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authorThomas Gleixner <tglx@linutronix.de>2009-07-25 18:33:11 +0200
committerThomas Gleixner <tglx@linutronix.de>2010-02-16 18:03:01 +0100
commit40d6753e78a602bdf62e7741c0caa36474882f00 (patch)
tree843f02a4acbaccd88a3b912a3c44f45e110661e4 /arch/x86/kernel/cpu/mtrr
parent942fa3b63eb525aa0512ba28c42e656d8efc6787 (diff)
downloadop-kernel-dev-40d6753e78a602bdf62e7741c0caa36474882f00.zip
op-kernel-dev-40d6753e78a602bdf62e7741c0caa36474882f00.tar.gz
x86: Convert set_atomicity_lock to raw_spinlock
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr')
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 163e59e..9aa5dc7 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -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)
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