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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>
Subject: [RFC PATCH v6 47/92] kvm: introspection: add KVMI_READ_PHYSICAL and KVMI_WRITE_PHYSICAL
Date: Fri,  9 Aug 2019 19:00:02 +0300
Message-ID: <20190809160047.8319-48-alazar@bitdefender.com> (raw)
In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com>

From: Mihai Donțu <mdontu@bitdefender.com>

These commands allows the introspection tool to read/write from/to the
guest memory.

Signed-off-by: Mihai Donțu <mdontu@bitdefender.com>
Co-developed-by: Adalbert Lazăr <alazar@bitdefender.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
 Documentation/virtual/kvm/kvmi.rst |  60 ++++++++++++++++
 include/uapi/linux/kvmi.h          |  11 +++
 virt/kvm/kvmi.c                    | 107 +++++++++++++++++++++++++++++
 virt/kvm/kvmi_int.h                |   7 ++
 virt/kvm/kvmi_msg.c                |  42 +++++++++++
 5 files changed, 227 insertions(+)

diff --git a/Documentation/virtual/kvm/kvmi.rst b/Documentation/virtual/kvm/kvmi.rst
index 69557c63ff94..eef32107837a 100644
--- a/Documentation/virtual/kvm/kvmi.rst
+++ b/Documentation/virtual/kvm/kvmi.rst
@@ -760,6 +760,66 @@ corresponding bit set to 1.
 * -KVM_EAGAIN - the selected vCPU can't be introspected yet
 * -KVM_ENOMEM - not enough memory to add the page tracking structures
 
+14. KVMI_READ_PHYSICAL
+----------------------
+
+:Architectures: all
+:Versions: >= 1
+:Parameters:
+
+::
+
+	struct kvmi_read_physical {
+		__u64 gpa;
+		__u64 size;
+	};
+
+:Returns:
+
+::
+
+	struct kvmi_error_code;
+	__u8 data[0];
+
+Reads from the guest memory.
+
+Currently, the size must be non-zero and the read must be restricted to
+one page (offset + size <= PAGE_SIZE).
+
+:Errors:
+
+* -KVM_EINVAL - the specified gpa is invalid
+
+15. KVMI_WRITE_PHYSICAL
+-----------------------
+
+:Architectures: all
+:Versions: >= 1
+:Parameters:
+
+::
+
+	struct kvmi_write_physical {
+		__u64 gpa;
+		__u64 size;
+		__u8  data[0];
+	};
+
+:Returns:
+
+::
+
+	struct kvmi_error_code
+
+Writes into the guest memory.
+
+Currently, the size must be non-zero and the write must be restricted to
+one page (offset + size <= PAGE_SIZE).
+
+:Errors:
+
+* -KVM_EINVAL - the specified gpa is invalid
+
 Events
 ======
 
diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h
index 0b3139c52a30..be3f066f314e 100644
--- a/include/uapi/linux/kvmi.h
+++ b/include/uapi/linux/kvmi.h
@@ -191,6 +191,17 @@ struct kvmi_control_vm_events {
 	__u32 padding2;
 };
 
+struct kvmi_read_physical {
+	__u64 gpa;
+	__u64 size;
+};
+
+struct kvmi_write_physical {
+	__u64 gpa;
+	__u64 size;
+	__u8  data[0];
+};
+
 struct kvmi_vcpu_hdr {
 	__u16 vcpu;
 	__u16 padding1;
diff --git a/virt/kvm/kvmi.c b/virt/kvm/kvmi.c
index d2bebef98d8d..a84eb150e116 100644
--- a/virt/kvm/kvmi.c
+++ b/virt/kvm/kvmi.c
@@ -5,6 +5,7 @@
  * Copyright (C) 2017-2019 Bitdefender S.R.L.
  *
  */
+#include <linux/mmu_context.h>
 #include <uapi/linux/kvmi.h>
 #include "kvmi_int.h"
 #include <linux/kthread.h>
@@ -1220,6 +1221,112 @@ int kvmi_cmd_set_page_write_bitmap(struct kvmi *ikvm, u64 gpa,
 	return kvmi_set_gfn_access(ikvm->kvm, gfn, access, write_bitmap);
 }
 
+unsigned long gfn_to_hva_safe(struct kvm *kvm, gfn_t gfn)
+{
+	unsigned long hva;
+	int srcu_idx;
+
+	srcu_idx = srcu_read_lock(&kvm->srcu);
+	hva = gfn_to_hva(kvm, gfn);
+	srcu_read_unlock(&kvm->srcu, srcu_idx);
+
+	return hva;
+}
+
+static long get_user_pages_remote_unlocked(struct mm_struct *mm,
+	unsigned long start,
+	unsigned long nr_pages,
+	unsigned int gup_flags,
+	struct page **pages)
+{
+	long ret;
+	struct task_struct *tsk = NULL;
+	struct vm_area_struct **vmas = NULL;
+	int locked = 1;
+
+	down_read(&mm->mmap_sem);
+	ret = get_user_pages_remote(tsk, mm, start, nr_pages, gup_flags,
+		pages, vmas, &locked);
+	if (locked)
+		up_read(&mm->mmap_sem);
+	return ret;
+}
+
+static void *get_page_ptr(struct kvm *kvm, gpa_t gpa, struct page **page,
+			  bool write)
+{
+	unsigned int flags = write ? FOLL_WRITE : 0;
+	unsigned long hva;
+
+	*page = NULL;
+
+	hva = gfn_to_hva_safe(kvm, gpa_to_gfn(gpa));
+
+	if (kvm_is_error_hva(hva)) {
+		kvmi_err(IKVM(kvm), "Invalid gpa %llx\n", gpa);
+		return NULL;
+	}
+
+	if (get_user_pages_remote_unlocked(kvm->mm, hva, 1, flags, page) != 1) {
+		kvmi_err(IKVM(kvm),
+			 "Failed to get the page for hva %lx gpa %llx\n",
+			 hva, gpa);
+		return NULL;
+	}
+
+	return kmap_atomic(*page);
+}
+
+static void put_page_ptr(void *ptr, struct page *page)
+{
+	if (ptr)
+		kunmap_atomic(ptr);
+	if (page)
+		put_page(page);
+}
+
+int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, u64 size, int(*send)(
+	struct kvmi *, const struct kvmi_msg_hdr *,
+	int err, const void *buf, size_t),
+	const struct kvmi_msg_hdr *ctx)
+{
+	int err, ec = 0;
+	struct page *page = NULL;
+	void *ptr_page = NULL, *ptr = NULL;
+	size_t ptr_size = 0;
+
+	ptr_page = get_page_ptr(kvm, gpa, &page, false);
+	if (!ptr_page) {
+		ec = -KVM_EINVAL;
+		goto out;
+	}
+
+	ptr = ptr_page + (gpa & ~PAGE_MASK);
+	ptr_size = size;
+
+out:
+	err = send(IKVM(kvm), ctx, ec, ptr, ptr_size);
+
+	put_page_ptr(ptr_page, page);
+	return err;
+}
+
+int kvmi_cmd_write_physical(struct kvm *kvm, u64 gpa, u64 size, const void *buf)
+{
+	struct page *page;
+	void *ptr;
+
+	ptr = get_page_ptr(kvm, gpa, &page, true);
+	if (!ptr)
+		return -KVM_EINVAL;
+
+	memcpy(ptr + (gpa & ~PAGE_MASK), buf, size);
+
+	put_page_ptr(ptr, page);
+
+	return 0;
+}
+
 int kvmi_cmd_control_events(struct kvm_vcpu *vcpu, unsigned int event_id,
 			    bool enable)
 {
diff --git a/virt/kvm/kvmi_int.h b/virt/kvm/kvmi_int.h
index 18c00dae0f2f..7bdff70d4309 100644
--- a/virt/kvm/kvmi_int.h
+++ b/virt/kvm/kvmi_int.h
@@ -174,6 +174,13 @@ int kvmi_cmd_get_page_access(struct kvmi *ikvm, u64 gpa, u8 *access);
 int kvmi_cmd_set_page_access(struct kvmi *ikvm, u64 gpa, u8 access);
 int kvmi_cmd_get_page_write_bitmap(struct kvmi *ikvm, u64 gpa, u32 *bitmap);
 int kvmi_cmd_set_page_write_bitmap(struct kvmi *ikvm, u64 gpa, u32 bitmap);
+int kvmi_cmd_read_physical(struct kvm *kvm, u64 gpa, u64 size,
+			   int (*send)(struct kvmi *,
+					const struct kvmi_msg_hdr*,
+					int err, const void *buf, size_t),
+			   const struct kvmi_msg_hdr *ctx);
+int kvmi_cmd_write_physical(struct kvm *kvm, u64 gpa, u64 size,
+			    const void *buf);
 int kvmi_cmd_control_events(struct kvm_vcpu *vcpu, unsigned int event_id,
 			    bool enable);
 int kvmi_cmd_control_vm_events(struct kvmi *ikvm, unsigned int event_id,
diff --git a/virt/kvm/kvmi_msg.c b/virt/kvm/kvmi_msg.c
index f9efb52d49c3..9c20a9cfda42 100644
--- a/virt/kvm/kvmi_msg.c
+++ b/virt/kvm/kvmi_msg.c
@@ -34,8 +34,10 @@ static const char *const msg_IDs[] = {
 	[KVMI_GET_PAGE_WRITE_BITMAP] = "KVMI_GET_PAGE_WRITE_BITMAP",
 	[KVMI_GET_VCPU_INFO]         = "KVMI_GET_VCPU_INFO",
 	[KVMI_GET_VERSION]           = "KVMI_GET_VERSION",
+	[KVMI_READ_PHYSICAL]         = "KVMI_READ_PHYSICAL",
 	[KVMI_SET_PAGE_ACCESS]       = "KVMI_SET_PAGE_ACCESS",
 	[KVMI_SET_PAGE_WRITE_BITMAP] = "KVMI_SET_PAGE_WRITE_BITMAP",
+	[KVMI_WRITE_PHYSICAL]        = "KVMI_WRITE_PHYSICAL",
 };
 
 static bool is_known_message(u16 id)
@@ -303,6 +305,44 @@ static int kvmi_get_vcpu(struct kvmi *ikvm, unsigned int vcpu_idx,
 	return 0;
 }
 
+static bool invalid_page_access(u64 gpa, u64 size)
+{
+	u64 off = gpa & ~PAGE_MASK;
+
+	return (size == 0 || size > PAGE_SIZE || off + size > PAGE_SIZE);
+}
+
+static int handle_read_physical(struct kvmi *ikvm,
+				const struct kvmi_msg_hdr *msg,
+				const void *_req)
+{
+	const struct kvmi_read_physical *req = _req;
+
+	if (invalid_page_access(req->gpa, req->size))
+		return -EINVAL;
+
+	return kvmi_cmd_read_physical(ikvm->kvm, req->gpa, req->size,
+				      kvmi_msg_vm_maybe_reply, msg);
+}
+
+static int handle_write_physical(struct kvmi *ikvm,
+				 const struct kvmi_msg_hdr *msg,
+				 const void *_req)
+{
+	const struct kvmi_write_physical *req = _req;
+	int ec;
+
+	if (invalid_page_access(req->gpa, req->size))
+		return -EINVAL;
+
+	if (msg->size < sizeof(*req) + req->size)
+		return -EINVAL;
+
+	ec = kvmi_cmd_write_physical(ikvm->kvm, req->gpa, req->size, req->data);
+
+	return kvmi_msg_vm_maybe_reply(ikvm, msg, ec, NULL, 0);
+}
+
 static bool enable_spp(struct kvmi *ikvm)
 {
 	if (!ikvm->spp.initialized) {
@@ -431,8 +471,10 @@ static int(*const msg_vm[])(struct kvmi *, const struct kvmi_msg_hdr *,
 	[KVMI_GET_PAGE_ACCESS]       = handle_get_page_access,
 	[KVMI_GET_PAGE_WRITE_BITMAP] = handle_get_page_write_bitmap,
 	[KVMI_GET_VERSION]           = handle_get_version,
+	[KVMI_READ_PHYSICAL]         = handle_read_physical,
 	[KVMI_SET_PAGE_ACCESS]       = handle_set_page_access,
 	[KVMI_SET_PAGE_WRITE_BITMAP] = handle_set_page_write_bitmap,
+	[KVMI_WRITE_PHYSICAL]        = handle_write_physical,
 };
 
 static int handle_event_reply(struct kvm_vcpu *vcpu,


  parent reply index

Thread overview: 154+ 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 ` [RFC PATCH v6 15/92] kvm: introspection: handle vCPU related introspection commands Adalbert Lazăr
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 ` Adalbert Lazăr [this message]
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
2019-08-09 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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