x86: fix APIC warning on 32bit v2

for http://bugzilla.kernel.org/show_bug.cgi?id=10613

BIOS bug, APIC version is 0 for CPU#0! fixing up to 0x10. (tell your hw vendor)

v2: fix 64 bit compilation

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Gabriel C <nix.or.die@googlemail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Yinghai Lu 2008-05-22 18:22:30 -07:00 коммит произвёл Thomas Gleixner
Родитель c3b25b32e8
Коммит fb3bbd6a66
1 изменённых файлов: 14 добавлений и 2 удалений

Просмотреть файл

@ -242,12 +242,19 @@ static int __init acpi_parse_madt(struct acpi_table_header *table)
static void __cpuinit acpi_register_lapic(int id, u8 enabled)
{
unsigned int ver = 0;
if (!enabled) {
++disabled_cpus;
return;
}
generic_processor_info(id, 0);
#ifdef CONFIG_X86_32
if (boot_cpu_physical_apicid != -1U)
ver = apic_version[boot_cpu_physical_apicid];
#endif
generic_processor_info(id, ver);
}
static int __init
@ -767,8 +774,13 @@ static void __init acpi_register_lapic_address(unsigned long address)
mp_lapic_addr = address;
set_fixmap_nocache(FIX_APIC_BASE, address);
if (boot_cpu_physical_apicid == -1U)
if (boot_cpu_physical_apicid == -1U) {
boot_cpu_physical_apicid = GET_APIC_ID(read_apic_id());
#ifdef CONFIG_X86_32
apic_version[boot_cpu_physical_apicid] =
GET_APIC_VERSION(apic_read(APIC_LVR));
#endif
}
}
static int __init early_acpi_parse_madt_lapic_addr_ovr(void)