Re: [PATCH 2/7] kfifo: move out spinlock
[Posted August 19, 2009 by jake]
| From: |
| Alan Cox <alan-AT-lxorguk.ukuu.org.uk> |
| To: |
| Stefani Seibold <stefani-AT-seibold.net> |
| Subject: |
| Re: [PATCH 2/7] kfifo: move out spinlock |
| Date: |
| Sun, 16 Aug 2009 23:58:43 +0100 |
| Message-ID: |
| <20090816235843.0f7f11de@lxorguk.ukuu.org.uk> |
| Cc: |
| linux-kernel <linux-kernel-AT-vger.kernel.org>,
Andrew Morton <akpm-AT-linux-foundation.org>,
Arnd Bergmann <arnd-AT-arndb.de>,
Andi Kleen <andi-AT-firstfloor.org>,
Amerigo Wang <xiyou.wangcong-AT-gmail.com>,
Joe Perches <joe-AT-perches.com> |
| Archive-link: |
| Article, Thread
|
On Sun, 16 Aug 2009 22:46:30 +0200
Stefani Seibold <stefani@seibold.net> wrote:
> Move the pointer to the spinlock out of struct kfifo. Most
> users in tree do not actually use a spinlock, so the few
> exceptions now have to call kfifo_{get,put}_locked, which takes
> an extra argument to a spinlock.
NAK this one for the moment
We are about to set fifo loose through all the USB and some other
char/serial drivers all of which will use the spinlock facility.
(
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