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Re: [Qemu-devel] [Qemu-ppc] [PATCH V10] target-ppc: Fix htab_mask calcul


From: Alexander Graf
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH V10] target-ppc: Fix htab_mask calculation
Date: Fri, 14 Feb 2014 15:42:49 +0100

On 14.02.2014, at 15:28, Alexander Graf <address@hidden> wrote:

> 
> On 14.02.2014, at 14:54, Alexander Graf <address@hidden> wrote:
> 
>> 
>> On 14.02.2014, at 14:06, Alexander Graf <address@hidden> wrote:
>> 
>>> 
>>> On 13.02.2014, at 15:51, Alexander Graf <address@hidden> wrote:
>>> 
>>>> 
>>>> On 13.02.2014, at 11:40, Greg Kurz <address@hidden> wrote:
>>>> 
>>>>> On Thu, 13 Feb 2014 08:29:28 +0530
>>>>> "Aneesh Kumar K.V" <address@hidden> wrote:
>>>>> 
>>>>>> From: "Aneesh Kumar K.V" <address@hidden>
>>>>>> 
>>>>>> Correctly update the htab_mask using the return value of
>>>>>> KVM_PPC_ALLOCATE_HTAB ioctl. Also we don't update sdr1
>>>>>> on GET_SREGS for HV. We check for external htab and if
>>>>>> found true, we don't need to update sdr1
>>>>>> 
>>>>>> Signed-off-by: Aneesh Kumar K.V <address@hidden>
>>>>> 
>>>>> Reviewed-by: Greg Kurz <address@hidden>
>>>>> 
>>>>>> ---
>>>>>> Changes from V9:
>>>>>> * Fix TCG breakage
>>>>>> 
>>>>> 
>>>>> Alex,
>>>>> 
>>>>> This patch is a complete replacement for commit 1df2d6d900a9 in your
>>>>> ppc-next branch.
>>>>> 
>>>>> Please apply so that TCG works again ! :)
>>>> 
>>>> Thanks, applied to ppc-next.
>>> 
>>> With this patch applied -M pseries fails to boot a kernel for me.
>> 
>> -M mac99 also fails miserably. It almost looks as if the mask cuts off some 
>> bits, but please investigate this yourself. I'll remove the patch from the 
>> queue meanwhile.
> 
> Sigh, this whole series is just way too broken. I'll remove everything as of 
> this patch from my queue. Aneesh, please rework the HTAB load/store patches 
> and make sure that
> 
>  - TCG works
>  - -M mac99 works
>  - 32bit guest works
>  - 32bit host works (casts!)

Oh, and please make sure every patch by itself covers the above, so that 
they're properly bisectable.


Alex




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