From: David Miller <davem@davemloft.net>
To: rdreier@cisco.com
Cc: aluno3@poczta.onet.pl, general@lists.openfabrics.org,
netdev@vger.kernel.org
Subject: Re: [ofa-general] NetEffect, iw_nes and kernel warning
Date: Tue, 27 Jan 2009 16:07:50 -0800 (PST) [thread overview]
Message-ID: <20090127.160750.120120703.davem@davemloft.net> (raw)
In-Reply-To: <adawscgwbkj.fsf@cisco.com>
From: Roland Dreier <rdreier@cisco.com>
Date: Tue, 27 Jan 2009 15:53:16 -0800
> but actually I still don't see how it's safe for a net driver to
> call skb_linearize() from its transmit routine, since there's a
> chance that that will unconditionally enable BHs?
It's simply not allowed.
dev_queue_xmit() at a higher level can do __skb_linearize()
because it does so before doing the rcu_read_lock_bh().
next prev parent reply other threads:[~2009-01-28 0:07 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <497EF9AC.70104@poczta.onet.pl>
2009-01-27 23:53 ` [ofa-general] NetEffect, iw_nes and kernel warning Roland Dreier
2009-01-28 0:07 ` David Miller [this message]
2009-01-28 0:17 ` Stephen Hemminger
2009-01-28 16:36 ` Tung, Chien Tin
2009-01-28 18:05 ` Roland Dreier
2009-01-28 19:05 ` Stephen Hemminger
2009-01-28 21:52 ` Roland Dreier
2009-01-30 6:57 ` Herbert Xu
2009-01-30 8:22 ` Eilon Greenstein
2009-01-30 16:25 ` Stephen Hemminger
2009-01-30 17:35 ` Roland Dreier
2009-01-30 21:51 ` David Miller
2009-01-31 3:54 ` Roland Dreier
2009-04-21 9:09 ` Lennert Buytenhek
2009-04-21 12:49 ` Herbert Xu
2009-04-21 12:50 ` Herbert Xu
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=20090127.160750.120120703.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=aluno3@poczta.onet.pl \
--cc=general@lists.openfabrics.org \
--cc=netdev@vger.kernel.org \
--cc=rdreier@cisco.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).