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Date: Tue, 22 May 2007 08:48:04 +0100 From: Keir Fraser <keir@...source.com> To: Kieran Mansley <kmansley@...arflare.com>, Stephen Hemminger <shemminger@...ux-foundation.org> CC: <muli@...ibm.com>, <netdev@...r.kernel.org>, <xen-devel@...ts.xensource.com>, <herbert@...dor.apana.org.au> Subject: Re: [Xen-devel] Re: [PATCH 3/4] [Net] Support Xen accelerated network plugin modules On 22/5/07 08:28, "Kieran Mansley" <kmansley@...arflare.com> wrote: > On Tue, 2007-05-22 at 08:15 +0100, Kieran Mansley wrote: >> RCU on its own wouldn't >> prevent the accelerated plugin being unloaded while netfront was using >> one of the hooks. > > Hmm, actually I think it could be used to do that. I'll take a look. Eagerly zap the function pointers, then wait one RCU period so every CPU goes through a quiescent point before unloading the module? -- Keir - 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
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