http://linux-acpi.bkbits.net/linux-acpi-test-2.6.5
len.brown@intel.com|ChangeSet|20040321053311|58781 len.brown
diff -Nru a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
--- a/arch/i386/kernel/acpi/boot.c Sun Mar 21 00:23:54 2004
+++ b/arch/i386/kernel/acpi/boot.c Sun Mar 21 00:23:54 2004
@@ -668,7 +668,7 @@
*/
error = acpi_table_init();
if (error) {
- acpi_disabled = 1;
+ disable_acpi();
return error;
}
@@ -680,7 +680,7 @@
error = acpi_blacklisted();
if (error) {
printk(KERN_WARNING PREFIX "BIOS listed in blacklist, disabling ACPI support\n");
- acpi_disabled = 1;
+ disable_acpi();
return error;
}
diff -Nru a/arch/i386/kernel/dmi_scan.c b/arch/i386/kernel/dmi_scan.c
--- a/arch/i386/kernel/dmi_scan.c Sun Mar 21 00:23:53 2004
+++ b/arch/i386/kernel/dmi_scan.c Sun Mar 21 00:23:53 2004
@@ -523,13 +523,13 @@
#ifdef CONFIG_ACPI_BOOT
-extern int acpi_disabled, acpi_force;
+extern int acpi_force;
-static __init __attribute__((unused)) int disable_acpi(struct dmi_blacklist *d)
+static __init __attribute__((unused)) int dmi_disable_acpi(struct dmi_blacklist *d)
{
if (!acpi_force) {
printk(KERN_NOTICE "%s detected: acpi off\n",d->ident);
- acpi_disabled = 1;
+ disable_acpi();
} else {
printk(KERN_NOTICE
"Warning: DMI blacklist says broken, but acpi forced\n");
@@ -537,8 +537,6 @@
return 0;
}
-extern int acpi_ht;
-
/*
* Limit ACPI to CPU enumeration for HT
*/
@@ -546,7 +544,7 @@
{
if (!acpi_force) {
printk(KERN_NOTICE "%s detected: force use of acpi=ht\n", d->ident);
- acpi_disabled = 1;
+ disable_acpi();
acpi_ht = 1;
} else {
printk(KERN_NOTICE
@@ -933,7 +931,7 @@
* Boxes that need ACPI disabled
*/
- { disable_acpi, "IBM Thinkpad", {
+ { dmi_disable_acpi, "IBM Thinkpad", {
MATCH(DMI_BOARD_VENDOR, "IBM"),
MATCH(DMI_BOARD_NAME, "2629H1G"),
NO_MATCH, NO_MATCH }},
@@ -1063,8 +1061,7 @@
if (disable && !acpi_force) {
printk(KERN_NOTICE "ACPI disabled because your bios is from %s and too old\n", s);
printk(KERN_NOTICE "You can enable it with acpi=force\n");
- acpi_disabled = 1;
- acpi_ht = 0;
+ disable_acpi();
}
}
}
diff -Nru a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
--- a/arch/i386/kernel/mpparse.c Sun Mar 21 00:23:53 2004
+++ b/arch/i386/kernel/mpparse.c Sun Mar 21 00:23:53 2004
@@ -37,6 +37,7 @@
/* Have we found an MP table */
int smp_found_config;
+unsigned int __initdata maxcpus = NR_CPUS;
/*
* Various Linux-internal data structures created from the
@@ -168,8 +169,14 @@
}
if (num_processors >= NR_CPUS) {
- printk(KERN_WARNING "NR_CPUS limit of %i reached. Cannot "
- "boot CPU(apicid 0x%x).\n", NR_CPUS, m->mpc_apicid);
+ printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached."
+ " Processor ignored.\n", NR_CPUS);
+ return;
+ }
+
+ if (num_processors >= maxcpus) {
+ printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
+ " Processor ignored.\n", maxcpus);
return;
}
num_processors++;
diff -Nru a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
--- a/arch/i386/kernel/setup.c Sun Mar 21 00:23:53 2004
+++ b/arch/i386/kernel/setup.c Sun Mar 21 00:23:53 2004
@@ -83,7 +83,6 @@
EXPORT_SYMBOL(acpi_disabled);
#ifdef CONFIG_ACPI_BOOT
-extern int __initdata acpi_ht;
int __initdata acpi_force = 0;
#endif
@@ -560,17 +559,28 @@
}
}
+#ifdef CONFIG_SMP
+ /*
+ * If the BIOS enumerates physical processors before logical,
+ * maxcpus=N at enumeration-time can be used to disable HT.
+ */
+ else if (!memcmp(from, "maxcpus=", 8)) {
+ extern unsigned int maxcpus;
+
+ maxcpus = simple_strtoul(from + 8, NULL, 0);
+ }
+#endif
+
#ifdef CONFIG_ACPI_BOOT
/* "acpi=off" disables both ACPI table parsing and interpreter */
else if (!memcmp(from, "acpi=off", 8)) {
- acpi_ht = 0;
- acpi_disabled = 1;
+ disable_acpi();
}
/* acpi=force to over-ride black-list */
else if (!memcmp(from, "acpi=force", 10)) {
acpi_force = 1;
- acpi_ht=1;
+ acpi_ht = 1;
acpi_disabled = 0;
}
@@ -581,8 +591,9 @@
/* Limit ACPI just to boot-time to enable HT */
else if (!memcmp(from, "acpi=ht", 7)) {
+ if (!acpi_force)
+ disable_acpi();
acpi_ht = 1;
- if (!acpi_force) acpi_disabled = 1;
}
/* "pci=noacpi" disables ACPI interrupt routing */
diff -Nru a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
--- a/arch/ia64/kernel/acpi.c Sun Mar 21 00:23:54 2004
+++ b/arch/ia64/kernel/acpi.c Sun Mar 21 00:23:54 2004
@@ -62,8 +62,6 @@
unsigned char acpi_kbd_controller_present = 1;
unsigned char acpi_legacy_devices;
-int acpi_disabled; /* XXX this shouldn't be needed---we can't boot without ACPI! */
-
const char *
acpi_get_sysname (void)
{
diff -Nru a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
--- a/arch/x86_64/kernel/mpparse.c Sun Mar 21 00:23:53 2004
+++ b/arch/x86_64/kernel/mpparse.c Sun Mar 21 00:23:53 2004
@@ -33,6 +33,7 @@
/* Have we found an MP table */
int smp_found_config;
+unsigned int __initdata maxcpus = NR_CPUS;
int acpi_found_madt;
@@ -117,6 +118,17 @@
Dprintk(" Bootup CPU\n");
boot_cpu_id = m->mpc_apicid;
}
+ if (num_processors >= NR_CPUS) {
+ printk(KERN_WARNING "WARNING: NR_CPUS limit of %i reached."
+ " Processor ignored.\n", NR_CPUS);
+ return;
+ }
+ if (num_processors >= maxcpus) {
+ printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
+ " Processor ignored.\n", maxcpus);
+ return;
+ }
+
num_processors++;
if (m->mpc_apicid > MAX_APICS) {
diff -Nru a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
--- a/arch/x86_64/kernel/setup.c Sun Mar 21 00:23:53 2004
+++ b/arch/x86_64/kernel/setup.c Sun Mar 21 00:23:53 2004
@@ -201,7 +201,18 @@
for (;;) {
if (c != ' ')
goto next_char;
-
+
+#ifdef CONFIG_SMP
+ /*
+ * If the BIOS enumerates physical processors before logical,
+ * maxcpus=N at enumeration-time can be used to disable HT.
+ */
+ else if (!memcmp(from, "maxcpus=", 8)) {
+ extern unsigned int maxcpus;
+
+ maxcpus = simple_strtoul(from + 8, NULL, 0);
+ }
+#endif
#ifdef CONFIG_ACPI_BOOT
/* "acpi=off" disables both ACPI table parsing and interpreter init */
if (!memcmp(from, "acpi=off", 8))
diff -Nru a/drivers/acpi/bus.c b/drivers/acpi/bus.c
--- a/drivers/acpi/bus.c Sun Mar 21 00:23:54 2004
+++ b/drivers/acpi/bus.c Sun Mar 21 00:23:54 2004
@@ -704,29 +704,14 @@
pm_active = 1;
else {
printk(KERN_INFO PREFIX "APM is already active, exiting\n");
- acpi_disabled = 1;
+ disable_acpi();
result = -ENODEV;
}
#endif
} else
- acpi_disabled = 1;
+ disable_acpi();
return_VALUE(result);
}
-
-static int __init acpi_setup(char *str)
-{
- while (str && *str) {
- if (strncmp(str, "off", 3) == 0)
- acpi_disabled = 1;
- str = strchr(str, ',');
- if (str)
- str += strspn(str, ", \t");
- }
- return 1;
-}
-
subsys_initcall(acpi_init);
-
-__setup("acpi=", acpi_setup);
diff -Nru a/drivers/acpi/numa.c b/drivers/acpi/numa.c
--- a/drivers/acpi/numa.c Sun Mar 21 00:23:54 2004
+++ b/drivers/acpi/numa.c Sun Mar 21 00:23:54 2004
@@ -32,12 +32,19 @@
#include <acpi/acpi_bus.h>
#include <acpi/acmacros.h>
+#define ACPI_NUMA 0x80000000
+#define _COMPONENT ACPI_NUMA
+ ACPI_MODULE_NAME ("numa")
+
extern int __init acpi_table_parse_madt_family (enum acpi_table_id id, unsigned long madt_size, int entry_id, acpi_madt_entry_handler handler, unsigned int max_entries);
void __init
acpi_table_print_srat_entry (
acpi_table_entry_header *header)
{
+
+ ACPI_FUNCTION_NAME ("acpi_table_print_srat_entry");
+
if (!header)
return;
@@ -47,7 +54,7 @@
{
struct acpi_table_processor_affinity *p =
(struct acpi_table_processor_affinity*) header;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO "SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SRAT Processor (id[0x%02x] eid[0x%02x]) in proximity domain %d %s\n",
p->apic_id, p->lsapic_eid, p->proximity_domain,
p->flags.enabled?"enabled":"disabled"));
}
@@ -57,7 +64,7 @@
{
struct acpi_table_memory_affinity *p =
(struct acpi_table_memory_affinity*) header;
- ACPI_DEBUG_PRINT((ACPI_DB_INFO "SRAT Memory (0x%08x%08x length 0x%08x%08x type 0x%x) in proximity domain %d %s%s\n",
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "SRAT Memory (0x%08x%08x length 0x%08x%08x type 0x%x) in proximity domain %d %s%s\n",
p->base_addr_hi, p->base_addr_lo, p->length_hi, p->length_lo,
p->memory_type, p->proximity_domain,
p->flags.enabled ? "enabled" : "disabled",
diff -Nru a/drivers/char/sonypi.h b/drivers/char/sonypi.h
--- a/drivers/char/sonypi.h Sun Mar 21 00:23:54 2004
+++ b/drivers/char/sonypi.h Sun Mar 21 00:23:54 2004
@@ -396,7 +396,6 @@
}
#ifdef CONFIG_ACPI
-extern int acpi_disabled;
#define SONYPI_ACPI_ACTIVE (!acpi_disabled)
#else
#define SONYPI_ACPI_ACTIVE 0
diff -Nru a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
--- a/include/acpi/acpi_bus.h Sun Mar 21 00:23:54 2004
+++ b/include/acpi/acpi_bus.h Sun Mar 21 00:23:54 2004
@@ -32,8 +32,6 @@
#define PREFIX "ACPI: "
-extern int acpi_disabled;
-
/* TBD: Make dynamic */
#define ACPI_MAX_HANDLES 10
struct acpi_handle_list {
diff -Nru a/include/asm-i386/acpi.h b/include/asm-i386/acpi.h
--- a/include/asm-i386/acpi.h Sun Mar 21 00:23:54 2004
+++ b/include/asm-i386/acpi.h Sun Mar 21 00:23:54 2004
@@ -116,6 +116,9 @@
extern int acpi_ioapic;
extern int acpi_noirq;
extern int acpi_strict;
+extern int acpi_disabled;
+extern int acpi_ht;
+static inline void disable_acpi(void) { acpi_disabled = 1; acpi_ht = 0; }
/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
#define FIX_ACPI_PAGES 4
diff -Nru a/include/asm-ia64/acpi.h b/include/asm-ia64/acpi.h
--- a/include/asm-ia64/acpi.h Sun Mar 21 00:23:54 2004
+++ b/include/asm-ia64/acpi.h Sun Mar 21 00:23:54 2004
@@ -88,7 +88,9 @@
#define ACPI_RELEASE_GLOBAL_LOCK(GLptr, Acq) \
((Acq) = ia64_acpi_release_global_lock((unsigned int *) GLptr))
+#define acpi_disabled 0 /* ACPI always enabled on IA64 */
#define acpi_strict 1 /* no ACPI spec workarounds on IA64 */
+static inline void disable_acpi(void) { }
const char *acpi_get_sysname (void);
int acpi_request_vector (u32 int_type);
diff -Nru a/include/asm-x86_64/acpi.h b/include/asm-x86_64/acpi.h
--- a/include/asm-x86_64/acpi.h Sun Mar 21 00:23:54 2004
+++ b/include/asm-x86_64/acpi.h Sun Mar 21 00:23:54 2004
@@ -105,6 +105,9 @@
extern int acpi_ioapic;
extern int acpi_noirq;
extern int acpi_strict;
+extern int acpi_disabled;
+extern int acpi_ht;
+static inline void disable_acpi(void) { acpi_disabled = 1; acpi_ht = 0; }
/* Fixmap pages to reserve for ACPI boot-time tables (see fixmap.h) */
#define FIX_ACPI_PAGES 4