Re: [Qemu-devel] [PATCH v8 2/9] memory: provide IOMMU_NOTIFIER_FOREACH macro

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Apr 06, 2017 at 03:08:37PM +0800, Peter Xu wrote:
> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> Signed-off-by: Peter Xu <peterx@redhat.com>

Reviewed-by: Michael S. Tsirkin <mst@redhat.com>

> ---
>  include/exec/memory.h | 3 +++
>  memory.c              | 4 ++--
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/include/exec/memory.h b/include/exec/memory.h
> index 0840c89..07e43da 100644
> --- a/include/exec/memory.h
> +++ b/include/exec/memory.h
> @@ -239,6 +239,9 @@ struct MemoryRegion {
>      IOMMUNotifierFlag iommu_notify_flags;
>  };
>  
> +#define IOMMU_NOTIFIER_FOREACH(n, mr) \
> +    QLIST_FOREACH((n), &(mr)->iommu_notify, node)
> +
>  /**
>   * MemoryListener: callbacks structure for updates to the physical memory map
>   *
> diff --git a/memory.c b/memory.c
> index 75ac595..7496b3d 100644
> --- a/memory.c
> +++ b/memory.c
> @@ -1583,7 +1583,7 @@ static void memory_region_update_iommu_notify_flags(MemoryRegion *mr)
>      IOMMUNotifierFlag flags = IOMMU_NOTIFIER_NONE;
>      IOMMUNotifier *iommu_notifier;
>  
> -    QLIST_FOREACH(iommu_notifier, &mr->iommu_notify, node) {
> +    IOMMU_NOTIFIER_FOREACH(iommu_notifier, mr) {
>          flags |= iommu_notifier->notifier_flags;
>      }
>  
> @@ -1667,7 +1667,7 @@ void memory_region_notify_iommu(MemoryRegion *mr,
>          request_flags = IOMMU_NOTIFIER_UNMAP;
>      }
>  
> -    QLIST_FOREACH(iommu_notifier, &mr->iommu_notify, node) {
> +    IOMMU_NOTIFIER_FOREACH(iommu_notifier, mr) {
>          /*
>           * Skip the notification if the notification does not overlap
>           * with registered range.
> -- 
> 2.7.4