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Re: [Qemu-ppc] [RFC v3 2/2] target/ppc: move POWER9 DD1 workaround to pp
From: |
Thomas Huth |
Subject: |
Re: [Qemu-ppc] [RFC v3 2/2] target/ppc: move POWER9 DD1 workaround to ppc_cpu_initfn |
Date: |
Tue, 4 Jul 2017 13:13:00 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 04.07.2017 11:27, David Gibson wrote:
> On Tue, Jul 04, 2017 at 10:17:18AM +0200, Thomas Huth wrote:
>> On 03.07.2017 15:14, Laurent Vivier wrote:
>>> Commit 5f3066d ("target/ppc: Allow workarounds for POWER9 DD1")
>>> disables compatibility mode for POWER9 DD1 to allow to
>>> boot on POWER9 DD1 host with KVM.
>>>
>>> As the workaround has been added in kvmppc_host_cpu_class_init(),
>>> it applies only on CPU created with "-cpu host".
>>> As we want to be able to use also "-cpu POWER9" on a POWER9 DD1
>>> host, this patch moves the workaround from kvmppc_host_cpu_class_init()
>>> to ppc_cpu_initfn().
>>
>> Would it be feasible to move it to init_proc_POWER9() instead? I think
>> that would be a better location for the POWER9 workaround ... not sure
>> whether it can be done there, though.
>
> That would be neater if it works. I've applied the patch as is for
> now, but if that does work, a follow up to move the workaround would
> be nice.
Seems like it works ... Could you use the patches from v4 instead?
Thomas
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[Qemu-ppc] [RFC v3 2/2] target/ppc: move POWER9 DD1 workaround to ppc_cpu_initfn, Laurent Vivier, 2017/07/03
Re: [Qemu-ppc] [RFC v3 0/2] target/ppc/cpu-models: set POWER9_v1.0 as POWER9 DD1, David Gibson, 2017/07/04