Messages in this thread | | | From | David Woodhouse <> | Subject | Re: sysconf (was Re: RLIM_INFINITY inconsistency between archs) | Date | Tue, 01 Aug 2000 15:03:21 +0100 |
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hpa@zytor.com said: > I don't think we want to do this! IMO, HZ should not get exported to > user space *AT ALL*. Instead, for the few interfaces that need it, > we'll export a "user space HZ" (USER_HZ) which is fixed. No need for > a kernel hack. When we support nonstandard values for HZ, we need to > fix the few interfaces that actually export jiffies values to convert > from "user jiffies" to real jiffies.
No. Why do the arithmetic in the kernel when we could just export the raw data, with full accuracy, and let user-space sort it out?
User-space may want to know the value of HZ for other reasons anyway.
if (HZ < 1000) { perror("You must hack your kernel to improve scheduling latency"); exit(1); }
-- dwmw2
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