From: Jan Moskyto Matejka <mq@suse.cz>
To: David Laight <David.Laight@ACULAB.COM>
Cc: Alexey Charkov <alchark@gmail.com>, Roger Luethi <rl@hellgate.ch>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] net: via-rhine: fix compiler warning
Date: Wed, 30 Apr 2014 12:08:42 +0200 [thread overview]
Message-ID: <20140430100841.GD24832@moskyto.dyndns.org> (raw)
In-Reply-To: <063D6719AE5E284EB5DD2968C1650D6D0F702D55@AcuExch.aculab.com>
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> > Also thanks for suggesting (void*)->(unsigned long), I didn't
> > know that these two are defined to have the same size (in kernel code).
>
> The kernel assumes that throughout - the double cast is common.
> The C99 type is uintptr_t - but I don't think that is defined in kernel.
> The only place I know where sizeof (long) != sizeof (void *) is 64bit
> windows. So anyone trying to compile a linux driver to run in the
> windows kernel might have issues (never mind the GPL ones).
My colleague here has just explained me the same. :)
Being a linux-kernel newbie, I'm learning every day. Kernel programming
is more different from userspace than I ever thought. Thank you for your
patience.
--
Jan Matějka <mq@suse.cz>
SUSE Labs
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prev parent reply other threads:[~2014-04-30 10:08 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-29 17:36 [PATCH] net: via-rhine: fix compiler warning Jan Moskyto Matejka
2014-04-29 18:09 ` Alexey Charkov
2014-04-29 19:47 ` Jan Moskyto Matejka
2014-04-30 8:49 ` David Laight
2014-04-30 9:22 ` Alexey Charkov
2014-04-30 9:35 ` David Laight
2014-04-30 12:06 ` [PATCH] net: via-rhine: Fix compiler warning re: pointer casting on 64bit Alexey Charkov
2014-04-30 18:21 ` [PATCH] net: via-rhine: Drop revision property, use quirks instead Alexey Charkov
2014-05-02 19:56 ` David Miller
2014-05-03 12:40 ` [PATCH] net: via-rhine: Convert #ifdef USE_MMIO to a runtime flag Alexey Charkov
2014-05-05 19:37 ` David Miller
2014-05-01 9:30 ` [PATCH] net: via-rhine: Fix compiler warning re: pointer casting on 64bit David Laight
2014-05-01 11:33 ` Alexey Charkov
2014-04-30 9:50 ` [PATCH] net: via-rhine: fix compiler warning Jan Moskyto Matejka
2014-04-30 9:57 ` David Laight
2014-04-30 10:08 ` Jan Moskyto Matejka [this message]
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