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SubjectRe: Longstanding networking / SMP issue? (duplextest)
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.

-Andi
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