Merge branch 'timers/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[cascardo/linux.git] / arch / x86 / kernel / genapic_64.c

diff --git a/arch/x86/kernel/genapic_64.c b/arch/x86/kernel/genapic_64.c
index 021624c..1fa8be5 100644 (file)
--- a/arch/x86/kernel/genapic_64.c
+++ b/arch/x86/kernel/genapic_64.c
@@ -51,7 +51,7 @@ void __init setup_apic_routing(void)
        else
 #endif
 
-       if (num_possible_cpus() <= 8)
+       if (max_physical_apicid < 8)
                genapic = &apic_flat;
        else
                genapic = &apic_physflat;
@@ -83,7 +83,7 @@ unsigned int read_apic_id(void)
 {
        unsigned int id;
 
-       WARN_ON(preemptible());
+       WARN_ON(preemptible() && num_online_cpus() > 1);
        id = apic_read(APIC_ID);
        if (uv_system_type >= UV_X2APIC)
                id  |= __get_cpu_var(x2apic_extra_bits);