Re: [PATCH 06/13] x86/sev: Rename global "sev_enabled" flag to "sev_guest"

[Sean Christopherson]

On Mon, Jan 11, 2021, Tom Lendacky wrote:
> On 1/11/21 10:02 AM, Tom Lendacky wrote:
> > On 1/8/21 6:47 PM, Sean Christopherson wrote:
> > > Use "guest" instead of "enabled" for the global "running as an SEV guest"
> > > flag to avoid confusion over whether "sev_enabled" refers to the guest or
> > > the host.  This will also allow KVM to usurp "sev_enabled" for its own
> > > purposes.
> > > 
> > > No functional change intended.
> > > 
> > > Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> > 
> > Acked-by: Tom Lendacky <thomas.lendacky@xxxxxxx>
> 
> Ah, I tried building with CONFIG_KVM=y and CONFIG_KVM_AMD=y and got a build
> error:
> 
> In file included from arch/x86/kvm/svm/svm.c:43:
> arch/x86/kvm/svm/svm.h:222:20: error: ‘sev_guest’ redeclared as different
> kind of symbol

Dang, didn't consider that scenario, obviously.  The irony of introducing a
conflict while trying to avoid conflicts...