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From: Florian Westphal <fw@strlen.de>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: Florian Westphal <fw@strlen.de>,
	Pablo Neira Ayuso <pablo@netfilter.org>,
	netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next 3/5] nft_set_pipapo: Prepare for vectorised implementation: alignment
Date: Mon, 24 Feb 2020 00:15:28 +0100	[thread overview]
Message-ID: <20200223231528.GD19559@breakpoint.cc> (raw)
In-Reply-To: <20200224000429.7997696b@redhat.com>

Stefano Brivio <sbrivio@redhat.com> wrote:
> '*scratch' is actually needed at lookup time for implementations that
> don't need stricter alignment than natural one, but I could probably
> use some macro trickery and "move" it as needed.

Ah I see, don't bother then for now.

> I'm not sure how to deal with fields after f[0], syntactically. Do you
> have some, er, pointers?

Don't bother, its very ugly.

Base hook chains do this, it involves a comment at the tail of the
struct, see struct nf_hook_entries in include/linux/netfilter.h.

  reply	other threads:[~2020-02-23 23:15 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-23 21:23 [PATCH nf-next 0/5] nft_set_pipapo: Performance improvements: Season 1 Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 1/5] nft_set_pipapo: Generalise group size for buckets Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 2/5] nft_set_pipapo: Add support for 8-bit lookup groups and dynamic switch Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 3/5] nft_set_pipapo: Prepare for vectorised implementation: alignment Stefano Brivio
2020-02-23 22:14   ` Florian Westphal
2020-02-23 23:04     ` Stefano Brivio
2020-02-23 23:15       ` Florian Westphal [this message]
2020-03-05 20:35     ` Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 4/5] nft_set_pipapo: Prepare for vectorised implementation: helpers Stefano Brivio
2020-02-23 21:23 ` [PATCH nf-next 5/5] nft_set_pipapo: Introduce AVX2-based lookup implementation Stefano Brivio
2020-02-23 22:16   ` Florian Westphal

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