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Re: oops in futex_init()

To: Manuel Lauss <mano@roarinelk.homelinux.net>
Subject: Re: oops in futex_init()
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 30 Apr 2009 13:51:01 +0200
Cc: "Kevin D. Kissell" <kevink@paralogos.com>, Linux-MIPS <linux-mips@linux-mips.org>
In-reply-to: <20090430112243.GA2164@roarinelk.homelinux.net>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20090429060317.GB15627@linux-mips.org> <20090429082556.GA22844@roarinelk.homelinux.net> <20090429083349.GB26289@linux-mips.org> <20090429114042.GA24576@roarinelk.homelinux.net> <20090429141411.GA25905@roarinelk.homelinux.net> <20090429143523.GA10242@linux-mips.org> <20090429153221.GA26387@roarinelk.homelinux.net> <20090430104130.GA1878@roarinelk.homelinux.net> <49F98826.3030708@paralogos.com> <20090430112243.GA2164@roarinelk.homelinux.net>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Mutt/1.5.18 (2008-05-17)
On Thu, Apr 30, 2009 at 01:22:43PM +0200, Manuel Lauss wrote:

> uncached is default for plain ioremap(), says io.h:
> 
> #define ioremap(offset, size)                                           \
>         __ioremap_mode((offset), (size), _CACHE_UNCACHED)
> 
> Apparently one can ioremap everything on mips except RAM in use at
> 0x8xxxxxxxx.

Yes, it's GIGO - garbage in, garbage out.

  Ralf

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