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-rw-r--r--arch/x86/machine/cpu.c3
-rw-r--r--arch/x86/machine/pmap.c2
2 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/machine/cpu.c b/arch/x86/machine/cpu.c
index 0d1a9f38..eb0eb7e1 100644
--- a/arch/x86/machine/cpu.c
+++ b/arch/x86/machine/cpu.c
@@ -527,7 +527,8 @@ cpu_mp_start_aps(void)
boot_ap_id = i;
boot_ap_stack_addr = cpu->boot_stack;
- mb_store();
+
+ barrier();
lapic_ipi_init_assert(cpu->apic_id);
cpu_delay(200);
diff --git a/arch/x86/machine/pmap.c b/arch/x86/machine/pmap.c
index 6ed5826e..0bae943b 100644
--- a/arch/x86/machine/pmap.c
+++ b/arch/x86/machine/pmap.c
@@ -638,7 +638,7 @@ pmap_kupdate(unsigned long start, unsigned long end)
pmap_update_start = start;
pmap_update_end = end;
pmap_nr_updates.count = nr_cpus - 1;
- mb_store();
+ barrier();
lapic_ipi_broadcast(TRAP_PMAP_UPDATE);
/*