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Re: custom ide driver causes "Badness in smp_call_function"

To: Bryan Althouse <bryan.althouse@3phoenix.com>
Subject: Re: custom ide driver causes "Badness in smp_call_function"
From: Ralf Baechle DL5RB <ralf@linux-mips.org>
Date: Thu, 1 Sep 2005 17:52:35 +0100
Cc: linux-mips@linux-mips.org
In-reply-to: <20050901161023Z8225398-3678+8096@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20050826141047.GA8777@linux-mips.org> <20050901161023Z8225398-3678+8096@linux-mips.org>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.4.2.1i
On Thu, Sep 01, 2005 at 12:15:31PM -0400, Bryan Althouse wrote:

> I've done more testing with your patch.  When I use it with my non-SMP
> kernel, disk access will cause a panic with a cache error message.  Is this
> patch only intended for SMP, or is this a legitimate problem?

There is a real problem but it only hits on SMP.

(The implementation is a hack though, it makes assumptions about the IDE
code's internal workings)

  Ralf

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