Re: [Xen-devel] [PATCH v2 1/2] xen/arm: Extend the number of memory banks supported

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

On Wed, 14 Feb 2018, Julien Grall wrote:
> When booting using Grub on Thunder-X, the number of memory available is
> greater than 64. Bump the number to 128, so we can take advantage of all
> the memory.
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxx>

Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> ---
> 
>     Note that I wasn't able to boot without this patch, because EFI stub
>     is printing an error when the number of region exceed 64. This will
>     result to fragment in bit more the memory (sounds like print
>     allocate memory) and will fail to get the memory on retry.
> ---
>  xen/include/asm-arm/setup.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/xen/include/asm-arm/setup.h b/xen/include/asm-arm/setup.h
> index 7ff2c34dab..0cc3330807 100644
> --- a/xen/include/asm-arm/setup.h
> +++ b/xen/include/asm-arm/setup.h
> @@ -6,7 +6,7 @@
>  #define MIN_FDT_ALIGN 8
>  #define MAX_FDT_SIZE SZ_2M
>  
> -#define NR_MEM_BANKS 64
> +#define NR_MEM_BANKS 128
>  
>  #define MAX_MODULES 5 /* Current maximum useful modules */
>  
> -- 
> 2.11.0
> 

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