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Subject[PATCH 4/4] KVM: x86: Unexport kvm_read_guest_page_mmu()
From
Unexport kvm_read_guest_page_mmu(), its only current user is for loading
PDPTRs, and with luck, KVM will not have to support similar insanity in
the future.

Signed-off-by: Sean Christopherson <seanjc@google.com>
---
arch/x86/include/asm/kvm_host.h | 3 ---
arch/x86/kvm/x86.c | 7 +++----
2 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 30e95c52769c..be271fdf584e 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1614,9 +1614,6 @@ void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
bool kvm_inject_emulated_page_fault(struct kvm_vcpu *vcpu,
struct x86_exception *fault);
-int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
- gfn_t gfn, void *data, int offset, int len,
- u32 access);
bool kvm_require_cpl(struct kvm_vcpu *vcpu, int required_cpl);
bool kvm_require_dr(struct kvm_vcpu *vcpu, int dr);

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d099d6e54a6f..06bc59c3abb9 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -732,9 +732,9 @@ EXPORT_SYMBOL_GPL(kvm_require_dr);
* running guest. The difference to kvm_vcpu_read_guest_page is that this function
* can read from guest physical or from the guest's guest physical memory.
*/
-int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
- gfn_t ngfn, void *data, int offset, int len,
- u32 access)
+static int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
+ gfn_t ngfn, void *data, int offset, int len,
+ u32 access)
{
struct x86_exception exception;
gfn_t real_gfn;
@@ -749,7 +749,6 @@ int kvm_read_guest_page_mmu(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,

return kvm_vcpu_read_guest_page(vcpu, real_gfn, data, offset, len);
}
-EXPORT_SYMBOL_GPL(kvm_read_guest_page_mmu);

static inline u64 pdptr_rsvd_bits(struct kvm_vcpu *vcpu)
{
--
2.31.1.498.g6c1eba8ee3d-goog
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