From: Sven Eckelmann <sven@narfation.org>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [maint] batman-adv: Modify neigh_list only with rcu-list functions
Date: Tue, 18 Oct 2016 13:32:57 +0200 [thread overview]
Message-ID: <1902845.IZAkOjBWIK@bentobox> (raw)
In-Reply-To: <20160929152258.8217-1-sven.eckelmann@open-mesh.com>
[-- Attachment #1: Type: text/plain, Size: 905 bytes --]
On Donnerstag, 29. September 2016 17:22:58 CEST Sven Eckelmann wrote:
> The batadv_hard_iface::neigh_list is accessed via rcu based primitives.
> Thus all operations done on it have to fulfill the requirements by RCU. So
> using non-RCU mechanisms like hlist_add_head is not allowed because it
> misses the barriers required to protect concurrent readers when accessing
> the data behind the pointer.
>
> Fixes: fed2826b490c ("batman-adv: add list of unique single hop neighbors
> per hard-interface") Signed-off-by: Sven Eckelmann
> <sven.eckelmann@open-mesh.com>
> Acked-by: Linus Lüssing <linus.luessing@c0d3.blue>
> ---
> net/batman-adv/originator.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Applied in 0e384ddb1995ae400766cf33b95537fb115a7800 [1].
Kind regards,
Sven
[1] https://git.open-mesh.org/batman-adv.git/commit/0e384ddb1995ae400766cf33b95537fb115a7800
[-- Attachment #2: This is a digitally signed message part. --]
[-- Type: application/pgp-signature, Size: 801 bytes --]
prev parent reply other threads:[~2016-10-18 11:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-29 15:22 [B.A.T.M.A.N.] [PATCH maint] batman-adv: Modify neigh_list only with rcu-list functions Sven Eckelmann
2016-10-06 3:14 ` Linus Lüssing
2016-10-18 11:32 ` Sven Eckelmann [this message]
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=1902845.IZAkOjBWIK@bentobox \
--to=sven@narfation.org \
--cc=b.a.t.m.a.n@lists.open-mesh.org \
/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.