Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt
From: Li Zefan
Date: Mon Feb 18 2013 - 20:55:23 EST
On 2013/2/14 1:24, Steven Rostedt wrote:
> On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote:
>> 3.2-rt is a long term supported kernel, which lacks two RT features
>> from 3.6: SLUB support and the split softirq lock implementation.
>> SLUB has a way better performance than SLAB on RT and the split
>> softirq lock implementation is necessary especially for realtime
>> networking applications.
>> The following patch series backports these features to 3.2-rt.
>> Steven, could you please apply these patches to a separate
>> 3.2-rt-features branch?
> Is it possible to separate these two features into two different patch
> sets. I would like to apply the softirq changes first, and then apply
> the slub changes.
> Although it looks as though the first half is softirq only 1-8, and the
> second half is slub related 9-16. If that's the case, I'll just pull in
> 1-8 first, play with them, and then do 9-16.
We've also ported these two features to 3.4-rt. Do you want us to post
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