Is it possible to just go ahead and push the core iwarp stuff into
kernel.org?
----- Original Message -----
From: "Tom Tucker" <[EMAIL PROTECTED]>
To: "Sean Hefty" <[EMAIL PROTECTED]>
Cc: "Roland Dreier" <[EMAIL PROTECTED]>; <[email protected]>
Sent: Saturday, January 21, 2006 2:47 PM
Subject: RE: [openib-general] Re: [PATCH] CMA and iWARP
On Sat, 2006-01-21 at 09:13 -0800, Sean Hefty wrote:
>> I don't see much urgency in merging it now. When svn diverges
>> from
>> what's upstream in the kernel, it makes my life harder because I
>> have
>> to figure out which patches belong upstream and sometimes merge
>> things
>> by hand (when they hit the divergent regions).
>
>The easy solution here is not to diverge. Unless the iWARP support
>regresses IB functionality, it does no harm and creates a single
>software core for both iWARP and IB developers to bring new drivers
>to
>market.
Until iWarp is integrated with the kernel,
It thought the approach was branch --> trunk --> kernel. What am I
missing here?
the code will diverge however. And I
agree with Roland, merging diverged code upstream is a pain.
No argument here. Merging code downstream is a pain too ;-)
I'm definitely
willing to re-organize the code to make it easier to maintain the
code out of
the tree. Also, if we can isolate the IB/iWarp code into separate
files, then
it's not a big issue pushing changes upstream.
Making the code more modular is a good idea anyway. The provider and
CM
are already in separate files. At some point, though there is a single
API and these files will have code for both transports (e.g.
ib_verbs.h). One way to modularize the CMA is to have transport CM's
register with the CMA and force all calls through function pointers
ala
verbs.
- Sean
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