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authorAvi Kivity <avi@qumranet.com>2007-02-12 00:54:36 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 09:48:40 -0800
commit988ad74ff6107d9a490ee193e41251e27d37c95f (patch)
treee9c84f547405951a13b53f9d08e343a46147e070
parente119d117a1d16e71876144188c0e0b3ecb8aeede (diff)
[PATCH] kvm: vmx: handle triple faults by returning EXIT_REASON_SHUTDOWN to userspace
Just like svm. Signed-off-by: Avi Kivity <avi@qumranet.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/kvm/vmx.c6
-rw-r--r--drivers/kvm/vmx.h1
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 5cc1a6ec0174..e152caa9d9f9 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1375,6 +1375,11 @@ static int handle_external_interrupt(struct kvm_vcpu *vcpu,
return 1;
}
+static int handle_triple_fault(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
+{
+ kvm_run->exit_reason = KVM_EXIT_SHUTDOWN;
+ return 0;
+}
static int get_io_count(struct kvm_vcpu *vcpu, u64 *count)
{
@@ -1635,6 +1640,7 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu,
struct kvm_run *kvm_run) = {
[EXIT_REASON_EXCEPTION_NMI] = handle_exception,
[EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt,
+ [EXIT_REASON_TRIPLE_FAULT] = handle_triple_fault,
[EXIT_REASON_IO_INSTRUCTION] = handle_io,
[EXIT_REASON_CR_ACCESS] = handle_cr,
[EXIT_REASON_DR_ACCESS] = handle_dr,
diff --git a/drivers/kvm/vmx.h b/drivers/kvm/vmx.h
index 4c0ab151836a..d0dc93df411b 100644
--- a/drivers/kvm/vmx.h
+++ b/drivers/kvm/vmx.h
@@ -180,6 +180,7 @@ enum vmcs_field {
#define EXIT_REASON_EXCEPTION_NMI 0
#define EXIT_REASON_EXTERNAL_INTERRUPT 1
+#define EXIT_REASON_TRIPLE_FAULT 2
#define EXIT_REASON_PENDING_INTERRUPT 7