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Re: timers in net/ipv6

To: kuznet@xxxxxxxxxxxxx
Subject: Re: timers in net/ipv6
From: Andi Kleen <ak@xxxxxx>
Date: Thu, 8 Jun 2000 21:38:12 +0200
Cc: Andi Kleen <ak@xxxxxx>, andrewm@xxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <200006081805.WAA09761@ms2.inr.ac.ru>; from kuznet@ms2.inr.ac.ru on Thu, Jun 08, 2000 at 08:05:08PM +0200
References: <20000608194423.A18631@fred.muc.de> <200006081805.WAA09761@ms2.inr.ac.ru>
Sender: owner-netdev@xxxxxxxxxxx
On Thu, Jun 08, 2000 at 08:05:08PM +0200, kuznet@xxxxxxxxxxxxx wrote:
> Hello!
> 
> > We no longer have bh protection against timers, so a timer may run
> 
> softirqs are not nested. Apparently, you mean scheme,
> which we discussed year ago. It was dropped because of utter
> complexity, only one softirq per cpu is held now.

Ok, just hope then that there is never an exception during softirq
execution (like spurious interrupt or NMI handled by an debugger) --
ret_from_exception calls the softirq.




-Andi

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