Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6

[sfrench/cifs-2.6.git] / arch / sh / kernel / cpu / init.c

diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index 726acfcb9b77bb8d94f879b6aeca4d309c9c1d82..6451ad630174b22646d1e7ab574945ff6059e8ec 100644 (file)
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -41,6 +41,23 @@ __setup("no" __stringify(x), x##_setup);
 onchip_setup(fpu);
 onchip_setup(dsp);
 
+#ifdef CONFIG_SPECULATIVE_EXECUTION
+#define CPUOPM         0xff2f0000
+#define CPUOPM_RABD    (1 << 5)
+
+static void __init speculative_execution_init(void)
+{
+       /* Clear RABD */
+       ctrl_outl(ctrl_inl(CPUOPM) & ~CPUOPM_RABD, CPUOPM);
+
+       /* Flush the update */
+       (void)ctrl_inl(CPUOPM);
+       ctrl_barrier();
+}
+#else
+#define speculative_execution_init()   do { } while (0)
+#endif
+
 /*
  * Generic first-level cache init
  */
@@ -261,4 +278,6 @@ asmlinkage void __init sh_cpu_init(void)
         */
        ubc_wakeup();
 #endif
+
+       speculative_execution_init();
 }