From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: LEROY christophe <christophe.leroy@c-s.fr>
Cc: linuxppc-dev@lists.ozlabs.org
Subject: Re: [MPC8xx] Initial MMU too low
Date: Sun, 31 Oct 2010 07:47:28 +1100 [thread overview]
Message-ID: <1288471648.7329.5.camel@pasglop> (raw)
In-Reply-To: <4CCC06F8.3020506@c-s.fr>
On Sat, 2010-10-30 at 13:52 +0200, LEROY christophe wrote:
> Hello,
>
> When I build a kernel with DEBUG_LOCK_ALLOC set, I get a kernel which
> has __bss_stop above the C0800000 limit, and then I get a bad page
> exception during the zeroize of the __bss at startup, because the
> initial MMU only maps the first 8Mbytes.
>
> What can I do to fix that ?
Not much... maybe pin more initial TLBs ?
Ben.
next prev parent reply other threads:[~2010-10-30 20:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-30 11:52 [MPC8xx] Initial MMU too low LEROY christophe
2010-10-30 20:47 ` Benjamin Herrenschmidt [this message]
2010-11-01 17:58 ` Scott Wood
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