linux-kernel - Re: [tip:timers/urgent] clockevents: tTack broadcast device mode change in tick_broadcast_switch_to

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Date:	Thu, 12 Apr 2012 13:10:11 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	Suresh Siddha <suresh.b.siddha@...el.com>
CC:	Alex Shi <lkml.alex@...il.com>, mingo@...nel.org, hpa@...or.com,
	linux-kernel@...r.kernel.org, santosh.shilimkar@...com,
	tglx@...utronix.de, "Chen, Tim C" <tim.c.chen@...el.com>
Subject: Re: [tip:timers/urgent] clockevents: tTack broadcast device mode
 change in tick_broadcast_switch_to_oneshot()

On 04/12/2012 12:35 PM, Suresh Siddha wrote:

> On Thu, 2012-04-12 at 09:27 +0800, Alex Shi wrote:
>> This patch recovered the loopback netperf testing on NHM machine, but
>> on SNB machine, It isn't need a broadcost timer at all.
>>
>> Do you think it is better to remove oneshot broadcast on WSM/SNB machine?
> 
> on WSM/SNB, we already don't use broadcast timer and always use
> apictimer instead.


Yes, you are right. I omitted this.

Tick Device: mode:     1
Broadcast device
Clock Event Device: hpet
...
tick_broadcast_mask: 00000000
tick_broadcast_oneshot_mask: 00000000


> 
> thanks,
> suresh
> 


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