linux-kernel - [PATCH 10/39] KVM: VMX: Add module parameter and emulation flag.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1222343711-12508-11-git-send-email-avi@redhat.com>
Date:	Thu, 25 Sep 2008 14:54:42 +0300
From:	Avi Kivity <avi@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	kvm@...r.kernel.org, Mohammed Gamal <m.gamal005@...il.com>
Subject: [PATCH 10/39] KVM: VMX: Add module parameter and emulation flag.

From: Mohammed Gamal <m.gamal005@...il.com>

The patch adds the module parameter required to enable emulating invalid
guest state, as well as the emulation_required flag used to drive
emulation whenever needed.

Signed-off-by: Mohammed Gamal <m.gamal005@...il.com>
Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 arch/x86/kvm/vmx.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e889b76..7c5f611 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -49,6 +49,9 @@ module_param(flexpriority_enabled, bool, 0);
 static int enable_ept = 1;
 module_param(enable_ept, bool, 0);

+static int emulate_invalid_guest_state = 0;
+module_param(emulate_invalid_guest_state, bool, 0);
+
 struct vmcs {
 	u32 revision_id;
 	u32 abort;
@@ -86,6 +89,7 @@ struct vcpu_vmx {
 		} irq;
 	} rmode;
 	int vpid;
+	bool emulation_required;
 };

 static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
-- 
1.6.0.1

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/