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authorTakashi Iwai <tiwai@suse.de>2009-03-17 09:28:13 +0100
committerTakashi Iwai <tiwai@suse.de>2009-03-17 09:28:13 +0100
commit37ba1b62836d2440980cf553c49556393b05c6cd (patch)
tree3bbd9b76117d484d5a624db1b2b9ec0181c7ff55 /arch/x86/kernel/paravirt.c
parent1713c0d508fbbb42aa5f90039195e5ac31a50625 (diff)
parentdde332b660cf0bc2baaba678b52768a0fb6e6da2 (diff)
Merge branch 'fix/opl3sa2-suspend' into topic/isa-misc
Diffstat (limited to 'arch/x86/kernel/paravirt.c')
-rw-r--r--arch/x86/kernel/paravirt.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index e4c8fb60887..c6520a4e85d 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -268,6 +268,32 @@ 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,