Re: [PATCH net-next v4 3/3] eventpoll: Add epoll ioctl for epoll_params
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2024-01-31 02:08:36
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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