diff options
Diffstat (limited to 'arch/x86_64/kernel')
| -rw-r--r-- | arch/x86_64/kernel/apic.c | 7 | ||||
| -rw-r--r-- | arch/x86_64/kernel/time.c | 4 |
2 files changed, 5 insertions, 6 deletions
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c index 29ef99001e0..53fc17d894e 100644 --- a/arch/x86_64/kernel/apic.c +++ b/arch/x86_64/kernel/apic.c @@ -983,7 +983,7 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) } /* - * oem_force_hpet_timer -- force HPET mode for some boxes. + * apic_is_clustered_box() -- Check if we can expect good TSC * * Thus far, the major user of this is IBM's Summit2 series: * @@ -991,7 +991,7 @@ void smp_apic_timer_interrupt(struct pt_regs *regs) * multi-chassis. Use available data to take a good guess. * If in doubt, go HPET. */ -__cpuinit int oem_force_hpet_timer(void) +__cpuinit int apic_is_clustered_box(void) { int i, clusters, zeros; unsigned id; @@ -1022,8 +1022,7 @@ __cpuinit int oem_force_hpet_timer(void) } /* - * If clusters > 2, then should be multi-chassis. Return 1 for HPET. - * Else return 0 to use TSC. + * If clusters > 2, then should be multi-chassis. * May have to revisit this when multi-core + hyperthreaded CPUs come * out, but AFAIK this will work even for them. */ diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c index 7392570f975..54b14e3ef66 100644 --- a/arch/x86_64/kernel/time.c +++ b/arch/x86_64/kernel/time.c @@ -956,10 +956,10 @@ void __init time_init(void) __cpuinit int unsynchronized_tsc(void) { #ifdef CONFIG_SMP - if (oem_force_hpet_timer()) + if (apic_is_clustered_box()) return 1; /* Intel systems are normally all synchronized. Exceptions - are handled in the OEM check above. */ + are handled in the check above. */ if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) return 0; #endif |