[Top][All Lists]

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

Re: [Qemu-devel] [PATCH 08/10] target-s390x: implement STFLE instruction

From: Alexander Graf
Subject: Re: [Qemu-devel] [PATCH 08/10] target-s390x: implement STFLE instruction
Date: Wed, 27 May 2015 16:55:22 +0200

> Am 27.05.2015 um 16:31 schrieb Richard Henderson <address@hidden>:
>> 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 ;)


> r~

reply via email to

[Prev in Thread] Current Thread [Next in Thread]