From: Andi Kleen <andi@firstfloor.org>
To: Stefani Seibold <stefani@seibold.net>
Cc: linux-kernel <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Arnd Bergmann <arnd@arndb.de>, Andi Kleen <andi@firstfloor.org>,
Amerigo Wang <xiyou.wangcong@gmail.com>,
Joe Perches <joe@perches.com>
Subject: Re: [PATCH 0/7] kfifo: new API v0.6
Date: Sun, 25 Oct 2009 02:48:31 +0100 [thread overview]
Message-ID: <20091025014831.GC32470@one.firstfloor.org> (raw)
In-Reply-To: <1256391194.7362.7.camel@wall-e>
On Sat, Oct 24, 2009 at 03:33:14PM +0200, Stefani Seibold wrote:
> This is a new generic kernel FIFO implementation.
>
> The current kernel fifo API is not very widely used, because it has to many
> constrains. Only 17 files in the current 2.6.31-rc5 used it. FIFO's are
> like list's a very basic thing and a kfifo API which handles the most use
> case would save a lot of development time and memory resources.
>
> I think this are the reasons why kfifo is not in use:
>
> - The API is to simple, important functions are missing
> - A fifo can be only allocated dynamically
> - There is a need of a spinlock despite you need it or not
> - There is no support for data records inside a fifo
I have some plans to use this kfifo code in upcoming code (mostly
as a very simple lower overhead NMI safe per CPU fifo). I would appreciate
if it could be merged ASAP
I didn't review this iteration, but earlier ones.
Acked-by: Andi Kleen <ak@linux.intel.com>
-Andi
next prev parent reply other threads:[~2009-10-25 1:48 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-24 13:33 Stefani Seibold
2009-10-24 13:35 ` [PATCH 1/7] " Stefani Seibold
2009-10-24 13:36 ` [PATCH 2/7] " Stefani Seibold
2009-10-24 13:38 ` [PATCH 3/7] " Stefani Seibold
2009-10-24 13:40 ` [PATCH 4/7] " Stefani Seibold
2009-10-24 13:42 ` [PATCH 5/7] " Stefani Seibold
2009-10-24 13:44 ` [PATCH 6/7] " Stefani Seibold
2009-10-24 13:45 ` [PATCH 7/7] " Stefani Seibold
2009-10-25 1:48 ` Andi Kleen [this message]
2009-10-25 8:12 ` [PATCH 0/7] " Stefani Seibold
2009-10-30 22:24 ` Greg KH
2009-10-31 7:50 ` Stefani Seibold
2009-10-31 19:10 ` Greg KH
2009-11-01 9:50 ` Stefani Seibold
2009-10-28 1:49 Andy Walls
2009-10-28 3:20 ` Andi Kleen
2009-10-28 5:36 ` Mauro Carvalho Chehab
2009-11-16 11:50 Stefani Seibold
2009-11-18 21:33 ` Andrew Morton
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