From: Adalbert Lazar <alazar@bitdefender.com>
To: kvm@vger.kernel.org
Cc: "Paolo Bonzini" <pbonzini@redhat.com>,
"Radim Krčmář" <rkrcmar@redhat.com>,
alazar@bitdefender.com, mdontu@bitdefender.com
Subject: [RFC PATCH 18/19] kvm: x86: Set the new spte flags before entering the guest
Date: Fri, 16 Jun 2017 16:43:47 +0300 [thread overview]
Message-ID: <20170616134348.17725-19-alazar@bitdefender.com> (raw)
In-Reply-To: <20170616134348.17725-1-alazar@bitdefender.com>
From: Mihai Dontu <mdontu@bitdefender.com>
Apply the changes made to the shadow page tables by the guest
introspection tool. These changes involve only the page permissions
bits.
Signed-off-by: Mihai Dontu <mdontu@bitdefender.com>
---
arch/x86/kvm/x86.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index cafe878ba148..30f4d301453c 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6793,6 +6793,8 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
bool req_immediate_exit = false;
+ kvmi_flush_mem_access(vcpu);
+
if (vcpu->requests) {
if (kvm_check_request(KVM_REQ_MMU_RELOAD, vcpu))
kvm_mmu_unload(vcpu);
--
2.12.2
next prev parent reply other threads:[~2017-06-16 13:44 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-16 13:43 [RFC PATCH 00/19] Guest introspection Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 01/19] kvm: x86: mmu: Add kvm_mmu_get_spte() and kvm_mmu_set_spte() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 02/19] kvm: x86: Add kvm_arch_vcpu_set_regs() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 03/19] mm: Add vm_replace_page() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 04/19] kvm: Add kvm_enum() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 05/19] kvm: Add uuid member in struct kvm + support for KVM_CAP_VM_UUID Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 06/19] kvm: Add kvm_vm_shutdown() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 07/19] kvm: x86: Add kvm_arch_msr_intercept() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 08/19] kvm: Add the introspection subsystem Adalbert Lazar
2017-06-21 11:54 ` Paolo Bonzini
2017-06-21 12:36 ` Mihai Donțu
2017-06-21 12:57 ` Paolo Bonzini
2017-06-16 13:43 ` [RFC PATCH 09/19] kvm: Hook in kvmi on VM on/off events Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 10/19] kvm: vmx: Hook in kvmi_page_fault() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 11/19] kvm: x86: Hook in kvmi_breakpoint_event() Adalbert Lazar
2017-06-21 11:48 ` Paolo Bonzini
2017-06-21 12:37 ` Mihai Donțu
2017-06-16 13:43 ` [RFC PATCH 12/19] kvm: x86: Hook in kvmi_trap_event() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 13/19] kvm: x86: Hook in kvmi_cr_event() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 14/19] kvm: x86: Hook in kvmi_xsetbv_event() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 15/19] kvm: x86: Hook in kvmi_msr_event() Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 16/19] kvm: x86: Change the emulation context Adalbert Lazar
2017-06-16 13:43 ` [RFC PATCH 17/19] kvm: x86: Hook in kvmi_vmcall_event() Adalbert Lazar
2017-06-16 13:43 ` Adalbert Lazar [this message]
2017-06-16 13:43 ` [RFC PATCH 19/19] kvm: x86: Handle KVM_REQ_INTROSPECTION Adalbert Lazar
2017-06-16 14:45 ` [RFC PATCH 00/19] Guest introspection Jan Kiszka
2017-06-16 15:18 ` Mihai Donțu
2017-06-16 15:34 ` Jan Kiszka
2017-06-16 15:59 ` Mihai Donțu
2017-06-19 9:39 ` Stefan Hajnoczi
2017-06-20 14:58 ` alazar
2017-06-20 15:03 ` Jan Kiszka
2017-06-21 11:04 ` Stefan Hajnoczi
2017-06-21 13:25 ` Paolo Bonzini
2017-06-27 16:12 ` Mihai Donțu
2017-06-27 16:23 ` Paolo Bonzini
2017-06-16 17:05 ` Paolo Bonzini
2017-06-16 17:27 ` Jan Kiszka
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