     ` Joe Perches
2017-11-27  8:52                     ` Julia Lawall
2017-11-27  8:52                       ` Julia Lawall
2017-11-27  9:06                       ` Joe Perches
2017-11-27  9:06                         ` Joe Perches
2017-11-27 16:40                       ` Logan Gunthorpe
2017-11-27 16:40                         ` Logan Gunthorpe
2017-11-27 17:20                     ` Logan Gunthorpe
2017-11-27 17:20                       ` Logan Gunthorpe
2017-11-27 17:28                       ` Joe Perches
2017-11-27 17:28                         ` Joe Perches
2017-11-27 17:35                         ` Logan Gunthorpe
2017-11-27 17:35                           ` Logan Gunthorpe
2017-11-27 17:42                           ` Joe Perches
2017-11-27 17:42                             ` Joe Perches
2017-11-27 17:44                             ` Logan Gunthorpe
2017-11-27 17:44                               ` Logan Gunthorpe
2017-11-27 18:57                               ` Joe Perches [this message]
2017-11-27 18:57                                 ` Joe Perches
2017-11-27 19:58                                 ` Logan Gunthorpe
2017-11-27 19:58                                   ` Logan Gunthorpe
2017-11-27 20:49                                   ` Julia Lawall
2017-11-27 20:49                                     ` Julia Lawall
2017-11-27 22:56                                     ` Logan Gunthorpe
2017-11-27 22:56                                       ` Logan Gunthorpe
2017-11-28  0:15                                   ` Joe Perches
2017-11-28  0:15                                     ` Joe Perches
2017-11-26 16:55   ` Logan Gunthorpe
2017-11-26 16:55     ` Logan Gunthorpe
2017-11-26 17:09     ` Julia Lawall
2017-11-26 17:09       ` Julia Lawall
2017-11-26 17:47       ` Logan Gunthorpe
2017-11-26 17:47         ` Logan Gunthorpe
2017-11-26 18:17         ` Julia Lawall
2017-11-26 18:17           ` Julia Lawall
2017-11-26 18:33           ` Logan Gunthorpe
2017-11-26 18:33             ` Logan Gunthorpe
2017-11-27  1:35           ` Joe Perches
2017-11-27  1:35             ` Joe Perches
2017-11-27  6:40             ` Julia Lawall
2017-11-27  6:40               ` Julia Lawall
2017-11-27  6:42               ` Julia Lawall
2017-11-27  6:42                 ` Julia Lawall
2017-11-27  6:53                 ` Logan Gunthorpe
2017-11-27  6:53                   ` Logan Gunthorpe
2017-11-27  6:57                   ` Julia Lawall
2017-11-27  6:57                     ` Julia Lawall
2017-11-27  9:03                 ` Joe Perches
2017-11-27  9:03                   ` Joe Perches

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