On 23/09/16 14:51, Alexey Kardashevskiy wrote:
> The moderm kernel on powernv platform cannot possibly boot with values
> less than 12 as the default DMA window of 2GB requires
> (2<<30)/4096 TCEs which is 4MB of contiguous memory, log2(4M) == 22
> so anything less than 12 won't work.
>
>
The moderm kernel on powernv platform cannot possibly boot with values
less than 12 as the default DMA window of 2GB requires
(2<<30)/4096 TCEs which is 4MB of contiguous memory, log2(4M) == 22
so anything less than 12 won't work.
Signed-off-by: Alexey Kardashevskiy
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