[PATCH] powerpc: kdump: Reserve the existing TCE mappings left by the first kernel
Olof Johansson
olof at lixom.net
Sun Jun 25 09:23:50 EST 2006
On Thu, Jun 22, 2006 at 11:35:10PM -0700, Haren Myneni wrote:
> Paul, Olof,
>
> tce_union got removed in powerpc.git tree. Hence reposting the patch
> created against this tree. This patch is implemented based on Olof's
> suggestion of reserving TCE entries and use only available ones in the
> kdump boot and tested on P5, P4, JS20 and JS21 machines.
>
> If you are OK with this patch, please send it to upstream.
Looks good to me. Other platforms can add get_tce pointers later as
needed.
> sending to remote machine). Hence, this patch will make sure that
> minimum of 2048 entries will be available such that kdump boot could be
> successful in some cases.
Heh, I was pretty sure 10 was way too little. Good to see a number.
> Signed-off-by: Haren Myneni <haren at us.ibm.com>
Acked-by: Olof Johansson <olof at lixom.net>
-Olof
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