[PATCH 1/2] add ARM FCSE support
gilles.chanteperdrix at xenomai.org
Wed Feb 23 00:36:25 CET 2011
Gilles Chanteperdrix wrote:
> Vasily Khoruzhick wrote:
>> On Sunday 19 September 2010 13:52:21 Gilles Chanteperdrix wrote:
>>> Gennady Kupava wrote:
>>>> В Сбт, 18/09/2010 в 22:53 +0300, Vasily Khoruzhick пишет:
>>>>> So, what about FCSE patches for 2.6.36?
>>>> And for 2.6.34.
>>> I did not work on this. Do not worry, I will notify you when it is done.
> Hi all,
> the patch series for FCSE with Linux 2.6.37 is available in the
> following git repository:
> in a branch named fcse-2.6.37
> Also available through gitweb here:
> This is a forward port of the 2.6.33 v4 patch, a few things have
> changed, a few cleanups here and there, while splitting the patch in
> several parts. The most notable change is that we no longer restart
> cache flushes when they were preempted, it was, in fact, useless.
> Also, I noticed that the hackbench test is not the only one in LTP
> testsuite to benefit from the speed improvement brought by this patch,
> the whole LTP testsuite takes actually 15% less time to execute with the
> FCSE patch on.
> I think the patch series can be submitted to mainline, at least as a
> request for comments. If you end up submitting them after 2.6.38 is out,
> then please tell me, and I will rebase on 2.6.38. The most tedious part
> of the job was to split the patch in several parts, now that it is done,
> we can rebase easily.
Sorry guys, I just rebased the branch, we were triggering a false BUG
with CONFIG_PREEMPT_VOLUNTARY + CONFIG_ARM_FCSE_DEBUG.
More information about the openmoko-kernel