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-rw-r--r--arch/ia64/sn/kernel/io_acpi_init.c8
-rw-r--r--arch/x86/Kconfig5
-rw-r--r--arch/x86/kernel/acpi/boot.c5
-rw-r--r--arch/x86/kernel/acpi/sleep.c4
-rw-r--r--arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c3
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c42
-rw-r--r--arch/x86/kernel/process_64.c7
7 files changed, 48 insertions, 26 deletions
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 6568942a95f0..a15baacaba43 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -232,7 +232,7 @@ exit:
static unsigned int
get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
{
- unsigned long adr;
+ unsigned long long adr;
acpi_handle child;
unsigned int devfn;
int function;
@@ -292,8 +292,8 @@ get_host_devfn(acpi_handle device_handle, acpi_handle rootbus_handle)
static acpi_status
find_matching_device(acpi_handle handle, u32 lvl, void *context, void **rv)
{
- unsigned long bbn = -1;
- unsigned long adr;
+ unsigned long long bbn = -1;
+ unsigned long long adr;
acpi_handle parent = NULL;
acpi_status status;
unsigned int devfn;
@@ -348,7 +348,7 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
unsigned int host_devfn;
struct sn_pcidev_match pcidev_match;
acpi_handle rootbus_handle;
- unsigned long segment;
+ unsigned long long segment;
acpi_status status;
rootbus_handle = PCI_CONTROLLER(dev)->acpi_handle;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 5b9b12321ad1..350bee1d54dc 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -116,6 +116,9 @@ config GENERIC_TIME_VSYSCALL
config ARCH_HAS_CPU_RELAX
def_bool y
+config ARCH_HAS_DEFAULT_IDLE
+ def_bool y
+
config ARCH_HAS_CACHE_LINE_SIZE
def_bool y
@@ -1635,6 +1638,8 @@ source "arch/x86/kernel/cpu/cpufreq/Kconfig"
source "drivers/cpuidle/Kconfig"
+source "drivers/idle/Kconfig"
+
endmenu
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0d1c26a583c5..53b01a1ae10c 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -153,12 +153,13 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
}
#ifdef CONFIG_PCI_MMCONFIG
+
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
+
/* The physical address of the MMCONFIG aperture. Set from ACPI tables. */
struct acpi_mcfg_allocation *pci_mmcfg_config;
int pci_mmcfg_config_num;
-static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
-
static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg)
{
if (!strcmp(mcfg->header.oem_id, "SGI"))
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index c44cd6dbfa14..806b4e9051b4 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -22,7 +22,7 @@ unsigned long acpi_realmode_flags;
static unsigned long acpi_realmode;
#if defined(CONFIG_SMP) && defined(CONFIG_64BIT)
-static char temp_stack[10240];
+static char temp_stack[4096];
#endif
/**
@@ -98,7 +98,7 @@ int acpi_save_state_mem(void)
#else /* CONFIG_64BIT */
header->trampoline_segment = setup_trampoline() >> 4;
#ifdef CONFIG_SMP
- stack_start.sp = temp_stack + 4096;
+ stack_start.sp = temp_stack + sizeof(temp_stack);
early_gdt_descr.address =
(unsigned long)get_cpu_gdt_table(smp_processor_id());
#endif
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index c24c4a487b7c..8e48c5d4467d 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -780,6 +780,9 @@ static int __init acpi_cpufreq_init(void)
{
int ret;
+ if (acpi_disabled)
+ return 0;
+
dprintk("acpi_cpufreq_init\n");
ret = acpi_cpufreq_early_init();
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 008d23ba491b..d3dcd58b87cd 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -45,7 +45,6 @@
#endif
#define PFX "powernow-k8: "
-#define BFX PFX "BIOS error: "
#define VERSION "version 2.20.00"
#include "powernow-k8.h"
@@ -536,35 +535,40 @@ static int check_pst_table(struct powernow_k8_data *data, struct pst_s *pst, u8
for (j = 0; j < data->numps; j++) {
if (pst[j].vid > LEAST_VID) {
- printk(KERN_ERR PFX "vid %d invalid : 0x%x\n", j, pst[j].vid);
+ printk(KERN_ERR FW_BUG PFX "vid %d invalid : 0x%x\n",
+ j, pst[j].vid);
return -EINVAL;
}
if (pst[j].vid < data->rvo) { /* vid + rvo >= 0 */
- printk(KERN_ERR BFX "0 vid exceeded with pstate %d\n", j);
+ printk(KERN_ERR FW_BUG PFX "0 vid exceeded with pstate"
+ " %d\n", j);
return -ENODEV;
}
if (pst[j].vid < maxvid + data->rvo) { /* vid + rvo >= maxvid */
- printk(KERN_ERR BFX "maxvid exceeded with pstate %d\n", j);
+ printk(KERN_ERR FW_BUG PFX "maxvid exceeded with pstate"
+ " %d\n", j);
return -ENODEV;
}
if (pst[j].fid > MAX_FID) {
- printk(KERN_ERR BFX "maxfid exceeded with pstate %d\n", j);
+ printk(KERN_ERR FW_BUG PFX "maxfid exceeded with pstate"
+ " %d\n", j);
return -ENODEV;
}
if (j && (pst[j].fid < HI_FID_TABLE_BOTTOM)) {
/* Only first fid is allowed to be in "low" range */
- printk(KERN_ERR BFX "two low fids - %d : 0x%x\n", j, pst[j].fid);
+ printk(KERN_ERR FW_BUG PFX "two low fids - %d : "
+ "0x%x\n", j, pst[j].fid);
return -EINVAL;
}
if (pst[j].fid < lastfid)
lastfid = pst[j].fid;
}
if (lastfid & 1) {
- printk(KERN_ERR BFX "lastfid invalid\n");
+ printk(KERN_ERR FW_BUG PFX "lastfid invalid\n");
return -EINVAL;
}
if (lastfid > LO_FID_TABLE_TOP)
- printk(KERN_INFO BFX "first fid not from lo freq table\n");
+ printk(KERN_INFO FW_BUG PFX "first fid not from lo freq table\n");
return 0;
}
@@ -672,13 +676,13 @@ static int find_psb_table(struct powernow_k8_data *data)
dprintk("table vers: 0x%x\n", psb->tableversion);
if (psb->tableversion != PSB_VERSION_1_4) {
- printk(KERN_ERR BFX "PSB table is not v1.4\n");
+ printk(KERN_ERR FW_BUG PFX "PSB table is not v1.4\n");
return -ENODEV;
}
dprintk("flags: 0x%x\n", psb->flags1);
if (psb->flags1) {
- printk(KERN_ERR BFX "unknown flags\n");
+ printk(KERN_ERR FW_BUG PFX "unknown flags\n");
return -ENODEV;
}
@@ -705,7 +709,7 @@ static int find_psb_table(struct powernow_k8_data *data)
}
}
if (cpst != 1) {
- printk(KERN_ERR BFX "numpst must be 1\n");
+ printk(KERN_ERR FW_BUG PFX "numpst must be 1\n");
return -ENODEV;
}
@@ -1130,17 +1134,19 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
"ACPI Processor module before starting this "
"driver.\n");
#else
- printk(KERN_ERR PFX "Your BIOS does not provide ACPI "
- "_PSS objects in a way that Linux understands. "
- "Please report this to the Linux ACPI maintainers"
- " and complain to your BIOS vendor.\n");
+ printk(KERN_ERR FW_BUG PFX "Your BIOS does not provide"
+ " ACPI _PSS objects in a way that Linux "
+ "understands. Please report this to the Linux "
+ "ACPI maintainers and complain to your BIOS "
+ "vendor.\n");
#endif
kfree(data);
return -ENODEV;
}
if (pol->cpu != 0) {
- printk(KERN_ERR PFX "No ACPI _PSS objects for CPU other than "
- "CPU0. Complain to your BIOS vendor.\n");
+ printk(KERN_ERR FW_BUG PFX "No ACPI _PSS objects for "
+ "CPU other than CPU0. Complain to your BIOS "
+ "vendor.\n");
kfree(data);
return -ENODEV;
}
@@ -1193,7 +1199,7 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
/* min/max the cpu is capable of */
if (cpufreq_frequency_table_cpuinfo(pol, data->powernow_table)) {
- printk(KERN_ERR PFX "invalid powernow_table\n");
+ printk(KERN_ERR FW_BUG PFX "invalid powernow_table\n");
powernow_k8_cpu_exit_acpi(data);
kfree(data->powernow_table);
kfree(data);
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index cd8c0ed02b7e..c958120fb1b6 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -63,6 +63,13 @@ void idle_notifier_register(struct notifier_block *n)
{
atomic_notifier_chain_register(&idle_notifier, n);
}
+EXPORT_SYMBOL_GPL(idle_notifier_register);
+
+void idle_notifier_unregister(struct notifier_block *n)
+{
+ atomic_notifier_chain_unregister(&idle_notifier, n);
+}
+EXPORT_SYMBOL_GPL(idle_notifier_unregister);
void enter_idle(void)
{