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Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values
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From: |
Richard Henderson |
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Subject: |
Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG |
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Date: |
Thu, 14 Jun 2018 17:38:16 -1000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 06/14/2018 03:45 PM, David Gibson wrote:
>>> To wit, the instructions are recognized and transactions always fail.
>>> Which is
>>> not a bad way to test the required fallback paths that rarely fail on
>>> hardware.
>>> ;-)
>>
>> If TM instructions don't cause an exception, I guess its reasonable to say
>> they're supported :)
>
> That argument has come up before, and I disagree. I don't think it's
> reasonable to advertise TM support as available if the instructions
> always fail.
Is it possible to turn it on from the command-line?
Like one can with -cpu foo,+opt on x86 or -cpu foo,opt=on on s390?
r~
- Re: [Qemu-devel] [PATCH 2/3] spapr: fix leak in h_client_architecture_support(), (continued)
- [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, Greg Kurz, 2018/06/12
- Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, Richard Henderson, 2018/06/14
- Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, Greg Kurz, 2018/06/14
- Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, David Gibson, 2018/06/14
- Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG,
Richard Henderson <=
- Re: [Qemu-devel] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, David Gibson, 2018/06/15
- Re: [Qemu-devel] [Qemu-ppc] [PATCH 3/3] target/ppc: filter out non-zero PCR values when using TCG, Greg Kurz, 2018/06/15
Re: [Qemu-devel] [PATCH 1/3] target/ppc: drop empty #if/#endif block, David Gibson, 2018/06/12