From: Jeff Garzik <jeff@garzik.org>
To: Michael Buesch <mb@bu3sch.de>
Cc: "Kok, Auke" <auke-jan.h.kok@intel.com>,
Christoph Hellwig <hch@infradead.org>,
Stephen Hemminger <shemminger@linux-foundation.org>,
"Veeraiyan, Ayyappan" <ayyappan.veeraiyan@intel.com>,
netdev@vger.kernel.org, arjan@linux.intel.com,
akpm@linux-foundation.org
Subject: Re: [PATCH] ixgbe: Introduce new 10GbE driver for Intel 82598 based PCI Express adapters...
Date: Mon, 02 Jul 2007 18:16:20 -0400 [thread overview]
Message-ID: <46897934.5040101@garzik.org> (raw)
In-Reply-To: <200707030010.25431.mb@bu3sch.de>
Michael Buesch wrote:
> On Tuesday 03 July 2007 00:02:57 Kok, Auke wrote:
>> well, FWIW when I started looking at adding these flags I looked in various
>> subsystems in the kernel and picked an implementation that suited. Guess what
>> pci.h has? ...:
>>
>> unsigned int msi_enabled:1;
>> unsigned int msix_enabled:1;
>>
>> this is literally where I copied the example from
>>
>> 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
>
> I'm not sure if these bitfields actually _do_ conserve memory.
> Generated code gets bigger (need bitwise masks and stuff).
> Code also needs memory. It probably only conserves memory, if the
> structure is instanciated a lot.
Actually, that's a good point. On several RISC architectures it
certainly generates bigger code.
Jeff
next prev parent reply other threads:[~2007-07-02 22:16 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 23:44 [ANNOUNCE] new driver ixgbe for Intel(R) 10GbE PCI Express adapters Ayyappan.Veeraiyan
2007-06-12 23:44 ` [PATCH] ixgbe: Introduce new 10GbE driver for Intel 82598 based " Ayyappan Veeraiyan
2007-07-02 12:52 ` Jeff Garzik
2007-07-02 14:05 ` Arjan van de Ven
2007-07-02 14:25 ` Jeff Garzik
2007-07-02 14:27 ` Arjan van de Ven
2007-07-02 14:41 ` Jeff Garzik
2007-07-02 14:41 ` Arjan van de Ven
2007-07-02 15:26 ` Kok, Auke
2007-07-02 15:32 ` Jeff Garzik
2007-07-02 15:52 ` Andrew Morton
2007-07-02 16:09 ` Jeff Garzik
2007-07-02 15:54 ` Kok, Auke
2007-07-06 8:46 ` Ingo Oeser
2007-07-02 14:31 ` Arjan van de Ven
2007-07-02 19:00 ` Veeraiyan, Ayyappan
2007-07-02 19:04 ` Ayyappan Veeraiyan
2007-07-02 20:16 ` Christoph Hellwig
2007-07-02 21:09 ` Stephen Hemminger
2007-07-02 21:42 ` Christoph Hellwig
2007-07-02 22:02 ` Kok, Auke
2007-07-02 22:08 ` Jeff Garzik
2007-07-02 22:10 ` Michael Buesch
2007-07-02 22:16 ` Jeff Garzik [this message]
2007-07-02 23:57 ` Kok, Auke
2007-07-03 0:11 ` Jeff Garzik
2007-07-03 0:16 ` Inaky Perez-Gonzalez
2007-07-03 13:19 ` Jeff Garzik
2007-07-03 18:24 ` Inaky Perez-Gonzalez
2007-07-05 23:29 ` Jeff Garzik
2007-07-03 0:08 ` Veeraiyan, Ayyappan
2007-07-03 22:01 ` Ayyappan Veeraiyan
2007-07-02 22:56 ` Veeraiyan, Ayyappan
2007-07-03 12:53 ` Neil Horman
2007-07-05 12:37 ` Neil Horman
2007-07-09 14:21 ` Veeraiyan, Ayyappan
2007-07-10 0:57 ` Neil Horman
2007-06-13 23:05 ` [ANNOUNCE] new driver ixgbe for Intel(R) 10GbE " Francois Romieu
2007-06-13 23:18 ` Kok, Auke
2007-06-14 0:06 ` Ayyappan Veeraiyan
2007-06-14 20:36 ` Francois Romieu
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