diff options
| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-08-24 02:01:49 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-16 16:53:02 +0200 |
| commit | f28c0ae21d80ffd6eb0987901c5273843387e341 (patch) | |
| tree | 30e5d497a5deefdcfaf862f9c5c7a78dfc825cec /arch/x86/kernel/apic_64.c | |
| parent | 3491998dd54f6d4ef7344518fe5463b299fdf537 (diff) | |
x86: make apic_32/64.c more like
except x2apic, detec_init_APIC, and calibrating_APIC_clock
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
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 | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c index eeb69838c2f8..dca6c246e731 100644 --- a/arch/x86/kernel/apic_64.c +++ b/arch/x86/kernel/apic_64.c @@ -69,6 +69,9 @@ static int __init parse_lapic(char *arg) return 0; } early_param("lapic", parse_lapic); +/* Local APIC was disabled by the BIOS and enabled by the kernel */ +static int enabled_via_apicbase; + #endif #ifdef CONFIG_X86_64 @@ -1279,6 +1282,7 @@ static int __init detect_init_APIC(void) return 0; } +#ifdef CONFIG_X86_64 void __init early_init_lapic_mapping(void) { unsigned long phys_addr; @@ -1302,6 +1306,7 @@ void __init early_init_lapic_mapping(void) */ boot_cpu_physical_apicid = read_apic_id(); } +#endif /** * init_apic_mappings - initialize APIC mappings @@ -1334,7 +1339,8 @@ void __init init_apic_mappings(void) * Fetch the APIC ID of the BSP in case we have a * default configuration (or the MP table is broken). */ - boot_cpu_physical_apicid = read_apic_id(); + if (boot_cpu_physical_apicid == -1U) + boot_cpu_physical_apicid = read_apic_id(); } /* @@ -1782,6 +1788,7 @@ static void apic_pm_activate(void) { } #endif /* CONFIG_PM */ +#ifdef CONFIG_X86_64 /* * apic_is_clustered_box() -- Check if we can expect good TSC * @@ -1857,6 +1864,7 @@ __cpuinit int apic_is_clustered_box(void) */ return (clusters > 2); } +#endif /* * APIC command line parameters |