netdev - Re: BUG: using smp_processor_id() in preemptible [00000000] code: avahi-daemon: caller is netif

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 15 Apr 2010 10:58:26 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	xiaosuo@...il.com, therbert@...gle.com, eparis@...hat.com,
	netdev@...r.kernel.org
Subject: Re: BUG: using smp_processor_id() in preemptible [00000000] code:
 avahi-daemon: caller is netif_rx

Le jeudi 15 avril 2010 à 01:33 -0700, David Miller a écrit :

> Yes, this looks more reasonable.  Eric if you agree please (re-)submit
> this formally, I must have missed this somehow, sorry.
> 
> And this is a bug fix in any kernel, not just one's that have RPS
> patches applied.
> 
> If we are not called from some interrupt context, there is no sure
> trigger to make sure software interrupts will be executed after the
> packet is queued locally.  netif_rx_ni() makes sure that any pending
> software interrupts will run in such cases.

Our mails crossed ;)

Yes I think it's more reasonable to fix it like this, I'll submit a
patch after fully testing it :)



--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html