From: Florian Westphal <fw@strlen.de>
To: Dmitry Safonov <dima@arista.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>,
Florian Westphal <fw@strlen.de>,
linux-kernel@vger.kernel.org,
"David S. Miller" <davem@davemloft.net>,
Herbert Xu <herbert@gondor.apana.org.au>,
Dmitry Safonov <0x7f454c46@gmail.com>,
netdev@vger.kernel.org, Andy Lutomirski <luto@kernel.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
"H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
John Stultz <john.stultz@linaro.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
Oleg Nesterov <oleg@redhat.com>, Stephen Boyd <sboyd@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org, linux-efi@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.
Subject: Re: [PATCH 00/18] xfrm: Add compat layer
Date: Fri, 27 Jul 2018 16:19:36 +0200 [thread overview]
Message-ID: <20180727141936.uze6ohordx7ue3no@breakpoint.cc> (raw)
In-Reply-To: <1532700173.2679.18.camel@arista.com>
Dmitry Safonov <dima@arista.com> wrote:
> 1. It will double copy netlink messages, making it O(n) instead of
> O(1), where n - is number of bind()s.. Probably we don't care much.
About those bind() patches, I don't understand why they are needed.
Why can't you just add the compat skb to the native skb when doing
the multicast call?
skb_shinfo(skb)->frag_list = compat_skb;
xfrm_nlmsg_multicast(net, skb, 0, ...
next prev parent reply other threads:[~2018-07-27 14:19 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-26 2:31 [PATCH 00/18] xfrm: Add compat layer Dmitry Safonov
2018-07-26 2:31 ` [PATCH 07/18] netlink: Pass groups pointer to .bind() Dmitry Safonov
2018-07-26 8:49 ` [PATCH 00/18] xfrm: Add compat layer Florian Westphal
2018-07-27 7:37 ` Steffen Klassert
2018-07-27 14:02 ` Dmitry Safonov
2018-07-27 14:19 ` Florian Westphal [this message]
2018-07-27 14:51 ` Dmitry Safonov
2018-07-27 16:48 ` Nathan Harold
2018-07-27 17:09 ` Andy Lutomirski
2018-07-28 16:26 ` Dmitry Safonov
2018-07-28 21:18 ` David Miller
2018-07-30 17:39 ` Dmitry Safonov
2018-07-30 19:43 ` Florian Westphal
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