On Tue, Jun 29, 2004 at 02:13:38PM +0100, David Malone wrote: > It seems to me that RANDOM_IP_ID might be better as a sysctl rather > than a kernel option. Would anyone mind if I changed this?
Wouldn't this cause a performance penality? IIRC htons() is currently a macro which is essentially a no-op, while ip_randomid() is a function call. Of course we can convert the call to a uniform hook-alike mechainism, however, given the frequency the function is called, this should be carefully considered. In addition, what's the apparant benefit making it a sysctl rather than being a kernel option? I think there is rarely a sysadmin to enable and disable this runtime. BTW. For security considerations I'd like to see if this is made default in GENERIC kernels :-) Cheers, -- Xin LI <delphij frontfree net> http://www.delphij.net/ See complete headers for GPG key and other information.
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