linux-kernel - Re: [PATCH] net: via-rhine: fix compiler warning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20140430100841.GD24832@moskyto.dyndns.org>
Date:	Wed, 30 Apr 2014 12:08:42 +0200
From:	Jan Moskyto Matejka <mq@...e.cz>
To:	David Laight <David.Laight@...LAB.COM>
Cc:	Alexey Charkov <alchark@...il.com>, Roger Luethi <rl@...lgate.ch>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] net: via-rhine: fix compiler warning

> > 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@...e.cz>
SUSE Labs

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)