[Xen-devel] Re: [Qemu-devel] [PATCH V7 10/15] configure: Always use 64bits target physical addresses with xen enabled.

[Alexander Graf <agraf@xxxxxxx>]

On 23.11.2010, at 20:51, Anthony.Perard@xxxxxxxxxx wrote:

> From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> 
> With MapCache, we can handle a 64b target, even with a 32b host/qemu.
> So, we need to have target_phys_addr_t to 64bits.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> ---
> configure |    3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/configure b/configure
> index 7625054..7688b20 100755
> --- a/configure
> +++ b/configure
> @@ -2950,6 +2950,9 @@ case "$target_arch2" in
>     exit 1
>   ;;
> esac
> +if test "$xen" = yes; then
> +  target_phys_bits=64
> +fi

This makes all targets be 64-bit target_phys when xen mode is enabled for x86 
only, right? It should be restricted to x86.

Alex


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