Displaying 7 results from an estimated 7 matches for "kvmi_free_job".
2019 Aug 09
0
[RFC PATCH v6 13/92] kvm: introspection: make the vCPU wait even when its jobs list is empty
...\
+ if (!(condition)) \
+ __ret = __swait_event_killable(wq, condition); \
+ __ret; \
+})
+
#endif /* _LINUX_SWAIT_H */
diff --git a/virt/kvm/kvmi.c b/virt/kvm/kvmi.c
index 07ebd1c629b0..3c884dc0e38c 100644
--- a/virt/kvm/kvmi.c
+++ b/virt/kvm/kvmi.c
@@ -135,6 +135,19 @@ static void kvmi_free_job(struct kvmi_job *job)
kmem_cache_free(job_cache, job);
}
+static struct kvmi_job *kvmi_pull_job(struct kvmi_vcpu *ivcpu)
+{
+ struct kvmi_job *job = NULL;
+
+ spin_lock(&ivcpu->job_lock);
+ job = list_first_entry_or_null(&ivcpu->job_list, typeof(*job), link);
+ if (job)
+ list_d...
2020 Feb 07
0
[RFC PATCH v7 47/78] KVM: introspection: add a jobs list to every introspected vCPU
...st);
+ spin_unlock(&vcpui->job_lock);
+
+ return 0;
+}
+
+int kvmi_add_job(struct kvm_vcpu *vcpu,
+ void (*fct)(struct kvm_vcpu *vcpu, void *ctx),
+ void *ctx, void (*free_fct)(void *ctx))
+{
+ int err;
+
+ err = __kvmi_add_job(vcpu, fct, ctx, free_fct);
+
+ return err;
+}
+
+static void kvmi_free_job(struct kvmi_job *job)
+{
+ if (job->free_fct)
+ job->free_fct(job->ctx);
+
+ kmem_cache_free(job_cache, job);
+}
+
static bool alloc_vcpui(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu_introspection *vcpui;
@@ -67,6 +115,9 @@ static bool alloc_vcpui(struct kvm_vcpu *vcpu)
if (!vcpui)...
2020 Feb 07
0
[RFC PATCH v7 48/78] KVM: introspection: handle vCPU introspection requests
...)
+ list_del(&job->link);
+ spin_unlock(&vcpui->job_lock);
+
+ return job;
+}
+
+void kvmi_run_jobs(struct kvm_vcpu *vcpu)
+{
+ struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu);
+ struct kvmi_job *job;
+
+ while ((job = kvmi_pull_job(vcpui))) {
+ job->fct(vcpu, job->ctx);
+ kvmi_free_job(job);
+ }
+}
+
+void kvmi_handle_requests(struct kvm_vcpu *vcpu)
+{
+ struct kvm_introspection *kvmi;
+
+ kvmi = kvmi_get(vcpu->kvm);
+ if (!kvmi)
+ return;
+
+ kvmi_run_jobs(vcpu);
+
+ kvmi_put(vcpu->kvm);
+}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index ef7d14ef8e86..b701254...
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
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
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