1 files changed, 22 insertions, 1 deletions

diff --git a/litmus/cache_proc.c b/litmus/cache_proc.c
index 2f308142d2da..01350294afaf 100644
--- a/litmus/cache_proc.c
+++ b/litmus/cache_proc.c
@@ -410,7 +410,9 @@ void do_partition(enum crit_level lv, int cpu)
 

         }

         barrier();

-        cache_lockdown(regs, cpu);

+        //cache_lockdown(regs, cpu);

+        writel_relaxed(regs, cache_base + L2X0_LOCKDOWN_WAY_D_BASE + cpu * L2X0_LOCKDOWN_STRIDE);

+        writel_relaxed(regs, cache_base + L2X0_LOCKDOWN_WAY_I_BASE + cpu * L2X0_LOCKDOWN_STRIDE);

         barrier();

 

         raw_spin_unlock_irqrestore(&cache_lock, flags);

@@ -418,6 +420,25 @@ void do_partition(enum crit_level lv, int cpu)
         flush_cache(0);

 }

 

+void lock_cache(int cpu, u32 val)

+{

+        unsigned long flags;

+        

+        local_irq_save(flags);

+        if (val != 0xffffffff) {

+                writel_relaxed(val, cache_base + L2X0_LOCKDOWN_WAY_D_BASE +

+                                           cpu * L2X0_LOCKDOWN_STRIDE);

+                writel_relaxed(val, cache_base + L2X0_LOCKDOWN_WAY_I_BASE +

+                                           cpu * L2X0_LOCKDOWN_STRIDE);

+        }

+        else {

+                int i;

+                for (i = 0; i < 4; i++)

+                        do_partition(CRIT_LEVEL_A, i);

+        }

+        local_irq_restore(flags);

+}

+

 int use_part_proc_handler(struct ctl_table *table, int write, void __user *buffer,

                 size_t *lenp, loff_t *ppos)

 {