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

[Stefano Stabellini]

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 

Reviewed-by: Stefano Stabellini 


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

[Julien Grall]

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 

---

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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