linux-kernel - Re: [PATCH] Allow deferrable timers for intervals tv2-tv5 to be deferred

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Date:	Tue, 12 May 2009 12:11:38 +0800
From:	ye janboe <janboe.ye@...il.com>
To:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
Cc:	Jon Hunter <jon-hunter@...com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Allow deferrable timers for intervals tv2-tv5 to be 
	deferred

hi, Jon, Venki

This patch is same as Jouni Hogander's which has been acked by Venki
at 30 Jun 2008.
http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-06/msg11866.html

why Jouni Hogander's patch could not be accepted by LKML?

Thanks

Janboe

2009/4/10 Pallipadi, Venkatesh <venkatesh.pallipadi@...el.com>:
> On Thu, 2009-04-09 at 07:54 -0700, Jon Hunter wrote:
>> In the current kernel implementation only kernel timers for time
>> interval tv1 are being deferred. This patch allows any timer that is
>> configured as deferrable to be defer regardless of time interval.
>>
>> This patch was previously discussed on another the thread [1] and Ack'ed
>>   by Venki Pallipadi the author of the original deferrable timer patch.
>>
>> Venki, could you also ack this patch for confirmation?
>>
>> Cheers
>> Jon
>>
>> [1] http://marc.info/?l=linux-kernel&m=123196343531966&w=2
>>
>>
>
> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>
>
>> Signed-off-by: Jon Hunter <jon-hunter@...com>
>> ---
>>   kernel/timer.c |    3 +++
>>   1 files changed, 3 insertions(+), 0 deletions(-)
>>
>> diff --git a/kernel/timer.c b/kernel/timer.c
>> index b455556..6ab6e96 100644
>> --- a/kernel/timer.c
>> +++ b/kernel/timer.c
>> @@ -1012,6 +1012,9 @@ cascade:
>>               index = slot = timer_jiffies & TVN_MASK;
>>               do {
>>                       list_for_each_entry(nte, varp->vec + slot, entry) {
>> +                             if (tbase_get_deferrable(nte->base))
>> +                                     continue;
>> +
>>                               found = 1;
>>                               if (time_before(nte->expires, expires))
>>                                       expires = nte->expires;
>
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