On 03/09/2017 02:22 PM, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilb...@redhat.com>
>
> Provide a helper to say whether a RAMBlock was created as a
> shared mapping.
>
> Signed-off-by: Dr. David Alan Gilbert <dgilb...@redhat.com>
Reviewed-by: Halil Pasic <pa...@linux.vnet.ibm.com>
> ---
> exec.c | 5 +++++
> include/exec/cpu-common.h | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/exec.c b/exec.c
> index aabb035..1f25a12 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -2593,6 +2593,11 @@ MemoryRegion *get_system_io(void)
> return system_io;
> }
>
> +bool qemu_ram_is_shared(RAMBlock *rb)
> +{
> + return rb->flags & RAM_SHARED;
> +}
> +
> #endif /* !defined(CONFIG_USER_ONLY) */
>
> /* physical memory access (slow version, mainly for debug) */
> diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
> index b62f0d8..4d45a72 100644
> --- a/include/exec/cpu-common.h
> +++ b/include/exec/cpu-common.h
> @@ -69,6 +69,7 @@ RAMBlock *qemu_ram_block_from_host(void *ptr, bool
> round_offset,
> void qemu_ram_set_idstr(RAMBlock *block, const char *name, DeviceState *dev);
> void qemu_ram_unset_idstr(RAMBlock *block);
> const char *qemu_ram_get_idstr(RAMBlock *rb);
> +bool qemu_ram_is_shared(RAMBlock *rb);
> size_t qemu_ram_pagesize(RAMBlock *block);
> size_t qemu_ram_pagesize_largest(void);
>
