Re: [Xen-devel] [PATCH] xen: arm: ignore zero sized memory banks

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Mon, 30 Jun 2014, Ian Campbell wrote:
> At least one platform (xgene) has a memory node which contains 4
> banks, 3 of which are all zeroes.
> 
> Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

>  xen/common/device_tree.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c
> index f0b17a3..556061a 100644
> --- a/xen/common/device_tree.c
> +++ b/xen/common/device_tree.c
> @@ -322,6 +322,8 @@ static void __init process_memory_node(const void *fdt, 
> int node,
>      for ( i = 0; i < banks && early_info.mem.nr_banks < NR_MEM_BANKS; i++ )
>      {
>          device_tree_get_reg(&cell, address_cells, size_cells, &start, &size);
> +        if ( !size )
> +            continue;
>          early_info.mem.bank[early_info.mem.nr_banks].start = start;
>          early_info.mem.bank[early_info.mem.nr_banks].size = size;
>          early_info.mem.nr_banks++;
> -- 
> 1.7.10.4
> 

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