linux-kernel - Re: x86: spinlocks: define dummy __raw_spin_is

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Date:	Sun, 8 Feb 2009 23:51:49 +0000
From:	Ralf Baechle <ralf@...ux-mips.org>
To:	Kyle McMartin <kyle@...radead.org>
Cc:	torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org,
	mingo@...hat.com
Subject: Re: x86: spinlocks: define dummy __raw_spin_is_contended

On Sun, Feb 08, 2009 at 01:03:41PM -0500, Kyle McMartin wrote:

> From: Kyle McMartin <kyle@...hat.com>
> 
> Architectures other than mips and x86 are not using ticket
> spinlocks. Therefore, the contention on the lock is meaningless,
> since there is nobody known to be waiting on it (arguably /fairly/
> unfair locks) Dummy it out to return 0 on other architectures.
> 
> Signed-off-by: Kyle McMartin <kyle@...hat.com>

Looks good.

Acked-by: Ralf Baechle <ralf@...ux-mips.org>

  Ralf
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