linux-kernel - Re: [GIT] Sparc

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Message-ID: <CA+55aFz54eqrSy0TM3JNLXzyHO-DjsTHBLTWY1HTeZSyMLf73A@mail.gmail.com>
Date:	Thu, 5 Nov 2015 16:56:19 -0800
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	David Miller <davem@...emloft.net>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	sparclinux@...r.kernel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [GIT] Sparc

On Thu, Nov 5, 2015 at 4:43 PM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
>
> Not that this *matters*, but it's a bit odd to have to cast constants
> to perfectly regular C types.

Looking around with "git grep", there's a few more of these.

 - btrfs seems to like "(unsigned long)-1"

   There's a few other users of that too, including more sparc uses.

 - scsi/qla seems to like "(unsigned long)<hexnumber>"

 - fmdrv_common.h seems to like "((unsigned long)1<<x)" for bitmaps

along with a smattering of random noise all over of "(unsigned long)
n" where 'n' is some integer.

Apparently people aren't as aware of the normal "ul" postfix syntax as
I would have expected. That said, it's a hundred-odd cases in all of
the kernel, so it's still fairly rare.

                 Linus
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