linux-kernel - Re: [patch 01/52] kernel: add bl

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Date:	Thu, 24 Jun 2010 18:01:53 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Nick Piggin <npiggin@...e.de>
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	John Stultz <johnstul@...ibm.com>,
	Frank Mayhar <fmayhar@...gle.com>
Subject: Re: [patch 01/52] kernel: add bl_list

Le vendredi 25 juin 2010 à 00:42 +1000, Nick Piggin a écrit :

> Sure, if you have an interest in using it, it will be trivial to send
> upstream. Should we merge it before any users appear? I don't know...
> 

I'll work on using this for ip route cache, as you suggested.

BTW, I think we could care about this 0 bit only if it could possibly
set, ie :

#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK)

since bit_spin_lock() wont set it anyway if CONFIG_SMP=n and
CONFIG_DEBUG_SPINLOCK=n



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