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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Tom Herbert <therbert@google.com>
Subject: Re: [PATCH net-next] softirq: reduce latencies
Date: Thu, 03 Jan 2013 22:53:27 -0800	[thread overview]
Message-ID: <1357282407.21409.28206.camel@edumazet-glaptop> (raw)
In-Reply-To: <87r4m1r0hm.fsf@sejong.aot.lge.com>

On Fri, 2013-01-04 at 14:16 +0900, Namhyung Kim wrote:

> Probably a silly question:
> 
> Why not using ktime rather than jiffies for this?

ktime is too expensive on some hardware.

Here we only want a safety belt, no need for high time resolution.

  reply	other threads:[~2013-01-04  6:53 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-03 12:28 [PATCH net-next] softirq: reduce latencies Eric Dumazet
2013-01-03 20:46 ` Andrew Morton
2013-01-03 22:41   ` Eric Dumazet
2013-01-04  5:16     ` Namhyung Kim
2013-01-04  6:53       ` Eric Dumazet [this message]
     [not found]     ` <787701357283699@web24e.yandex.ru>
2013-01-04  7:46       ` Eric Dumazet
2013-01-03 22:08 ` Ben Hutchings
2013-01-03 22:40   ` Eric Dumazet
2013-01-04  7:49     ` [PATCH v2 " Eric Dumazet
2013-01-04  8:15       ` Joe Perches
2013-01-04  8:23         ` Eric Dumazet
2013-01-04  9:12           ` Joe Perches
2013-01-04 17:00             ` Eric Dumazet
2013-01-04 21:15               ` [PATCH] jiffies conversions: Use compile time constants when possible Joe Perches
2013-01-04 21:49       ` [PATCH v2 net-next] softirq: reduce latencies David Miller
  -- strict thread matches above, loose matches on Subject: below --
2013-01-03 13:12 [PATCH " Sedat Dilek
2013-01-03 13:31 ` Eric Dumazet
2013-01-03 19:41   ` Rick Jones
2013-01-04  4:41     ` Eric Dumazet
2013-01-04  5:31       ` Sedat Dilek
2013-01-04  6:54         ` Eric Dumazet
2013-01-04 11:57       ` Sedat Dilek

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