diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 23:00:05 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 23:00:05 +0200 |
| commit | 453c1404c5273a30d715e5a83372a78cff70b6d9 (patch) | |
| tree | 94a5a3abd85137c4def416a84a45989751260f20 /arch/x86/kernel/apic_64.c | |
| parent | a208f37a465e222218974ab20a31b42b7b4893b2 (diff) | |
| parent | 35b680557f95564f70f21a8d3f5c72e101fab260 (diff) | |
Merge branch 'x86/apic' into x86/x2apic
Conflicts:
arch/x86/kernel/paravirt.c
arch/x86/kernel/smpboot.c
arch/x86/kernel/vmi_32.c
arch/x86/lguest/boot.c
arch/x86/xen/enlighten.c
include/asm-x86/apic.h
include/asm-x86/paravirt.h
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/apic_64.c')
| -rw-r--r-- | arch/x86/kernel/apic_64.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index c75f58a66d8..46e612408ac 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -61,7 +61,7 @@ EXPORT_SYMBOL_GPL(local_apic_timer_c2_ok); /* * Debug level, exported for io_apic.c */ -int apic_verbosity; +unsigned int apic_verbosity; /* Have we found an MP table */ int smp_found_config; @@ -386,7 +386,7 @@ static void setup_APIC_timer(void) #define TICK_COUNT 100000000 -static void __init calibrate_APIC_clock(void) +static int __init calibrate_APIC_clock(void) { unsigned apic, apic_start; unsigned long tsc, tsc_start; @@ -440,6 +440,17 @@ static void __init calibrate_APIC_clock(void) clockevent_delta2ns(0xF, &lapic_clockevent); calibration_result = result / HZ; + + /* + * Do a sanity check on the APIC calibration result + */ + if (calibration_result < (1000000 / HZ)) { + printk(KERN_WARNING + "APIC frequency too slow, disabling apic timer\n"); + return -1; + } + + return 0; } /* @@ -466,14 +477,7 @@ void __init setup_boot_APIC_clock(void) } printk(KERN_INFO "Using local APIC timer interrupts.\n"); - calibrate_APIC_clock(); - - /* - * Do a sanity check on the APIC calibration result - */ - if (calibration_result < (1000000 / HZ)) { - printk(KERN_WARNING - "APIC frequency too slow, disabling apic timer\n"); + if (calibrate_APIC_clock()) { /* No broadcast on UP ! */ if (num_possible_cpus() > 1) setup_APIC_timer(); |