[PATCH] x86_64: Fix OEM hpet check

Use bitmap_zero instead of bitmap_empty to initialise cpu mask This makes it
actually run reliable instead of relying on stack state.

Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index 7e13545..7f0b44e 100644 (file)
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -925,7 +925,7 @@ __init int oem_force_hpet_timer(void)
        unsigned id;
        DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS);
 
-       bitmap_empty(clustermap, NUM_APIC_CLUSTERS);
+       bitmap_zero(clustermap, NUM_APIC_CLUSTERS);
 
        for (i = 0; i < NR_CPUS; i++) {
                id = bios_cpu_apicid[i];