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Date: Wed, 31 Mar 2010 13:52:20 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: Yinghai Lu <yinghai@kernel.org>
Cc: Rabin Vincent <rabin@rab.in>, lkml <linux-kernel@vger.kernel.org>,
       hpa@zytor.com, penberg@cs.helsinki.fi, cl@linux-foundation.org,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       linux-arch@vger.kernel.org
Subject: Re: start_kernel(): bug: interrupts were enabled early
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On Wed, 31 Mar 2010 13:47:23 -0700
Yinghai Lu <yinghai@kernel.org> wrote:

> spin_unlock_irq from arm is different from other archs?

No, spin_unlock_irq() unconditionally enables interrupts on all
architectures.