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Diffstat (limited to 'arch/x86/cpu/mp_init.c')
-rw-r--r--arch/x86/cpu/mp_init.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/x86/cpu/mp_init.c b/arch/x86/cpu/mp_init.c
index aa1f47d7227..e2e1849c065 100644
--- a/arch/x86/cpu/mp_init.c
+++ b/arch/x86/cpu/mp_init.c
@@ -164,12 +164,12 @@ static inline void barrier_wait(atomic_t *b)
{
while (atomic_read(b) == 0)
asm("pause");
- mfence();
+ mb();
}
static inline void release_barrier(atomic_t *b)
{
- mfence();
+ mb();
atomic_set(b, 1);
}
@@ -631,7 +631,7 @@ static int run_ap_work(struct mp_callback *callback, struct udevice *bsp,
if (cur_cpu != i)
store_callback(&ap_callbacks[i], callback);
}
- mfence();
+ mb();
/* Wait for all the APs to signal back that call has been accepted. */
start = get_timer(0);
@@ -656,7 +656,7 @@ static int run_ap_work(struct mp_callback *callback, struct udevice *bsp,
} while (cpus_accepted != num_aps);
/* Make sure we can see any data written by the APs */
- mfence();
+ mb();
return 0;
}
@@ -692,7 +692,7 @@ static int ap_wait_for_instruction(struct udevice *cpu, void *unused)
/* Copy to local variable before using the value */
memcpy(&lcb, cb, sizeof(lcb));
- mfence();
+ mb();
if (lcb.logical_cpu_number == MP_SELECT_ALL ||
lcb.logical_cpu_number == MP_SELECT_APS ||
dev_seq(cpu) == lcb.logical_cpu_number)