KVM: x86/mmu: Add module param to disable MMIO caching (for testing)
Add a module param to disable MMIO caching so that it's possible to test
the related flows without access to the necessary hardware. Using shadow
paging with 64-bit KVM and 52 bits of physical address space must disable
MMIO caching as there are no reserved bits to be had.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <
20210225204749.
1512652-12-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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