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SubjectRe: [PATCH] x86: kvm: Demote level of already loaded message from error to info
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On 18.08.2021 13:49, Paul Menzel wrote:
> In scripts, running
>
> modprobe kvm_amd 2>/dev/null
> modprobe kvm_intel 2>/dev/null
>
> to ensure the modules are loaded causes Linux to log errors.
>
> $ dmesg --level=err
> [ 0.641747] [Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0x3a (or later)
> [ 40.196868] kvm: already loaded the other module
> [ 40.219857] kvm: already loaded the other module
> [ 55.501362] kvm [1177]: vcpu0, guest rIP: 0xffffffff96e5b644 disabled perfctr wrmsr: 0xc2 data 0xffff
> [ 56.397974] kvm [1418]: vcpu0, guest rIP: 0xffffffff81046158 disabled perfctr wrmsr: 0xc1 data 0xabcd
> [1007981.827781] kvm: already loaded the other module
> [1008000.394089] kvm: already loaded the other module
> [1008030.706999] kvm: already loaded the other module
> [1020396.054470] kvm: already loaded the other module
> [1020405.614774] kvm: already loaded the other module
> [1020410.140069] kvm: already loaded the other module
> [1020704.049231] kvm: already loaded the other module
>
> As one of the two KVM modules is already loaded, KVM is functioning, and
> their is no error condition. Therefore, demote the log message level to
> informational.
>

Shouldn't this return ENODEV when loading one of these modules instead
as there is no hardware that supports both VMX and SVM?

Thanks,
Maciej

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