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@vger.kernel.org, "Yu C" <yu.c.zhang@intel.com>,
"Mihai Donțu" <mdontu@bitdefender.com>,
"Adalbert Lazăr" <alazar@bitdefender.com>,
"He Chen" <he.chen@linux.intel.com>,
"Zhang Yi" <yi.z.zhang@linux.intel.com>
Subject: [RFC PATCH v6 37/92] KVM: VMX: Introduce SPP access bitmap and operation functions
Date: Fri, 9 Aug 2019 18:59:52 +0300 [thread overview]
Message-ID: <20190809160047.8319-38-alazar@bitdefender.com> (raw)
In-Reply-To: <20190809160047.8319-1-alazar@bitdefender.com>
From: Yang Weijiang <weijiang.yang@intel.com>
Create access bitmap for SPP subpages, 4KB/128B = 32bits,
for each 4KB physical page, 32bits are required. The bitmap can
be easily accessed with a gfn. The initial access bitmap for each
physical page is 0xFFFFFFFF, meaning SPP is not enabled for the
subpages.
Co-developed-by: He Chen <he.chen@linux.intel.com>
Signed-off-by: He Chen <he.chen@linux.intel.com>
Co-developed-by: Zhang Yi <yi.z.zhang@linux.intel.com>
Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com>
Co-developed-by: Yang Weijiang <weijiang.yang@intel.com>
Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
Message-Id: <20190717133751.12910-5-weijiang.yang@intel.com>
Signed-off-by: Adalbert Lazăr <alazar@bitdefender.com>
---
arch/x86/include/asm/kvm_host.h | 1 +
arch/x86/kvm/mmu.c | 50 +++++++++++++++++++++++++++++++++
arch/x86/kvm/x86.c | 11 ++++++++
3 files changed, 62 insertions(+)
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index c05984f39923..f0878631b12a 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -790,6 +790,7 @@ struct kvm_lpage_info {
struct kvm_arch_memory_slot {
struct kvm_rmap_head *rmap[KVM_NR_PAGE_SIZES];
+ u32 *subpage_wp_info;
struct kvm_lpage_info *lpage_info[KVM_NR_PAGE_SIZES - 1];
unsigned short *gfn_track[KVM_PAGE_TRACK_MAX];
};
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 8a6287cd2be4..f2774bbcfeed 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1482,6 +1482,56 @@ static u64 *rmap_get_next(struct rmap_iterator *iter)
return sptep;
}
+#define FULL_SPP_ACCESS ((u32)((1ULL << 32) - 1))
+
+static int kvm_subpage_create_bitmaps(struct kvm *kvm)
+{
+ struct kvm_memslots *slots;
+ struct kvm_memory_slot *memslot;
+ int i, j, ret;
+ u32 *buff;
+
+ for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
+ slots = __kvm_memslots(kvm, i);
+ kvm_for_each_memslot(memslot, slots) {
+ buff = kvzalloc(memslot->npages*
+ sizeof(*memslot->arch.subpage_wp_info),
+ GFP_KERNEL);
+
+ if (!buff) {
+ ret = -ENOMEM;
+ goto out_free;
+ }
+ memslot->arch.subpage_wp_info = buff;
+
+ for(j = 0; j< memslot->npages; j++)
+ buff[j] = FULL_SPP_ACCESS;
+ }
+ }
+
+ return 0;
+out_free:
+ for (i = 0; i < KVM_ADDRESS_SPACE_NUM; i++) {
+ slots = __kvm_memslots(kvm, i);
+ kvm_for_each_memslot(memslot, slots) {
+ if (memslot->arch.subpage_wp_info) {
+ kvfree(memslot->arch.subpage_wp_info);
+ memslot->arch.subpage_wp_info = NULL;
+ }
+ }
+ }
+
+ return ret;
+}
+
+static u32 *gfn_to_subpage_wp_info(struct kvm_memory_slot *slot, gfn_t gfn)
+{
+ unsigned long idx;
+
+ idx = gfn_to_index(gfn, slot->base_gfn, PT_PAGE_TABLE_LEVEL);
+ return &slot->arch.subpage_wp_info[idx];
+}
+
#define for_each_rmap_spte(_rmap_head_, _iter_, _spte_) \
for (_spte_ = rmap_get_first(_rmap_head_, _iter_); \
_spte_; _spte_ = rmap_get_next(_iter_))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index ef6d9dd80086..2ac1e0aba1fc 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9320,6 +9320,17 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
kvm_hv_destroy_vm(kvm);
}
+void kvm_subpage_free_memslot(struct kvm_memory_slot *free,
+ struct kvm_memory_slot *dont)
+{
+
+ if (!dont || free->arch.subpage_wp_info !=
+ dont->arch.subpage_wp_info) {
+ kvfree(free->arch.subpage_wp_info);
+ free->arch.subpage_wp_info = NULL;
+ }
+}
+
void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free,
struct kvm_memory_slot *dont)
{
next prev parent reply other threads:[~2019-08-09 16:16 UTC|newest]
Thread overview: 158+ 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
[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
[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
2019-08-09 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
2019-08-09 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
2019-08-09 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
[not found] ` <5d52c10e.1c69fb81.26904.fd34SMTPIN_ADDED_BROKEN@mx.google.com>
2019-08-13 14:45 ` Paolo Bonzini
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
2019-08-09 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 ` Adalbert Lazăr [this message]
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
2019-08-14 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
2019-08-09 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
[not found] ` <1565694095.D172a51.28640.@15f23d3a749365d981e968181cce585d2dcb3ffa>
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
[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
[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
[not found] ` <0550f8d65bb97486e98d88255ea45d490da6b802.camel@bitdefender.com>
2019-08-13 21:05 ` Paolo Bonzini
2019-08-14 8:53 ` Mihai Donțu
2019-08-14 10:36 ` 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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