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From: "H. Peter Anvin" <hpa@zytor.com>
To: Jamie Lokier <jamie@shareable.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] new system call mknod64
Date: Mon, 21 Apr 2003 19:52:04 -0700	[thread overview]
Message-ID: <3EA4AE54.80607@zytor.com> (raw)
In-Reply-To: <20030422020153.GA18141@mail.jlokier.co.uk>

Jamie Lokier wrote:
>>
>>The main advantage with making it a struct is that it keep people from
>>doing stupid stuff like (int)dev where dev is a kdev_t...  There is
>>all kinds of shit like that in the kernel...
> 
> If you want that good quality 64-bit code, try making it a struct
> containing just a u64 :)
> 

Perhaps:

#if BITS_PER_LONG == 64
typedef struct { u64 val; } kdev_t;

/* Macros for major minor mkdev */
#else
typedef struct { u32 major, minor; } kdev_t;

/* Macros... */
#endif

	-hpa



  reply	other threads:[~2003-04-22  2:40 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-22  1:02 [PATCH] new system call mknod64 Andries.Brouwer
2003-04-22  1:32 ` H. Peter Anvin
2003-04-22  2:01   ` Jamie Lokier
2003-04-22  2:52     ` H. Peter Anvin [this message]
2003-04-22  6:00       ` jw schultz
2003-04-22 17:17         ` H. Peter Anvin
     [not found] <20030421215009$2052@gated-at.bofh.it>
     [not found] ` <20030421231010$7ee3@gated-at.bofh.it>
     [not found]   ` <20030422000016$17e3@gated-at.bofh.it>
     [not found]     ` <20030422083014$0fe2@gated-at.bofh.it>
2003-04-22 20:02       ` Arnd Bergmann
  -- strict thread matches above, loose matches on Subject: below --
2003-04-21 21:48 Andries.Brouwer
2003-04-21 22:07 ` Linus Torvalds
2003-04-21 21:43 Andries.Brouwer
2003-04-21 23:02 ` H. Peter Anvin
2003-04-21 23:50   ` Jamie Lokier
2003-04-22  8:24     ` Shachar Shemesh
2003-04-20 22:12 Andries.Brouwer
2003-04-21  6:31 ` H. Peter Anvin
2003-04-20 21:26 Andries.Brouwer
2003-04-20 21:43 ` David S. Miller
2003-04-20 21:56   ` Linus Torvalds
2003-04-21 11:59     ` Roman Zippel
2003-04-21 18:01       ` Linus Torvalds
2003-04-21 18:10         ` Christoph Hellwig
2003-04-21 18:21           ` viro
2003-04-21 18:22           ` Linus Torvalds
2003-04-21 18:27             ` viro
2003-04-21 18:35               ` Linus Torvalds
2003-04-21 18:54                 ` viro
2003-04-21 19:16                   ` Jörn Engel
2003-04-21 18:35             ` Christoph Hellwig
2003-04-21 18:42               ` H. Peter Anvin
2003-04-21 18:44               ` Linus Torvalds
2003-04-21 18:47                 ` Christoph Hellwig
2003-04-21 18:58                   ` viro
2003-04-21 19:05                     ` Linus Torvalds
2003-04-21 19:35                       ` viro
2003-04-21 20:02                         ` Linus Torvalds
2003-04-21 19:04                   ` Linus Torvalds
2003-04-21 19:59                     ` H. Peter Anvin
2003-04-21 18:51                 ` H. Peter Anvin
2003-04-21 23:49             ` Roman Zippel
2003-04-20 20:34 Andries.Brouwer
2003-04-20 21:12 ` David S. Miller
2003-04-20 18:39 Andries.Brouwer
2003-04-20 18:52 ` Christoph Hellwig

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