[clug] Looking for "Danger, Will Robinson" comment in source code
Kathy Reid
kathy at kathyreid.id.au
Mon Jun 6 01:10:21 UTC 2022
I'll have to ... check it out
On 6/06/2022 10:56 am, Bob Edwards via linux wrote:
> Well done Luke!
>
> Ahhh CVS - those were the days...
>
> cheers,
> Bob Edwards.
>
> On 5/6/22 16:47, Luke Mewburn via linux wrote:
>> A quick grep through the NetBSD src tree found this from 1997:
>> http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/arch/sun3/sun3x/pmap.c?rev=1.1&content-type=text/x-cvsweb-markup&only_with_tag=MAIN
>>
>>
>>
>> 2056 /* pmap_enter_kernel INTERNAL
>> 2057 **
>> 2058 * Map the given virtual address to the given physical
>> address within the
>> 2059 * kernel address space. This function exists because the
>> kernel map does
>> 2060 * not do dynamic table allocation. It consists of a
>> contiguous array of ptes
>> 2061 * and can be edited directly without the need to walk
>> through any tables.
>> 2062 *
>> 2063 * XXX: "Danger, Will Robinson!"
>> 2064 * Note that the kernel should never take a fault on any page
>> 2065 * between [ KERNBASE .. virtual_avail ] and this is checked in
>> 2066 * trap.c for kernel-mode MMU faults. This means that mappings
>> 2067 * created in that range must be implicily wired. -gwr
>> 2068 */
>> 2069 void
>> 2070 pmap_enter_kernel(vaddr_t va, paddr_t pa, vm_prot_t prot)
>>
>>
>> There might be older occurrences; that was the first one I found.
>>
>>
>>
>> cheers,
>> Luke.
>>
>>
>> On 22-06-03 08:03, steve jenkin via linux wrote:
>> | A friend said he’d heard a story that "Danger, Will Robinson”
>> was buried in source code somewhere.
>> |
>> | went looking & failed to find a decent reference.
>> |
>> | Any clues?
>> |
>> | =================================
>> |
>> | For your amusement, things I found.
>> |
>> | =================================
>> |
>> | 500+ comments on Stackoverflow thread
>> |
>> | What is the best comment in source code you have ever encountered?
>> |
>> <https://stackoverflow.com/questions/184618/what-is-the-best-comment-in-source-code-you-have-ever-encountered>
>> |
>> | Same thread as a single page
>> | WARNING: will attempt to print the page
>> |
>> |
>> <http://www.stackprinter.com/questions/what-is-the-best-comment-in-source-code-you-have-ever-encountered.html>
>> |
>> | =================================
>> |
>> | man Syslogd
>> |
>> | <https://linux.die.net/man/8/syslogd>
>> |
>> | 5.
>> |
>> | Use step 4 and if the problem persists and is not secondary
>> to a rogue program/daemon get a 3.5 ft (approx. 1 meter) length of
>> sucker rod* and have a chat with the user in question.
>> |
>> | Sucker rod def. - 3/4, 7/8 or 1in. hardened steel rod, male
>> threaded on each end.
>> | Primary use in the oil industry in Western North Dakota and
>> other locations to pump 'suck' oil from oil wells.
>> | Secondary uses are for the construction of cattle feed lots
>> and for dealing with the occasional recalcitrant or belligerent
>> individual.
>> |
>> | =================================
>> |
>> | Abba tribute in an easter egg.
>> |
>> | Why does man print "gimme gimme gimme" at 00:30?
>> |
>> <https://unix.stackexchange.com/questions/405783/why-does-man-print-gimme-gimme-gimme-at-0030>
>> |
>> | =================================
>> |
>> | History of:
>> |
>> | "Whenever faced with a problem, some people say `Lets use
>> _____.'
>> | Now, they have two problems.”
>> |
>> | creator:
>> | David Tilbrook
>> |
>> | <http://regex.info/blog/2006-09-15/247>
>> |
>> | =================================
>> |
>> |
>> | --
>> | Steve Jenkin, IT Systems and Design
>> | 0412 786 915 (+61 412 786 915)
>> | PO Box 38, Kippax ACT 2615, AUSTRALIA
>> |
>> | mailto:sjenkin at canb.auug.org.au http://members.tip.net.au/~sjenkin
>> |
>> |
>> | --
>> | linux mailing list
>> | linux at lists.samba.org
>> | https://lists.samba.org/mailman/listinfo/linux
>>
>
>
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