[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <1368435563.19924.28.camel@pasglop>
Date: Mon, 13 May 2013 18:59:23 +1000
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: Li Zhong <zhong@...ux.vnet.ibm.com>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
paulmck@...ux.vnet.ibm.com, fweisbec@...il.com, paulus@...ba.org,
michael@...erman.id.au, Anton Blanchard <anton@....ibm.com>
Subject: Re: [RFC PATCH v3 0/5] powerpc: Support context tracking for Power
pSeries
On Mon, 2013-05-13 at 16:03 +0800, Li Zhong wrote:
>
> To my understanding, it is used to enable RCU user extended quiescent
> state, so RCU on that cpu doesn't need scheduler ticks. And together
> with some other code(already in 3.10), we are able to remove the ticks
> in some cases (e.g. only 1 task running on the cpu, with some other
> limitations).
Ok, sounds interesting. Once you fix the little cosmetic issue, I don't
see any reason not to merge them as it's basically wiring up an existing
feature (in that regard the patches are pretty straightforward) and I
assume the overhead is only there when you enable it.
Cheers,
Ben.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists