linux-kernel - Re: [PATCH v2 0/2] Cleanup VMFUNC handling in KVM.

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Date:   Wed, 8 Feb 2023 14:28:48 +0800
From:   Yu Zhang <yu.c.zhang@...ux.intel.com>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     pbonzini@...hat.com, kvm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/2] Cleanup VMFUNC handling in KVM.

> 
> After much waffling, applied to kvm-x86 vmx.  I ended up keeping the logic to
> inject #UD on now-unexpected VMFUNC exits from L1, i.e. patch one does nothing
> more than clear the control bit.  I like the idea of clearing the control bit as
> it more explicitly documents what's going on, but killing the VM on an unexpected
> exit that KVM can gracefully handle seemed unnecessary.

Glad to know that. Thanks!

B.R.
Yu