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From: Michal Marek <mmarek@suse.cz>
To: Joe Perches <joe@perches.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>,
	Nick Bowler <nbowler@elliptictech.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Mike Frysinger <vapier@gentoo.org>,
	Sam Ravnborg <sam@ravnborg.org>,
	Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Subject: Re: __packed vs. __attribute__((packed)) in kernel headers
Date: Fri, 24 Jun 2011 15:07:25 +0200	[thread overview]
Message-ID: <4E048C0D.7020403@suse.cz> (raw)
In-Reply-To: <1308848277.6688.7.camel@Joe-Laptop>

On 23.6.2011 18:57, Joe Perches wrote:
> On Thu, 2011-06-23 at 17:02 +0200, Markus Trippelsdorf wrote:
>> On 2011.06.23 at 09:42 -0400, Nick Bowler wrote:
>>> On 2011-06-22 08:34 +0200, Markus Trippelsdorf wrote:
>>>> One possible solution would be to let the "scripts/headers_install.pl"
>>>> script automatically substitute __packed with __attribute__((packed)):
>>>>
>>>> diff --git a/scripts/headers_install.pl b/scripts/headers_install.pl
> []
>> I'm not an expert of Perl regular expressions, but maybe this:
>>   $line =~ s/\s__packed;$/ __attribute__((packed));/g
>> is a little bit closer to the intention?
>
> Maybe:
>
> s/\b__packed\b/__attribute__((packed))/g

Markus, will you post a patch with this fix?


> though this argues against redefining
> gcc __attributes__ in the first place.

It's a handy shortcut, so why not have it. Although I don't understand 
why checkpatch.pl has to warn about __attribute__((packed)).

Michal

  reply	other threads:[~2011-06-24 13:07 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-22  6:34 __packed vs. __attribute__((packed)) in kernel headers Markus Trippelsdorf
2011-06-23 13:42 ` Nick Bowler
2011-06-23 15:02   ` Markus Trippelsdorf
2011-06-23 16:57     ` Joe Perches
2011-06-24 13:07       ` Michal Marek [this message]
2011-06-24 13:51         ` {PATCH] fix __packed in exported " Markus Trippelsdorf
2011-06-24 15:17           ` Michal Marek
2011-06-24 16:33           ` Arnd Bergmann
2011-06-24 17:00             ` Mike Frysinger
2011-06-30 18:26               ` H. Peter Anvin
2011-06-30 18:48                 ` Mike Frysinger
2011-06-30 18:52                   ` H. Peter Anvin
2011-06-30 18:58                     ` Mike Frysinger
2011-06-30 19:01                       ` H. Peter Anvin
2011-06-30 19:13                         ` Mike Frysinger
2011-06-30 20:02                           ` H. Peter Anvin
2011-06-30 21:56                             ` Mike Frysinger
2011-06-24 17:01             ` Markus Trippelsdorf
2011-06-23 17:04 ` __packed vs. __attribute__((packed)) in " richard -rw- weinberger
2011-06-23 17:46   ` Markus Trippelsdorf
2011-06-23 17:54 ` Mike Frysinger

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