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Re: [PATCH] target/i386: relax assert when old host kernels don't includ
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From: |
Paolo Bonzini |
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Subject: |
Re: [PATCH] target/i386: relax assert when old host kernels don't include msrs |
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Date: |
Wed, 4 Dec 2019 16:34:45 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 |
On 04/12/19 16:07, Catherine Ho wrote:
>> Ok, so the problem is that some MSR didn't exist in that version. Which
> I thought in my platform, the only MSR didn't exist is MSR_IA32_VMX_BASIC
> (0x480). If I remove this kvm_msr_entry_add(), everything is ok, the guest can
> be boot up successfully.
>
MSR_IA32_VMX_BASIC was added in kvm-4.10. Maybe the issue is the
_value_ that is being written to the VM is not valid? Can you check
what's happening in vmx_restore_vmx_basic?
Paolo
- [PATCH] target/i386: relax assert when old host kernels don't include msrs, Catherine Ho, 2019/12/04
- Re: [PATCH] target/i386: relax assert when old host kernels don't include msrs, Paolo Bonzini, 2019/12/04
- Re: [PATCH] target/i386: relax assert when old host kernels don't include msrs, Catherine Ho, 2019/12/04
- [PATCH] target/i386: skip kvm_msr_entry_add when kvm_vmx_basic is 0, Catherine Ho, 2019/12/06
- Re: [PATCH] target/i386: skip kvm_msr_entry_add when kvm_vmx_basic is 0, Catherine Ho, 2019/12/06
- Re: [PATCH] target/i386: skip kvm_msr_entry_add when kvm_vmx_basic is 0, Paolo Bonzini, 2019/12/06
- Re: [PATCH] target/i386: skip kvm_msr_entry_add when kvm_vmx_basic is 0, no-reply, 2019/12/06