Messages in this thread | | | Date | Tue, 13 Aug 2002 21:42:38 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [patch] printk from userspace |
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Benjamin LaHaise wrote: > On Tue, Aug 13, 2002 at 09:26:45PM -0700, Linus Torvalds wrote: > >>That said, I like the notion. I've always hated the fact that all the >>boot-time messages get lost, simply because syslogd hadn't started, and >>as a result things like fsck ran without any sign afterwards. The kernel >>log approach saves it all in one place. >> >>But /dev/console just sounds potentially _too_ noisy. > > > /dev/kmsg was another suggestion for the name. But please revert the > yet-another-syscall variant -- having a duplicate way for logging that > doesn't work with stdio just seems sick to me (sys_syslog should die). > Something like the following untested code is much better. >
a) /dev/kmsg bettwe be S_IRUSR|S_IWUSR... reading /{proc,dev}/kmsg should drain the ring buffer.
b) Hook up the /proc/kmsg read to this thing.
It really needs to be a /dev node, not a /proc node; procfs is likely *not* to be mounted; however, manifesting a /dev node is easy enough.
-hpa
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