Re: Bug#239952: kernel-source-2.6.4: qla2xxx contains non-free firmware
On Sun, Mar 28, 2004 at 12:01:26PM +0200, Christoph Hellwig wrote:
> On Sun, Mar 28, 2004 at 12:36:57AM +1100, Hamish Moffatt wrote:
> > (its firmware was in the source). I notice that upstream linux 2.6.4
> > contains a rewrite of the e100 driver that no longer loads binary-only
> > firmware over the firmware built-in to the hardware, but the binary-only
> > firmware did have a performance advantage over the built-in firmware
> > which is presumably now lost.
>
> Actually it didn't. Linux upstream and Intel are not Debian, and they
> don't really care about your issues here. The firmware was added
> because hardware checksum offloading was on the checklist for the
> original driver author, and it has been removed now because it doesn't
> provide any benefit with modern host cpus but complicates the code a
> lot.
This is hardly relevant to the topic, but do you have proof of this?
It looked beneficial in some circumstances to me in some profiling
I did recently.
Hamish
--
Hamish Moffatt VK3SB <hamish@debian.org> <hamish@cloud.net.au>
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