x86: Use this_cpu_ops to optimize code

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

diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 3afb33f..b45246f 100644 (file)
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -167,9 +167,9 @@ static void ftrace_mod_code(void)
 
 void ftrace_nmi_enter(void)
 {
-       __get_cpu_var(save_modifying_code) = modifying_code;
+       __this_cpu_write(save_modifying_code, modifying_code);
 
-       if (!__get_cpu_var(save_modifying_code))
+       if (!__this_cpu_read(save_modifying_code))
                return;
 
        if (atomic_inc_return(&nmi_running) & MOD_CODE_WRITE_FLAG) {
@@ -183,7 +183,7 @@ void ftrace_nmi_enter(void)
 
 void ftrace_nmi_exit(void)
 {
-       if (!__get_cpu_var(save_modifying_code))
+       if (!__this_cpu_read(save_modifying_code))
                return;
 
        /* Finish all executions before clearing nmi_running */