linux-kernel - Re: start_kernel(): bug: interrupts were enabled early

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Message-ID: <19680.1270076318@redhat.com>
Date:	Wed, 31 Mar 2010 23:58:38 +0100
From:	David Howells <dhowells@...hat.com>
To:	Russell King <rmk@....linux.org.uk>
Cc:	dhowells@...hat.com, Yinghai Lu <yinghai@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rabin Vincent <rabin@....in>,
	lkml <linux-kernel@...r.kernel.org>, hpa@...or.com,
	penberg@...helsinki.fi, cl@...ux-foundation.org,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linux-arch@...r.kernel.org
Subject: Re: start_kernel(): bug: interrupts were enabled early

Russell King <rmk@....linux.org.uk> wrote:

> We use the standard generic kernel implementation.  Is x86 different? ;)

The optimised fast paths used on x86 rwsems don't disable interrupts.

David
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