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| author | Joerg Roedel <joerg.roedel@amd.com> | 2011-04-04 12:39:29 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-05-11 07:57:01 -0400 |
| commit | 3b88e41a41344846ee28007ebfe1bb0defa7f86a (patch) | |
| tree | 9c08334297bd05def6d3dffb1b947dd9b26b1ac5 /arch/x86/kvm/svm.c | |
| parent | cfec82cb7d313ae5b2c2dbb974401d7c214c7b09 (diff) | |
KVM: SVM: Add intercept check for accessing dr registers
This patch adds the intercept checks for instruction
accessing the debug registers.
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.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index ff4ed3619d00..381b038c0d01 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -3882,6 +3882,8 @@ static struct __x86_intercept { [x86_intercept_clts] = POST_EX(SVM_EXIT_WRITE_CR0), [x86_intercept_lmsw] = POST_EX(SVM_EXIT_WRITE_CR0), [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), }; #undef POST_EX @@ -3939,6 +3941,10 @@ static int svm_check_intercept(struct kvm_vcpu *vcpu, break; } + case SVM_EXIT_READ_DR0: + case SVM_EXIT_WRITE_DR0: + icpt_info.exit_code += info->modrm_reg; + break; default: break; } |