replace x86_read/write_per_cpu with a common function.
x86_read_per_cpu() and its writeish sister are not present in x86_64. So in
this patch, we replace them with __get_cpu_var(), which is present in both
Signed-off-by: Glauber de Oliveira Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 864be04..c20b4f8 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -238,18 +238,18 @@
static inline void enter_lazy(enum paravirt_lazy_mode mode)
{
- BUG_ON(x86_read_percpu(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
+ BUG_ON(__get_cpu_var(paravirt_lazy_mode) != PARAVIRT_LAZY_NONE);
BUG_ON(preemptible());
- x86_write_percpu(paravirt_lazy_mode, mode);
+ __get_cpu_var(paravirt_lazy_mode) = mode;
}
void paravirt_leave_lazy(enum paravirt_lazy_mode mode)
{
- BUG_ON(x86_read_percpu(paravirt_lazy_mode) != mode);
+ BUG_ON(__get_cpu_var(paravirt_lazy_mode) != mode);
BUG_ON(preemptible());
- x86_write_percpu(paravirt_lazy_mode, PARAVIRT_LAZY_NONE);
+ __get_cpu_var(paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
}
void paravirt_enter_lazy_mmu(void)
@@ -274,7 +274,7 @@
enum paravirt_lazy_mode paravirt_get_lazy_mode(void)
{
- return x86_read_percpu(paravirt_lazy_mode);
+ return __get_cpu_var(paravirt_lazy_mode);
}
struct pv_info pv_info = {
