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authorJoerg Roedel <joerg.roedel@amd.com>2007-03-21 19:47:00 +0100
committerAvi Kivity <avi@qumranet.com>2007-05-03 10:52:26 +0300
commit916ce2360fadc71d924e02403b31280112a31280 (patch)
tree6cdb3c1e122cb25e18f1848c151aacc356c06fde /drivers/kvm/svm.h
parent0e5bf0d0e449f6597870570e8dd17e78ba4d75ff (diff)
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KVM: SVM: forbid guest to execute monitor/mwait
This patch forbids the guest to execute monitor/mwait instructions on SVM. This is necessary because the guest can execute these instructions if they are available even if the kvm cpuid doesn't report its existence. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'drivers/kvm/svm.h')
-rw-r--r--drivers/kvm/svm.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/kvm/svm.h b/drivers/kvm/svm.h
index df731c3fb588..5e93814400ce 100644
--- a/drivers/kvm/svm.h
+++ b/drivers/kvm/svm.h
@@ -44,6 +44,9 @@ enum {
INTERCEPT_RDTSCP,
INTERCEPT_ICEBP,
INTERCEPT_WBINVD,
+ INTERCEPT_MONITOR,
+ INTERCEPT_MWAIT,
+ INTERCEPT_MWAIT_COND,
};
@@ -298,6 +301,9 @@ struct __attribute__ ((__packed__)) vmcb {
#define SVM_EXIT_RDTSCP 0x087
#define SVM_EXIT_ICEBP 0x088
#define SVM_EXIT_WBINVD 0x089
+#define SVM_EXIT_MONITOR 0x08a
+#define SVM_EXIT_MWAIT 0x08b
+#define SVM_EXIT_MWAIT_COND 0x08c
#define SVM_EXIT_NPF 0x400
#define SVM_EXIT_ERR -1