On Sun, Apr 07, 2002 at 08:18:16PM +0100, Alan Cox wrote:
> How about "there are no correct users". Its basically impossible to patch
> the syscall table safely anyway. As Arjan pointed out there are races
> against module unload that on SMP are basically incurable.
can_unload == FALSE
> Doing the right hooks makes the AFS code portable which is a big win.
Definitely. I'm not for a minute arguing that the nfsservctl-style thing
is not how it should be done for those cases.
I'll genuinely take on board advice on how I can profile all the system
via x86 perf counters efficiently without having to patch the kernel.
The old way just uses sys_call_table. So what do I do now ?
I've actually *tried* doing the /proc-reading thing. It's very low
resolution and/or too slow.
regards
john
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