From: "Adalbert Lazăr" <alazar@bitdefender.com> To: kvm@vger.kernel.org Cc: linux-mm@kvack.org, virtualization@lists.linux-foundation.org, "Paolo Bonzini" <pbonzini@redhat.com>, "Radim Krčmář" <rkrcmar@redhat.com>, "Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>, "Tamas K Lengyel" <tamas@tklengyel.com>, "Mathieu Tarral" <mathieu.tarral@protonmail.com>, "Samuel Laurén" <samuel.lauren@iki.fi>, "Patrick Colp" <patrick.colp@oracle.com>, "Jan Kiszka" <jan.kiszka@siemens.com>, "Stefan Hajnoczi" <stefanha@redhat.com>, "Weijiang Yang" <weijiang.yang@intel.com>, Zhang@kvack.org, "Yu C" <yu.c.zhang@intel.com>, "Mihai Donțu" <mdontu@bitdefender.com>, "Adalbert Lazăr" <alazar@bitdefender.com>, "Nicușor Cîțu" <ncitu@bitdefender.com> Subject: [RFC PATCH v6 15/92] kvm: introspection: handle vCPU related introspection commands Date: Fri, 9 Aug 2019 18:59:30 +0300 [thread overview] Message-ID: <20190809160047.8319-16-alazar@bitdefender.com> (raw) In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> From: Mihai Donțu <mdontu@bitdefender.com> Following the common structure used for all messages (kvmi_msg_hdr), all vCPU related commands have another common structure (kvmi_vcpu_hdr). This allows the receiving worker to validate and dispatch the message to the proper vCPU (adding the handling function to its jobs list). Signed-off-by: Mihai Donțu <mdontu@bitdefender.com> Co-developed-by: Nicușor Cîțu <ncitu@bitdefender.com> Signed-off-by: Nicușor Cîțu <ncitu@bitdefender.com> Co-developed-by: Adalbert Lazăr <alazar@bitdefender.com> Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com> --- Documentation/virtual/kvm/kvmi.rst | 8 ++ include/uapi/linux/kvm_para.h | 4 +- include/uapi/linux/kvmi.h | 6 ++ virt/kvm/kvmi_int.h | 3 + virt/kvm/kvmi_msg.c | 159 ++++++++++++++++++++++++++++- 5 files changed, 177 insertions(+), 3 deletions(-) diff --git a/Documentation/virtual/kvm/kvmi.rst b/Documentation/virtual/kvm/kvmi.rst index a660def20b23..7f3c4f8fce63 100644 --- a/Documentation/virtual/kvm/kvmi.rst +++ b/Documentation/virtual/kvm/kvmi.rst @@ -232,6 +232,14 @@ The following C structures are meant to be used directly when communicating over the wire. The peer that detects any size mismatch should simply close the connection and report the error. +The commands related to vCPU-s start with:: + + struct kvmi_vcpu_hdr { + __u16 vcpu; + __u16 padding1; + __u32 padding2; + } + 1. KVMI_GET_VERSION ------------------- diff --git a/include/uapi/linux/kvm_para.h b/include/uapi/linux/kvm_para.h index 6c0ce49931e5..54c0e20f5b64 100644 --- a/include/uapi/linux/kvm_para.h +++ b/include/uapi/linux/kvm_para.h @@ -10,13 +10,15 @@ * - kvm_para_available */ -/* Return values for hypercalls */ +/* Return values for hypercalls and VM introspection */ #define KVM_ENOSYS 1000 #define KVM_EFAULT EFAULT #define KVM_EINVAL EINVAL #define KVM_E2BIG E2BIG #define KVM_EPERM EPERM #define KVM_EOPNOTSUPP 95 +#define KVM_EAGAIN 11 +#define KVM_ENOMEM ENOMEM #define KVM_HC_VAPIC_POLL_IRQ 1 #define KVM_HC_MMU_OP 2 diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index ff35faabb7ed..29452da818e3 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -114,4 +114,10 @@ struct kvmi_control_vm_events { __u32 padding2; }; +struct kvmi_vcpu_hdr { + __u16 vcpu; + __u16 padding1; + __u32 padding2; +}; + #endif /* _UAPI__LINUX_KVMI_H */ diff --git a/virt/kvm/kvmi_int.h b/virt/kvm/kvmi_int.h index 47418e9a86f6..33ea05cb99af 100644 --- a/virt/kvm/kvmi_int.h +++ b/virt/kvm/kvmi_int.h @@ -118,5 +118,8 @@ void *kvmi_msg_alloc_check(size_t size); void kvmi_msg_free(void *addr); int kvmi_cmd_control_vm_events(struct kvmi *ikvm, unsigned int event_id, bool enable); +int kvmi_add_job(struct kvm_vcpu *vcpu, + void (*fct)(struct kvm_vcpu *vcpu, void *ctx), + void *ctx, void (*free_fct)(void *ctx)); #endif diff --git a/virt/kvm/kvmi_msg.c b/virt/kvm/kvmi_msg.c index a55c9e35be36..2728e6870d47 100644 --- a/virt/kvm/kvmi_msg.c +++ b/virt/kvm/kvmi_msg.c @@ -8,6 +8,18 @@ #include <linux/net.h> #include "kvmi_int.h" +typedef int (*vcpu_reply_fct)(struct kvm_vcpu *vcpu, + const struct kvmi_msg_hdr *msg, int err, + const void *rpl, size_t rpl_size); + +struct kvmi_vcpu_cmd { + vcpu_reply_fct reply_cb; + struct { + struct kvmi_msg_hdr hdr; + struct kvmi_vcpu_hdr cmd; + } *msg; +}; + static const char *const msg_IDs[] = { [KVMI_CHECK_COMMAND] = "KVMI_CHECK_COMMAND", [KVMI_CHECK_EVENT] = "KVMI_CHECK_EVENT", @@ -165,6 +177,23 @@ static int kvmi_msg_vm_maybe_reply(struct kvmi *ikvm, return kvmi_msg_vm_reply(ikvm, msg, err, rpl, rpl_size); } +int kvmi_msg_vcpu_reply(struct kvm_vcpu *vcpu, + const struct kvmi_msg_hdr *msg, int err, + const void *rpl, size_t rpl_size) +{ + return kvmi_msg_reply(IKVM(vcpu->kvm), msg, err, rpl, rpl_size); +} + +int kvmi_msg_vcpu_drop_reply(struct kvm_vcpu *vcpu, + const struct kvmi_msg_hdr *msg, int err, + const void *rpl, size_t rpl_size) +{ + if (!kvmi_validate_no_reply(IKVM(vcpu->kvm), msg, rpl_size, err)) + return -KVM_EINVAL; + + return 0; +} + static int handle_get_version(struct kvmi *ikvm, const struct kvmi_msg_hdr *msg, const void *req) { @@ -248,6 +277,23 @@ static int handle_control_vm_events(struct kvmi *ikvm, return kvmi_msg_vm_maybe_reply(ikvm, msg, ec, NULL, 0); } +static int kvmi_get_vcpu(struct kvmi *ikvm, unsigned int vcpu_idx, + struct kvm_vcpu **dest) +{ + struct kvm *kvm = ikvm->kvm; + struct kvm_vcpu *vcpu; + + if (vcpu_idx >= atomic_read(&kvm->online_vcpus)) + return -KVM_EINVAL; + + vcpu = kvm_get_vcpu(kvm, vcpu_idx); + if (!vcpu) + return -KVM_EINVAL; + + *dest = vcpu; + return 0; +} + static int handle_control_cmd_response(struct kvmi *ikvm, const struct kvmi_msg_hdr *msg, const void *_req) @@ -273,6 +319,11 @@ static int handle_control_cmd_response(struct kvmi *ikvm, return err; } +static bool invalid_vcpu_hdr(const struct kvmi_vcpu_hdr *hdr) +{ + return hdr->padding1 || hdr->padding2; +} + /* * These commands are executed on the receiving thread/worker. */ @@ -286,16 +337,66 @@ static int(*const msg_vm[])(struct kvmi *, const struct kvmi_msg_hdr *, [KVMI_GET_VERSION] = handle_get_version, }; +/* + * These commands are executed on the vCPU thread. The receiving thread + * passes the messages using a newly allocated 'struct kvmi_vcpu_cmd' + * and signals the vCPU to handle the command (which includes + * sending back the reply). + */ +static int(*const msg_vcpu[])(struct kvm_vcpu *, + const struct kvmi_msg_hdr *, const void *, + vcpu_reply_fct) = { +}; + +static void kvmi_job_vcpu_cmd(struct kvm_vcpu *vcpu, void *_ctx) +{ + const struct kvmi_vcpu_cmd *ctx = _ctx; + size_t id = ctx->msg->hdr.id; + int err; + + err = msg_vcpu[id](vcpu, &ctx->msg->hdr, ctx->msg + 1, ctx->reply_cb); + + if (err) { + struct kvmi *ikvm = IKVM(vcpu->kvm); + + kvmi_err(ikvm, + "%s: cmd id: %zu (%s), err: %d\n", __func__, + id, id2str(id), err); + kvmi_sock_shutdown(ikvm); + } +} + +static void kvmi_free_ctx(void *_ctx) +{ + const struct kvmi_vcpu_cmd *ctx = _ctx; + + kvmi_msg_free(ctx->msg); + kfree(ctx); +} + +static int kvmi_msg_queue_to_vcpu(struct kvm_vcpu *vcpu, + const struct kvmi_vcpu_cmd *cmd) +{ + return kvmi_add_job(vcpu, kvmi_job_vcpu_cmd, (void *)cmd, + kvmi_free_ctx); +} + static bool is_vm_message(u16 id) { return id < ARRAY_SIZE(msg_vm) && !!msg_vm[id]; } +static bool is_vcpu_message(u16 id) +{ + return id < ARRAY_SIZE(msg_vcpu) && !!msg_vcpu[id]; +} + static bool is_unsupported_message(u16 id) { bool supported; - supported = is_known_message(id) && is_vm_message(id); + supported = is_known_message(id) && + (is_vm_message(id) || is_vcpu_message(id)); return !supported; } @@ -364,12 +465,66 @@ static int kvmi_msg_dispatch_vm_cmd(struct kvmi *ikvm, return msg_vm[msg->id](ikvm, msg, msg + 1); } +static int kvmi_msg_dispatch_vcpu_job(struct kvmi *ikvm, + struct kvmi_vcpu_cmd *job, + bool *queued) +{ + struct kvmi_msg_hdr *hdr = &job->msg->hdr; + struct kvmi_vcpu_hdr *cmd = &job->msg->cmd; + struct kvm_vcpu *vcpu = NULL; + int err; + + if (invalid_vcpu_hdr(cmd)) + return -KVM_EINVAL; + + err = kvmi_get_vcpu(ikvm, cmd->vcpu, &vcpu); + + if (!err && vcpu->arch.mp_state == KVM_MP_STATE_UNINITIALIZED) + err = -KVM_EAGAIN; + + if (err) + return kvmi_msg_vm_maybe_reply(ikvm, hdr, err, NULL, 0); + + err = kvmi_msg_queue_to_vcpu(vcpu, job); + if (!err) + *queued = true; + + return err; +} + +static int kvmi_msg_dispatch_vcpu_msg(struct kvmi *ikvm, + struct kvmi_msg_hdr *msg, + bool *queued) +{ + struct kvmi_vcpu_cmd *job_msg; + int err; + + job_msg = kzalloc(sizeof(*job_msg), GFP_KERNEL); + if (!job_msg) + return -KVM_ENOMEM; + + job_msg->reply_cb = ikvm->cmd_reply_disabled + ? kvmi_msg_vcpu_drop_reply + : kvmi_msg_vcpu_reply; + job_msg->msg = (void *)msg; + + err = kvmi_msg_dispatch_vcpu_job(ikvm, job_msg, queued); + + if (!*queued) + kfree(job_msg); + + return err; +} + static int kvmi_msg_dispatch(struct kvmi *ikvm, struct kvmi_msg_hdr *msg, bool *queued) { int err; - err = kvmi_msg_dispatch_vm_cmd(ikvm, msg); + if (is_vcpu_message(msg->id)) + err = kvmi_msg_dispatch_vcpu_msg(ikvm, msg, queued); + else + err = kvmi_msg_dispatch_vm_cmd(ikvm, msg); if (err) kvmi_err(ikvm, "%s: msg id: %u (%s), err: %d\n", __func__,
next prev parent reply other threads:[~2019-08-09 16:01 UTC|newest] Thread overview: 168+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-09 15:59 [RFC PATCH v6 00/92] VM introspection Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 01/92] kvm: introduce KVMI (VM introspection subsystem) Adalbert Lazăr 2019-08-12 20:20 ` Sean Christopherson 2019-08-13 9:11 ` Paolo Bonzini 2019-08-13 11:57 ` Adalbert Lazăr [not found] ` <5d52a5ae.1c69fb81.5c260.1573SMTPIN_ADDED_BROKEN@mx.google.com> 2019-08-13 12:09 ` Paolo Bonzini 2019-08-13 15:01 ` Sean Christopherson 2019-08-13 21:03 ` Paolo Bonzini 2019-08-14 9:48 ` Adalbert Lazăr [not found] ` <5d53d8d1.1c69fb81.7d32.0bedSMTPIN_ADDED_BROKEN@mx.google.com> 2019-08-14 10:37 ` Paolo Bonzini 2019-08-09 15:59 ` [RFC PATCH v6 02/92] kvm: introspection: add basic ioctls (hook/unhook) Adalbert Lazăr 2019-08-13 8:44 ` Paolo Bonzini 2019-08-13 14:24 ` Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 03/92] kvm: introspection: add permission access ioctls Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 04/92] kvm: introspection: add the read/dispatch message function Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 05/92] kvm: introspection: add KVMI_GET_VERSION Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 06/92] kvm: introspection: add KVMI_CONTROL_CMD_RESPONSE Adalbert Lazăr 2019-08-13 9:15 ` Paolo Bonzini 2019-08-13 17:08 ` Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 07/92] kvm: introspection: honor the reply option when handling the KVMI_GET_VERSION command Adalbert Lazăr 2019-08-13 9:16 ` Paolo Bonzini 2019-08-09 15:59 ` [RFC PATCH v6 08/92] kvm: introspection: add KVMI_CHECK_COMMAND and KVMI_CHECK_EVENT Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 09/92] kvm: introspection: add KVMI_GET_GUEST_INFO Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 10/92] kvm: introspection: add KVMI_CONTROL_VM_EVENTS Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 11/92] kvm: introspection: add vCPU related data Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 12/92] kvm: introspection: add a jobs list to every introspected vCPU Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 13/92] kvm: introspection: make the vCPU wait even when its jobs list is empty Adalbert Lazăr 2019-08-13 8:43 ` Paolo Bonzini 2019-08-13 14:19 ` Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 14/92] kvm: introspection: handle introspection commands before returning to guest Adalbert Lazăr 2019-08-13 8:26 ` Paolo Bonzini 2019-08-13 13:54 ` Adalbert Lazăr [not found] ` <5d52c10e.1c69fb81.26904.fd34SMTPIN_ADDED_BROKEN@mx.google.com> 2019-08-13 14:45 ` Paolo Bonzini 2019-08-14 9:39 ` Adalbert Lazăr 2019-08-09 15:59 ` Adalbert Lazăr [this message] 2019-08-09 15:59 ` [RFC PATCH v6 16/92] kvm: introspection: handle events and event replies Adalbert Lazăr 2019-08-13 8:55 ` Paolo Bonzini 2019-08-13 15:25 ` Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 17/92] kvm: introspection: introduce event actions Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 18/92] kvm: introspection: add KVMI_EVENT_UNHOOK Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 19/92] kvm: introspection: add KVMI_EVENT_CREATE_VCPU Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 20/92] kvm: introspection: add KVMI_GET_VCPU_INFO Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 21/92] kvm: page track: add track_create_slot() callback Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 22/92] kvm: x86: provide all page tracking hooks with the guest virtual address Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 23/92] kvm: page track: add support for preread, prewrite and preexec Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 24/92] kvm: x86: wire in the preread/prewrite/preexec page trackers Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 25/92] kvm: x86: intercept the write access on sidt and other emulated instructions Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 26/92] kvm: x86: add kvm_mmu_nested_pagefault() Adalbert Lazăr 2019-08-13 8:12 ` Paolo Bonzini 2019-08-09 15:59 ` [RFC PATCH v6 27/92] kvm: introspection: use page track Adalbert Lazăr 2019-08-13 9:06 ` Paolo Bonzini 2019-08-09 15:59 ` [RFC PATCH v6 28/92] kvm: x86: consult the page tracking from kvm_mmu_get_page() and __direct_map() Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 29/92] kvm: introspection: add KVMI_CONTROL_EVENTS Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 30/92] kvm: x86: add kvm_spt_fault() Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 31/92] kvm: introspection: add KVMI_EVENT_PF Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 32/92] kvm: introspection: add KVMI_GET_PAGE_ACCESS Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 33/92] kvm: introspection: add KVMI_SET_PAGE_ACCESS Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 34/92] Documentation: Introduce EPT based Subpage Protection Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 35/92] KVM: VMX: Add control flags for SPP enabling Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 36/92] KVM: VMX: Implement functions for SPPT paging setup Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 37/92] KVM: VMX: Introduce SPP access bitmap and operation functions Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 38/92] KVM: VMX: Add init/set/get functions for SPP Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 39/92] KVM: VMX: Introduce SPP user-space IOCTLs Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 40/92] KVM: VMX: Handle SPP induced vmexit and page fault Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 41/92] KVM: MMU: Enable Lazy mode SPPT setup Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 42/92] KVM: MMU: Handle host memory remapping and reclaim Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 43/92] kvm: introspection: add KVMI_CONTROL_SPP Adalbert Lazăr 2019-08-09 15:59 ` [RFC PATCH v6 44/92] kvm: introspection: extend the internal database of tracked pages with write_bitmap info Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 45/92] kvm: introspection: add KVMI_GET_PAGE_WRITE_BITMAP Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 46/92] kvm: introspection: add KVMI_SET_PAGE_WRITE_BITMAP Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 47/92] kvm: introspection: add KVMI_READ_PHYSICAL and KVMI_WRITE_PHYSICAL Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 48/92] kvm: add kvm_vcpu_kick_and_wait() Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 49/92] kvm: introspection: add KVMI_PAUSE_VCPU and KVMI_EVENT_PAUSE_VCPU Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 50/92] kvm: introspection: add KVMI_GET_REGISTERS Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 51/92] kvm: introspection: add KVMI_SET_REGISTERS Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 52/92] kvm: introspection: add KVMI_GET_CPUID Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 53/92] kvm: introspection: add KVMI_INJECT_EXCEPTION + KVMI_EVENT_TRAP Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 54/92] kvm: introspection: add KVMI_CONTROL_CR and KVMI_EVENT_CR Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 55/92] kvm: introspection: add KVMI_CONTROL_MSR and KVMI_EVENT_MSR Adalbert Lazăr 2019-08-12 21:05 ` Sean Christopherson 2019-08-15 6:36 ` Nicusor CITU 2019-08-19 18:36 ` Sean Christopherson 2019-08-20 8:44 ` Nicusor CITU 2019-08-20 11:43 ` Mihai Donțu 2019-08-21 15:18 ` Sean Christopherson 2019-08-19 18:52 ` Sean Christopherson 2019-08-09 16:00 ` [RFC PATCH v6 56/92] kvm: x86: block any attempt to disable MSR interception if tracked by introspection Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 57/92] kvm: introspection: add KVMI_GET_XSAVE Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 58/92] kvm: introspection: add KVMI_GET_MTRR_TYPE Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 59/92] kvm: introspection: add KVMI_EVENT_XSETBV Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 60/92] kvm: x86: add kvm_arch_vcpu_set_guest_debug() Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 61/92] kvm: introspection: add KVMI_EVENT_BREAKPOINT Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 62/92] kvm: introspection: add KVMI_EVENT_HYPERCALL Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 63/92] kvm: introspection: add KVMI_EVENT_DESCRIPTOR Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 64/92] kvm: introspection: add single-stepping Adalbert Lazăr 2019-08-12 20:50 ` Sean Christopherson 2019-08-13 12:51 ` Adalbert Lazăr 2019-08-14 12:36 ` Nicusor CITU 2019-08-14 12:53 ` Paolo Bonzini 2019-08-09 16:00 ` [RFC PATCH v6 65/92] kvm: introspection: add KVMI_EVENT_SINGLESTEP Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 66/92] kvm: introspection: add custom input when single-stepping a vCPU Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 67/92] kvm: introspection: use single stepping on unimplemented instructions Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 68/92] kvm: x86: emulate a guest page table walk on SPT violations due to A/D bit updates Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 69/92] kvm: x86: keep the page protected if tracked by the introspection tool Adalbert Lazăr 2019-09-10 14:26 ` Konrad Rzeszutek Wilk 2019-09-10 16:28 ` Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 70/92] kvm: x86: filter out access rights only when " Adalbert Lazăr 2019-08-13 9:08 ` Paolo Bonzini 2019-08-13 16:06 ` Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 71/92] mm: add support for remote mapping Adalbert Lazăr 2019-08-09 16:24 ` DANGER WILL ROBINSON, DANGER Matthew Wilcox 2019-08-13 9:29 ` Paolo Bonzini 2019-08-13 11:24 ` Matthew Wilcox 2019-08-13 12:02 ` Paolo Bonzini 2019-08-13 11:01 ` Adalbert Lazăr 2019-08-15 19:19 ` Jerome Glisse 2019-08-15 20:16 ` Jerome Glisse 2019-08-16 17:45 ` Jason Gunthorpe 2019-08-23 12:39 ` Mircea CIRJALIU - MELIU 2019-09-05 18:09 ` Jerome Glisse 2019-09-09 17:00 ` Paolo Bonzini 2019-09-10 7:49 ` Mircea CIRJALIU - MELIU 2019-10-02 19:27 ` Jerome Glisse 2019-10-02 13:46 ` Paolo Bonzini 2019-10-02 14:15 ` Jerome Glisse 2019-10-02 16:18 ` Paolo Bonzini 2019-10-02 17:04 ` Jerome Glisse 2019-10-02 20:10 ` Paolo Bonzini 2019-10-03 15:42 ` Jerome Glisse 2019-10-03 15:50 ` Paolo Bonzini 2019-10-03 16:42 ` Mircea CIRJALIU - MELIU 2019-10-03 18:31 ` Jerome Glisse 2019-10-03 19:38 ` Paolo Bonzini 2019-10-04 9:41 ` Mircea CIRJALIU - MELIU 2019-10-04 11:46 ` Paolo Bonzini 2019-10-03 16:36 ` Mircea CIRJALIU - MELIU 2019-08-09 16:00 ` [RFC PATCH v6 72/92] kvm: introspection: add memory map/unmap support on the guest side Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 73/92] kvm: introspection: use remote mapping Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 74/92] kvm: x86: do not unconditionally patch the hypercall instruction during emulation Adalbert Lazăr 2019-08-13 9:20 ` Paolo Bonzini 2019-08-14 12:07 ` Adalbert Lazăr [not found] ` <5d53f965.1c69fb81.cd952.035bSMTPIN_ADDED_BROKEN@mx.google.com> 2019-08-14 12:33 ` Paolo Bonzini 2019-08-09 16:00 ` [RFC PATCH v6 75/92] kvm: x86: disable gpa_available optimization in emulator_read_write_onepage() Adalbert Lazăr 2019-08-13 8:47 ` Paolo Bonzini 2019-08-13 14:33 ` Adalbert Lazăr [not found] ` <5d52ca22.1c69fb81.4ceb8.e90bSMTPIN_ADDED_BROKEN@mx.google.com> 2019-08-13 14:35 ` Paolo Bonzini 2019-08-09 16:00 ` [RFC PATCH v6 76/92] kvm: x86: disable EPT A/D bits if introspection is present Adalbert Lazăr 2019-08-13 9:18 ` Paolo Bonzini 2019-08-09 16:00 ` [RFC PATCH v6 77/92] kvm: introspection: add trace functions Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 78/92] kvm: x86: add tracepoints for interrupt and exception injections Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 79/92] kvm: x86: emulate movsd xmm, m64 Adalbert Lazăr 2019-08-13 9:17 ` Paolo Bonzini 2019-08-09 16:00 ` [RFC PATCH v6 80/92] kvm: x86: emulate movss xmm, m32 Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 81/92] kvm: x86: emulate movq xmm, m64 Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 82/92] kvm: x86: emulate movq r, xmm Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 83/92] kvm: x86: emulate movd xmm, m32 Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 84/92] kvm: x86: enable the half part of movss, movsd, movups Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 85/92] kvm: x86: emulate lfence Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 86/92] kvm: x86: emulate xorpd xmm2/m128, xmm1 Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 87/92] kvm: x86: emulate xorps xmm/m128, xmm Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 88/92] kvm: x86: emulate fst/fstp m64fp Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 89/92] kvm: x86: make lock cmpxchg r, r/m atomic Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 90/92] kvm: x86: emulate lock cmpxchg8b atomically Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 91/92] kvm: x86: emulate lock cmpxchg16b m128 Adalbert Lazăr 2019-08-09 16:00 ` [RFC PATCH v6 92/92] kvm: x86: fallback to the single-step on multipage CMPXCHG emulation Adalbert Lazăr 2019-08-12 18:23 ` [RFC PATCH v6 00/92] VM introspection Sean Christopherson 2019-08-12 21:40 ` Sean Christopherson 2019-08-13 9:34 ` Paolo Bonzini
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