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From: Avi Kivity <avi@redhat.com>
To: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH 20/20] KVM: x86 emulator: disallow opcode 82 in 64-bit mode
Date: Wed, 17 Feb 2010 15:45:30 +0200	[thread overview]
Message-ID: <1266414330-27444-21-git-send-email-avi@redhat.com> (raw)
In-Reply-To: <1266414330-27444-1-git-send-email-avi@redhat.com>

From: Gleb Natapov <gleb@redhat.com>

Instructions with opcode 82 are not valid in 64 bit mode.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 arch/x86/kvm/emulate.c |   16 ++++++++--------
 1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index dd1b935..c280c23 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -310,14 +310,14 @@ static u32 group_table[] = {
 	DstMem | SrcImm | ModRM | Lock,
 	DstMem | SrcImm | ModRM,
 	[Group1_82*8] =
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM | Lock,
-	ByteOp | DstMem | SrcImm | ModRM,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64,
 	[Group1_83*8] =
 	DstMem | SrcImmByte | ModRM | Lock,
 	DstMem | SrcImmByte | ModRM | Lock,
-- 
1.6.5.3


      parent reply	other threads:[~2010-02-17 13:45 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-17 13:45 [PATCH 00/20] KVM updates for the 2.6.34 merge window (batch 4/4) Avi Kivity
2010-02-17 13:45 ` [PATCH 01/20] KVM: Fix Codestyle in virt/kvm/coalesced_mmio.c Avi Kivity
2010-02-17 13:45 ` [PATCH 02/20] KVM: MMU: Add tracepoint for guest page aging Avi Kivity
2010-02-17 13:45 ` [PATCH 03/20] KVM: VMX: Rename VMX_EPT_IGMT_BIT to VMX_EPT_IPAT_BIT Avi Kivity
2010-02-17 13:45 ` [PATCH 04/20] KVM: PIT: unregister kvm irq notifier if fail to create pit Avi Kivity
2010-02-17 13:45 ` [PATCH 05/20] KVM: kvm->arch.vioapic should be NULL if kvm_ioapic_init() failure Avi Kivity
2010-02-17 13:45 ` [PATCH 06/20] KVM: cleanup the failure path of KVM_CREATE_IRQCHIP ioctrl Avi Kivity
2010-02-17 13:45 ` [PATCH 07/20] KVM: ia64: destroy ioapic device if fail to setup default irq routing Avi Kivity
2010-02-17 13:45 ` [PATCH 08/20] KVM: ppc/booke: Set ESR and DEAR when inject interrupt to guest Avi Kivity
2010-02-17 13:45 ` [PATCH 09/20] KVM: do not store wqh in irqfd Avi Kivity
2010-02-17 13:45 ` [PATCH 10/20] KVM: x86 emulator: Add group8 instruction decoding Avi Kivity
2010-02-17 13:45 ` [PATCH 11/20] KVM: x86 emulator: Add group9 " Avi Kivity
2010-02-17 13:45 ` [PATCH 12/20] KVM: x86 emulator: Add Virtual-8086 mode of emulation Avi Kivity
2010-02-17 13:45 ` [PATCH 13/20] KVM: x86 emulator: fix memory access during x86 emulation Avi Kivity
2010-03-06 13:53   ` Stefan Bader
2010-03-07 10:07     ` Avi Kivity
2010-03-08 14:10       ` Stefan Bader
2010-03-08 14:12         ` Avi Kivity
2010-03-08 14:17           ` Stefan Bader
2010-03-08 20:48           ` Stefan Bader
2010-03-09 15:49             ` Stefan Bader
2010-02-17 13:45 ` [PATCH 14/20] KVM: x86 emulator: Check IOPL level during io instruction emulation Avi Kivity
2010-02-17 13:45 ` [PATCH 15/20] KVM: x86 emulator: Fix popf emulation Avi Kivity
2010-02-17 13:45 ` [PATCH 16/20] KVM: x86 emulator: Check CPL level during privilege instruction emulation Avi Kivity
2010-02-17 13:45 ` [PATCH 17/20] KVM: x86 emulator: Add LOCK prefix validity checking Avi Kivity
2010-02-17 13:45 ` [PATCH 18/20] KVM: Plan obsolescence of kernel allocated slots, paravirt mmu Avi Kivity
2010-02-17 13:45 ` [PATCH 19/20] KVM: x86 emulator: code style cleanup Avi Kivity
2010-02-17 13:45 ` Avi Kivity [this message]

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