Merge branches 'x86/paravirt', 'x86/pat', 'x86/setup-v2', 'x86/subarch', 'x86/uaccess...

[pandora-kernel.git] / arch / x86 / kernel / paravirt.c

diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index cea11c8..6dc4dca 100644 (file)
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -286,6 +286,32 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
        return __get_cpu_var(paravirt_lazy_mode);
 }
 
+void arch_flush_lazy_mmu_mode(void)
+{
+       preempt_disable();
+
+       if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_MMU) {
+               WARN_ON(preempt_count() == 1);
+               arch_leave_lazy_mmu_mode();
+               arch_enter_lazy_mmu_mode();
+       }
+
+       preempt_enable();
+}
+
+void arch_flush_lazy_cpu_mode(void)
+{
+       preempt_disable();
+
+       if (paravirt_get_lazy_mode() == PARAVIRT_LAZY_CPU) {
+               WARN_ON(preempt_count() == 1);
+               arch_leave_lazy_cpu_mode();
+               arch_enter_lazy_cpu_mode();
+       }
+
+       preempt_enable();
+}
+
 struct pv_info pv_info = {
        .name = "bare hardware",
        .paravirt_enabled = 0,