On Wed, Aug 02, 2017 at 03:18:58AM -0700, Eric Dumazet wrote:
> What we can do instead is to force an alignment on 4*sizeof(void *).
> (32 bytes on 64bit, 16 bytes on 32bit arches)
>
> Maybe something like this :
>
> diff --git a/include/linux/smp.h b/include/linux/smp.h
> index
> 68123c1fe54918c051292eb5ba3427df09f31c2f..f7072bf173c5456e38e958d6af85a4793bced96e
> 100644
> --- a/include/linux/smp.h
> +++ b/include/linux/smp.h
> @@ -19,7 +19,7 @@ struct call_single_data {
> smp_call_func_t func;
> void *info;
> unsigned int flags;
> -};
> +} __attribute__((aligned(4 * sizeof(void *))));
Agreed.
