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Re: [PATCH 4/8] i386: hvf: Implement CPU kick
From: |
Paolo Bonzini |
Subject: |
Re: [PATCH 4/8] i386: hvf: Implement CPU kick |
Date: |
Mon, 29 Jun 2020 15:35:16 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 |
On 29/06/20 15:29, Roman Bolshakov wrote:
>>> macOS 11.0 Beta deprecated hv_vcpu_run() and introduced a special
>>> declaration for hv_vcpu_run_until(), that's not available 10.15 -
>>> HV_DEADLINE_FOREVER (UINT64_MAX, which is bigger than maximum value of
>>> VMX-preeemption counter). Perhaps the performance issue is addressed
>>> there.
>> Possibly. I'm worried that the preemption-timer trick will fail to run
>> there, but we'll see.
>>
> Well, I've got new VM-exits (caused by zero preemption timer) on either
> of my laptops.
If you have already tried 11.0 that's great. I was worried that it
would forcibly clear the preemption timer bit when passed
HV_DEADLINE_FOREVER.
Paolo
- [PATCH 5/8] i386: hvf: Don't duplicate register reset, (continued)
- [PATCH 5/8] i386: hvf: Don't duplicate register reset, Roman Bolshakov, 2020/06/24
- [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/24
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Claudio Fontana, 2020/06/25
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Paolo Bonzini, 2020/06/25
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/25
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Paolo Bonzini, 2020/06/25
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/29
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Paolo Bonzini, 2020/06/29
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/29
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick,
Paolo Bonzini <=
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/29
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Paolo Bonzini, 2020/06/29
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Roman Bolshakov, 2020/06/30
- Re: [PATCH 4/8] i386: hvf: Implement CPU kick, Paolo Bonzini, 2020/06/30
[PATCH 8/8] MAINTAINERS: Add Cameron as HVF co-maintainer, Roman Bolshakov, 2020/06/24
Re: [PATCH 0/8] Improve synchronization between QEMU and HVF, Paolo Bonzini, 2020/06/25