[PATCH 1/4] omap: mailbox: convert rwlocks to spinlock

Hiroshi DOYU Hiroshi.DOYU at nokia.com
Mon May 10 06:40:14 EDT 2010


Hi Felipe,

From: ext Felipe Contreras <felipe.contreras at gmail.com>
Subject: Re: [PATCH 1/4] omap: mailbox: convert rwlocks to spinlock
Date: Mon, 10 May 2010 12:12:52 +0200

> On Mon, May 10, 2010 at 12:16 PM, Hiroshi DOYU <Hiroshi.DOYU at nokia.com> wrote:
>> From: Ohad Ben-Cohen <ohad at wizery.com>
>>
>> rwlocks are slower and have potential starvation issues
>> therefore spinlocks are generally preferred.
>>
>> see also: http://lwn.net/Articles/364583/
>>
>> Signed-off-by: Ohad Ben-Cohen <ohad at wizery.com>
>> Signed-off-by: Kanigeri Hari <h-kanigeri2 at ti.com>
>> Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU at nokia.com>
> 
> There's no cover letter, so I'll comment here.
> 
> What about these patches?
> http://article.gmane.org/gmane.linux.ports.arm.omap/31208

OK, I'll incorporate them and send patches again.

> 
> They are needed for dspbridge... AFAIK the only real user for omap mailbox.
> 
> -- 
> Felipe Contreras



More information about the linux-arm-kernel mailing list