Re: [PATCH net-next v4 3/3] eventpoll: Add epoll ioctl for epoll_params

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On Wed, Jan 31, 2024 at 01:47:33AM +0000, Joe Damato wrote:
> +struct epoll_params {
> +	__aligned_u64 busy_poll_usecs;
> +	__u16 busy_poll_budget;
> +
> +	/* pad the struct to a multiple of 64bits for alignment on all arches */
> +	__u8 __pad[6];

You HAVE to check this padding to be sure it is all 0, otherwise it can
never be used in the future for anything.

thanks,

greg k-h




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