Date: Mon, 28 Jun 2004 19:15:45 -0700
From: "David S. Miller" <davem@redhat.com>
To: "Robert White" <rwhite@casabyte.com>
Cc: oliver@neukum.org, scott@timesys.com, zaitcev@redhat.com, greg@kroah.com,
       arjanv@redhat.com, jgarzik@redhat.com, tburke@redhat.com,
       linux-kernel@vger.kernel.org, stern@rowland.harvard.edu,
       mdharm-usb@one-eyed-alien.net, david-b@pacbell.net
Subject: Re: drivers/block/ub.c
Message-Id: <20040628191545.7a298bc3.davem@redhat.com>
In-Reply-To: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA2ZSI4XW+fk25FhAf9BqjtMKAAAAQAAAAdh8B1uF8jku6cyB2zk3ojwEAAAAA@casabyte.com>
References: <20040628140343.572a0944.davem@redhat.com>
	<!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAA2ZSI4XW+fk25FhAf9BqjtMKAAAAQAAAAdh8B1uF8jku6cyB2zk3ojwEAAAAA@casabyte.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 881
Lines: 21

On Mon, 28 Jun 2004 18:54:46 -0700
"Robert White" <rwhite@casabyte.com> wrote:

> The below makes no sense to me...  Nothing in the definition of struct bar{} (which
> is not packed) infers (top me) in the slightest that foo should be unnaturally
> aligned within it.

First of all, it is what the compiler does and has done since the
__packed__ attribute was added.

Second of all, you are asking it to "PACK" the structure, this includes
any place you place it within other data objects.  It becomes an N-byte
blob that has no alignment constraints must be placed exactly where it
is declared.

I am growing very tired of this thread.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/