From: "Adalbert Lazăr" <alazar@bitdefender.com> To: kvm@vger.kernel.org Cc: virtualization@lists.linux-foundation.org, "Paolo Bonzini" <pbonzini@redhat.com>, "Adalbert Lazăr" <alazar@bitdefender.com> Subject: [PATCH v10 48/81] KVM: introspection: add KVMI_VM_PAUSE_VCPU Date: Wed, 25 Nov 2020 11:35:27 +0200 [thread overview] Message-ID: <20201125093600.2766-49-alazar@bitdefender.com> (raw) In-Reply-To: <20201125093600.2766-1-alazar@bitdefender.com> This command increments a pause requests counter for a vCPU and kicks it out of guest. The introspection tool can pause a VM by sending this command for all vCPUs. If it sets 'wait=1', it can consider that the VM is paused when it receives the reply for the last KVMI_VM_PAUSE_VCPU command. Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 39 +++++++++++++++ include/linux/kvmi_host.h | 2 + include/uapi/linux/kvmi.h | 8 ++++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 30 ++++++++++++ virt/kvm/introspection/kvmi.c | 47 +++++++++++++++++-- virt/kvm/introspection/kvmi_int.h | 1 + virt/kvm/introspection/kvmi_msg.c | 24 ++++++++++ 7 files changed, 147 insertions(+), 4 deletions(-) diff --git a/Documentation/virt/kvm/kvmi.rst b/Documentation/virt/kvm/kvmi.rst index 902ced4dd0c4..a71fb78d546e 100644 --- a/Documentation/virt/kvm/kvmi.rst +++ b/Documentation/virt/kvm/kvmi.rst @@ -470,6 +470,45 @@ Returns the TSC frequency (in HZ) for the specified vCPU if available * -KVM_EINVAL - the selected vCPU is invalid * -KVM_EAGAIN - the selected vCPU can't be introspected yet +9. KVMI_VM_PAUSE_VCPU +--------------------- + +:Architectures: all +:Versions: >= 1 +:Parameters: + +:: + + struct kvmi_vm_pause_vcpu { + __u16 vcpu; + __u8 wait; + __u8 padding1; + __u32 padding2; + }; + +:Returns: + +:: + + struct kvmi_error_code; + +Kicks the vCPU out of guest. + +If `wait` is 1, the command will wait for vCPU to acknowledge the IPI. + +The vCPU will handle the pending commands/events and send the +*KVMI_VCPU_EVENT_PAUSE* event (one for every successful *KVMI_VM_PAUSE_VCPU* +command) before returning to guest. + +:Errors: + +* -KVM_EINVAL - the padding is not zero +* -KVM_EINVAL - the selected vCPU is invalid +* -KVM_EAGAIN - the selected vCPU can't be introspected yet +* -KVM_EBUSY - the selected vCPU has too many queued + *KVMI_VCPU_EVENT_PAUSE* events +* -KVM_EPERM - the *KVMI_VCPU_EVENT_PAUSE* event is disallowed + Events ====== diff --git a/include/linux/kvmi_host.h b/include/linux/kvmi_host.h index 736edb400c05..59e645d9ea34 100644 --- a/include/linux/kvmi_host.h +++ b/include/linux/kvmi_host.h @@ -18,6 +18,8 @@ struct kvm_vcpu_introspection { struct list_head job_list; spinlock_t job_lock; + + atomic_t pause_requests; }; struct kvm_introspection { diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index da766427231e..bb90d03f059b 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -26,6 +26,7 @@ enum { KVMI_VM_CONTROL_EVENTS = KVMI_VM_MESSAGE_ID(5), KVMI_VM_READ_PHYSICAL = KVMI_VM_MESSAGE_ID(6), KVMI_VM_WRITE_PHYSICAL = KVMI_VM_MESSAGE_ID(7), + KVMI_VM_PAUSE_VCPU = KVMI_VM_MESSAGE_ID(8), KVMI_NEXT_VM_MESSAGE }; @@ -115,4 +116,11 @@ struct kvmi_vcpu_hdr { __u32 padding2; }; +struct kvmi_vm_pause_vcpu { + __u16 vcpu; + __u8 wait; + __u8 padding1; + __u32 padding2; +}; + #endif /* _UAPI__LINUX_KVMI_H */ diff --git a/tools/testing/selftests/kvm/x86_64/kvmi_test.c b/tools/testing/selftests/kvm/x86_64/kvmi_test.c index 9350ba8b7f9b..52765ca3f9c8 100644 --- a/tools/testing/selftests/kvm/x86_64/kvmi_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvmi_test.c @@ -671,6 +671,35 @@ static void test_cmd_vcpu_get_info(struct kvm_vm *vm) &rpl, sizeof(rpl), -KVM_EINVAL); } +static void cmd_vcpu_pause(__u8 wait, int expected_err) +{ + struct { + struct kvmi_msg_hdr hdr; + struct kvmi_vm_pause_vcpu cmd; + } req = {}; + __u16 vcpu_idx = 0; + + req.cmd.wait = wait; + req.cmd.vcpu = vcpu_idx; + + test_vm_command(KVMI_VM_PAUSE_VCPU, &req.hdr, sizeof(req), NULL, 0, expected_err); +} + +static void pause_vcpu(void) +{ + cmd_vcpu_pause(1, 0); +} + +static void test_pause(struct kvm_vm *vm) +{ + __u8 wait = 1, wait_inval = 2; + + pause_vcpu(); + + cmd_vcpu_pause(wait, 0); + cmd_vcpu_pause(wait_inval, -KVM_EINVAL); +} + static void test_introspection(struct kvm_vm *vm) { srandom(time(0)); @@ -686,6 +715,7 @@ static void test_introspection(struct kvm_vm *vm) test_cmd_vm_control_events(vm); test_memory_access(vm); test_cmd_vcpu_get_info(vm); + test_pause(vm); unhook_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index b608751780fc..4999132a65bc 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -17,6 +17,8 @@ #define KVMI_MSG_SIZE_ALLOC (sizeof(struct kvmi_msg_hdr) + KVMI_MAX_MSG_SIZE) +#define MAX_PAUSE_REQUESTS 1001 + static DECLARE_BITMAP(Kvmi_always_allowed_commands, KVMI_NUM_COMMANDS); static DECLARE_BITMAP(Kvmi_known_events, KVMI_NUM_EVENTS); static DECLARE_BITMAP(Kvmi_known_vm_events, KVMI_NUM_EVENTS); @@ -124,10 +126,14 @@ void kvmi_uninit(void) kvmi_cache_destroy(); } -static void kvmi_make_request(struct kvm_vcpu *vcpu) +static void kvmi_make_request(struct kvm_vcpu *vcpu, bool wait) { kvm_make_request(KVM_REQ_INTROSPECTION, vcpu); - kvm_vcpu_kick(vcpu); + + if (wait) + kvm_vcpu_kick_and_wait(vcpu); + else + kvm_vcpu_kick(vcpu); } static int __kvmi_add_job(struct kvm_vcpu *vcpu, @@ -162,7 +168,7 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, err = __kvmi_add_job(vcpu, fct, ctx, free_fct); if (!err) - kvmi_make_request(vcpu); + kvmi_make_request(vcpu, false); return err; } @@ -359,6 +365,9 @@ static int __kvmi_hook(struct kvm *kvm, static void kvmi_job_release_vcpu(struct kvm_vcpu *vcpu, void *ctx) { + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + atomic_set(&vcpui->pause_requests, 0); } static void kvmi_release_vcpus(struct kvm *kvm) @@ -730,15 +739,45 @@ void kvmi_run_jobs(struct kvm_vcpu *vcpu) } } +static void kvmi_vcpu_pause_event(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + atomic_dec(&vcpui->pause_requests); + /* to be implemented */ +} + void kvmi_handle_requests(struct kvm_vcpu *vcpu) { + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); struct kvm_introspection *kvmi; kvmi = kvmi_get(vcpu->kvm); if (!kvmi) return; - kvmi_run_jobs(vcpu); + for (;;) { + kvmi_run_jobs(vcpu); + + if (atomic_read(&vcpui->pause_requests)) + kvmi_vcpu_pause_event(vcpu); + else + break; + } kvmi_put(vcpu->kvm); } + +int kvmi_cmd_vcpu_pause(struct kvm_vcpu *vcpu, bool wait) +{ + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + if (atomic_read(&vcpui->pause_requests) > MAX_PAUSE_REQUESTS) + return -KVM_EBUSY; + + atomic_inc(&vcpui->pause_requests); + + kvmi_make_request(vcpu, wait); + + return 0; +} diff --git a/virt/kvm/introspection/kvmi_int.h b/virt/kvm/introspection/kvmi_int.h index 126e72201518..f1caa67dbdc3 100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -55,6 +55,7 @@ int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, size_t size, const struct kvmi_msg_hdr *ctx); int kvmi_cmd_write_physical(struct kvm *kvm, u64 gpa, size_t size, const void *buf); +int kvmi_cmd_vcpu_pause(struct kvm_vcpu *vcpu, bool wait); /* arch */ void kvmi_arch_init_vcpu_events_mask(unsigned long *supported); diff --git a/virt/kvm/introspection/kvmi_msg.c b/virt/kvm/introspection/kvmi_msg.c index efd04b4aa4ff..02bdec5bfbe7 100644 --- a/virt/kvm/introspection/kvmi_msg.c +++ b/virt/kvm/introspection/kvmi_msg.c @@ -245,6 +245,29 @@ static int handle_vm_write_physical(struct kvm_introspection *kvmi, return kvmi_msg_vm_reply(kvmi, msg, ec, NULL, 0); } +static int handle_vm_pause_vcpu(struct kvm_introspection *kvmi, + const struct kvmi_msg_hdr *msg, + const void *_req) +{ + const struct kvmi_vm_pause_vcpu *req = _req; + struct kvm_vcpu *vcpu; + int err; + + if (req->wait > 1 || req->padding1 || req->padding2) { + err = -KVM_EINVAL; + goto reply; + } + + vcpu = kvmi_get_vcpu(kvmi, req->vcpu); + if (!vcpu) + err = -KVM_EINVAL; + else + err = kvmi_cmd_vcpu_pause(vcpu, req->wait == 1); + +reply: + return kvmi_msg_vm_reply(kvmi, msg, err, NULL, 0); +} + /* * These commands are executed by the receiving thread. */ @@ -254,6 +277,7 @@ static kvmi_vm_msg_fct const msg_vm[] = { [KVMI_VM_CHECK_EVENT] = handle_vm_check_event, [KVMI_VM_CONTROL_EVENTS] = handle_vm_control_events, [KVMI_VM_GET_INFO] = handle_vm_get_info, + [KVMI_VM_PAUSE_VCPU] = handle_vm_pause_vcpu, [KVMI_VM_READ_PHYSICAL] = handle_vm_read_physical, [KVMI_VM_WRITE_PHYSICAL] = handle_vm_write_physical, };
WARNING: multiple messages have this Message-ID (diff)
From: "Adalbert Lazăr" <alazar@bitdefender.com> To: kvm@vger.kernel.org Cc: "Adalbert Lazăr" <alazar@bitdefender.com>, "Paolo Bonzini" <pbonzini@redhat.com>, virtualization@lists.linux-foundation.org Subject: [PATCH v10 48/81] KVM: introspection: add KVMI_VM_PAUSE_VCPU Date: Wed, 25 Nov 2020 11:35:27 +0200 [thread overview] Message-ID: <20201125093600.2766-49-alazar@bitdefender.com> (raw) In-Reply-To: <20201125093600.2766-1-alazar@bitdefender.com> This command increments a pause requests counter for a vCPU and kicks it out of guest. The introspection tool can pause a VM by sending this command for all vCPUs. If it sets 'wait=1', it can consider that the VM is paused when it receives the reply for the last KVMI_VM_PAUSE_VCPU command. Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com> --- Documentation/virt/kvm/kvmi.rst | 39 +++++++++++++++ include/linux/kvmi_host.h | 2 + include/uapi/linux/kvmi.h | 8 ++++ .../testing/selftests/kvm/x86_64/kvmi_test.c | 30 ++++++++++++ virt/kvm/introspection/kvmi.c | 47 +++++++++++++++++-- virt/kvm/introspection/kvmi_int.h | 1 + virt/kvm/introspection/kvmi_msg.c | 24 ++++++++++ 7 files changed, 147 insertions(+), 4 deletions(-) diff --git a/Documentation/virt/kvm/kvmi.rst b/Documentation/virt/kvm/kvmi.rst index 902ced4dd0c4..a71fb78d546e 100644 --- a/Documentation/virt/kvm/kvmi.rst +++ b/Documentation/virt/kvm/kvmi.rst @@ -470,6 +470,45 @@ Returns the TSC frequency (in HZ) for the specified vCPU if available * -KVM_EINVAL - the selected vCPU is invalid * -KVM_EAGAIN - the selected vCPU can't be introspected yet +9. KVMI_VM_PAUSE_VCPU +--------------------- + +:Architectures: all +:Versions: >= 1 +:Parameters: + +:: + + struct kvmi_vm_pause_vcpu { + __u16 vcpu; + __u8 wait; + __u8 padding1; + __u32 padding2; + }; + +:Returns: + +:: + + struct kvmi_error_code; + +Kicks the vCPU out of guest. + +If `wait` is 1, the command will wait for vCPU to acknowledge the IPI. + +The vCPU will handle the pending commands/events and send the +*KVMI_VCPU_EVENT_PAUSE* event (one for every successful *KVMI_VM_PAUSE_VCPU* +command) before returning to guest. + +:Errors: + +* -KVM_EINVAL - the padding is not zero +* -KVM_EINVAL - the selected vCPU is invalid +* -KVM_EAGAIN - the selected vCPU can't be introspected yet +* -KVM_EBUSY - the selected vCPU has too many queued + *KVMI_VCPU_EVENT_PAUSE* events +* -KVM_EPERM - the *KVMI_VCPU_EVENT_PAUSE* event is disallowed + Events ====== diff --git a/include/linux/kvmi_host.h b/include/linux/kvmi_host.h index 736edb400c05..59e645d9ea34 100644 --- a/include/linux/kvmi_host.h +++ b/include/linux/kvmi_host.h @@ -18,6 +18,8 @@ struct kvm_vcpu_introspection { struct list_head job_list; spinlock_t job_lock; + + atomic_t pause_requests; }; struct kvm_introspection { diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index da766427231e..bb90d03f059b 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -26,6 +26,7 @@ enum { KVMI_VM_CONTROL_EVENTS = KVMI_VM_MESSAGE_ID(5), KVMI_VM_READ_PHYSICAL = KVMI_VM_MESSAGE_ID(6), KVMI_VM_WRITE_PHYSICAL = KVMI_VM_MESSAGE_ID(7), + KVMI_VM_PAUSE_VCPU = KVMI_VM_MESSAGE_ID(8), KVMI_NEXT_VM_MESSAGE }; @@ -115,4 +116,11 @@ struct kvmi_vcpu_hdr { __u32 padding2; }; +struct kvmi_vm_pause_vcpu { + __u16 vcpu; + __u8 wait; + __u8 padding1; + __u32 padding2; +}; + #endif /* _UAPI__LINUX_KVMI_H */ diff --git a/tools/testing/selftests/kvm/x86_64/kvmi_test.c b/tools/testing/selftests/kvm/x86_64/kvmi_test.c index 9350ba8b7f9b..52765ca3f9c8 100644 --- a/tools/testing/selftests/kvm/x86_64/kvmi_test.c +++ b/tools/testing/selftests/kvm/x86_64/kvmi_test.c @@ -671,6 +671,35 @@ static void test_cmd_vcpu_get_info(struct kvm_vm *vm) &rpl, sizeof(rpl), -KVM_EINVAL); } +static void cmd_vcpu_pause(__u8 wait, int expected_err) +{ + struct { + struct kvmi_msg_hdr hdr; + struct kvmi_vm_pause_vcpu cmd; + } req = {}; + __u16 vcpu_idx = 0; + + req.cmd.wait = wait; + req.cmd.vcpu = vcpu_idx; + + test_vm_command(KVMI_VM_PAUSE_VCPU, &req.hdr, sizeof(req), NULL, 0, expected_err); +} + +static void pause_vcpu(void) +{ + cmd_vcpu_pause(1, 0); +} + +static void test_pause(struct kvm_vm *vm) +{ + __u8 wait = 1, wait_inval = 2; + + pause_vcpu(); + + cmd_vcpu_pause(wait, 0); + cmd_vcpu_pause(wait_inval, -KVM_EINVAL); +} + static void test_introspection(struct kvm_vm *vm) { srandom(time(0)); @@ -686,6 +715,7 @@ static void test_introspection(struct kvm_vm *vm) test_cmd_vm_control_events(vm); test_memory_access(vm); test_cmd_vcpu_get_info(vm); + test_pause(vm); unhook_introspection(vm); } diff --git a/virt/kvm/introspection/kvmi.c b/virt/kvm/introspection/kvmi.c index b608751780fc..4999132a65bc 100644 --- a/virt/kvm/introspection/kvmi.c +++ b/virt/kvm/introspection/kvmi.c @@ -17,6 +17,8 @@ #define KVMI_MSG_SIZE_ALLOC (sizeof(struct kvmi_msg_hdr) + KVMI_MAX_MSG_SIZE) +#define MAX_PAUSE_REQUESTS 1001 + static DECLARE_BITMAP(Kvmi_always_allowed_commands, KVMI_NUM_COMMANDS); static DECLARE_BITMAP(Kvmi_known_events, KVMI_NUM_EVENTS); static DECLARE_BITMAP(Kvmi_known_vm_events, KVMI_NUM_EVENTS); @@ -124,10 +126,14 @@ void kvmi_uninit(void) kvmi_cache_destroy(); } -static void kvmi_make_request(struct kvm_vcpu *vcpu) +static void kvmi_make_request(struct kvm_vcpu *vcpu, bool wait) { kvm_make_request(KVM_REQ_INTROSPECTION, vcpu); - kvm_vcpu_kick(vcpu); + + if (wait) + kvm_vcpu_kick_and_wait(vcpu); + else + kvm_vcpu_kick(vcpu); } static int __kvmi_add_job(struct kvm_vcpu *vcpu, @@ -162,7 +168,7 @@ int kvmi_add_job(struct kvm_vcpu *vcpu, err = __kvmi_add_job(vcpu, fct, ctx, free_fct); if (!err) - kvmi_make_request(vcpu); + kvmi_make_request(vcpu, false); return err; } @@ -359,6 +365,9 @@ static int __kvmi_hook(struct kvm *kvm, static void kvmi_job_release_vcpu(struct kvm_vcpu *vcpu, void *ctx) { + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + atomic_set(&vcpui->pause_requests, 0); } static void kvmi_release_vcpus(struct kvm *kvm) @@ -730,15 +739,45 @@ void kvmi_run_jobs(struct kvm_vcpu *vcpu) } } +static void kvmi_vcpu_pause_event(struct kvm_vcpu *vcpu) +{ + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + atomic_dec(&vcpui->pause_requests); + /* to be implemented */ +} + void kvmi_handle_requests(struct kvm_vcpu *vcpu) { + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); struct kvm_introspection *kvmi; kvmi = kvmi_get(vcpu->kvm); if (!kvmi) return; - kvmi_run_jobs(vcpu); + for (;;) { + kvmi_run_jobs(vcpu); + + if (atomic_read(&vcpui->pause_requests)) + kvmi_vcpu_pause_event(vcpu); + else + break; + } kvmi_put(vcpu->kvm); } + +int kvmi_cmd_vcpu_pause(struct kvm_vcpu *vcpu, bool wait) +{ + struct kvm_vcpu_introspection *vcpui = VCPUI(vcpu); + + if (atomic_read(&vcpui->pause_requests) > MAX_PAUSE_REQUESTS) + return -KVM_EBUSY; + + atomic_inc(&vcpui->pause_requests); + + kvmi_make_request(vcpu, wait); + + return 0; +} diff --git a/virt/kvm/introspection/kvmi_int.h b/virt/kvm/introspection/kvmi_int.h index 126e72201518..f1caa67dbdc3 100644 --- a/virt/kvm/introspection/kvmi_int.h +++ b/virt/kvm/introspection/kvmi_int.h @@ -55,6 +55,7 @@ int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, size_t size, const struct kvmi_msg_hdr *ctx); int kvmi_cmd_write_physical(struct kvm *kvm, u64 gpa, size_t size, const void *buf); +int kvmi_cmd_vcpu_pause(struct kvm_vcpu *vcpu, bool wait); /* arch */ void kvmi_arch_init_vcpu_events_mask(unsigned long *supported); diff --git a/virt/kvm/introspection/kvmi_msg.c b/virt/kvm/introspection/kvmi_msg.c index efd04b4aa4ff..02bdec5bfbe7 100644 --- a/virt/kvm/introspection/kvmi_msg.c +++ b/virt/kvm/introspection/kvmi_msg.c @@ -245,6 +245,29 @@ static int handle_vm_write_physical(struct kvm_introspection *kvmi, return kvmi_msg_vm_reply(kvmi, msg, ec, NULL, 0); } +static int handle_vm_pause_vcpu(struct kvm_introspection *kvmi, + const struct kvmi_msg_hdr *msg, + const void *_req) +{ + const struct kvmi_vm_pause_vcpu *req = _req; + struct kvm_vcpu *vcpu; + int err; + + if (req->wait > 1 || req->padding1 || req->padding2) { + err = -KVM_EINVAL; + goto reply; + } + + vcpu = kvmi_get_vcpu(kvmi, req->vcpu); + if (!vcpu) + err = -KVM_EINVAL; + else + err = kvmi_cmd_vcpu_pause(vcpu, req->wait == 1); + +reply: + return kvmi_msg_vm_reply(kvmi, msg, err, NULL, 0); +} + /* * These commands are executed by the receiving thread. */ @@ -254,6 +277,7 @@ static kvmi_vm_msg_fct const msg_vm[] = { [KVMI_VM_CHECK_EVENT] = handle_vm_check_event, [KVMI_VM_CONTROL_EVENTS] = handle_vm_control_events, [KVMI_VM_GET_INFO] = handle_vm_get_info, + [KVMI_VM_PAUSE_VCPU] = handle_vm_pause_vcpu, [KVMI_VM_READ_PHYSICAL] = handle_vm_read_physical, [KVMI_VM_WRITE_PHYSICAL] = handle_vm_write_physical, }; _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
next prev parent reply other threads:[~2020-11-25 9:42 UTC|newest] Thread overview: 192+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-25 9:34 [PATCH v10 00/81] VM introspection Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 01/81] KVM: UAPI: add error codes used by the VM introspection code Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 02/81] KVM: add kvm_vcpu_kick_and_wait() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 03/81] KVM: add kvm_get_max_gfn() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 04/81] KVM: doc: fix the hypercalls numbering Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 05/81] KVM: x86: add kvm_arch_vcpu_get_regs() and kvm_arch_vcpu_get_sregs() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 06/81] KVM: x86: add kvm_arch_vcpu_set_regs() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 07/81] KVM: x86: avoid injecting #PF when emulate the VMCALL instruction Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 08/81] KVM: x86: add kvm_x86_ops.bp_intercepted() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 09/81] KVM: x86: add kvm_x86_ops.control_cr3_intercept() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 10/81] KVM: x86: add kvm_x86_ops.cr3_write_intercepted() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 11/81] KVM: x86: add kvm_x86_ops.desc_ctrl_supported() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 12/81] KVM: svm: add support for descriptor-table VM-exits Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 13/81] KVM: x86: add kvm_x86_ops.control_desc_intercept() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 14/81] KVM: x86: add kvm_x86_ops.desc_intercepted() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 15/81] KVM: x86: add kvm_x86_ops.msr_write_intercepted() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 16/81] KVM: x86: svm: use the vmx convention to control the MSR interception Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 17/81] KVM: x86: add kvm_x86_ops.control_msr_intercept() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 18/81] KVM: x86: vmx: use a symbolic constant when checking the exit qualifications Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 19/81] KVM: x86: save the error code during EPT/NPF exits handling Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:34 ` [PATCH v10 20/81] KVM: x86: add kvm_x86_ops.fault_gla() Adalbert Lazăr 2020-11-25 9:34 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 21/81] KVM: x86: add kvm_x86_ops.control_singlestep() Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 22/81] KVM: x86: export kvm_arch_vcpu_set_guest_debug() Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 23/81] KVM: x86: extend kvm_mmu_gva_to_gpa_system() with the 'access' parameter Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 24/81] KVM: x86: export kvm_inject_pending_exception() Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 25/81] KVM: x86: export kvm_vcpu_ioctl_x86_get_xsave() Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 12:19 ` kernel test robot 2020-11-25 12:19 ` kernel test robot 2020-11-25 12:19 ` kernel test robot 2020-11-25 12:24 ` kernel test robot 2020-11-25 12:24 ` kernel test robot 2020-11-25 12:24 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 26/81] KVM: x86: export kvm_vcpu_ioctl_x86_set_xsave() Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 27/81] KVM: x86: page track: provide all callbacks with the guest virtual address Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 28/81] KVM: x86: page track: add track_create_slot() callback Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 29/81] KVM: x86: page_track: add support for preread, prewrite and preexec Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 30/81] KVM: x86: wire in the preread/prewrite/preexec page trackers Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 31/81] KVM: x86: disable gpa_available optimization for fetch and page-walk SPT violations Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 32/81] KVM: introduce VM introspection Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 12:45 ` kernel test robot 2020-11-25 12:45 ` kernel test robot 2020-11-25 12:45 ` kernel test robot 2020-11-25 13:41 ` kernel test robot 2020-11-25 13:41 ` kernel test robot 2020-11-25 13:41 ` kernel test robot 2020-11-25 16:24 ` kernel test robot 2020-11-25 16:24 ` kernel test robot 2020-11-25 16:24 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 33/81] KVM: introspection: add hook/unhook ioctls Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 11:49 ` kernel test robot 2020-11-25 11:49 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 34/81] KVM: introspection: add permission access ioctls Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 35/81] KVM: introspection: add the read/dispatch message function Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 36/81] KVM: introspection: add KVMI_GET_VERSION Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 37/81] KVM: introspection: add KVMI_VM_CHECK_COMMAND and KVMI_VM_CHECK_EVENT Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 38/81] KVM: introspection: add KVMI_VM_GET_INFO Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 39/81] KVM: introspection: add KVM_INTROSPECTION_PREUNHOOK Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 40/81] KVM: introspection: add KVMI_VM_EVENT_UNHOOK Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 41/81] KVM: introspection: add KVMI_VM_CONTROL_EVENTS Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 42/81] KVM: introspection: add KVMI_VM_READ_PHYSICAL/KVMI_VM_WRITE_PHYSICAL Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 43/81] KVM: introspection: add vCPU related data Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 44/81] KVM: introspection: add a jobs list to every introspected vCPU Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 45/81] KVM: introspection: handle vCPU introspection requests Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 46/81] KVM: introspection: handle vCPU commands Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 47/81] KVM: introspection: add KVMI_VCPU_GET_INFO Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr [this message] 2020-11-25 9:35 ` [PATCH v10 48/81] KVM: introspection: add KVMI_VM_PAUSE_VCPU Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 49/81] KVM: introspection: add support for vCPU events Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 50/81] KVM: introspection: add KVMI_VCPU_EVENT_PAUSE Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 51/81] KVM: introspection: add the crash action handling on the event reply Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 52/81] KVM: introspection: add KVMI_VCPU_CONTROL_EVENTS Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 53/81] KVM: introspection: add KVMI_VCPU_GET_REGISTERS Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 54/81] KVM: introspection: add KVMI_VCPU_SET_REGISTERS Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 55/81] KVM: introspection: add KVMI_VCPU_GET_CPUID Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 56/81] KVM: introspection: add KVMI_VCPU_EVENT_HYPERCALL Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 57/81] KVM: introspection: add KVMI_VCPU_EVENT_BREAKPOINT Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 58/81] KVM: introspection: add cleanup support for vCPUs Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 59/81] KVM: introspection: restore the state of #BP interception on unhook Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 60/81] KVM: introspection: add KVMI_VM_CONTROL_CLEANUP Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 61/81] KVM: introspection: add KVMI_VCPU_CONTROL_CR and KVMI_VCPU_EVENT_CR Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 62/81] KVM: introspection: restore the state of CR3 interception on unhook Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 63/81] KVM: introspection: add KVMI_VCPU_INJECT_EXCEPTION + KVMI_VCPU_EVENT_TRAP Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 12:57 ` kernel test robot 2020-11-25 12:57 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 64/81] KVM: introspection: add KVMI_VM_GET_MAX_GFN Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 65/81] KVM: introspection: add KVMI_VCPU_EVENT_XSETBV Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 66/81] KVM: introspection: add KVMI_VCPU_GET_XCR Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 15:22 ` kernel test robot 2020-11-25 15:22 ` kernel test robot 2020-11-25 15:22 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 67/81] KVM: introspection: add KVMI_VCPU_GET_XSAVE Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 13:50 ` kernel test robot 2020-11-25 13:50 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 68/81] KVM: introspection: add KVMI_VCPU_SET_XSAVE Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 69/81] KVM: introspection: add KVMI_VCPU_GET_MTRR_TYPE Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 70/81] KVM: introspection: add KVMI_VCPU_EVENT_DESCRIPTOR Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 71/81] KVM: introspection: restore the state of descriptor-table register interception on unhook Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 72/81] KVM: introspection: add KVMI_VCPU_CONTROL_MSR and KVMI_VCPU_EVENT_MSR Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 73/81] KVM: introspection: restore the state of MSR interception on unhook Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 74/81] KVM: introspection: add KVMI_VM_SET_PAGE_ACCESS Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 75/81] KVM: introspection: add KVMI_VCPU_EVENT_PF Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 14:44 ` kernel test robot 2020-11-25 14:44 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 76/81] KVM: introspection: extend KVMI_GET_VERSION with struct kvmi_features Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 77/81] KVM: introspection: add KVMI_VCPU_CONTROL_SINGLESTEP Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 78/81] KVM: introspection: add KVMI_VCPU_EVENT_SINGLESTEP Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:35 ` [PATCH v10 79/81] KVM: introspection: add KVMI_VCPU_TRANSLATE_GVA Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 15:46 ` kernel test robot 2020-11-25 15:46 ` kernel test robot 2020-11-25 9:35 ` [PATCH v10 80/81] KVM: introspection: emulate a guest page table walk on SPT violations due to A/D bit updates Adalbert Lazăr 2020-11-25 9:35 ` Adalbert Lazăr 2020-11-25 9:36 ` [PATCH v10 81/81] KVM: x86: call the page tracking code on emulation failure Adalbert Lazăr 2020-11-25 9:36 ` Adalbert Lazăr
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