On Fri, Feb 21, 2003 at 11:53:53AM +0100, Arjan van de Ven wrote: > On Fri, 2003-02-21 at 11:45, Andi Kleen wrote: > > 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. > > weird question: does ksoftirqd run with preempt disabled ? Yes, it runs with bh counters increased (= softirq context) -Andi - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
