Re: [Qemu-devel] [PATCH 1/2] PPC: e500: increase DTC_LOAD_PAD

[Alexander Graf]

On 23.08.2012, at 02:55, Scott Wood wrote:

> An allowance of 5 MiB for BSS is not enough for Linux kernels with certain
> debug options enabled (not sure exactly which one caused it, but I'd guess
> lockdep).  The kernel I ran into this with had a BSS of around 6.4 MB.
> 
> Unfortunately, uImage does not give us enough information to determine the
> actual BSS size.  Increase the allowance to 18 MiB to give us plenty of
> room.  Eventually this should be more intelligent, possibly packing
> initrd+dtb at the end of guest RAM.
> 
> Signed-off-by: Scott Wood <address@hidden>

Thanks, applied to ppc-next.


Alex

> ---
> hw/ppc/e500.c |    2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
> index 6f0de6d..1ccfd7c 100644
> --- a/hw/ppc/e500.c
> +++ b/hw/ppc/e500.c
> @@ -36,7 +36,7 @@
> 
> #define BINARY_DEVICE_TREE_FILE    "mpc8544ds.dtb"
> #define UIMAGE_LOAD_BASE           0
> -#define DTC_LOAD_PAD               0x500000
> +#define DTC_LOAD_PAD               0x1800000
> #define DTC_PAD_MASK               0xFFFFF
> #define INITRD_LOAD_PAD            0x2000000
> #define INITRD_PAD_MASK            0xFFFFFF
> -- 
> 1.7.9.5
> 
>