netdev - Re: [PATCH] ixgbe: Introduce new 10GbE driver for Intel 82598 based PCI Express adapters...

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Message-ID: <46897756.1000005@garzik.org>
Date:	Mon, 02 Jul 2007 18:08:22 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	"Kok, Auke" <auke-jan.h.kok@...el.com>
CC:	Christoph Hellwig <hch@...radead.org>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	"Veeraiyan, Ayyappan" <ayyappan.veeraiyan@...el.com>,
	netdev@...r.kernel.org, arjan@...ux.intel.com,
	akpm@...ux-foundation.org
Subject: Re: [PATCH] ixgbe: Introduce new 10GbE driver for Intel 82598 based
 PCI	Express adapters...

Kok, Auke wrote:
> I suppose I can fix those, but I really don't understand what all the 
> fuzz is about here. We're only conserving memory and staying far away 
> from the real risks of bitmasks, so forgive me if I don't grasp the 
> problem.

Be it machine ints or bitfields, you're not conserving memory.  Think 
about struct padding.

As to the overall question, I already posted a long list of problems 
with bitfields.  Shall I repeat?

	Jeff


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