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Commit ceef7d10dfb6 ("KVM: x86: VMX: hyper-v: Enlightened MSR-Bitmap
support") broke the build with Hyper-V disabled, because it accesses
ms_hyperv.nested_features without checking if that exists.
This is the quick-and-hacky build fix.
I suspect the proper fix is to replace the
static_branch_unlikely(&enable_evmcs)
tests with an inline helper function that also checks that CONFIG_HYPERV
is enabled, since without that, enable_evmcs makes no sense.
But I want a working build environment first and foremost, and I'm upset
this slipped through in the first place. My primary build tests missed
it because I tend to build with everything enabled, but it should have
been caught in the kvm tree.
Fixes: ceef7d10dfb6 ("KVM: x86: VMX: hyper-v: Enlightened MSR-Bitmap support")
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
dbee3d0245