Merge tag 'mac80211-for-davem-2015-12-02' of git://git.kernel.org/pub/scm/linux/kerne...

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kvm / mmu.c

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7d85bcae3332f0eb04c0fb9314a6c401de271e18..e7c2c1428a691676a6a1fdadee044ab45124acc2 100644 (file)
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3359,7 +3359,7 @@ exit:
        return reserved;
 }
 
-int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct)
+int handle_mmio_page_fault(struct kvm_vcpu *vcpu, u64 addr, bool direct)
 {
        u64 spte;
        bool reserved;
@@ -3368,7 +3368,7 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct)
                return RET_MMIO_PF_EMULATE;
 
        reserved = walk_shadow_page_get_mmio_spte(vcpu, addr, &spte);
-       if (unlikely(reserved))
+       if (WARN_ON(reserved))
                return RET_MMIO_PF_BUG;
 
        if (is_mmio_spte(spte)) {
@@ -3392,17 +3392,7 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct)
         */
        return RET_MMIO_PF_RETRY;
 }
-EXPORT_SYMBOL_GPL(handle_mmio_page_fault_common);
-
-static int handle_mmio_page_fault(struct kvm_vcpu *vcpu, u64 addr,
-                                 u32 error_code, bool direct)
-{
-       int ret;
-
-       ret = handle_mmio_page_fault_common(vcpu, addr, direct);
-       WARN_ON(ret == RET_MMIO_PF_BUG);
-       return ret;
-}
+EXPORT_SYMBOL_GPL(handle_mmio_page_fault);
 
 static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
                                u32 error_code, bool prefault)
@@ -3413,7 +3403,7 @@ static int nonpaging_page_fault(struct kvm_vcpu *vcpu, gva_t gva,
        pgprintk("%s: gva %lx error %x\n", __func__, gva, error_code);
 
        if (unlikely(error_code & PFERR_RSVD_MASK)) {
-               r = handle_mmio_page_fault(vcpu, gva, error_code, true);
+               r = handle_mmio_page_fault(vcpu, gva, true);
 
                if (likely(r != RET_MMIO_PF_INVALID))
                        return r;
@@ -3503,7 +3493,7 @@ static int tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, u32 error_code,
        MMU_WARN_ON(!VALID_PAGE(vcpu->arch.mmu.root_hpa));
 
        if (unlikely(error_code & PFERR_RSVD_MASK)) {
-               r = handle_mmio_page_fault(vcpu, gpa, error_code, true);
+               r = handle_mmio_page_fault(vcpu, gpa, true);
 
                if (likely(r != RET_MMIO_PF_INVALID))
                        return r;