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-rw-r--r--arch/i386/Kconfig73
-rw-r--r--arch/i386/Kconfig.cpu2
-rw-r--r--arch/i386/boot/video.S5
-rw-r--r--arch/i386/kernel/Makefile2
-rw-r--r--arch/i386/kernel/acpi/boot.c10
-rw-r--r--arch/i386/kernel/apic.c23
-rw-r--r--arch/i386/kernel/cpu/amd.c2
-rw-r--r--arch/i386/kernel/cpu/cpufreq/powernow-k8.c18
-rw-r--r--arch/i386/kernel/dmi_scan.c358
-rw-r--r--arch/i386/kernel/i386_ksyms.c1
-rw-r--r--arch/i386/kernel/mpparse.c43
-rw-r--r--arch/i386/kernel/reboot_fixups.c2
-rw-r--r--arch/i386/kernel/setup.c36
-rw-r--r--arch/i386/kernel/syscall_table.S1
-rw-r--r--arch/i386/kernel/traps.c16
-rw-r--r--arch/i386/mach-voyager/voyager_cat.c10
-rw-r--r--arch/i386/mm/init.c2
-rw-r--r--arch/i386/pci/direct.c13
-rw-r--r--arch/i386/pci/irq.c3
-rw-r--r--arch/i386/pci/mmconfig.c67
20 files changed, 211 insertions, 476 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index f17bd1d2707..18ec9fe6deb 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -53,6 +53,35 @@ source "init/Kconfig"
menu "Processor type and features"
+config SMP
+ bool "Symmetric multi-processing support"
+ ---help---
+ This enables support for systems with more than one CPU. If you have
+ a system with only one CPU, like most personal computers, say N. If
+ you have a system with more than one CPU, say Y.
+
+ If you say N here, the kernel will run on single and multiprocessor
+ machines, but will use only one CPU of a multiprocessor machine. If
+ you say Y here, the kernel will run on many, but not all,
+ singleprocessor machines. On a singleprocessor machine, the kernel
+ will run faster if you say N here.
+
+ Note that if you say Y here and choose architecture "586" or
+ "Pentium" under "Processor family", the kernel will not work on 486
+ architectures. Similarly, multiprocessor kernels for the "PPro"
+ architecture may not work on all Pentium based boards.
+
+ People using multiprocessor machines who say Y here should also say
+ Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
+ Management" code will be disabled if you say Y here.
+
+ See also the <file:Documentation/smp.txt>,
+ <file:Documentation/i386/IO-APIC.txt>,
+ <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
+ <http://www.tldp.org/docs.html#howto>.
+
+ If you don't know what to do here, say N.
+
choice
prompt "Subarchitecture Type"
default X86_PC
@@ -178,35 +207,6 @@ config HPET_EMULATE_RTC
depends on HPET_TIMER && RTC=y
default y
-config SMP
- bool "Symmetric multi-processing support"
- ---help---
- This enables support for systems with more than one CPU. If you have
- a system with only one CPU, like most personal computers, say N. If
- you have a system with more than one CPU, say Y.
-
- If you say N here, the kernel will run on single and multiprocessor
- machines, but will use only one CPU of a multiprocessor machine. If
- you say Y here, the kernel will run on many, but not all,
- singleprocessor machines. On a singleprocessor machine, the kernel
- will run faster if you say N here.
-
- Note that if you say Y here and choose architecture "586" or
- "Pentium" under "Processor family", the kernel will not work on 486
- architectures. Similarly, multiprocessor kernels for the "PPro"
- architecture may not work on all Pentium based boards.
-
- People using multiprocessor machines who say Y here should also say
- Y to "Enhanced Real Time Clock Support", below. The "Advanced Power
- Management" code will be disabled if you say Y here.
-
- See also the <file:Documentation/smp.txt>,
- <file:Documentation/i386/IO-APIC.txt>,
- <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at
- <http://www.tldp.org/docs.html#howto>.
-
- If you don't know what to do here, say N.
-
config NR_CPUS
int "Maximum number of CPUs (2-255)"
range 2 255
@@ -522,6 +522,12 @@ config NUMA
comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)
+config NODES_SHIFT
+ int
+ default "4" if X86_NUMAQ
+ default "3"
+ depends on NEED_MULTIPLE_NODES
+
config HAVE_ARCH_BOOTMEM_NODE
bool
depends on NUMA
@@ -757,15 +763,6 @@ config HOTPLUG_CPU
Say N.
-config DOUBLEFAULT
- default y
- bool "Enable doublefault exception handler" if EMBEDDED
- help
- This option allows trapping of rare doublefault exceptions that
- would otherwise cause a system to silently reboot. Disabling this
- option saves about 4k and might cause you much additional grey
- hair.
-
endmenu
diff --git a/arch/i386/Kconfig.cpu b/arch/i386/Kconfig.cpu
index 79603b3471f..eb130482ba1 100644
--- a/arch/i386/Kconfig.cpu
+++ b/arch/i386/Kconfig.cpu
@@ -311,5 +311,5 @@ config X86_OOSTORE
config X86_TSC
bool
- depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1) && !X86_NUMAQ
+ depends on (MWINCHIP3D || MWINCHIP2 || MCRUSOE || MEFFICEON || MCYRIXIII || MK7 || MK6 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || MK8 || MVIAC3_2 || MGEODEGX1 || MGEODE_LX) && !X86_NUMAQ
default y
diff --git a/arch/i386/boot/video.S b/arch/i386/boot/video.S
index 0000a267453..c9343c3a808 100644
--- a/arch/i386/boot/video.S
+++ b/arch/i386/boot/video.S
@@ -97,6 +97,7 @@
#define PARAM_VESAPM_OFF 0x30
#define PARAM_LFB_PAGES 0x32
#define PARAM_VESA_ATTRIB 0x34
+#define PARAM_CAPABILITIES 0x36
/* Define DO_STORE according to CONFIG_VIDEO_RETAIN */
#ifdef CONFIG_VIDEO_RETAIN
@@ -233,6 +234,10 @@ mopar_gr:
movw 18(%di), %ax
movl %eax, %fs:(PARAM_LFB_SIZE)
+# store mode capabilities
+ movl 10(%di), %eax
+ movl %eax, %fs:(PARAM_CAPABILITIES)
+
# switching the DAC to 8-bit is for <= 8 bpp only
movw %fs:(PARAM_LFB_DEPTH), %ax
cmpw $8, %ax
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 5b9ed21216c..96fb8a020af 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -6,7 +6,7 @@ extra-y := head.o init_task.o vmlinux.lds
obj-y := process.o semaphore.o signal.o entry.o traps.o irq.o \
ptrace.o time.o ioport.o ldt.o setup.o i8259.o sys_i386.o \
- pci-dma.o i386_ksyms.o i387.o dmi_scan.o bootflag.o \
+ pci-dma.o i386_ksyms.o i387.o bootflag.o \
quirks.o i8237.o topology.o alternative.o
obj-y += cpu/
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 033066176b3..030a0007a4e 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -168,7 +168,7 @@ int __init acpi_parse_mcfg(unsigned long phys_addr, unsigned long size)
unsigned long i;
int config_size;
- if (!phys_addr || !size)
+ if (!phys_addr || !size || !cpu_has_apic)
return -EINVAL;
mcfg = (struct acpi_table_mcfg *)__acpi_map_table(phys_addr, size);
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
{
struct acpi_table_madt *madt = NULL;
- if (!phys_addr || !size)
+ if (!phys_addr || !size || !cpu_has_apic)
return -EINVAL;
madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -693,6 +693,9 @@ static int __init acpi_parse_madt_lapic_entries(void)
{
int count;
+ if (!cpu_has_apic)
+ return -ENODEV;
+
/*
* Note that the LAPIC address is obtained from the MADT (32-bit value)
* and (optionally) overriden by a LAPIC_ADDR_OVR entry (64-bit value).
@@ -751,6 +754,9 @@ static int __init acpi_parse_madt_ioapic_entries(void)
return -ENODEV;
}
+ if (!cpu_has_apic)
+ return -ENODEV;
+
/*
* if "noapic" boot option, don't look for IO-APICs
*/
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 6273bf74c20..254cee9f0b7 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -62,6 +62,18 @@ int apic_verbosity;
static void apic_pm_activate(void);
+int modern_apic(void)
+{
+ unsigned int lvr, version;
+ /* AMD systems use old APIC versions, so check the CPU */
+ if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD &&
+ boot_cpu_data.x86 >= 0xf)
+ return 1;
+ lvr = apic_read(APIC_LVR);
+ version = GET_APIC_VERSION(lvr);
+ return version >= 0x14;
+}
+
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -119,10 +131,7 @@ void enable_NMI_through_LVT0 (void * dummy)
int get_physical_broadcast(void)
{
- unsigned int lvr, version;
- lvr = apic_read(APIC_LVR);
- version = GET_APIC_VERSION(lvr);
- if (!APIC_INTEGRATED(version) || version >= 0x14)
+ if (modern_apic())
return 0xff;
else
return 0xf;
@@ -349,9 +358,9 @@ int __init verify_local_APIC(void)
void __init sync_Arb_IDs(void)
{
- /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1 */
- unsigned int ver = GET_APIC_VERSION(apic_read(APIC_LVR));
- if (ver >= 0x14) /* P4 or higher */
+ /* Unsupported on P4 - see Intel Dev. Manual Vol. 3, Ch. 8.6.1
+ And not needed on AMD */
+ if (modern_apic())
return;
/*
* Wait for idle.
diff --git a/arch/i386/kernel/cpu/amd.c b/arch/i386/kernel/cpu/amd.c
index 0810f81f2a0..ff2b2154ac1 100644
--- a/arch/i386/kernel/cpu/amd.c
+++ b/arch/i386/kernel/cpu/amd.c
@@ -212,8 +212,6 @@ static void __init init_amd(struct cpuinfo_x86 *c)
if (cpuid_eax(0x80000000) >= 0x80000008) {
c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
- if (c->x86_max_cores & (c->x86_max_cores - 1))
- c->x86_max_cores = 1;
}
if (cpuid_eax(0x80000000) >= 0x80000007) {
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index 712a26bd445..7c0e160a214 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -46,7 +46,7 @@
#define PFX "powernow-k8: "
#define BFX PFX "BIOS error: "
-#define VERSION "version 1.60.1"
+#define VERSION "version 1.60.2"
#include "powernow-k8.h"
/* serialize freq changes */
@@ -55,7 +55,7 @@ static DEFINE_MUTEX(fidvid_mutex);
static struct powernow_k8_data *powernow_data[NR_CPUS];
#ifndef CONFIG_SMP
-static cpumask_t cpu_core_map[1] = { CPU_MASK_ALL };
+static cpumask_t cpu_core_map[1];
#endif
/* Return a frequency in MHz, given an input fid */
@@ -910,6 +910,9 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
unsigned int newstate;
int ret = -EIO;
+ if (!data)
+ return -EINVAL;
+
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(pol->cpu));
@@ -969,6 +972,9 @@ static int powernowk8_verify(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data = powernow_data[pol->cpu];
+ if (!data)
+ return -EINVAL;
+
return cpufreq_frequency_table_verify(pol, data->powernow_table);
}
@@ -977,7 +983,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
{
struct powernow_k8_data *data;
cpumask_t oldmask = CPU_MASK_ALL;
- int rc, i;
+ int rc;
if (!cpu_online(pol->cpu))
return -ENODEV;
@@ -1063,8 +1069,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
printk("cpu_init done, current fid 0x%x, vid 0x%x\n",
data->currfid, data->currvid);
- for_each_cpu_mask(i, cpu_core_map[pol->cpu])
- powernow_data[i] = data;
+ powernow_data[pol->cpu] = data;
return 0;
@@ -1104,6 +1109,9 @@ static unsigned int powernowk8_get (unsigned int cpu)
if (!data)
return -EINVAL;
+ if (!data)
+ return -EINVAL;
+
set_cpus_allowed(current, cpumask_of_cpu(cpu));
if (smp_processor_id() != cpu) {
printk(KERN_ERR PFX "limiting to CPU %d failed in powernowk8_get\n", cpu);
diff --git a/arch/i386/kernel/dmi_scan.c b/arch/i386/kernel/dmi_scan.c
deleted file mode 100644
index 5efceebc48d..00000000000
--- a/arch/i386/kernel/dmi_scan.c
+++ /dev/null
@@ -1,358 +0,0 @@
-#include <linux/types.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <linux/efi.h>
-#include <linux/bootmem.h>
-#include <linux/slab.h>
-#include <asm/dmi.h>
-
-static char * __init dmi_string(struct dmi_header *dm, u8 s)
-{
- u8 *bp = ((u8 *) dm) + dm->length;
- char *str = "";
-
- if (s) {
- s--;
- while (s > 0 && *bp) {
- bp += strlen(bp) + 1;
- s--;
- }
-
- if (*bp != 0) {
- str = dmi_alloc(strlen(bp) + 1);
- if (str != NULL)
- strcpy(str, bp);
- else
- printk(KERN_ERR "dmi_string: out of memory.\n");
- }
- }
-
- return str;
-}
-
-/*
- * We have to be cautious here. We have seen BIOSes with DMI pointers
- * pointing to completely the wrong place for example
- */
-static int __init dmi_table(u32 base, int len, int num,
- void (*decode)(struct dmi_header *))
-{
- u8 *buf, *data;
- int i = 0;
-
- buf = dmi_ioremap(base, len);
- if (buf == NULL)
- return -1;
-
- data = buf;
-
- /*
- * Stop when we see all the items the table claimed to have
- * OR we run off the end of the table (also happens)
- */
- while ((i < num) && (data - buf + sizeof(struct dmi_header)) <= len) {
- struct dmi_header *dm = (struct dmi_header *)data;
- /*
- * We want to know the total length (formated area and strings)
- * before decoding to make sure we won't run off the table in
- * dmi_decode or dmi_string
- */
- data += dm->length;
- while ((data - buf < len - 1) && (data[0] || data[1]))
- data++;
- if (data - buf < len - 1)
- decode(dm);
- data += 2;
- i++;
- }
- dmi_iounmap(buf, len);
- return 0;
-}
-
-static int __init dmi_checksum(u8 *buf)
-{
- u8 sum = 0;
- int a;
-
- for (a = 0; a < 15; a++)
- sum += buf[a];
-
- return sum == 0;
-}
-
-static char *dmi_ident[DMI_STRING_MAX];
-static LIST_HEAD(dmi_devices);
-
-/*
- * Save a DMI string
- */
-static void __init dmi_save_ident(struct dmi_header *dm, int slot, int string)
-{
- char *p, *d = (char*) dm;
-
- if (dmi_ident[slot])
- return;
-
- p = dmi_string(dm, d[string]);
- if (p == NULL)
- return;
-
- dmi_ident[slot] = p;
-}
-
-static void __init dmi_save_devices(struct dmi_header *dm)
-{
- int i, count = (dm->length - sizeof(struct dmi_header)) / 2;
- struct dmi_device *dev;
-
- for (i = 0; i < count; i++) {
- char *d = (char *)(dm + 1) + (i * 2);
-
- /* Skip disabled device */
- if ((*d & 0x80) == 0)
- continue;
-
- dev = dmi_alloc(sizeof(*dev));
- if (!dev) {
- printk(KERN_ERR "dmi_save_devices: out of memory.\n");
- break;
- }
-
- dev->type = *d++ & 0x7f;
- dev->name = dmi_string(dm, *d);
- dev->device_data = NULL;
-
- list_add(&dev->list, &dmi_devices);
- }
-}
-
-static void __init dmi_save_ipmi_device(struct dmi_header *dm)
-{
- struct dmi_device *dev;
- void * data;
-
- data = dmi_alloc(dm->length);
- if (data == NULL) {
- printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n");
- return;
- }
-
- memcpy(data, dm, dm->length);
-
- dev = dmi_alloc(sizeof(*dev));
- if (!dev) {
- printk(KERN_ERR "dmi_save_ipmi_device: out of memory.\n");
- return;
- }
-
- dev->type = DMI_DEV_TYPE_IPMI;
- dev->name = "IPMI controller";
- dev->device_data = data;
-
- list_add(&dev->list, &dmi_devices);
-}
-
-/*
- * Process a DMI table entry. Right now all we care about are the BIOS
- * and machine entries. For 2.5 we should pull the smbus controller info
- * out of here.
- */
-static void __init dmi_decode(struct dmi_header *dm)
-{
- switch(dm->type) {
- case 0: /* BIOS Information */
- dmi_save_ident(dm, DMI_BIOS_VENDOR, 4);
- dmi_save_ident(dm, DMI_BIOS_VERSION, 5);
- dmi_save_ident(dm, DMI_BIOS_DATE, 8);
- break;
- case 1: /* System Information */
- dmi_save_ident(dm, DMI_SYS_VENDOR, 4);
- dmi_save_ident(dm, DMI_PRODUCT_NAME, 5);
- dmi_save_ident(dm, DMI_PRODUCT_VERSION, 6);
- dmi_save_ident(dm, DMI_PRODUCT_SERIAL, 7);
- break;
- case 2: /* Base Board Information */
- dmi_save_ident(dm, DMI_BOARD_VENDOR, 4);
- dmi_save_ident(dm, DMI_BOARD_NAME, 5);
- dmi_save_ident(dm, DMI_BOARD_VERSION, 6);
- break;
- case 10: /* Onboard Devices Information */
- dmi_save_devices(dm);
- break;
- case 38: /* IPMI Device Information */
- dmi_save_ipmi_device(dm);
- }
-}
-
-static int __init dmi_present(char __iomem *p)
-{
- u8 buf[15];
- memcpy_fromio(buf, p, 15);
- if ((memcmp(buf, "_DMI_", 5) == 0) && dmi_checksum(buf)) {
- u16 num = (buf[13] << 8) | buf[12];
- u16 len = (buf[7] << 8) | buf[6];
- u32 base = (buf[11] << 24) | (buf[10] << 16) |
- (buf[9] << 8) | buf[8];
-
- /*
- * DMI version 0.0 means that the real version is taken from
- * the SMBIOS version, which we don't know at this point.
- */
- if (buf[14] != 0)
- printk(KERN_INFO "DMI %d.%d present.\n",
- buf[14] >> 4, buf[14] & 0xF);
- else
- printk(KERN_INFO "DMI present.\n");
- if (dmi_table(base,len, num, dmi_decode) == 0)
- return 0;
- }
- return 1;
-}
-
-void __init dmi_scan_machine(void)
-{
- char __iomem *p, *q;
- int rc;
-
- if (efi_enabled) {
- if (efi.smbios == EFI_INVALID_TABLE_ADDR)
- goto out;
-
- /* This is called as a core_initcall() because it isn't
- * needed during early boot. This also means we can
- * iounmap the space when we're done with it.
- */
- p = dmi_ioremap(efi.smbios, 32);
- if (p == NULL)
- goto out;
-
- rc = dmi_present(p + 0x10); /* offset of _DMI_ string */
- dmi_iounmap(p, 32);
- if (!rc)
- return;
- }
- else {
- /*
- * no iounmap() for that ioremap(); it would be a no-op, but
- * it's so early in setup that sucker gets confused into doing
- * what it shouldn't if we actually call it.
- */
- p = dmi_ioremap(0xF0000, 0x10000);
- if (p == NULL)
- goto out;
-
- for (q = p; q < p + 0x10000; q += 16) {
- rc = dmi_present(q);
- if (!rc)
- return;
- }
- }
- out: printk(KERN_INFO "DMI not present or invalid.\n");
-}
-
-/**
- * dmi_check_system - check system DMI data
- * @list: array of dmi_system_id structures to match against
- *
- * Walk the blacklist table running matching functions until someone
- * returns non zero or we hit the end. Callback function is called for
- * each successfull match. Returns the number of matches.
- */
-int dmi_check_system(struct dmi_system_id *list)
-{
- int i, count = 0;
- struct dmi_system_id *d = list;
-
- while (d->ident) {
- for (i = 0; i < ARRAY_SIZE(d->matches); i++) {
- int s = d->matches[i].slot;
- if (s == DMI_NONE)
- continue;
- if (dmi_ident[s] && strstr(dmi_ident[s], d->matches[i].substr))
- continue;
- /* No match */
- goto fail;
- }
- count++;
- if (d->callback && d->callback(d))
- break;
-fail: d++;
- }
-
- return count;
-}
-EXPORT_SYMBOL(dmi_check_system);
-
-/**
- * dmi_get_system_info - return DMI data value
- * @field: data index (see enum dmi_filed)
- *
- * Returns one DMI data value, can be used to perform
- * complex DMI data checks.
- */
-char *dmi_get_system_info(int field)
-{
- return dmi_ident[field];
-}
-EXPORT_SYMBOL(dmi_get_system_info);
-
-/**
- * dmi_find_device - find onboard device by type/name
- * @type: device type or %DMI_DEV_TYPE_ANY to match all device types
- * @desc: device name string or %NULL to match all
- * @from: previous device found in search, or %NULL for new search.
- *
- * Iterates through the list of known onboard devices. If a device is
- * found with a matching @vendor and @device, a pointer to its device
- * structure is returned. Otherwise, %NULL is returned.
- * A new search is initiated by passing %NULL to the @from argument.
- * If @from is not %NULL, searches continue from next device.
- */
-struct dmi_device * dmi_find_device(int type, const char *name,
- struct dmi_device *from)
-{
- struct list_head *d, *head = from ? &from->list : &dmi_devices;
-
- for(d = head->next; d != &dmi_devices; d = d->next) {
- struct dmi_device *dev = list_entry(d, struct dmi_device, list);
-
- if (((type == DMI_DEV_TYPE_ANY) || (dev->type == type)) &&
- ((name == NULL) || (strcmp(dev->name, name) == 0)))
- return dev;
- }
-
- return NULL;
-}
-EXPORT_SYMBOL(dmi_find_device);
-
-/**
- * dmi_get_year - Return year of a DMI date
- * @field: data index (like dmi_get_system_info)
- *
- * Returns -1 when the field doesn't exist. 0 when it is broken.
- */
-int dmi_get_year(int field)
-{
- int year;
- char *s = dmi_get_system_info(field);
-
- if (!s)
- return -1;
- if (*s == '\0')
- return 0;
- s = strrchr(s, '/');
- if (!s)
- return 0;
-
- s += 1;
- year = simple_strtoul(s, NULL, 0);
- if (year && year < 100) { /* 2-digit year */
- year += 1900;
- if (year < 1996) /* no dates < spec 1.0 */
- year += 100;
- }
-
- return year;
-}
diff --git a/arch/i386/kernel/i386_ksyms.c b/arch/i386/kernel/i386_ksyms.c
index 055325056a7..036a9857936 100644
--- a/arch/i386/kernel/i386_ksyms.c
+++ b/arch/i386/kernel/i386_ksyms.c
@@ -19,7 +19,6 @@ EXPORT_SYMBOL(__put_user_2);
EXPORT_SYMBOL(__put_user_4);
EXPORT_SYMBOL(__put_user_8);
-EXPORT_SYMBOL(strpbrk);
EXPORT_SYMBOL(strstr);
#ifdef CONFIG_SMP
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 8d8aa9d1796..34d21e21e01 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -38,12 +38,6 @@
int smp_found_config;
unsigned int __initdata maxcpus = NR_CPUS;
-#ifdef CONFIG_HOTPLUG_CPU
-#define CPU_HOTPLUG_ENABLED (1)
-#else
-#define CPU_HOTPLUG_ENABLED (0)
-#endif
-
/*
* Various Linux-internal data structures created from the
* MP-table.
@@ -110,21 +104,6 @@ static int __init mpf_checksum(unsigned char *mp, int len)
static int mpc_record;
static struct mpc_config_translation *translation_table[MAX_MPC_ENTRY] __initdata;
-#ifdef CONFIG_X86_NUMAQ
-static int MP_valid_apicid(int apicid, int version)
-{
- return hweight_long(apicid & 0xf) == 1 && (apicid >> 4) != 0xf;
-}
-#else
-static int MP_valid_apicid(int apicid, int version)
-{
- if (version >= 0x14)
- return apicid < 0xff;
- else
- return apicid < 0xf;
-}
-#endif
-
static void __devinit MP_processor_info (struct mpc_config_processor *m)
{
int ver, apicid;
@@ -190,12 +169,6 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m)
ver = m->mpc_apicver;
- if (!MP_valid_apicid(apicid, ver)) {
- printk(KERN_WARNING "Processor #%d INVALID. (Max ID: %d).\n",
- m->mpc_apicid, MAX_APICS);
- return;
- }
-
/*
* Validate version
*/
@@ -225,7 +198,14 @@ static void __devinit MP_processor_info (struct mpc_config_processor *m)
cpu_set(num_processors, cpu_possible_map);
num_processors++;
- if (CPU_HOTPLUG_ENABLED || (num_processors > 8)) {
+ /*
+ * Would be preferable to switch to bigsmp when CONFIG_HOTPLUG_CPU=y
+ * but we need to work other dependencies like SMP_SUSPEND etc
+ * before this can be done without some confusion.
+ * if (CPU_HOTPLUG_ENABLED || num_processors > 8)
+ * - Ashok Raj <ashok.raj@intel.com>
+ */
+ if (num_processors > 8) {
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_INTEL:
if (!APIC_XAPIC(ver)) {
@@ -249,6 +229,13 @@ static void __init MP_bus_info (struct mpc_config_bus *m)
mpc_oem_bus_info(m, str, translation_table[mpc_record]);
+ if (m->mpc_busid >= MAX_MP_BUSSES) {
+ printk(KERN_WARNING "MP table busid value (%d) for bustype %s "
+ " is too large, max. supported is %d\n",
+ m->mpc_busid, str, MAX_MP_BUSSES - 1);
+ return;
+ }
+
if (strncmp(str, BUSTYPE_ISA, sizeof(BUSTYPE_ISA)-1) == 0) {
mp_bus_id_to_type[m->mpc_busid] = MP_BUS_ISA;
} else if (strncmp(str, BUSTYPE_EISA, sizeof(BUSTYPE_EISA)-1) == 0) {
diff --git a/arch/i386/kernel/reboot_fixups.c b/arch/i386/kernel/reboot_fixups.c
index 10e21a4773d..99aab41a05b 100644
--- a/arch/i386/kernel/reboot_fixups.c
+++ b/arch/i386/kernel/reboot_fixups.c
@@ -51,7 +51,5 @@ void mach_reboot_fixups(void)
cur->reboot_fixup(dev);
}
-
- printk(KERN_WARNING "No reboot fixup found for your hardware\n");
}
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index eacc3f0a2ea..80cb3b2d099 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -963,6 +963,36 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
return 0;
}
+ /*
+ * This function checks if the entire range <start,end> is mapped with type.
+ *
+ * Note: this function only works correct if the e820 table is sorted and
+ * not-overlapping, which is the case
+ */
+int __init
+e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
+{
+ int i;
+ for (i = 0; i < e820.nr_map; i++) {
+ struct e820entry *ei = &e820.map[i];
+ if (type && ei->type != type)
+ continue;
+ /* is the region (part) in overlap with the current region ?*/
+ if (ei->addr >= end || ei->addr + ei->size <= start)
+ continue;
+ /* if the region is at the beginning of <start,end> we move
+ * start to the end of the region since it's ok until there
+ */
+ if (ei->addr <= start)
+ start = ei->addr + ei->size;
+ /* if start is now at or beyond end, we're done, full
+ * coverage */
+ if (start >= end)
+ return 1; /* we're done */
+ }
+ return 0;
+}
+
/*
* Find the highest page frame number we have available
*/
@@ -1317,8 +1347,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat
/*
* Request address space for all standard resources
*
- * This is called just before pcibios_assign_resources(), which is also
- * an fs_initcall, but is linked in later (in arch/i386/pci/i386.c).
+ * This is called just before pcibios_init(), which is also a
+ * subsys_initcall, but is linked in later (in arch/i386/pci/common.c).
*/
static int __init request_standard_resources(void)
{
@@ -1339,7 +1369,7 @@ static int __init request_standard_resources(void)
return 0;
}
-fs_initcall(request_standard_resources);
+subsys_initcall(request_standard_resources);
static void __init register_memory(void)
{
diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S
index 4f58b9c0efe..f48bef15b4f 100644
--- a/arch/i386/kernel/syscall_table.S
+++ b/arch/i386/kernel/syscall_table.S
@@ -314,3 +314,4 @@ ENTRY(sys_call_table)
.long sys_get_robust_list
.long sys_splice
.long sys_sync_file_range
+ .long sys_tee /* 315 */
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index e3852799459..2d22f5761b1 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -365,6 +365,9 @@ void die(const char * str, struct pt_regs * regs, long err)
if (++die.lock_owner_depth < 3) {
int nl = 0;
+ unsigned long esp;
+ unsigned short ss;
+
handle_BUG(regs);
printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
#ifdef CONFIG_PREEMPT
@@ -387,8 +390,19 @@ void die(const char * str, struct pt_regs * regs, long err)
printk("\n");
if (notify_die(DIE_OOPS, str, regs, err,
current->thread.trap_no, SIGSEGV) !=
- NOTIFY_STOP)
+ NOTIFY_STOP) {
show_registers(regs);
+ /* Executive summary in case the oops scrolled away */
+ esp = (unsigned long) (&regs->esp);
+ savesegment(ss, ss);
+ if (user_mode(regs)) {
+ esp = regs->esp;
+ ss = regs->xss & 0xffff;
+ }
+ printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip);
+ print_symbol("%s", regs->eip);
+ printk(" SS:ESP %04x:%08lx\n", ss, esp);
+ }
else
regs = NULL;
} else
diff --git a/arch/i386/mach-voyager/voyager_cat.c b/arch/i386/mach-voyager/voyager_cat.c
index 23967fe658d..3039539de51 100644
--- a/arch/i386/mach-voyager/voyager_cat.c
+++ b/arch/i386/mach-voyager/voyager_cat.c
@@ -106,9 +106,15 @@ voyager_module_t *voyager_cat_list;
/* the I/O port assignments for the VIC and QIC */
static struct resource vic_res = {
- "Voyager Interrupt Controller", 0xFC00, 0xFC6F };
+ .name = "Voyager Interrupt Controller",
+ .start = 0xFC00,
+ .end = 0xFC6F
+};
static struct resource qic_res = {
- "Quad Interrupt Controller", 0xFC70, 0xFCFF };
+ .name = "Quad Interrupt Controller",
+ .start = 0xFC70,
+ .end = 0xFCFF
+};
/* This function is used to pack a data bit stream inside a message.
* It writes num_bits of the data buffer in msg starting at start_bit.
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 9f66ac582a8..ae6534ad816 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -651,6 +651,7 @@ void __init mem_init(void)
* Specifically, in the case of x86, we will always add
* memory to the highmem for now.
*/
+#ifdef CONFIG_HOTPLUG_MEMORY
#ifndef CONFIG_NEED_MULTIPLE_NODES
int add_memory(u64 start, u64 size)
{
@@ -667,6 +668,7 @@ int remove_memory(u64 start, u64 size)
return -EINVAL;
}
#endif
+#endif
kmem_cache_t *pgd_cache;
kmem_cache_t *pmd_cache;
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c
index 99012b93bd1..5d81fb51037 100644
--- a/arch/i386/pci/direct.c
+++ b/arch/i386/pci/direct.c
@@ -4,6 +4,7 @@
#include <linux/pci.h>
#include <linux/init.h>
+#include <linux/dmi.h>
#include "pci.h"
/*
@@ -18,8 +19,10 @@ int pci_conf1_read(unsigned int seg, unsigned int bus,
{
unsigned long flags;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ *value = -1;
return -EINVAL;
+ }
spin_lock_irqsave(&pci_config_lock, flags);
@@ -91,8 +94,10 @@ static int pci_conf2_read(unsigned int seg, unsigned int bus,
unsigned long flags;
int dev, fn;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255)) {
+ *value = -1;
return -EINVAL;
+ }
dev = PCI_SLOT(devfn);
fn = PCI_FUNC(devfn);
@@ -188,6 +193,10 @@ static int __init pci_sanity_check(struct pci_raw_ops *o)
if (pci_probe & PCI_NO_CHECKS)
return 1;
+ /* Assume Type 1 works for newer systems.
+ This handles machines that don't have anything on PCI Bus 0. */
+ if (dmi_get_year(DMI_BIOS_DATE) >= 2001)
+ return 1;
for (devfn = 0; devfn < 0x100; devfn++) {
if (o->read(0, 0, devfn, PCI_CLASS_DEVICE, 2, &x))
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index 3ca59cad05f..73235443fda 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -588,7 +588,10 @@ static __init int via_router_probe(struct irq_router *r,
case PCI_DEVICE_ID_VIA_82C596:
case PCI_DEVICE_ID_VIA_82C686:
case PCI_DEVICE_ID_VIA_8231:
+ case PCI_DEVICE_ID_VIA_8233A:
case PCI_DEVICE_ID_VIA_8235:
+ case PCI_DEVICE_ID_VIA_8237:
+ case PCI_DEVICE_ID_VIA_8237_SATA:
/* FIXME: add new ones for 8233/5 */
r->name = "VIA";
r->get = pirq_via_get;
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 613789071f3..6b1ea0c9a57 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -12,14 +12,20 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/acpi.h>
+#include <asm/e820.h>
#include "pci.h"
+#define MMCONFIG_APER_SIZE (256*1024*1024)
+
+/* Assume systems with more busses have correct MCFG */
+#define MAX_CHECK_BUS 16
+
#define mmcfg_virt_addr ((void __iomem *) fix_to_virt(FIX_PCIE_MCFG))
/* The base address of the last MMCONFIG device accessed */
static u32 mmcfg_last_accessed_device;
-static DECLARE_BITMAP(fallback_slots, 32);
+static DECLARE_BITMAP(fallback_slots, MAX_CHECK_BUS*32);
/*
* Functions for accessing PCI configuration space with MMCONFIG accesses
@@ -29,8 +35,8 @@ static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
int cfg_num = -1;
struct acpi_table_mcfg_config *cfg;
- if (seg == 0 && bus == 0 &&
- test_bit(PCI_SLOT(devfn), fallback_slots))
+ if (seg == 0 && bus < MAX_CHECK_BUS &&
+ test_bit(PCI_SLOT(devfn) + 32*bus, fallback_slots))
return 0;
while (1) {
@@ -74,8 +80,10 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
unsigned long flags;
u32 base;
- if (!value || (bus > 255) || (devfn > 255) || (reg > 4095))
+ if ((bus > 255) || (devfn > 255) || (reg > 4095)) {
+ *value = -1;
return -EINVAL;
+ }
base = get_base_addr(seg, bus, devfn);
if (!base)
@@ -146,29 +154,34 @@ static struct pci_raw_ops pci_mmcfg = {
Normally this can be expressed in the MCFG by not listing them
and assigning suitable _SEGs, but this isn't implemented in some BIOS.
Instead try to discover all devices on bus 0 that are unreachable using MM
- and fallback for them.
- We only do this for bus 0/seg 0 */
+ and fallback for them. */
static __init void unreachable_devices(void)
{
- int i;
+ int i, k;
unsigned long flags;
- for (i = 0; i < 32; i++) {
- u32 val1;
- u32 addr;
-
- pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1);
- if (val1 == 0xffffffff)
- continue;
-
- /* Locking probably not needed, but safer */
- spin_lock_irqsave(&pci_config_lock, flags);
- addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
- if (addr != 0)
- pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
- if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
- set_bit(i, fallback_slots);
- spin_unlock_irqrestore(&pci_config_lock, flags);
+ for (k = 0; k < MAX_CHECK_BUS; k++) {
+ for (i = 0; i < 32; i++) {
+ u32 val1;
+ u32 addr;
+
+ pci_conf1_read(0, k, PCI_DEVFN(i, 0), 0, 4, &val1);
+ if (val1 == 0xffffffff)
+ continue;
+
+ /* Locking probably not needed, but safer */
+ spin_lock_irqsave(&pci_config_lock, flags);
+ addr = get_base_addr(0, k, PCI_DEVFN(i, 0));
+ if (addr != 0)
+ pci_exp_set_dev_base(addr, k, PCI_DEVFN(i, 0));
+ if (addr == 0 ||
+ readl((u32 __iomem *)mmcfg_virt_addr) != val1) {
+ set_bit(i, fallback_slots);
+ printk(KERN_NOTICE
+ "PCI: No mmconfig possible on %x:%x\n", k, i);
+ }
+ spin_unlock_irqrestore(&pci_config_lock, flags);
+ }
}
}
@@ -183,6 +196,14 @@ void __init pci_mmcfg_init(void)
(pci_mmcfg_config[0].base_address == 0))
return;
+ if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
+ pci_mmcfg_config[0].base_address + MMCONFIG_APER_SIZE,
+ E820_RESERVED)) {
+ printk(KERN_ERR "PCI: BIOS Bug: MCFG area is not E820-reserved\n");
+ printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+ return;
+ }
+
printk(KERN_INFO "PCI: Using MMCONFIG\n");
raw_pci_ops = &pci_mmcfg;
pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-15 08:14:39 +0000