On Thu, Sep 02, 2021 at 03:14:30PM +0200, David Hildenbrand wrote:
> diff --git a/migration/migration.c b/migration/migration.c
> index bb909781b7..ae97c2c461 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -391,7 +391,7 @@ int 
> migrate_send_rp_message_req_pages(MigrationIncomingState *mis,
>  int migrate_send_rp_req_pages(MigrationIncomingState *mis,
>                                RAMBlock *rb, ram_addr_t start, uint64_t haddr)
>  {
> -    void *aligned = (void *)(uintptr_t)(haddr & (-qemu_ram_pagesize(rb)));
> +    void *aligned = (void *)QEMU_ALIGN_DOWN(haddr, qemu_ram_pagesize(rb));

Is uintptr_t still needed?  I thought it would generate a warning otherwise but
not sure.

Also, maybe ROUND_DOWN() is better?  QEMU_ALIGN_DOWN is the slow version for
arbitrary numbers.

-- 
Peter Xu


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