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KVM VMX changes for 6.5:

Browse source 
- Fix missing/incorrect #GP checks on ENCLS
 
  - Use standard mmu_notifier hooks for handling APIC access page
 
  - Misc cleanups
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Merge tag 'kvm-x86-vmx-6.5' of https://github.com/kvm-x86/linux into HEAD

KVM VMX changes for 6.5:

 - Fix missing/incorrect #GP checks on ENCLS

 - Use standard mmu_notifier hooks for handling APIC access page

 - Misc cleanups
This commit is contained in:
Paolo Bonzini 2023-07-01 07:20:04 -04:00
commit 255006adb3
10 changed files with 73 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

18
virt/kvm/kvm_main.c
View file

@ -154,11 +154,6 @@ static unsigned long long kvm_active_vms;
static DEFINE_PER_CPU(cpumask_var_t, cpu_kick_mask);
__weak void kvm_arch_mmu_notifier_invalidate_range(struct kvm *kvm,
unsigned long start, unsigned long end)
{
}
__weak void kvm_arch_guest_memory_reclaimed(struct kvm *kvm)
{
}
@ -521,18 +516,6 @@ static inline struct kvm *mmu_notifier_to_kvm(struct mmu_notifier *mn)
return container_of(mn, struct kvm, mmu_notifier);
}
static void kvm_mmu_notifier_invalidate_range(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start, unsigned long end)
{
struct kvm *kvm = mmu_notifier_to_kvm(mn);
int idx;
idx = srcu_read_lock(&kvm->srcu);
kvm_arch_mmu_notifier_invalidate_range(kvm, start, end);
srcu_read_unlock(&kvm->srcu, idx);
}
typedef bool (*hva_handler_t)(struct kvm *kvm, struct kvm_gfn_range *range);
typedef void (*on_lock_fn_t)(struct kvm *kvm, unsigned long start,
@ -910,7 +893,6 @@ static void kvm_mmu_notifier_release(struct mmu_notifier *mn,
}
static const struct mmu_notifier_ops kvm_mmu_notifier_ops = {
.invalidate_range = kvm_mmu_notifier_invalidate_range,
.invalidate_range_start = kvm_mmu_notifier_invalidate_range_start,
.invalidate_range_end = kvm_mmu_notifier_invalidate_range_end,
.clear_flush_young = kvm_mmu_notifier_clear_flush_young,