From: "David S. Miller" <davem@redhat.com>
To: azarah@gentoo.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.4.21-rc1: byteorder.h breaks with __STRICT_ANSI__ defined (trivial)
Date: Thu, 6 Nov 2003 13:18:41 -0800 [thread overview]
Message-ID: <20031106131841.4b68502e.davem@redhat.com> (raw)
In-Reply-To: <1068153535.12287.355.camel@nosferatu.lan>
On Thu, 06 Nov 2003 23:18:55 +0200
Martin Schlemmer <azarah@gentoo.org> wrote:
> Ok - say for instance then you were to write the abi headers - how would
> you handle a case like this that -ansi forbid type long long, but it
> have to be in the struct userspace uses to pass data to the
> kernel/device ?
I can tell you what cannot happen. You absolutely can't consider
ideas like using '__u32 val[2];' and accessor macros, long long or
whatever type the platform uses for __u64 has different alignment
constraints than the '__u32 val[2]' array thing would.
I believe there is a way to work around this by using the
__extension__ keyword when defining the __u64 typedefs. Someone
should try playing with that. But this is only going to work when
the compiler is GCC.
next prev parent reply other threads:[~2003-11-06 21:24 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-06 17:36 [PATCH] 2.4.21-rc1: byteorder.h breaks with __STRICT_ANSI__ defined (trivial) Martin Schlemmer
2003-11-06 17:37 ` David S. Miller
2003-11-06 18:32 ` Martin Schlemmer
2003-11-06 18:42 ` Martin Schlemmer
2003-11-06 19:37 ` David S. Miller
2003-11-06 20:09 ` Martin Schlemmer
2003-11-06 20:05 ` David S. Miller
2003-11-06 20:29 ` Martin Schlemmer
2003-11-06 20:27 ` David S. Miller
2003-11-06 21:18 ` Martin Schlemmer
2003-11-06 21:18 ` David S. Miller [this message]
2003-11-06 21:59 ` Martin Schlemmer
2003-11-06 21:24 ` Daniel Jacobowitz
2003-11-06 20:40 ` H. Peter Anvin
2003-11-06 22:31 ` David S. Miller
2003-11-06 23:40 ` H. Peter Anvin
2003-11-06 21:21 ` Daniel Jacobowitz
[not found] ` <1068489427.7910.147.camel@nosferatu.lan>
[not found] ` <3FAFE1E2.2020000@zytor.com>
[not found] ` <1068589739.19849.2.camel@nosferatu.lan>
[not found] ` <20031111145805.45206335.davem@redhat.com>
2003-11-15 13:09 ` [PATCH 2.4] " Martin Schlemmer
2003-11-15 13:24 ` [PATCH 2.6] " Martin Schlemmer
[not found] <20030506110259.A29633@infradead.org>
2003-05-06 10:24 ` [PATCH] 2.4.21-rc1: " Thomas Horsten
-- strict thread matches above, loose matches on Subject: below --
2003-05-06 9:16 Thomas Horsten
2003-05-06 9:19 ` David S. Miller
2003-05-06 9:38 ` Christoph Hellwig
2003-05-06 9:47 ` Thomas Horsten
2003-05-06 9:49 ` Christoph Hellwig
2003-05-06 10:03 ` David S. Miller
2003-05-06 14:10 ` Thomas Horsten
2003-05-06 13:06 ` David S. Miller
2003-05-06 15:40 ` Thomas Horsten
2003-05-07 5:50 ` ismail (cartman) donmez
2003-05-07 6:44 ` Thomas Horsten
2003-05-07 6:45 ` Christoph Hellwig
2003-05-07 5:44 ` David S. Miller
2003-05-07 6:55 ` Christoph Hellwig
2003-05-07 6:59 ` Thomas Horsten
2003-05-07 5:53 ` David S. Miller
2003-05-06 21:19 ` David Woodhouse
2003-05-07 3:06 ` David S. Miller
2003-05-07 5:26 ` Christoph Hellwig
2003-05-07 5:07 ` David S. Miller
2003-05-07 6:20 ` Christoph Hellwig
2003-05-07 5:19 ` David S. Miller
2003-05-07 6:28 ` Christoph Hellwig
2003-05-07 5:27 ` David S. Miller
2003-05-07 6:41 ` Christoph Hellwig
2003-05-07 5:42 ` David S. Miller
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