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Commit 988ad74f authored by Avi Kivity's avatar Avi Kivity Committed by Linus Torvalds
Browse files

[PATCH] kvm: vmx: handle triple faults by returning EXIT_REASON_SHUTDOWN to userspace 



Just like svm.

Signed-off-by: default avatarAvi Kivity <avi@qumranet.com>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e119d117

drivers/kvm/vmx.c

+6 −0
Original line number Diff line number Diff line
@@ -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,

drivers/kvm/vmx.h

+1 −0
Original line number Diff line number Diff line
@@ -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