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 46/92] kvm: introspection: add KVMI_SET_PAGE_WRITE_BITMAP Date: Fri, 9 Aug 2019 19:00:01 +0300 [thread overview] Message-ID: <20190809160047.8319-47-alazar@bitdefender.com> (raw) In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com> This command sets the subpage protection (SPP) write bitmap for an array of guest physical addresses of 4KB bytes. Co-developed-by: Yang Weijiang <weijiang.yang@intel.com> Signed-off-by: Yang Weijiang <weijiang.yang@intel.com> Co-developed-by: Adalbert Lazăr <alazar@bitdefender.com> Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com> --- Documentation/virtual/kvm/kvmi.rst | 66 ++++++++++++++++++++++++++++++ arch/x86/kvm/kvmi.c | 30 ++++++++++++++ include/uapi/linux/kvmi.h | 13 ++++++ virt/kvm/kvmi.c | 37 +++++++++++++++++ virt/kvm/kvmi_int.h | 4 ++ virt/kvm/kvmi_msg.c | 13 ++++++ 6 files changed, 163 insertions(+) diff --git a/Documentation/virtual/kvm/kvmi.rst b/Documentation/virtual/kvm/kvmi.rst index 2ffb92b0fa71..69557c63ff94 100644 --- a/Documentation/virtual/kvm/kvmi.rst +++ b/Documentation/virtual/kvm/kvmi.rst @@ -694,6 +694,72 @@ EPT view (0 is primary). On all other hardware it must be zero. * -KVM_EAGAIN - the selected vCPU can't be introspected yet * -KVM_ENOMEM - not enough memory to allocate the reply +13. KVMI_SET_PAGE_WRITE_BITMAP +------------------------------ + +:Architectures: x86 +:Versions: >= 1 +:Parameters: + +:: + + struct kvmi_set_page_write_bitmap { + __u16 view; + __u16 count; + __u32 padding; + struct kvmi_page_write_bitmap_entry entries[0]; + }; + +where:: + + struct kvmi_page_write_bitmap_entry { + __u64 gpa; + __u32 bitmap; + __u32 padding; + }; + +:Returns: + +:: + + struct kvmi_error_code; + +Sets the subpage protection (SPP) write bitmap for an array of ``count`` +guest physical addresses of 4KB bytes. + +The command will make the changes starting with the first entry and +it will stop on the first error. The introspection tool should handle +the rollback. + +While the *KVMI_SET_PAGE_ACCESS* command can be used to write-protect a +4KB page, this command can write-protect 128-bytes subpages inside of a +4KB page by setting the corresponding bit to 1 (write allowed) or to 0 +(write disallowed). For example, to allow write access to the A and B +subpages only, the bitmap must be set to:: + + BIT(A) | BIT(B) + +A and B must be a number between 0 (first subpage) and 31 (last subpage). + +Using this command to set all bits to 1 (allow write access for +all subpages) will allow write access to the whole 4KB page (like a +*KVMI_SET_PAGE_ACCESS* command with the *KVMI_PAGE_ACCESS_W* flag set) +and vice versa. + +Using this command to set any bit to 0 will write-protect the whole 4KB +page (like a *KVMI_SET_PAGE_ACCESS* command with the *KVMI_PAGE_ACCESS_W* +flag cleared) and allow write access only for subpages with the +corresponding bit set to 1. + +:Errors: + +* -KVM_EINVAL - the selected SPT view is invalid +* -KVM_EOPNOTSUPP - a SPT view was selected but the hardware doesn't support it +* -KVM_EOPNOTSUPP - the hardware doesn't support SPP or hasn't been enabled +* -KVM_EINVAL - the write access is already allowed for the whole 4KB page +* -KVM_EAGAIN - the selected vCPU can't be introspected yet +* -KVM_ENOMEM - not enough memory to add the page tracking structures + Events ====== diff --git a/arch/x86/kvm/kvmi.c b/arch/x86/kvm/kvmi.c index 356ec79936b3..fa290fbf1f75 100644 --- a/arch/x86/kvm/kvmi.c +++ b/arch/x86/kvm/kvmi.c @@ -304,6 +304,36 @@ int kvmi_arch_cmd_set_page_access(struct kvmi *ikvm, return ec; } +int kvmi_arch_cmd_set_page_write_bitmap(struct kvmi *ikvm, + const struct kvmi_msg_hdr *msg, + const struct kvmi_set_page_write_bitmap + *req) +{ + u16 k, n = req->count; + int ec = 0; + + if (req->padding) + return -KVM_EINVAL; + + if (msg->size < sizeof(*req) + req->count * sizeof(req->entries[0])) + return -KVM_EINVAL; + + if (!kvmi_spp_enabled(ikvm)) + return -KVM_EOPNOTSUPP; + + if (req->view != 0) /* TODO */ + return -KVM_EOPNOTSUPP; + + for (k = 0; k < n && ec == 0; k++) { + u64 gpa = req->entries[k].gpa; + u32 bitmap = req->entries[k].bitmap; + + ec = kvmi_cmd_set_page_write_bitmap(ikvm, gpa, bitmap); + } + + return ec; +} + int kvmi_arch_cmd_control_spp(struct kvmi *ikvm) { return kvm_arch_init_spp(ikvm->kvm); diff --git a/include/uapi/linux/kvmi.h b/include/uapi/linux/kvmi.h index 19a6a50df96b..0b3139c52a30 100644 --- a/include/uapi/linux/kvmi.h +++ b/include/uapi/linux/kvmi.h @@ -160,6 +160,19 @@ struct kvmi_get_page_write_bitmap_reply { __u32 bitmap[0]; }; +struct kvmi_page_write_bitmap_entry { + __u64 gpa; + __u32 bitmap; + __u32 padding; +}; + +struct kvmi_set_page_write_bitmap { + __u16 view; + __u16 count; + __u32 padding; + struct kvmi_page_write_bitmap_entry entries[0]; +}; + struct kvmi_get_vcpu_info_reply { __u64 tsc_speed; }; diff --git a/virt/kvm/kvmi.c b/virt/kvm/kvmi.c index 22e233ca474c..d2bebef98d8d 100644 --- a/virt/kvm/kvmi.c +++ b/virt/kvm/kvmi.c @@ -99,6 +99,24 @@ static int kvmi_set_gfn_access(struct kvm *kvm, gfn_t gfn, u8 access, m->access = access; m->write_bitmap = write_bitmap; + /* + * Only try to set SPP bitmap when the page is writable. + * Be careful, kvm_mmu_set_subpages() will enable page write-protection + * by default when set SPP bitmap. If bitmap contains all 1s, it'll + * make the page writable by default too. + */ + if (!(access & KVMI_PAGE_ACCESS_W) && kvmi_spp_enabled(ikvm)) { + struct kvm_subpage spp_info; + + spp_info.base_gfn = gfn; + spp_info.npages = 1; + spp_info.access_map[0] = write_bitmap; + + err = kvm_arch_set_subpages(kvm, &spp_info); + if (err) + goto exit; + } + if (radix_tree_preload(GFP_KERNEL)) { err = -KVM_ENOMEM; goto exit; @@ -1183,6 +1201,25 @@ int kvmi_cmd_set_page_access(struct kvmi *ikvm, u64 gpa, u8 access) return kvmi_set_gfn_access(ikvm->kvm, gfn, access, write_bitmap); } +int kvmi_cmd_set_page_write_bitmap(struct kvmi *ikvm, u64 gpa, + u32 write_bitmap) +{ + bool write_allowed_for_all; + gfn_t gfn = gpa_to_gfn(gpa); + u32 ignored_write_bitmap; + u8 access; + + kvmi_get_gfn_access(ikvm, gfn, &access, &ignored_write_bitmap); + + write_allowed_for_all = (write_bitmap == (u32)((1ULL << 32) - 1)); + if (write_allowed_for_all) + access |= KVMI_PAGE_ACCESS_W; + else + access &= ~KVMI_PAGE_ACCESS_W; + + return kvmi_set_gfn_access(ikvm->kvm, gfn, access, write_bitmap); +} + 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 7243c57be27a..18c00dae0f2f 100644 --- a/virt/kvm/kvmi_int.h +++ b/virt/kvm/kvmi_int.h @@ -173,6 +173,7 @@ void kvmi_msg_free(void *addr); 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_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, @@ -202,6 +203,9 @@ int kvmi_arch_cmd_get_page_write_bitmap(struct kvmi *ikvm, const struct kvmi_get_page_write_bitmap *req, struct kvmi_get_page_write_bitmap_reply **dest, size_t *dest_size); +int kvmi_arch_cmd_set_page_write_bitmap(struct kvmi *ikvm, + const struct kvmi_msg_hdr *msg, + const struct kvmi_set_page_write_bitmap *req); void kvmi_arch_setup_event(struct kvm_vcpu *vcpu, struct kvmi_event *ev); bool kvmi_arch_pf_event(struct kvm_vcpu *vcpu, gpa_t gpa, gva_t gva, u8 access); diff --git a/virt/kvm/kvmi_msg.c b/virt/kvm/kvmi_msg.c index eb247ac3e037..f9efb52d49c3 100644 --- a/virt/kvm/kvmi_msg.c +++ b/virt/kvm/kvmi_msg.c @@ -35,6 +35,7 @@ static const char *const msg_IDs[] = { [KVMI_GET_VCPU_INFO] = "KVMI_GET_VCPU_INFO", [KVMI_GET_VERSION] = "KVMI_GET_VERSION", [KVMI_SET_PAGE_ACCESS] = "KVMI_SET_PAGE_ACCESS", + [KVMI_SET_PAGE_WRITE_BITMAP] = "KVMI_SET_PAGE_WRITE_BITMAP", }; static bool is_known_message(u16 id) @@ -400,6 +401,17 @@ static int handle_get_page_write_bitmap(struct kvmi *ikvm, return err; } +static int handle_set_page_write_bitmap(struct kvmi *ikvm, + const struct kvmi_msg_hdr *msg, + const void *req) +{ + int ec; + + ec = kvmi_arch_cmd_set_page_write_bitmap(ikvm, msg, req); + + return kvmi_msg_vm_maybe_reply(ikvm, msg, ec, NULL, 0); +} + static bool invalid_vcpu_hdr(const struct kvmi_vcpu_hdr *hdr) { return hdr->padding1 || hdr->padding2; @@ -420,6 +432,7 @@ static int(*const msg_vm[])(struct kvmi *, const struct kvmi_msg_hdr *, [KVMI_GET_PAGE_WRITE_BITMAP] = handle_get_page_write_bitmap, [KVMI_GET_VERSION] = handle_get_version, [KVMI_SET_PAGE_ACCESS] = handle_set_page_access, + [KVMI_SET_PAGE_WRITE_BITMAP] = handle_set_page_write_bitmap, }; static int handle_event_reply(struct kvm_vcpu *vcpu,
next prev parent reply other threads:[~2019-08-09 16:03 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 ` [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 ` Adalbert Lazăr [this message] 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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