diff options
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 4996eec7aa79..83520a9f171e 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2591,8 +2591,14 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt) if (ret != X86EMUL_CONTINUE) goto emulate_shutdown; - ctxt->ops->post_leave_smm(ctxt); - + /* + * Note, the ctxt->ops callbacks are responsible for handling side + * effects when writing MSRs and CRs, e.g. MMU context resets, CPUID + * runtime updates, etc... If that changes, e.g. this flow is moved + * out of the emulator to make it look more like enter_smm(), then + * those side effects need to be explicitly handled for both success + * and shutdown. + */ return X86EMUL_CONTINUE; emulate_shutdown: |