The vmcb01 g_pat field holds the value of L1's IA32_PAT MSR. To preserve this value through virtual SMM and serialization, add g_pat to the fields copied by svm_copy_vmrun_state().
Signed-off-by: Jim Mattson <[email protected]> --- arch/x86/kvm/svm/nested.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c index f295a41ec659..a0e5bf1aba52 100644 --- a/arch/x86/kvm/svm/nested.c +++ b/arch/x86/kvm/svm/nested.c @@ -1090,6 +1090,7 @@ void svm_copy_vmrun_state(struct vmcb_save_area *to_save, to_save->gdtr = from_save->gdtr; to_save->idtr = from_save->idtr; to_save->rflags = from_save->rflags | X86_EFLAGS_FIXED; + to_save->g_pat = from_save->g_pat; to_save->efer = from_save->efer; to_save->cr0 = from_save->cr0; to_save->cr3 = from_save->cr3; -- 2.52.0.457.g6b5491de43-goog
