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Date: Wed, 30 May 2018 12:03:19 +0200 From: Eugene Syromiatnikov <esyr@...hat.com> To: Song Liu <liu.song.a23@...il.com> Cc: netdev@...r.kernel.org, open list <linux-kernel@...r.kernel.org>, Martin KaFai Lau <kafai@...com>, Daniel Borkmann <daniel@...earbox.net>, Alexei Starovoitov <ast@...nel.org>, "David S. Miller" <davem@...emloft.net>, Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>, Lawrence Brakmo <brakmo@...com>, Andrey Ignatov <rdna@...com>, Jakub Kicinski <jakub.kicinski@...ronome.com>, John Fastabend <john.fastabend@...il.com>, "Dmitry V. Levin" <ldv@...linux.org> Subject: Re: [PATCH bpf 2/2] bpf: enforce usage of __aligned_u64 in the UAPI header On Tue, May 29, 2018 at 10:35:09AM -0700, Song Liu wrote: > I think these changes are not necessary. Is it a general guidance to > only use 64-bit aligned > variables in UAPI headers? Not really, but it allows avoiding most alignment issues like the one mentioned in the previous patch and in the referenced RDMA patch.
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