Re: [PATCH 4/4] KVM: VMX: Add a helper and macros to reduce boilerplate for sec exec ctls

From: Sean Christopherson
Date: Wed Sep 23 2020 - 13:22:42 EST


On Wed, Sep 23, 2020 at 07:20:17PM +0200, Paolo Bonzini wrote:
> On 23/09/20 18:50, Sean Christopherson wrote:
> > Add a helper function and several wrapping macros to consolidate the
> > copy-paste code in vmx_compute_secondary_exec_control() for adjusting
> > controls that are dependent on guest CPUID bits.
> >
> > No functional change intended.
> >
> > Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> > ---
> > arch/x86/kvm/vmx/vmx.c | 128 +++++++++++++----------------------------
> > 1 file changed, 41 insertions(+), 87 deletions(-)
>
> The diffstat is enticing but the code a little less so... Can you just
> add documentation above vmx_adjust_secondary_exec_control that explains
> the how/why?

Ya, I'd be more than happy to add a big comment.