netdev - Re: [RFC] Possible data stall with RPS and CPU hotplug

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] [day] [month] [year] [list]

Message-ID: <1423182013.31870.96.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 05 Feb 2015 16:20:13 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	subashab@...eaurora.org
Cc:	netdev@...r.kernel.org, therbert@...gle.com
Subject: Re: [RFC] Possible data stall with RPS and CPU hotplug

On Thu, 2015-02-05 at 23:32 +0000, subashab@...eaurora.org wrote:
> Thanks for the suggestion. It appears to be an oversight on my part that
> the device where the crash was reported did not have commit
> ac64da0b83d82abe62f78b3d0e21cca31aea24fa ("net: rps: fix cpu unplug").

I tried very hard to crash the net-next kernel and I couldn't.

(I got harmless "NOHZ: local_softirq_pending 08" messages only)

But maybe your arch behaves differently in cpu hotplug territory.


--
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