From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Konstantin Baydarov <kbaidarov@ru.mvista.com>
Cc: Kumar Gala <galak@kernel.crashing.org>,
linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [PowerPC] Support For Initrd Loaded Into Highmem
Date: Mon, 18 May 2009 07:55:03 +1000 [thread overview]
Message-ID: <1242597303.18075.0.camel@pasglop> (raw)
In-Reply-To: <4A103EDF.7050108@ru.mvista.com>
> Also if initrd is in the highmem, uBoot adds initrd highmem region into the
> initial_boot_params->off_mem_rsvmap. This leads to kernel crash, because kernel
> assumes that regions from the initial_boot_params->off_mem_rsvmap are in the
> lowmem. So patch skips initrd highmem region when kernel reserves lowmem regions
> in early_reserve_mem().
>
> This patch is for linux-2.6.30-rc6.
Fixing the reserve map isn't the right approach.
We should be able to have anything in there. It's the kernel that should
be more careful at coping if it contains things that aren't in lowmem.
Cheers,
Ben.
prev parent reply other threads:[~2009-05-17 21:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-17 16:44 [PATCH] [PowerPC] Support For Initrd Loaded Into Highmem Konstantin Baydarov
2009-05-17 13:34 ` Wolfgang Denk
2009-05-17 21:56 ` Benjamin Herrenschmidt
2009-05-17 21:55 ` Benjamin Herrenschmidt [this message]
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