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authorJoerg Roedel <joerg.roedel@amd.com>2011-04-04 12:39:30 +0200
committerAvi Kivity <avi@redhat.com>2011-05-11 07:57:02 -0400
commitdee6bb70e4ac0588c98cc4e661664f0653117f89 (patch)
tree5ac61776dd5e6590b4b0b03b1ecc6e4cd031b85a /arch/x86/kvm/svm.c
parent3b88e41a41344846ee28007ebfe1bb0defa7f86a (diff)
downloadop-kernel-dev-dee6bb70e4ac0588c98cc4e661664f0653117f89.zip
op-kernel-dev-dee6bb70e4ac0588c98cc4e661664f0653117f89.tar.gz
KVM: SVM: Add intercept checks for descriptor table accesses
This patch add intercept checks into the KVM instruction emulator to check for the 8 instructions that access the descriptor table addresses. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm.c')
-rw-r--r--arch/x86/kvm/svm.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 381b038..ce251c9 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3884,6 +3884,14 @@ static struct __x86_intercept {
[x86_intercept_smsw] = POST_EX(SVM_EXIT_READ_CR0),
[x86_intercept_dr_read] = POST_EX(SVM_EXIT_READ_DR0),
[x86_intercept_dr_write] = POST_EX(SVM_EXIT_WRITE_DR0),
+ [x86_intercept_sldt] = POST_EX(SVM_EXIT_LDTR_READ),
+ [x86_intercept_str] = POST_EX(SVM_EXIT_TR_READ),
+ [x86_intercept_lldt] = POST_EX(SVM_EXIT_LDTR_WRITE),
+ [x86_intercept_ltr] = POST_EX(SVM_EXIT_TR_WRITE),
+ [x86_intercept_sgdt] = POST_EX(SVM_EXIT_GDTR_READ),
+ [x86_intercept_sidt] = POST_EX(SVM_EXIT_IDTR_READ),
+ [x86_intercept_lgdt] = POST_EX(SVM_EXIT_GDTR_WRITE),
+ [x86_intercept_lidt] = POST_EX(SVM_EXIT_IDTR_WRITE),
};
#undef POST_EX
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