search for: track_notifier_list

Displaying 7 results from an estimated 7 matches for "track_notifier_list".

2020 Jul 21
0
[PATCH v9 34/84] KVM: x86: page_track: add support for preread, prewrite and preexec
...kvm_page_track_preread(struct kvm_vcpu *vcpu, gpa_t gpa, gva_t gva, + int bytes) +{ + struct kvm_page_track_notifier_head *head; + struct kvm_page_track_notifier_node *n; + int idx; + bool ret = true; + + head = &vcpu->kvm->arch.track_notifier_head; + + if (hlist_empty(&head->track_notifier_list)) + return ret; + + idx = srcu_read_lock(&head->track_srcu); + hlist_for_each_entry_rcu(n, &head->track_notifier_list, node) + if (n->track_preread) + if (!n->track_preread(vcpu, gpa, gva, bytes, n)) + ret = false; + srcu_read_unlock(&head->track_srcu, idx); + retu...
2020 Feb 07
0
[RFC PATCH v7 31/78] KVM: x86: page track: add track_create_slot() callback
...uct kvm_page_track_notifier_node *n; + int idx; int i; for (i = 0; i < KVM_PAGE_TRACK_MAX; i++) { @@ -45,6 +48,17 @@ int kvm_page_track_create_memslot(struct kvm_memory_slot *slot, goto track_free; } + head = &kvm->arch.track_notifier_head; + + if (hlist_empty(&head->track_notifier_list)) + return 0; + + idx = srcu_read_lock(&head->track_srcu); + hlist_for_each_entry_rcu(n, &head->track_notifier_list, node) + if (n->track_create_slot) + n->track_create_slot(kvm, slot, npages, n); + srcu_read_unlock(&head->track_srcu, idx); + return 0; track_free...
2020 Feb 07
0
[RFC PATCH v7 30/78] KVM: x86: page track: provide all page tracking hooks with the guest virtual address
...u8 *new, int bytes) { struct kvm_page_track_notifier_head *head; struct kvm_page_track_notifier_node *n; @@ -235,7 +235,7 @@ void kvm_page_track_write(struct kvm_vcpu *vcpu, gpa_t gpa, const u8 *new, idx = srcu_read_lock(&head->track_srcu); hlist_for_each_entry_rcu(n, &head->track_notifier_list, node) if (n->track_write) - n->track_write(vcpu, gpa, new, bytes, n); + n->track_write(vcpu, gpa, gva, new, bytes, n); srcu_read_unlock(&head->track_srcu, idx); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 4565f3cce201..0dd43cf5d2b1 100644 --- a/arch/x86...
2020 Feb 07
78
[RFC PATCH v7 00/78] VM introspection
The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place
2020 Jul 21
87
[PATCH v9 00/84] VM introspection
The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VMs (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place
2019 Aug 09
117
[RFC PATCH v6 00/92] VM introspection
The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place
2019 Aug 09
117
[RFC PATCH v6 00/92] VM introspection
The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place