From: Andi Kleen <andi@firstfloor.org>
To: Kieran Mansley <kmansley@solarflare.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>,
xen-devel@lists.xensource.com, netdev@vger.kernel.org,
muli@il.ibm.com, herbert@gondor.apana.org.au
Subject: Re: [PATCH 3/4] [Net] Support Xen accelerated network plugin modules
Date: 25 May 2007 08:53:12 +0200 [thread overview]
Message-ID: <p73k5uxcs2v.fsf@bingen.suse.de> (raw)
In-Reply-To: <1179818108.4145.18.camel@moonstone.uk.level5networks.com>
Kieran Mansley <kmansley@solarflare.com> writes:
> RCU on its own wouldn't
> prevent the accelerated plugin being unloaded while netfront was using
> one of the hooks.
Note that module unload does always does a stop_machine() which is much
stronger than normal RCU. As long as you don't sleep and cannot be preemptable
it should be always safe.
-Andi
next prev parent reply other threads:[~2007-05-25 5:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-18 13:16 [PATCH 3/4] [Net] Support Xen accelerated network plugin modules Kieran Mansley
2007-05-21 17:50 ` Stephen Hemminger
2007-05-22 7:00 ` Kieran Mansley
2007-05-21 17:52 ` Stephen Hemminger
2007-05-22 7:15 ` Kieran Mansley
2007-05-22 7:28 ` Kieran Mansley
2007-05-22 7:48 ` [Xen-devel] " Keir Fraser
2007-05-22 7:59 ` Kieran Mansley
2007-05-22 12:44 ` Kieran Mansley
2007-05-22 14:07 ` Keir Fraser
2007-05-22 14:20 ` Kieran Mansley
2007-05-22 15:05 ` Stephen Hemminger
2007-05-22 16:06 ` Kieran Mansley
2007-05-25 6:53 ` Andi Kleen [this message]
2007-05-21 17:54 ` Stephen Hemminger
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