On Fri, 3 May 2024, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.igles...@amd.com>
>
> For xen, when checking for the first RAM (xen_memory), use
> xen_mr_is_memory() rather than checking for a RAMBlock with
> offset 0.
>
> All Xen machines create xen_memory first so this has no
> functional change for existing machines.
>
> Signed-off-by: Edgar E. Iglesias <edgar.igles...@amd.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
> ---
> system/physmem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/system/physmem.c b/system/physmem.c
> index 5e6257ef65..b7847db1a2 100644
> --- a/system/physmem.c
> +++ b/system/physmem.c
> @@ -2229,7 +2229,7 @@ static void *qemu_ram_ptr_length(RAMBlock *block,
> ram_addr_t addr,
> * because we don't want to map the entire memory in QEMU.
> * In that case just map the requested area.
> */
> - if (block->offset == 0) {
> + if (xen_mr_is_memory(block->mr)) {
> return xen_map_cache(block->mr, block->offset + addr,
> len, lock, lock,
> is_write);
> --
> 2.40.1
>
