Followup to: <[EMAIL PROTECTED]>
By author: Michael Bacarella <[EMAIL PROTECTED]>
In newsgroup: linux.dev.kernel
>
> I've seen a couple of patches in the archives to make open()/close()
> on /proc/kmsg do more than NOP. As of 2.4.4, klogd still needs to
> run as root since access is checked on read() rather than once at
> open(). I can't find the rationale as to why they're rejected.
>
> Also, why is reading /proc/kmsg a privileged operation, yet dmesg
> can happily print out the entire ring via (do_)syslog() ?
>
Probably because reading /proc/kmsg may cause syslogd to miss
messages.
-hpa
--
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"Unix gives you enough rope to shoot yourself in the foot."
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