Re: Extending boot protocol & bzImage for paravirt_ops

[H. Peter Anvin]

Rusty Russell wrote:
>>
>> +  Bit 6 (write): KEEP_SEGMENTS
>> +	Protocol: 2.07+
>> +	- if 0, reload the segment registers in the 32bit entry point.
>> +	- if 1, do not reload the segment registers in the 32bit entry point.
>> +		Assume that %cs %ds %ss %es are all set to flat segments with
>> +		a base of 0 (or the equivalent for their environment).
> 
> You also want to skip the cli: perhaps a separate flag for this is
> appropriate though.
> 

Do we have *any* environment that enters the 32-bit code with interrupts
enabled?  I would think that is unsafe no matter how you do it.

	-hpa
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