Re: [PATCH] KVM: SVM: Fix missing kvm_cache_regs.h include in svm.h

From: Sean Christopherson
Date: Thu Mar 03 2022 - 11:59:43 EST


On Thu, Mar 03, 2022, Peter Gonda wrote:
> On Thu, Mar 3, 2022 at 9:26 AM Sean Christopherson <seanjc@xxxxxxxxxx> wrote:
> > Ha, we've already got a lovely workaround for exactly this problem. This patch
> > should drop the include from svm_onhyperv.c, there's nothing in that file that
> > needs kvm_cache_regs.h (I verified by deleting use of is_guest_mode()), it's
> > included purely because of this bug in svm.h.
>
> Ah good catch. I assume I should add kvm_cache_regs.h to
> arch/x86/kvm/svm/nested.c too since it uses is_guest_mode().

Nah, picking it up from svm.h (and several other headers) is ok. If we required
every compilation unit to _directly_ include every header, we'd probably double
the size of the kernel source :-)