Mark Cave-Ayland writes:
> On 19/02/2019 04:20, Michael Ellerman wrote:
>> Mark Cave-Ayland writes:
> unexpectedly removed the MSR_FE0 and MSR_FE1 bits from the bitmask used to
> update the MSR of the previous thread in __giveup_fpu() causing a KVM-PR
> MacOS
> guest to lockup
On 19/02/2019 04:55, Michael Ellerman wrote:
> Mark Cave-Ayland writes:
>> On 11/02/2019 00:30, Benjamin Herrenschmidt wrote:
>>
>>> On Fri, 2019-02-08 at 14:51 +, Mark Cave-Ayland wrote:
Indeed, but there are still some questions to be asked here:
1) Why were these bits
On 19/02/2019 04:20, Michael Ellerman wrote:
Hi Michael,
> Mark Cave-Ayland writes:
>> On 08/02/2019 14:45, Christophe Leroy wrote:
>>
>>> Le 08/02/2019 à 15:33, Mark Cave-Ayland a écrit :
Commit 8792468da5e1 "powerpc: Add the ability to save FPU without giving
it up"
>>>
>>>
Mark Cave-Ayland writes:
> On 11/02/2019 00:30, Benjamin Herrenschmidt wrote:
>
>> On Fri, 2019-02-08 at 14:51 +, Mark Cave-Ayland wrote:
>>>
>>> Indeed, but there are still some questions to be asked here:
>>>
>>> 1) Why were these bits removed from the original bitmask in the first place
Mark Cave-Ayland writes:
> On 08/02/2019 14:45, Christophe Leroy wrote:
>
>> Le 08/02/2019 à 15:33, Mark Cave-Ayland a écrit :
>>> Commit 8792468da5e1 "powerpc: Add the ability to save FPU without giving it
>>> up"
>>
>> Expected format for the above is:
>>
>> Commit 123456789abc ("text")
>
>
On 11/02/2019 00:30, Benjamin Herrenschmidt wrote:
> On Fri, 2019-02-08 at 14:51 +, Mark Cave-Ayland wrote:
>>
>> Indeed, but there are still some questions to be asked here:
>>
>> 1) Why were these bits removed from the original bitmask in the first place
>> without
>> it being documented
On Fri, 2019-02-08 at 14:51 +, Mark Cave-Ayland wrote:
>
> Indeed, but there are still some questions to be asked here:
>
> 1) Why were these bits removed from the original bitmask in the first place
> without
> it being documented in the commit message?
>
> 2) Is this the right fix? I'm
On 08/02/2019 14:45, Christophe Leroy wrote:
> Le 08/02/2019 à 15:33, Mark Cave-Ayland a écrit :
>> Commit 8792468da5e1 "powerpc: Add the ability to save FPU without giving it
>> up"
>
> Expected format for the above is:
>
> Commit 123456789abc ("text")
Hi Christophe,
Apologies - I'm fairly
Le 08/02/2019 à 15:33, Mark Cave-Ayland a écrit :
Commit 8792468da5e1 "powerpc: Add the ability to save FPU without giving it up"
Expected format for the above is:
Commit 123456789abc ("text")
unexpectedly removed the MSR_FE0 and MSR_FE1 bits from the bitmask used to
update the MSR of
Commit 8792468da5e1 "powerpc: Add the ability to save FPU without giving it up"
unexpectedly removed the MSR_FE0 and MSR_FE1 bits from the bitmask used to
update the MSR of the previous thread in __giveup_fpu() causing a KVM-PR MacOS
guest to lockup and panic the kernel.
Reinstate these bits to
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