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SubjectRe: [PATCH v4 11/19] x86/cpu: Print VMX flags in /proc/cpuinfo using VMX_FEATURES_*
On 12/12/19 18:43, Sean Christopherson wrote:
> Key word being "usually". My intent in printing out partially redundant
> flags was to help users debug/understand why the combined feature isn't
> supported. E.g. userspace can already easily (relatively speaking) query
> flexpriority support via /sys/module/kvm_intel/parameters/flexpriority.
> But if that comes back "N", the user has no way to determine exactly why
> flexpriority is disabled.

There are tools such as vmxcap. It is part of QEMU, but I wouldn't mind
moving it into the kernel tree.


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