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From: David Laight <David.Laight@ACULAB.COM>
To: 'Andrew Morton' <akpm@linux-foundation.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"Linus Torvalds" <torvalds@linux-foundation.org>,
	'Andy Shevchenko' <andriy.shevchenko@linux.intel.com>,
	"'Matthew Wilcox (Oracle)'" <willy@infradead.org>,
	'Christoph Hellwig' <hch@infradead.org>,
	"'Jason A. Donenfeld'" <Jason@zx2c4.com>
Subject: RE: [PATCH next v4 0/5] minmax: Relax type checks in min() and max().
Date: Thu, 28 Sep 2023 08:10:09 +0000	[thread overview]
Message-ID: <0b03cbd61c104b1db0848f3ad900a2ea@AcuMS.aculab.com> (raw)
In-Reply-To: <20230927103014.683e41b855cb2cd4ea163fa5@linux-foundation.org>

From: Andrew Morton
> Sent: 27 September 2023 18:30
> 
> On Mon, 18 Sep 2023 08:14:40 +0000 David Laight <David.Laight@ACULAB.COM> wrote:
> 
> > A quick grep shows 5734 min() and 4597 min_t().
> > Having the casts on almost half of the calls shows that something
> > is clearly wrong.

Thanks for taking these.
I had a horrid thought they were languishing again.

> My preferred approach to fixing min() warnings is "the types are wrong".
> But often getting the types better is hard.
> 
> Is there a plan afoot to go around existing code doing some
> min_t()->min() conversions?

Could get tedious given there are 4500+ min_t() out there.
Also every one needs looking at just to check it isn't relying
on the cast - a few do,

But they could get reduced slowly.
Not adding more would be a bonus!

	David

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Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


  reply	other threads:[~2023-09-28  8:10 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-18  8:14 David Laight
2023-09-18  8:16 ` [PATCH next v4 1/5] minmax: Add umin(a, b) and umax(a, b) David Laight
2024-01-12 12:49   ` Dan Carpenter
2024-01-12 13:40     ` David Laight
2024-01-12 14:03       ` Dan Carpenter
2024-01-12 14:26         ` David Laight
2024-01-18 10:30           ` Dan Carpenter
2023-09-18  8:17 ` [PATCH next v4 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness David Laight
2023-09-18  8:17 ` [PATCH next v4 3/5] minmax: Fix indentation of __cmp_once() and __clamp_once() David Laight
2023-09-18  8:18 ` [PATCH next v4 4/5] minmax: Allow comparisons of 'int' against 'unsigned char/short' David Laight
2023-09-18  8:19 ` [PATCH next v4 5/5] minmax: Relax check to allow comparison between unsigned arguments and signed constants David Laight
2023-09-27 17:30 ` [PATCH next v4 0/5] minmax: Relax type checks in min() and max() Andrew Morton
2023-09-28  8:10   ` David Laight [this message]
2024-01-08 11:46 ` Jiri Slaby
2024-01-08 13:34   ` David Laight
2024-01-08 18:19   ` Linus Torvalds
2024-01-08 20:04     ` Linus Torvalds
2024-01-08 21:11       ` Linus Torvalds
2024-01-09  0:39         ` [PATCH next v4 0/5] minmax: Relax type checks in min() and max().^[[C John Stoffel
2024-01-09  6:54         ` [PATCH next v4 0/5] minmax: Relax type checks in min() and max() Jiri Slaby
2024-01-10  6:17         ` Stephen Rothwell
2024-01-10  9:03           ` David Laight
2024-01-10 19:35           ` Linus Torvalds
2024-01-10 22:58             ` David Laight
2024-01-20 21:33               ` Linus Torvalds
2024-01-21 22:18                 ` David Laight
2024-01-09  9:35     ` David Laight
2024-01-09  9:41     ` David Laight
2024-01-09 12:09     ` Kalle Valo
2024-01-19  7:14     ` Jiri Slaby
2024-01-19  8:23       ` Hans Verkuil
2024-01-19  9:14       ` David Laight
2024-01-12  9:13 ` Dan Carpenter
2024-01-12 12:16   ` David Laight
2024-01-12 12:40     ` Dan Carpenter

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