Re: Longstanding networking / SMP issue? (duplextest)

[Andi Kleen]

On Fri, Feb 21, 2003 at 02:11:25AM -0800, David S. Miller wrote:
>    From: Andi Kleen <[e-mail]>
>    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