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-rw-r--r--kvm_mmu.c43
-rw-r--r--kvm_vmx.c18
-rw-r--r--kvm_x86.c8
3 files changed, 3 insertions, 66 deletions
diff --git a/kvm_mmu.c b/kvm_mmu.c
index 802dbb8..2beafe9 100644
--- a/kvm_mmu.c
+++ b/kvm_mmu.c
@@ -1455,7 +1455,6 @@ kvm_mmu_unprotect_page(struct kvm *kvm, gfn_t gfn)
index = kvm_page_table_hashfn(gfn);
bucket = &kvm->arch.mmu_page_hash[index];
- /* XXX - need lock? */
for (sp = list_head(bucket); sp; sp = list_next(bucket, sp)) {
if (sp->gfn == gfn && !sp->role.direct) {
r = 1;
@@ -1858,7 +1857,6 @@ nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
int r;
int level;
pfn_t pfn;
- unsigned long mmu_seq;
level = mapping_level(vcpu, gfn);
@@ -1871,11 +1869,6 @@ nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
gfn &= ~(KVM_PAGES_PER_HPAGE(level) - 1);
-#ifdef XXX
- mmu_seq = vcpu->kvm->mmu_notifier_seq;
-#else
- XXX_KVM_PROBE;
-#endif
smp_rmb();
pfn = gfn_to_pfn(vcpu->kvm, gfn);
@@ -1886,12 +1879,6 @@ nonpaging_map(struct kvm_vcpu *vcpu, gva_t v, int write, gfn_t gfn)
}
mutex_enter(&vcpu->kvm->mmu_lock);
-#ifdef XXX
- if (mmu_notifier_retry(vcpu, mmu_seq))
- goto out_unlock;
-#else
- XXX_KVM_PROBE;
-#endif
kvm_mmu_free_some_pages(vcpu);
r = __direct_map(vcpu, v, write, level, gfn, pfn);
mutex_exit(&vcpu->kvm->mmu_lock);
@@ -2089,7 +2076,6 @@ tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, uint32_t error_code)
int r;
int level;
gfn_t gfn = gpa >> PAGESHIFT;
- unsigned long mmu_seq;
ASSERT(vcpu);
ASSERT(VALID_PAGE(vcpu->arch.mmu.root_hpa));
@@ -2102,11 +2088,6 @@ tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, uint32_t error_code)
gfn &= ~(KVM_PAGES_PER_HPAGE(level) - 1);
-#ifdef XXX
- mmu_seq = vcpu->kvm->mmu_notifier_seq;
-#else
- XXX_KVM_PROBE;
-#endif
smp_rmb();
pfn = gfn_to_pfn(vcpu->kvm, gfn);
if (is_error_pfn(pfn)) {
@@ -2114,12 +2095,7 @@ tdp_page_fault(struct kvm_vcpu *vcpu, gva_t gpa, uint32_t error_code)
return (1);
}
mutex_enter(&vcpu->kvm->mmu_lock);
-#ifdef XXX
- if (mmu_notifier_retry(vcpu, mmu_seq))
- goto out_unlock;
-#else
- XXX_KVM_PROBE;
-#endif
+
kvm_mmu_free_some_pages(vcpu);
r = __direct_map(vcpu, gpa,
error_code & PFERR_WRITE_MASK, level, gfn, pfn);
@@ -2544,11 +2520,6 @@ mmu_guess_page_from_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
gfn = (gpte & PT64_BASE_ADDR_MASK) >> PAGESHIFT;
-#ifdef XXX
- vcpu->arch.update_pte.mmu_seq = vcpu->kvm->mmu_notifier_seq;
-#else
- XXX_KVM_PROBE;
-#endif
smp_rmb();
pfn = gfn_to_pfn(vcpu->kvm, gfn);
@@ -2611,7 +2582,6 @@ kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa,
index = kvm_page_table_hashfn(gfn);
bucket = &vcpu->kvm->arch.mmu_page_hash[index];
- /* XXX - need protection ? I think not since mmu_lock held above... */
for (sp = list_head(bucket); sp; sp = list_next(bucket, sp)) {
if (sp->gfn != gfn || sp->role.direct || sp->role.invalid)
continue;
@@ -2949,16 +2919,6 @@ kvm_mmu_module_init(void)
(void *)sizeof (struct kvm_mmu_page), NULL, 0)) == NULL)
goto nomem;
-#ifdef XXX
- /*
- * this looks like a garbage collector/reaper. Implement later if
- * needed
- */
- register_shrinker(&mmu_shrinker);
-#else
- XXX_KVM_PROBE;
-#endif
-
return (0);
nomem:
@@ -3063,7 +3023,6 @@ kvm_avlmmucmp(const void *arg1, const void *arg2)
inline page_t *
compound_head(page_t *page)
{
- /* XXX - linux links page_t together. */
return (page);
}
diff --git a/kvm_vmx.c b/kvm_vmx.c
index 6610fe8..ca26563 100644
--- a/kvm_vmx.c
+++ b/kvm_vmx.c
@@ -2694,11 +2694,6 @@ vmx_vcpu_reset(struct kvm_vcpu *vcpu)
page_t *ptp;
vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP));
-#ifdef XXX
- idx = srcu_read_lock(&vcpu->kvm->srcu);
-#else
- XXX_KVM_SYNC_PROBE;
-#endif
if (!init_rmode(vmx->vcpu.kvm)) {
ret = -ENOMEM;
@@ -2820,11 +2815,6 @@ vmx_vcpu_reset(struct kvm_vcpu *vcpu)
vmx->emulation_required = 0;
out:
-#ifdef XXX
- srcu_read_unlock(&vcpu->kvm->srcu, idx);
-#else
- XXX_KVM_SYNC_PROBE;
-#endif
return (ret);
}
@@ -4104,14 +4094,8 @@ vmx_vcpu_run(struct kvm_vcpu *vcpu)
struct vcpu_vmx *vmx = to_vmx(vcpu);
/* Record the guest's net vcpu time for enforced NMI injections. */
- if (!cpu_has_virtual_nmis() && vmx->soft_vnmi_blocked) {
-#ifdef XXX
- vmx->entry_time = ktime_get();
-#else
+ if (!cpu_has_virtual_nmis() && vmx->soft_vnmi_blocked)
vmx->entry_time = gethrtime();
- XXX_KVM_PROBE;
-#endif
- }
/*
* Don't enter VMX if guest state is invalid, let the exit handler
diff --git a/kvm_x86.c b/kvm_x86.c
index f272e2b..a56e468 100644
--- a/kvm_x86.c
+++ b/kvm_x86.c
@@ -4650,19 +4650,13 @@ kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
{
int r;
-#ifdef XXX
- /* We do fxsave: this must be aligned. */
- BUG_ON((unsigned long)&vcpu->arch.host_fx_image & 0xF);
-#else
- XXX_KVM_PROBE;
-#endif
-
vcpu->arch.mtrr_state.have_fixed = 1;
vcpu_load(vcpu);
r = kvm_arch_vcpu_reset(vcpu);
if (r == 0)
r = kvm_mmu_setup(vcpu);
+
vcpu_put(vcpu);
if (r < 0)
goto free_vcpu;