linux-kernel - Re: [patch 0/8] xtensa: s6000 & s6105 - Git Repo Pulled; will try to merge early next week and get back to ya.

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Date:	Sat, 04 Apr 2009 04:01:23 -0700
From:	Piet Delaney <piet.delaney@...silica.com>
To:	Johannes Weiner <jw@...ix.com>, Marc Gauthier <marc@...silica.com>,
	Chris Zankel <chris@...kel.net>
CC:	Piet Delaney <piet.delaney@...il.com>,
	Piet Delaney <pdelaney@...silica.com>,
	Cord Seele <cs@...ix.com>, Oskar Schirmer <os@...ix.com>,
	Daniel Gloeckner <dg@...ix.com>,
	Piet Delaney <piet@...silica.com>,
	Maxim Grigoriev <maxim@...silica.com>,
	Dan Nicolaescu <dann@...silica.com>,
	Bill Huffman <huffman@...silica.com>,
	Ross Morley <ross@...silica.com>,
	Chris Jones <cjones@...silica.com>,
	linux-xtensa@...ux-xtensa.org, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Dror Maydan <maydan@...silica.com>
Subject: Re: [patch 0/8] xtensa: s6000 & s6105 - Git Repo Pulled; will try
 to merge early next week and get back to ya.

Johannes Weiner wrote:

>> What's you proposal?
> 
> Sounds terrific.  I wish you had told us this plan before, that would
> have saved us quite some discussion ;)
> 
> So please let us know where to find the merged tree when it's ready.
> We will test it on our S6000 board and look over your work.

I resolved the problems with the merge this evening and posted a
copy here and at kernel.org:

     git+ssh://git.linux-xtensa.org/git/kernel/xtensa-2.6.29-smp

     git://git.kernel.org/pub/scm/linux/kernel/git/piet/xtensa-2.6.29-smp.git

I have two SMP FPGA systems testing the merge, one with cache aliasing, the other
without. Both have been up now running NTP as a stress test for about two hours
without any problems. Earlier this evening I did have one problem when it was just
sitting idle; looked like a problem I had before and fixed.

I had one problem I've not worked around for now. In vmlinux.lds.in.S you added a
#include of <platform/hardware.h> put this causes compile problems for the LX60
platform. You added it to define KERNELOFFSET where as I was bringing it from
asm/core.h which caused less problems. <platform/hardware.h> seems reasonable,
haven't got a clean solution for the asm macro problem yet for LX60 platform.

Could you try this on your S6000 boards and look over our work. I'll
try using xt-gdb and ocd with the Stretch board. I likely have a few
minor tweaks in the Kconfig for _S6000 for selecting optimal defaults.

-piet

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