The patch titled
kvm: vmx: handle triple faults by returning EXIT_REASON_SHUTDOWN to userspace
has been added to the -mm tree. Its filename is
kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: kvm: vmx: handle triple faults by returning EXIT_REASON_SHUTDOWN to userspace
From: Avi Kivity <avi@xxxxxxxxxxxx>
Just like svm.
Signed-off-by: Avi Kivity <avi@xxxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
drivers/kvm/vmx.c | 6 ++++++
drivers/kvm/vmx.h | 1 +
2 files changed, 7 insertions(+)
diff -puN drivers/kvm/vmx.c~kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace drivers/kvm/vmx.c
--- a/drivers/kvm/vmx.c~kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace
+++ a/drivers/kvm/vmx.c
@@ -1373,6 +1373,11 @@ static int handle_external_interrupt(str
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)
{
@@ -1633,6 +1638,7 @@ static int (*kvm_vmx_exit_handlers[])(st
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 -puN drivers/kvm/vmx.h~kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace drivers/kvm/vmx.h
--- a/drivers/kvm/vmx.h~kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace
+++ a/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
_
Patches currently in -mm which might be from avi@xxxxxxxxxxxx are
origin.patch
fix-x86_64-mm-convert-i386-pda-code-to-use-%fs.patch
kvm-optimize-inline-assembly.patch
kvm-fix-asm-constraint-for-lldt-instruction.patch
kvm-fix-gva_to_gpa.patch
kvm-vmx-handle-triple-faults-by-returning-exit_reason_shutdown-to-userspace.patch
kvm-fix-mmu-going-crazy-of-guest-sets-cr0wp-==-0.patch
kvm-svm-hack-initial-cpu-csbase-to-be-consistent-with-intel.patch
kvm-two-way-apic-tpr-synchronization.patch
kvm-vmx-reload-ds-and-es-even-in-64-bit-mode.patch
kvm-fix-mismatch-between-32-bit-and-64-bit-abi.patch
kvm-fix-vcpu-freeing-bug.patch
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