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[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>
This commit is contained in:
Avi Kivity 2007-02-12 00:54:36 -08:00 committed by Linus Torvalds
parent e119d117a1
commit 988ad74ff6
2 changed files with 7 additions and 0 deletions
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6
drivers/kvm/vmx.c
View File

@ -1375,6 +1375,11 @@ static int handle_external_interrupt(struct kvm_vcpu *vcpu,
return 1; 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) 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) = { struct kvm_run *kvm_run) = {
[EXIT_REASON_EXCEPTION_NMI] = handle_exception, [EXIT_REASON_EXCEPTION_NMI] = handle_exception,
[EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt, [EXIT_REASON_EXTERNAL_INTERRUPT] = handle_external_interrupt,
[EXIT_REASON_TRIPLE_FAULT] = handle_triple_fault,
[EXIT_REASON_IO_INSTRUCTION] = handle_io, [EXIT_REASON_IO_INSTRUCTION] = handle_io,
[EXIT_REASON_CR_ACCESS] = handle_cr, [EXIT_REASON_CR_ACCESS] = handle_cr,
[EXIT_REASON_DR_ACCESS] = handle_dr, [EXIT_REASON_DR_ACCESS] = handle_dr,

1
drivers/kvm/vmx.h
View File

@ -180,6 +180,7 @@ enum vmcs_field {
#define EXIT_REASON_EXCEPTION_NMI 0 #define EXIT_REASON_EXCEPTION_NMI 0
#define EXIT_REASON_EXTERNAL_INTERRUPT 1 #define EXIT_REASON_EXTERNAL_INTERRUPT 1
#define EXIT_REASON_TRIPLE_FAULT 2
#define EXIT_REASON_PENDING_INTERRUPT 7 #define EXIT_REASON_PENDING_INTERRUPT 7