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Re: [PATCH] Fix WARNING: at kernel/smp.c:290

To: Thomas Bogendoerfer <>
Subject: Re: [PATCH] Fix WARNING: at kernel/smp.c:290
From: Ralf Baechle <>
Date: Tue, 26 Aug 2008 13:33:10 +0100
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Mutt/1.5.18 (2008-05-17)
On Mon, Aug 04, 2008 at 08:53:57PM +0200, Thomas Bogendoerfer wrote:

> Subject: [PATCH] Fix WARNING: at kernel/smp.c:290 
> trap_init issues flush_icache_range(), which uses ipi functions to
> get icache flushing done on all cpus. But this is done before interrupts
> are enabled and caused WARN_ON messages. This changeset introduces
> a new local_flush_icache_range() and uses it before interrupts (and
> additional CPUs) are enabled to avoid this problem.

Thanks, applied.


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