Re: Extending boot protocol & bzImage for paravirt_ops

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux