new kernel ... / hardware watchdog

Andy Green andy at
Mon Sep 29 20:48:05 CEST 2008

Hash: SHA1

Somebody in the thread at some point said:

| We could use the drivers/watchdog/s3c2410_wdt.c to make sure the
| application layer never freezes.

The hardware watchdog is the only one worth the dog biscuits if we do
anything about this.

| We can make the code conditionally compiled.
| We can put it in the debug-only kernel.

Actually, the debug-only kernel was created to eat these "debug and test
patches 'removed' from the kernel", if you have that kind of patches
propose them and we will stick them in there while they seem to be
useful.  That's been the case since we created it.  It comes down to
"send patches!"

On removing the code, it's easy to forget we only look at it to get the
driver upstream.  I don't know why upstream folks would automatically
hate on "controlled reboot on button hold" feature in the driver.  I
seem to recall Harald mentioning sending signals to init for that kind
of thing is a longstanding tradition.  I think we should send it
upstream as it is and let them decide its fate.

Either way, we won't be reacting to this stuff at all until it comes
back in from upstream to stable-tracking, and not shipping it until
2.6.28 (if this thread ends in enough time for that).

- -Andy
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