Messages in this thread | | | Date | Sat, 20 Feb 2010 16:00:46 +0800 | From | Cong Wang <> | Subject | Re: [net-next PATCH v4 3/3] net: reserve ports for applications using fixed port numbers |
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Eric Dumazet wrote: > Le jeudi 18 février 2010 à 00:13 +0800, Cong Wang a écrit : > >> I don't think so, if you want to avoid race condition, you just need to >> write the reserved ports before any networking application starts, IOW, >> as early as possible during boot. >> > > Sure, but I was thinking retrieving the list of reserved port by a > database query, using network :) > > Anyway, I just feel your argument is not applicable. > > Our kernel is capable of doing an intersection for us, we dont need > to forbid user to mark a port as 'reserved' if this port is already > blacklisted by another mechanism (for example, if this port is already > in use) >
Oh, I see your points.
But this still could make people confused, like me. I think we'd better document this.
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