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-rw-r--r--arch/x86/include/asm/mpspec.h2
-rw-r--r--arch/x86/kernel/acpi/boot.c2
-rw-r--r--arch/x86/kernel/apic/apic.c17
-rw-r--r--arch/x86/kernel/apic/io_apic.c4
-rw-r--r--arch/x86/kernel/apic/probe_32.c2
-rw-r--r--arch/x86/kernel/smpboot.c10
6 files changed, 17 insertions, 20 deletions
diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index b07233b64578..c2f94dcc92ce 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -6,7 +6,6 @@
#include <asm/x86_init.h>
#include <asm/apicdef.h>
-extern int apic_version[];
extern int pic_mode;
#ifdef CONFIG_X86_32
@@ -40,6 +39,7 @@ extern int mp_bus_id_to_type[MAX_MP_BUSSES];
extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);
extern unsigned int boot_cpu_physical_apicid;
+extern u8 boot_cpu_apic_version;
extern unsigned long mp_lapic_addr;
#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 90d84c3eee53..fbd19444403f 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -182,7 +182,7 @@ static int acpi_register_lapic(int id, u32 acpiid, u8 enabled)
}
if (boot_cpu_physical_apicid != -1U)
- ver = apic_version[boot_cpu_physical_apicid];
+ ver = boot_cpu_apic_version;
cpu = generic_processor_info(id, ver);
if (cpu >= 0)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index f3e9b2df4b16..076c315cdf18 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -64,6 +64,8 @@ unsigned disabled_cpus;
unsigned int boot_cpu_physical_apicid = -1U;
EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid);
+u8 boot_cpu_apic_version;
+
/*
* The highest APIC ID seen during enumeration.
*/
@@ -1816,8 +1818,7 @@ void __init init_apic_mappings(void)
* since smp_sanity_check is prepared for such a case
* and disable smp mode
*/
- apic_version[new_apicid] =
- GET_APIC_VERSION(apic_read(APIC_LVR));
+ boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
}
}
@@ -1832,13 +1833,10 @@ void __init register_lapic_address(unsigned long address)
}
if (boot_cpu_physical_apicid == -1U) {
boot_cpu_physical_apicid = read_apic_id();
- apic_version[boot_cpu_physical_apicid] =
- GET_APIC_VERSION(apic_read(APIC_LVR));
+ boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
}
}
-int apic_version[MAX_LOCAL_APIC];
-
/*
* Local APIC interrupts
*/
@@ -2130,11 +2128,10 @@ int generic_processor_info(int apicid, int version)
cpu, apicid);
version = 0x10;
}
- apic_version[apicid] = version;
- if (version != apic_version[boot_cpu_physical_apicid]) {
+ if (version != boot_cpu_apic_version) {
pr_warning("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n",
- apic_version[boot_cpu_physical_apicid], cpu, version);
+ boot_cpu_apic_version, cpu, version);
}
physid_set(apicid, phys_cpu_present_map);
@@ -2277,7 +2274,7 @@ int __init APIC_init_uniprocessor(void)
* Complain if the BIOS pretends there is one.
*/
if (!boot_cpu_has(X86_FEATURE_APIC) &&
- APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ APIC_INTEGRATED(boot_cpu_apic_version)) {
pr_err("BIOS bug, local APIC 0x%x not detected!...\n",
boot_cpu_physical_apicid);
return -1;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7491f417a8e4..48e6d84f173e 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1593,7 +1593,7 @@ void __init setup_ioapic_ids_from_mpc(void)
* no meaning without the serial APIC bus.
*/
if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ || APIC_XAPIC(boot_cpu_apic_version))
return;
setup_ioapic_ids_from_mpc_nocheck();
}
@@ -2423,7 +2423,7 @@ static int io_apic_get_unique_id(int ioapic, int apic_id)
static u8 io_apic_unique_id(int idx, u8 id)
{
if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
- !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ !APIC_XAPIC(boot_cpu_apic_version))
return io_apic_get_unique_id(idx, id);
else
return id;
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 7c43e716c158..563096267ca2 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -152,7 +152,7 @@ early_param("apic", parse_apic);
void __init default_setup_apic_routing(void)
{
- int version = apic_version[boot_cpu_physical_apicid];
+ int version = boot_cpu_apic_version;
if (num_possible_cpus() > 8) {
switch (boot_cpu_data.x86_vendor) {
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 4296beb8fdd3..75a045424be7 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -690,7 +690,7 @@ wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip)
* Give the other CPU some time to accept the IPI.
*/
udelay(200);
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
maxlvt = lapic_get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
@@ -717,7 +717,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip)
/*
* Be paranoid about clearing APIC errors.
*/
- if (APIC_INTEGRATED(apic_version[phys_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
apic_read(APIC_ESR);
@@ -756,7 +756,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip)
* Determine this based on the APIC version.
* If we don't have an integrated APIC, don't send the STARTUP IPIs.
*/
- if (APIC_INTEGRATED(apic_version[phys_apicid]))
+ if (APIC_INTEGRATED(boot_cpu_apic_version))
num_starts = 2;
else
num_starts = 0;
@@ -994,7 +994,7 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
/*
* Be paranoid about clearing APIC errors.
*/
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
apic_write(APIC_ESR, 0);
apic_read(APIC_ESR);
}
@@ -1249,7 +1249,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
/*
* If we couldn't find a local APIC, then get out of here now!
*/
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid]) &&
+ if (APIC_INTEGRATED(boot_cpu_apic_version) &&
!boot_cpu_has(X86_FEATURE_APIC)) {
if (!disable_apic) {
pr_err("BIOS bug, local APIC #%d not detected!...\n",
generated by cgit v1.2.3 (git 2.46.0) at 2025-07-29 06:40:09 +0000