Messages in this thread | | | Date | Fri, 21 Feb 2003 11:45:41 +0100 | From | Andi Kleen <> | Subject | Re: Longstanding networking / SMP issue? (duplextest) |
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On Fri, Feb 21, 2003 at 02:11:25AM -0800, David S. Miller wrote: > From: Andi Kleen <ak@suse.de> > Date: Fri, 21 Feb 2003 11:22:58 +0100 > > Doesn't work on preemptive, does it? How do you keep it on a single CPU > when it runs in process context ? > > What runs in process context? ICMP responses are generated from BH's.
hmm, i was thinking about tcp process context, but you're right it can only generate icmps for dead ports and that happens while still in tcp_v4_rcv().
at least ipip.c will send icmps from process context (ipip_tunnel_xmit)
netfilter will probably do too.
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