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Re: TLB on R10k

To: Stanislaw Skowronek <sskowron@ET.PUT.Poznan.PL>
Subject: Re: TLB on R10k
From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 27 Apr 2004 21:28:28 +0200
Cc: linux-mips@linux-mips.org
In-reply-to: <Pine.GSO.4.10.10404272004460.14972-100000@helios.et.put.poznan.pl>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <Pine.GSO.4.10.10404272004460.14972-100000@helios.et.put.poznan.pl>
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On Tue, Apr 27, 2004 at 08:07:23PM +0200, Stanislaw Skowronek wrote:

> Why, in tlb-andes.c, all exception handlers are prefixed with an
> ampersand (&) when copying them to main memory, only the r10k fill handler
> isn't? I'm getting a blackhole-style crash (no messages, no panic,
> interrupts dead as a doornail, nobody knows what is happening) as soon as
> I try to jump to usermode.

Have you verified that the UX bit is set correctly by your kernel?  BEV
also plays a role but since you survive BogoMIPS it should be right.

  Ralf

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