From: Daniel Phillips <phillips@arcor.de>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: Neil Brown <neilb@cse.unsw.edu.au>, Pavel Machek <pavel@suse.cz>,
Peter Chubb <peter@chubb.wattle.id.au>,
torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: Large block device patch, part 1 of 9
Date: Tue, 3 Sep 2002 22:02:38 +0200 [thread overview]
Message-ID: <E17mJsl-0005k6-00@starship> (raw)
In-Reply-To: <20020903155045.J21268@redhat.com>
On Tuesday 03 September 2002 21:50, Benjamin LaHaise wrote:
> On Tue, Sep 03, 2002 at 09:42:56PM +0200, Daniel Phillips wrote:
> > and I expect it will be this time too. It's just a printk! Who cares if it
> > wastes a few bytes. It's even conceivable that if we use this idiom heavily
> > enough, some gcc boffin will take the time to optimize away the useless
> > conversions.
>
> The issue of casting was never successfully treated by any of the approaches
> that were presented, except by Neil's llsect() function. It's shorter than
> (long long)sect and has type safety, so let's just use it.
If you must have a clever macro:
#define lli(foo) (long long int) (foo)
#define llu(foo) (long long unsigned) (foo)
The %lli/%llu have to be there in the format string (modulo as-yet-uninvented
printk hackery) so the cast might as well be there as well.
--
Daniel
next prev parent reply other threads:[~2002-09-03 19:55 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-23 5:47 Peter Chubb
2002-08-23 7:07 ` Andreas Dilger
2002-08-27 15:23 ` Pavel Machek
2002-08-27 22:58 ` Benjamin LaHaise
2002-08-27 23:40 ` Peter Chubb
2002-09-03 10:01 ` Neil Brown
2002-09-03 16:04 ` Linus Torvalds
2002-09-03 16:21 ` Thunder from the hill
2002-09-03 23:06 ` Neil Brown
2002-12-03 0:03 ` H. Peter Anvin
2002-09-03 19:42 ` Daniel Phillips
2002-09-03 19:50 ` Benjamin LaHaise
2002-09-03 20:02 ` Daniel Phillips [this message]
2002-09-03 20:04 ` Benjamin LaHaise
2002-09-03 20:19 ` Daniel Phillips
2002-09-03 20:25 ` Daniel Phillips
2002-09-03 20:05 ` Thunder from the hill
2002-09-03 20:19 ` Daniel Phillips
2002-12-03 0:05 ` H. Peter Anvin
[not found] <15732.34929.657481.777572@notabene.cse.unsw.edu.au.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.44.0209030900410.1997-100000@home.transmeta.com.suse.lists.linux.kernel>
2002-09-03 16:23 ` Andi Kleen
2002-09-03 8:19 ` Linus Torvalds
2002-09-03 16:43 ` Nikita Danilov
2002-09-03 8:45 ` Linus Torvalds
2002-12-03 0:06 ` H. Peter Anvin
2002-12-05 10:58 ` Pavel Machek
2002-12-05 21:15 ` H. Peter Anvin
[not found] <825516963@toto.iv>
[not found] ` <15734.37217.686498.162782@wombat.chubb.wattle.id.au>
2002-09-05 0:04 ` Benjamin LaHaise
2002-09-05 0:38 ` Daniel Phillips
2002-09-05 1:31 ` Benjamin LaHaise
2002-09-05 4:05 ` Daniel Phillips
[not found] <fa.l4d1mqv.1ghm1h2@ifi.uio.no>
[not found] ` <fa.j8nq6dv.14lihor@ifi.uio.no>
2002-12-03 8:45 ` Giacomo Catenazzi
2002-12-03 17:40 ` H. Peter Anvin
2002-12-03 17:48 ` Giacomo Catenazzi
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