> Am 27.05.2015 um 16:31 schrieb Richard Henderson <r...@twiddle.net>:
> 
>> On 05/26/2015 03:03 PM, Aurelien Jarno wrote:
>> Ok, I understand now. That said I don't see how implementing STFLE will
>> break that. I think it will actually improve things by enabling more
>> facilities and thus making the kernel happier (but maybe not enough).
> 
> Somewhat amusingly, by not implementing STFLE we bypass this check.
> 
> 
>>> #elif defined(CONFIG_MARCH_Z990)
>>>        .long 1, 0xc0002000
>> 
>> For this one we only miss one instruction in the LD facility. I have it
>> on my TODO list, though it might take a few weeks until it goes to the
>> top.
> 
> Which one?
> 
>>> #elif defined(CONFIG_MARCH_Z900)
>>>        .long 1, 0xc0000000
>> 
>> This corresponds to the current value we provide. CONFIG_MARCH_Z900 also
>> correspond to the configuration of the Debian kernel, that's why I am
>> able to boot kernels.
> 
> Ah, well that's something.  Fedora defaults to z9-109, and I think SuSE does
> the same.

Unfortunately SLE12 has its ALS on z196, so there's quite a bit more work 
necessary ;)

Alex

> 
> 
> r~

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