x86: Convert set_atomicity_lock to raw_spinlock
authorThomas Gleixner <tglx@linutronix.de>
Sat, 25 Jul 2009 16:33:11 +0000 (18:33 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Tue, 16 Feb 2010 17:03:01 +0000 (18:03 +0100)
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
arch/x86/kernel/cpu/mtrr/generic.c

index 163e59e..9aa5dc7 100644 (file)
@@ -570,7 +570,7 @@ static unsigned long set_mtrr_state(void)
 
 
 static unsigned long cr4;
-static DEFINE_SPINLOCK(set_atomicity_lock);
+static DEFINE_RAW_SPINLOCK(set_atomicity_lock);
 
 /*
  * Since we are disabling the cache don't allow any interrupts,
@@ -590,7 +590,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock)
         * changes to the way the kernel boots
         */
 
-       spin_lock(&set_atomicity_lock);
+       raw_spin_lock(&set_atomicity_lock);
 
        /* Enter the no-fill (CD=1, NW=0) cache mode and flush caches. */
        cr0 = read_cr0() | X86_CR0_CD;
@@ -627,7 +627,7 @@ static void post_set(void) __releases(set_atomicity_lock)
        /* Restore value of CR4 */
        if (cpu_has_pge)
                write_cr4(cr4);
-       spin_unlock(&set_atomicity_lock);
+       raw_spin_unlock(&set_atomicity_lock);
 }
 
 static void generic_set_all(void)