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Re: [PATCH] Make interrupt handler works for all cases

To: Franck Bui-Huu <vagabon.xyz@gmail.com>
Subject: Re: [PATCH] Make interrupt handler works for all cases
From: Thiemo Seufer <ths@networkno.de>
Date: Tue, 2 May 2006 11:44:41 +0100
Cc: Ralf Baechle <ralf@linux-mips.org>, linux-mips <linux-mips@linux-mips.org>
In-reply-to: <cda58cb80605020330hfd0352ds11f7f80603092cde@mail.gmail.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <cda58cb80605020055r2597bf3ds9fb380aab8cbf7b3@mail.gmail.com> <20060502094123.GB4301@linux-mips.org> <cda58cb80605020330hfd0352ds11f7f80603092cde@mail.gmail.com>
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Franck Bui-Huu wrote:
> 2006/5/2, Ralf Baechle <ralf@linux-mips.org>:
> >On Tue, May 02, 2006 at 09:55:51AM +0200, Franck Bui-Huu wrote:
> >
> >> specially when the kernel is mapped.
> >
> >At which time you're on very fragile ice because TLB instructions should
> >better be executed from an unmapped address ...
> >
> 
> well TLB entry used by the kernel is wired, so it should work fined,
> shouldn't it ?

The architecture spec doesn't guarantee it will.


Thiemo

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