[Xen-devel] Re: [PATCH 3/5] cpu-common: Have a ram_addr_t of uint64 with Xen.

[Alexander Graf <agraf@xxxxxxx>]

On 15.07.2011, at 16:32, Anthony Perard wrote:

> In Xen case, memory can be bigger than the host memory. that mean a
> 32bits host (and QEMU) should be able to handle a RAM address of 64bits.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
> cpu-common.h |    8 ++++++++
> exec.c       |    9 +++++----
> xen-all.c    |    2 +-
> 3 files changed, 14 insertions(+), 5 deletions(-)
> 
> diff --git a/cpu-common.h b/cpu-common.h
> index e4fcded..e1b40fe 100644
> --- a/cpu-common.h
> +++ b/cpu-common.h
> @@ -27,7 +27,15 @@ enum device_endian {
> };
> 
> /* address in the RAM (different from a physical address) */
> +#ifndef CONFIG_XEN_BACKEND
> typedef unsigned long ram_addr_t;

Do we really want to depend this on _BACKEND? ram_addr_t is target dependent, 
no?


Alex


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