[syslinux] Syslinux 3.81-pre4 (RC): halt on idle included

[H. Peter Anvin]

Sebastian Herbszt wrote:
> 
> I noticed your commit "idle: handle PXE stacks which improperly disable interrupts"
> also sets "NoHalt" to 1, so "HLT" is now skipped in the default configuration. Intended?
> 

No, it was a test hack that slipped out.  Fixed in -pre10.

>> I now also dump an error and debugging message if interrupts are ever
>> off at do_idle time.
> 
> The output looks like:
> 
> boot: ERROR: idle with IF=0
> <values from the stack>
> 
> There might be a minor user confusion because the "boot:" prompt message is not reprinted.
> I am not sure it's worth while to fix this.
> 

It will STI and try to continue.

	-hpa