netdev - RE: What was the reason for 2.6.22 SMP kernels to change how sendmsg is called?

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Date:	Thu, 13 Dec 2007 16:45:36 -0800
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	"Kevin Wilson" <Kevin.Wilson@...trol.com>
Cc:	<netdev@...r.kernel.org>
Subject: RE: What was the reason for 2.6.22 SMP kernels to change how sendmsg is called?

Kevin Wilson wrote:
> Nonetheless, a somewhat recent change in your tree, that I could not
> pinpoint on my own, caused the driver to stop functioning properly.
> So after much searching in git/google/sources with no luck, I decided
> to ask for a little assistance, maybe just a hint as to where the
> culprit may be in the tree so I could investigate for myself. For
> SNGs I tried the method that now works but I am still at a loss as to
> (can't find) what changes in the tree caused it to fail.      

Kevin, could you give git-bisect a shot?  if you have two kernel
versions or -rcX tags that work and don't work, then you can use bisect
to help find the patch that causes it.

you can search for from:torvalds and git-bisect to see lots of
instructions from Linus on how to do it.  If you have a fast machine and
a few hours and an automatable test it can go really fast, probably less
than 12 rebuilds.

Good Luck,
  Jesse
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