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Re: [qemu-s390x] [PATCH v2 2/3] s390x/cpumodel: default enable mepoch fo
From: |
Collin Walling |
Subject: |
Re: [qemu-s390x] [PATCH v2 2/3] s390x/cpumodel: default enable mepoch for z14 and later |
Date: |
Tue, 12 Feb 2019 12:03:49 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 |
On 2/12/19 4:04 AM, David Hildenbrand wrote:
> On 12.02.19 02:16, Collin Walling wrote:
>> Latest systems and host kernels support mepoch, which is a
>> feature that was meant to be supported for z14 GA1 from the
>> get-go. Let's copy it to the z14 GA1 default CPU model.
>>
>> Machines s390-ccw-virtio-3.1 and older will retain the old CPU
>> models and will not provide this bit nor the extended PTFF
>> functions in the default model.
>>
>> Signed-off-by: Collin Walling <address@hidden>
>> ---
>> @Christian, @David: I elected to not add your r-b's to this
>> patch since I've added some code to disable feature groups.
>> I'd like to know what you both think :)
>
> Looks good to me!
>
> Reviewed-by: David Hildenbrand <address@hidden>
>
Thanks!
--
Respectfully,
- Collin Walling
- [qemu-s390x] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init, Collin Walling, 2019/02/11
- [qemu-s390x] [PATCH v2 2/3] s390x/cpumodel: default enable mepoch for z14 and later, Collin Walling, 2019/02/11
- [qemu-s390x] [PATCH v2 3/3] s390x/cpumodel: add z14 GA2 model, Collin Walling, 2019/02/11
- Re: [qemu-s390x] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init, Cornelia Huck, 2019/02/12
- Re: [qemu-s390x] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init, Christian Borntraeger, 2019/02/12
- Re: [qemu-s390x] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init, David Hildenbrand, 2019/02/12
- Re: [qemu-s390x] [PATCH v2 1/3] s390x/cpumodel: mepochptff: warn when no mepoch and re-align group init, Cornelia Huck, 2019/02/13