From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: George Spelvin <lkml@sdf.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Andrey Abramov <st5pub@yandex.ru>,
Daniel Wagner <daniel.wagner@siemens.com>,
Don Mullis <don.mullis@gmail.com>,
Dave Chinner <dchinner@redhat.com>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH 1/5] lib/sort: Make swap functions more generic
Date: Wed, 13 Mar 2019 23:02:06 +0100 [thread overview]
Message-ID: <CAMuHMdVj43Kd7Pm7t4oZZBbe-rJi_-wAmiY9HxR73zkdb8ypoQ@mail.gmail.com> (raw)
In-Reply-To: <6e08375f-6960-546b-39a6-26ff24a0ce0e@rasmusvillemoes.dk>
On Wed, Mar 13, 2019 at 10:23 PM Rasmus Villemoes
<linux@rasmusvillemoes.dk> wrote:
> On 21/02/2019 07.30, George Spelvin wrote:
> > +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
> > + (void)base;
> > +#else
> > + lsbits |= (unsigned int)(size_t)base;
>
> The kernel usually casts pointers to long or unsigned long. If some
> oddball arch has size_t something other than unsigned long, this would
> give a "warning: cast from pointer to integer of different size". So
> just cast to unsigned long, and drop the cast to unsigned int.
The proper integer equivalent of a pointer is uintptr_t, so please use
that instead of size_t.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2019-03-13 22:02 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-09 2:17 [PATCH 0/5] lib/sort & lib/list_sort: faster and smaller George Spelvin
2019-02-21 6:30 ` [PATCH 1/5] lib/sort: Make swap functions more generic George Spelvin
[not found] ` <20190309140653.GO9224@smile.fi.intel.com>
2019-03-09 15:53 ` lkml
2019-03-09 20:19 ` Andrey Abramov
2019-03-14 9:29 ` Andy Shevchenko
2019-03-14 10:09 ` George Spelvin
2019-03-14 10:41 ` Geert Uytterhoeven
2019-03-14 11:53 ` George Spelvin
2019-03-14 12:18 ` Andy Shevchenko
2019-03-14 19:59 ` Andrey Abramov
2019-03-15 3:35 ` George Spelvin
2019-03-15 8:27 ` Geert Uytterhoeven
2019-03-14 10:11 ` George Spelvin
2019-03-09 21:02 ` George Spelvin
2019-03-13 21:23 ` Rasmus Villemoes
2019-03-13 22:02 ` Geert Uytterhoeven [this message]
2019-03-13 23:15 ` George Spelvin
2019-02-21 8:21 ` [PATCH 2/5] lib/sort: Use more efficient bottom-up heapsort variant George Spelvin
2019-03-13 22:29 ` Rasmus Villemoes
2019-03-14 0:03 ` George Spelvin
2019-03-14 0:15 ` Rasmus Villemoes
2019-02-21 8:21 ` [PATCH 3/5] lib/sort: Avoid indirect calls to built-in swap George Spelvin
2019-03-05 3:06 ` [PATCH 4/5] lib/list_sort: Simplify and remove MAX_LIST_LENGTH_BITS George Spelvin
2019-03-10 21:54 ` Rasmus Villemoes
2019-03-10 22:29 ` George Spelvin
2019-03-14 9:10 ` Andy Shevchenko
2019-03-14 9:41 ` George Spelvin
2019-03-15 4:33 ` George Spelvin
2019-03-15 8:20 ` Geert Uytterhoeven
2019-03-15 10:23 ` George Spelvin
2019-03-15 12:57 ` Geert Uytterhoeven
2019-03-15 16:59 ` George Spelvin
2019-03-15 17:47 ` Geert Uytterhoeven
2019-03-15 18:53 ` Andrey Abramov
2019-03-15 19:06 ` Andy Shevchenko
2019-03-15 19:23 ` Andrey Abramov
2019-03-15 19:56 ` Andy Shevchenko
2019-03-16 3:49 ` George Spelvin
2019-03-05 5:58 ` [PATCH 5/5] lib/list_sort: Optimize number of calls to comparison function George Spelvin
2019-03-13 23:28 ` Rasmus Villemoes
2019-03-14 1:58 ` George Spelvin
2019-06-21 23:12 ` Rasmus Villemoes
2019-12-08 8:01 ` George Spelvin
2019-03-15 19:54 ` [PATCH 0/5] lib/sort & lib/list_sort: faster and smaller Andrey Abramov
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