From: Oleg Nesterov <oleg@redhat.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
fbl@redhat.com, nhorman@redhat.com, davem@redhat.com
Subject: Re: [RFC] tcp: race in receive part
Date: Tue, 23 Jun 2009 21:44:49 +0200 [thread overview]
Message-ID: <20090623194449.GB28836@redhat.com> (raw)
In-Reply-To: <4A40AF2A.3050509@gmail.com>
(Off-topic)
On 06/23, Eric Dumazet wrote:
>
> The optimization we could do, defining
> a smp_mb_after_read_lock() that could be a nop on x86
Imho it would be nice to have smp_mb__before/after_lock.
insert_work(), __pte_alloc(), try_to_wake_up() could use it. Probably
something else.
Oleg.
next prev parent reply other threads:[~2009-06-23 22:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-18 10:27 [RFC] tcp: race in receive part Jiri Olsa
2009-06-18 14:06 ` Eric Dumazet
2009-06-23 9:12 ` Jiri Olsa
2009-06-23 10:32 ` Eric Dumazet
2009-06-23 19:44 ` Oleg Nesterov [this message]
2009-06-24 10:20 ` Jiri Olsa
2009-06-24 11:04 ` Eric Dumazet
2009-06-24 16:21 ` Jiri Olsa
2009-06-24 16:30 ` Oleg Nesterov
2009-06-24 16:41 ` Oleg Nesterov
2009-06-25 10:51 ` Eric Dumazet
2009-06-25 10:28 ` Eric Dumazet
2009-06-25 10:46 ` Eric Dumazet
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20090623194449.GB28836@redhat.com \
--to=oleg@redhat.com \
--cc=davem@redhat.com \
--cc=eric.dumazet@gmail.com \
--cc=fbl@redhat.com \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=netdev@vger.kernel.org \
--cc=nhorman@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.