[PATCH] KVM: ppc: Fix size of the PSPB register

[Alexander Graf]

> Am 02.09.2015 um 09:26 schrieb Thomas Huth <thuth at redhat.com>:
> 
>> On 02/09/15 00:55, Benjamin Herrenschmidt wrote:
>>> On Wed, 2015-09-02 at 08:45 +1000, Paul Mackerras wrote:
>>> On Wed, Sep 02, 2015 at 08:25:05AM +1000, Benjamin Herrenschmidt
>>> wrote:
>>>> On Tue, 2015-09-01 at 23:41 +0200, Thomas Huth wrote:
>>>>> The size of the Problem State Priority Boost Register is only
>>>>> 32 bits, so let's change the type of the corresponding variable
>>>>> accordingly to avoid future trouble.
>>>> 
>>>> It's not future trouble, it's broken today for LE and this should
>>>> fix
>>>> it BUT ....
>>> 
>>> No, it's broken today for BE hosts, which will always see 0 for the
>>> PSPB register value.  LE hosts are fine.
> 
> Right ... I just meant that nobody really experienced trouble with this
> today yet, but the bug is already present now already of course.

Sounds like a great candidate for kvm-unit-tests then, no? ;)


Alex