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-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/include/asm/percpu.h17
-rw-r--r--arch/x86/kernel/amd_iommu_init.c26
-rw-r--r--arch/x86/kernel/apic/apic.c33
-rw-r--r--arch/x86/kernel/apic/io_apic.c97
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c21
-rw-r--r--arch/x86/kernel/cpu/mtrr/main.c10
-rw-r--r--arch/x86/kernel/cpu/perf_event.c11
-rw-r--r--arch/x86/kernel/cpu/perf_event_p4.c1
-rw-r--r--arch/x86/kernel/devicetree.c6
-rw-r--r--arch/x86/kernel/dumpstack.c2
-rw-r--r--arch/x86/kernel/i8237.c30
-rw-r--r--arch/x86/kernel/i8259.c33
-rw-r--r--arch/x86/kernel/kgdb.c4
-rw-r--r--arch/x86/kernel/microcode_core.c34
-rw-r--r--arch/x86/kernel/mpparse.c8
-rw-r--r--arch/x86/kernel/pci-gart_64.c32
-rw-r--r--arch/x86/lib/cmpxchg16b_emu.S14
-rw-r--r--arch/x86/oprofile/nmi_int.c44
-rw-r--r--arch/x86/platform/olpc/olpc-xo1.c23
20 files changed, 180 insertions, 267 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 140e254fe54..cc6c53a95bf 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -71,6 +71,7 @@ config X86
select GENERIC_IRQ_SHOW
select IRQ_FORCED_THREADING
select USE_GENERIC_SMP_HELPERS if SMP
+ select ARCH_NO_SYSDEV_OPS
config INSTRUCTION_DECODER
def_bool (KPROBES || PERF_EVENTS)
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index a09e1f052d8..d68fca61ad9 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -45,7 +45,7 @@
#include <linux/stringify.h>
#ifdef CONFIG_SMP
-#define __percpu_arg(x) "%%"__stringify(__percpu_seg)":%P" #x
+#define __percpu_prefix "%%"__stringify(__percpu_seg)":"
#define __my_cpu_offset percpu_read(this_cpu_off)
/*
@@ -62,9 +62,11 @@
(typeof(*(ptr)) __kernel __force *)tcp_ptr__; \
})
#else
-#define __percpu_arg(x) "%P" #x
+#define __percpu_prefix ""
#endif
+#define __percpu_arg(x) __percpu_prefix "%P" #x
+
/*
* Initialized pointers to per-cpu variables needed for the boot
* processor need to use these macros to get the proper address
@@ -507,6 +509,11 @@ do { \
* it in software. The address used in the cmpxchg16 instruction must be
* aligned to a 16 byte boundary.
*/
+#ifdef CONFIG_SMP
+#define CMPXCHG16B_EMU_CALL "call this_cpu_cmpxchg16b_emu\n\t" P6_NOP3
+#else
+#define CMPXCHG16B_EMU_CALL "call this_cpu_cmpxchg16b_emu\n\t" P6_NOP2
+#endif
#define percpu_cmpxchg16b_double(pcp1, o1, o2, n1, n2) \
({ \
char __ret; \
@@ -515,12 +522,12 @@ do { \
typeof(o2) __o2 = o2; \
typeof(o2) __n2 = n2; \
typeof(o2) __dummy; \
- alternative_io("call this_cpu_cmpxchg16b_emu\n\t" P6_NOP4, \
- "cmpxchg16b %%gs:(%%rsi)\n\tsetz %0\n\t", \
+ alternative_io(CMPXCHG16B_EMU_CALL, \
+ "cmpxchg16b " __percpu_prefix "(%%rsi)\n\tsetz %0\n\t", \
X86_FEATURE_CX16, \
ASM_OUTPUT2("=a"(__ret), "=d"(__dummy)), \
"S" (&pcp1), "b"(__n1), "c"(__n2), \
- "a"(__o1), "d"(__o2)); \
+ "a"(__o1), "d"(__o2) : "memory"); \
__ret; \
})
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 6e11c813415..246d727b65b 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -21,7 +21,7 @@
#include <linux/acpi.h>
#include <linux/list.h>
#include <linux/slab.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/interrupt.h>
#include <linux/msi.h>
#include <asm/pci-direct.h>
@@ -1260,7 +1260,7 @@ static void disable_iommus(void)
* disable suspend until real resume implemented
*/
-static int amd_iommu_resume(struct sys_device *dev)
+static void amd_iommu_resume(void)
{
struct amd_iommu *iommu;
@@ -1276,11 +1276,9 @@ static int amd_iommu_resume(struct sys_device *dev)
*/
amd_iommu_flush_all_devices();
amd_iommu_flush_all_domains();
-
- return 0;
}
-static int amd_iommu_suspend(struct sys_device *dev, pm_message_t state)
+static int amd_iommu_suspend(void)
{
/* disable IOMMUs to go out of the way for BIOS */
disable_iommus();
@@ -1288,17 +1286,11 @@ static int amd_iommu_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static struct sysdev_class amd_iommu_sysdev_class = {
- .name = "amd_iommu",
+static struct syscore_ops amd_iommu_syscore_ops = {
.suspend = amd_iommu_suspend,
.resume = amd_iommu_resume,
};
-static struct sys_device device_amd_iommu = {
- .id = 0,
- .cls = &amd_iommu_sysdev_class,
-};
-
/*
* This is the core init function for AMD IOMMU hardware in the system.
* This function is called from the generic x86 DMA layer initialization
@@ -1415,14 +1407,6 @@ static int __init amd_iommu_init(void)
goto free;
}
- ret = sysdev_class_register(&amd_iommu_sysdev_class);
- if (ret)
- goto free;
-
- ret = sysdev_register(&device_amd_iommu);
- if (ret)
- goto free;
-
ret = amd_iommu_init_devices();
if (ret)
goto free;
@@ -1441,6 +1425,8 @@ static int __init amd_iommu_init(void)
amd_iommu_init_notifier();
+ register_syscore_ops(&amd_iommu_syscore_ops);
+
if (iommu_pass_through)
goto out;
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 966673f4414..fabf01eff77 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -24,7 +24,7 @@
#include <linux/ftrace.h>
#include <linux/ioport.h>
#include <linux/module.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/delay.h>
#include <linux/timex.h>
#include <linux/dmar.h>
@@ -2046,7 +2046,7 @@ static struct {
unsigned int apic_thmr;
} apic_pm_state;
-static int lapic_suspend(struct sys_device *dev, pm_message_t state)
+static int lapic_suspend(void)
{
unsigned long flags;
int maxlvt;
@@ -2084,23 +2084,21 @@ static int lapic_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static int lapic_resume(struct sys_device *dev)
+static void lapic_resume(void)
{
unsigned int l, h;
unsigned long flags;
- int maxlvt;
- int ret = 0;
+ int maxlvt, ret;
struct IO_APIC_route_entry **ioapic_entries = NULL;
if (!apic_pm_state.active)
- return 0;
+ return;
local_irq_save(flags);
if (intr_remapping_enabled) {
ioapic_entries = alloc_ioapic_entries();
if (!ioapic_entries) {
WARN(1, "Alloc ioapic_entries in lapic resume failed.");
- ret = -ENOMEM;
goto restore;
}
@@ -2162,8 +2160,6 @@ static int lapic_resume(struct sys_device *dev)
}
restore:
local_irq_restore(flags);
-
- return ret;
}
/*
@@ -2171,17 +2167,11 @@ restore:
* are needed on every CPU up until machine_halt/restart/poweroff.
*/
-static struct sysdev_class lapic_sysclass = {
- .name = "lapic",
+static struct syscore_ops lapic_syscore_ops = {
.resume = lapic_resume,
.suspend = lapic_suspend,
};
-static struct sys_device device_lapic = {
- .id = 0,
- .cls = &lapic_sysclass,
-};
-
static void __cpuinit apic_pm_activate(void)
{
apic_pm_state.active = 1;
@@ -2189,16 +2179,11 @@ static void __cpuinit apic_pm_activate(void)
static int __init init_lapic_sysfs(void)
{
- int error;
-
- if (!cpu_has_apic)
- return 0;
/* XXX: remove suspend/resume procs if !apic_pm_state.active? */
+ if (cpu_has_apic)
+ register_syscore_ops(&lapic_syscore_ops);
- error = sysdev_class_register(&lapic_sysclass);
- if (!error)
- error = sysdev_register(&device_lapic);
- return error;
+ return 0;
}
/* local apic needs to resume before other devices access its registers. */
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 180ca240e03..68df09bba92 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -30,7 +30,7 @@
#include <linux/compiler.h>
#include <linux/acpi.h>
#include <linux/module.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/msi.h>
#include <linux/htirq.h>
#include <linux/freezer.h>
@@ -2918,89 +2918,84 @@ static int __init io_apic_bug_finalize(void)
late_initcall(io_apic_bug_finalize);
-struct sysfs_ioapic_data {
- struct sys_device dev;
- struct IO_APIC_route_entry entry[0];
-};
-static struct sysfs_ioapic_data * mp_ioapic_data[MAX_IO_APICS];
+static struct IO_APIC_route_entry *ioapic_saved_data[MAX_IO_APICS];
-static int ioapic_suspend(struct sys_device *dev, pm_message_t state)
+static void suspend_ioapic(int ioapic_id)
{
- struct IO_APIC_route_entry *entry;
- struct sysfs_ioapic_data *data;
+ struct IO_APIC_route_entry *saved_data = ioapic_saved_data[ioapic_id];
int i;
- data = container_of(dev, struct sysfs_ioapic_data, dev);
- entry = data->entry;
- for (i = 0; i < nr_ioapic_registers[dev->id]; i ++, entry ++ )
- *entry = ioapic_read_entry(dev->id, i);
+ if (!saved_data)
+ return;
+
+ for (i = 0; i < nr_ioapic_registers[ioapic_id]; i++)
+ saved_data[i] = ioapic_read_entry(ioapic_id, i);
+}
+
+static int ioapic_suspend(void)
+{
+ int ioapic_id;
+
+ for (ioapic_id = 0; ioapic_id < nr_ioapics; ioapic_id++)
+ suspend_ioapic(ioapic_id);
return 0;
}
-static int ioapic_resume(struct sys_device *dev)
+static void resume_ioapic(int ioapic_id)
{
- struct IO_APIC_route_entry *entry;
- struct sysfs_ioapic_data *data;
+ struct IO_APIC_route_entry *saved_data = ioapic_saved_data[ioapic_id];
unsigned long flags;
union IO_APIC_reg_00 reg_00;
int i;
- data = container_of(dev, struct sysfs_ioapic_data, dev);
- entry = data->entry;
+ if (!saved_data)
+ return;
raw_spin_lock_irqsave(&ioapic_lock, flags);
- reg_00.raw = io_apic_read(dev->id, 0);
- if (reg_00.bits.ID != mp_ioapics[dev->id].apicid) {
- reg_00.bits.ID = mp_ioapics[dev->id].apicid;
- io_apic_write(dev->id, 0, reg_00.raw);
+ reg_00.raw = io_apic_read(ioapic_id, 0);
+ if (reg_00.bits.ID != mp_ioapics[ioapic_id].apicid) {
+ reg_00.bits.ID = mp_ioapics[ioapic_id].apicid;
+ io_apic_write(ioapic_id, 0, reg_00.raw);
}
raw_spin_unlock_irqrestore(&ioapic_lock, flags);
- for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
- ioapic_write_entry(dev->id, i, entry[i]);
+ for (i = 0; i < nr_ioapic_registers[ioapic_id]; i++)
+ ioapic_write_entry(ioapic_id, i, saved_data[i]);
+}
- return 0;
+static void ioapic_resume(void)
+{
+ int ioapic_id;
+
+ for (ioapic_id = nr_ioapics - 1; ioapic_id >= 0; ioapic_id--)
+ resume_ioapic(ioapic_id);
}
-static struct sysdev_class ioapic_sysdev_class = {
- .name = "ioapic",
+static struct syscore_ops ioapic_syscore_ops = {
.suspend = ioapic_suspend,
.resume = ioapic_resume,
};
-static int __init ioapic_init_sysfs(void)
+static int __init ioapic_init_ops(void)
{
- struct sys_device * dev;
- int i, size, error;
+ int i;
- error = sysdev_class_register(&ioapic_sysdev_class);
- if (error)
- return error;
+ for (i = 0; i < nr_ioapics; i++) {
+ unsigned int size;
- for (i = 0; i < nr_ioapics; i++ ) {
- size = sizeof(struct sys_device) + nr_ioapic_registers[i]
+ size = nr_ioapic_registers[i]
* sizeof(struct IO_APIC_route_entry);
- mp_ioapic_data[i] = kzalloc(size, GFP_KERNEL);
- if (!mp_ioapic_data[i]) {
- printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
- continue;
- }
- dev = &mp_ioapic_data[i]->dev;
- dev->id = i;
- dev->cls = &ioapic_sysdev_class;
- error = sysdev_register(dev);
- if (error) {
- kfree(mp_ioapic_data[i]);
- mp_ioapic_data[i] = NULL;
- printk(KERN_ERR "Can't suspend/resume IOAPIC %d\n", i);
- continue;
- }
+ ioapic_saved_data[i] = kzalloc(size, GFP_KERNEL);
+ if (!ioapic_saved_data[i])
+ pr_err("IOAPIC %d: suspend/resume impossible!\n", i);
}
+ register_syscore_ops(&ioapic_syscore_ops);
+
return 0;
}
-device_initcall(ioapic_init_sysfs);
+device_initcall(ioapic_init_ops);
/*
* Dynamic irq allocate and deallocation
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index ab1122998db..5a05ef63eb4 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -21,6 +21,7 @@
#include <linux/percpu.h>
#include <linux/string.h>
#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/delay.h>
#include <linux/ctype.h>
#include <linux/sched.h>
@@ -1749,14 +1750,14 @@ static int mce_disable_error_reporting(void)
return 0;
}
-static int mce_suspend(struct sys_device *dev, pm_message_t state)
+static int mce_suspend(void)
{
return mce_disable_error_reporting();
}
-static int mce_shutdown(struct sys_device *dev)
+static void mce_shutdown(void)
{
- return mce_disable_error_reporting();
+ mce_disable_error_reporting();
}
/*
@@ -1764,14 +1765,18 @@ static int mce_shutdown(struct sys_device *dev)
* Only one CPU is active at this time, the others get re-added later using
* CPU hotplug:
*/
-static int mce_resume(struct sys_device *dev)
+static void mce_resume(void)
{
__mcheck_cpu_init_generic();
__mcheck_cpu_init_vendor(__this_cpu_ptr(&cpu_info));
-
- return 0;
}
+static struct syscore_ops mce_syscore_ops = {
+ .suspend = mce_suspend,
+ .shutdown = mce_shutdown,
+ .resume = mce_resume,
+};
+
static void mce_cpu_restart(void *data)
{
del_timer_sync(&__get_cpu_var(mce_timer));
@@ -1808,9 +1813,6 @@ static void mce_enable_ce(void *all)
}
static struct sysdev_class mce_sysclass = {
- .suspend = mce_suspend,
- .shutdown = mce_shutdown,
- .resume = mce_resume,
.name = "machinecheck",
};
@@ -2139,6 +2141,7 @@ static __init int mcheck_init_device(void)
return err;
}
+ register_syscore_ops(&mce_syscore_ops);
register_hotcpu_notifier(&mce_cpu_notifier);
misc_register(&mce_log_device);
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index bebabec5b44..307dfbbf4a8 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -45,6 +45,7 @@
#include <linux/cpu.h>
#include <linux/pci.h>
#include <linux/smp.h>
+#include <linux/syscore_ops.h>
#include <asm/processor.h>
#include <asm/e820.h>
@@ -630,7 +631,7 @@ struct mtrr_value {
static struct mtrr_value mtrr_value[MTRR_MAX_VAR_RANGES];
-static int mtrr_save(struct sys_device *sysdev, pm_message_t state)
+static int mtrr_save(void)
{
int i;
@@ -642,7 +643,7 @@ static int mtrr_save(struct sys_device *sysdev, pm_message_t state)
return 0;
}
-static int mtrr_restore(struct sys_device *sysdev)
+static void mtrr_restore(void)
{
int i;
@@ -653,12 +654,11 @@ static int mtrr_restore(struct sys_device *sysdev)
mtrr_value[i].ltype);
}
}
- return 0;
}
-static struct sysdev_driver mtrr_sysdev_driver = {
+static struct syscore_ops mtrr_syscore_ops = {
.suspend = mtrr_save,
.resume = mtrr_restore,
};
@@ -839,7 +839,7 @@ static int __init mtrr_init_finialize(void)
* TBD: is there any system with such CPU which supports
* suspend/resume? If no, we should remove the code.
*/
- sysdev_driver_register(&cpu_sysdev_class, &mtrr_sysdev_driver);
+ register_syscore_ops(&mtrr_syscore_ops);
return 0;
}
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 87eab4a27df..eed3673a865 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -500,12 +500,17 @@ static bool check_hw_exists(void)
return true;
bios_fail:
- printk(KERN_CONT "Broken BIOS detected, using software events only.\n");
+ /*
+ * We still allow the PMU driver to operate:
+ */
+ printk(KERN_CONT "Broken BIOS detected, complain to your hardware vendor.\n");
printk(KERN_ERR FW_BUG "the BIOS has corrupted hw-PMU resources (MSR %x is %Lx)\n", reg, val);
- return false;
+
+ return true;
msr_fail:
printk(KERN_CONT "Broken PMU hardware detected, using software events only.\n");
+
return false;
}
@@ -912,7 +917,7 @@ static inline void x86_assign_hw_event(struct perf_event *event,
hwc->event_base = 0;
} else if (hwc->idx >= X86_PMC_IDX_FIXED) {
hwc->config_base = MSR_ARCH_PERFMON_FIXED_CTR_CTRL;
- hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0;
+ hwc->event_base = MSR_ARCH_PERFMON_FIXED_CTR0 + (hwc->idx - X86_PMC_IDX_FIXED);
} else {
hwc->config_base = x86_pmu_config_addr(hwc->idx);
hwc->event_base = x86_pmu_event_addr(hwc->idx);
diff --git a/arch/x86/kernel/cpu/perf_event_p4.c b/arch/x86/kernel/cpu/perf_event_p4.c
index 0811f5ebfba..c2520e178d3 100644
--- a/arch/x86/kernel/cpu/perf_event_p4.c
+++ b/arch/x86/kernel/cpu/perf_event_p4.c
@@ -777,6 +777,7 @@ static inline int p4_pmu_clear_cccr_ovf(struct hw_perf_event *hwc)
* the counter has reached zero value and continued counting before
* real NMI signal was received:
*/
+ rdmsrl(hwc->event_base, v);
if (!(v & ARCH_P4_UNFLAGGED_BIT))
return 1;
diff --git a/arch/x86/kernel/devicetree.c b/arch/x86/kernel/devicetree.c
index 7a8cebc9ff2..706a9fb46a5 100644
--- a/arch/x86/kernel/devicetree.c
+++ b/arch/x86/kernel/devicetree.c
@@ -65,12 +65,10 @@ unsigned int irq_create_of_mapping(struct device_node *controller,
return 0;
ret = ih->xlate(ih, intspec, intsize, &virq, &type);
if (ret)
- return ret;
+ return 0;
if (type == IRQ_TYPE_NONE)
return virq;
- /* set the mask if it is different from current */
- if (type == (irq_to_desc(virq)->status & IRQF_TRIGGER_MASK))
- set_irq_type(virq, type);
+ irq_set_irq_type(virq, type);
return virq;
}
EXPORT_SYMBOL_GPL(irq_create_of_mapping);
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 81ac6c78c01..e2a3f0606da 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -27,7 +27,7 @@ static int die_counter;
void printk_address(unsigned long address, int reliable)
{
- printk(" [<%p>] %s%pS\n", (void *) address,
+ printk(" [<%p>] %s%pB\n", (void *) address,
reliable ? "" : "? ", (void *) address);
}
diff --git a/arch/x86/kernel/i8237.c b/arch/x86/kernel/i8237.c
index b42ca694dc6..8eeaa81de06 100644
--- a/arch/x86/kernel/i8237.c
+++ b/arch/x86/kernel/i8237.c
@@ -10,7 +10,7 @@
*/
#include <linux/init.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <asm/dma.h>
@@ -21,7 +21,7 @@
* in asm/dma.h.
*/
-static int i8237A_resume(struct sys_device *dev)
+static void i8237A_resume(void)
{
unsigned long flags;
int i;
@@ -41,31 +41,15 @@ static int i8237A_resume(struct sys_device *dev)
enable_dma(4);
release_dma_lock(flags);
-
- return 0;
}
-static int i8237A_suspend(struct sys_device *dev, pm_message_t state)
-{
- return 0;
-}
-
-static struct sysdev_class i8237_sysdev_class = {
- .name = "i8237",
- .suspend = i8237A_suspend,
+static struct syscore_ops i8237_syscore_ops = {
.resume = i8237A_resume,
};
-static struct sys_device device_i8237A = {
- .id = 0,
- .cls = &i8237_sysdev_class,
-};
-
-static int __init i8237A_init_sysfs(void)
+static int __init i8237A_init_ops(void)
{
- int error = sysdev_class_register(&i8237_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8237A);
- return error;
+ register_syscore_ops(&i8237_syscore_ops);
+ return 0;
}
-device_initcall(i8237A_init_sysfs);
+device_initcall(i8237A_init_ops);
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index d9ca749c123..65b8f5c2eeb 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -8,7 +8,7 @@
#include <linux/random.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/bitops.h>
#include <linux/acpi.h>
#include <linux/io.h>
@@ -245,20 +245,19 @@ static void save_ELCR(char *trigger)
trigger[1] = inb(0x4d1) & 0xDE;
}
-static int i8259A_resume(struct sys_device *dev)
+static void i8259A_resume(void)
{
init_8259A(i8259A_auto_eoi);
restore_ELCR(irq_trigger);
- return 0;
}
-static int i8259A_suspend(struct sys_device *dev, pm_message_t state)
+static int i8259A_suspend(void)
{
save_ELCR(irq_trigger);
return 0;
}
-static int i8259A_shutdown(struct sys_device *dev)
+static void i8259A_shutdown(void)
{
/* Put the i8259A into a quiescent state that
* the kernel initialization code can get it
@@ -266,21 +265,14 @@ static int i8259A_shutdown(struct sys_device *dev)
*/
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
- return 0;
}
-static struct sysdev_class i8259_sysdev_class = {
- .name = "i8259",
+static struct syscore_ops i8259_syscore_ops = {
.suspend = i8259A_suspend,
.resume = i8259A_resume,
.shutdown = i8259A_shutdown,
};
-static struct sys_device device_i8259A = {
- .id = 0,
- .cls = &i8259_sysdev_class,
-};
-
static void mask_8259A(void)
{
unsigned long flags;
@@ -399,17 +391,12 @@ struct legacy_pic default_legacy_pic = {
struct legacy_pic *legacy_pic = &default_legacy_pic;
-static int __init i8259A_init_sysfs(void)
+static int __init i8259A_init_ops(void)
{
- int error;
-
- if (legacy_pic != &default_legacy_pic)
- return 0;
+ if (legacy_pic == &default_legacy_pic)
+ register_syscore_ops(&i8259_syscore_ops);
- error = sysdev_class_register(&i8259_sysdev_class);
- if (!error)
- error = sysdev_register(&device_i8259A);
- return error;
+ return 0;
}
-device_initcall(i8259A_init_sysfs);
+device_initcall(i8259A_init_ops);
diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c
index dba0b36941a..5f9ecff328b 100644
--- a/arch/x86/kernel/kgdb.c
+++ b/arch/x86/kernel/kgdb.c
@@ -121,8 +121,8 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
dbg_reg_def[regno].size);
- switch (regno) {
#ifdef CONFIG_X86_32
+ switch (regno) {
case GDB_SS:
if (!user_mode_vm(regs))
*(unsigned long *)mem = __KERNEL_DS;
@@ -135,8 +135,8 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
case GDB_FS:
*(unsigned long *)mem = 0xFFFF;
break;
-#endif
}
+#endif
return dbg_reg_def[regno].name;
}
diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index 87af68e0e1e..5ed0ab549eb 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -82,6 +82,7 @@
#include <linux/cpu.h>
#include <linux/fs.h>
#include <linux/mm.h>
+#include <linux/syscore_ops.h>
#include <asm/microcode.h>
#include <asm/processor.h>
@@ -438,33 +439,25 @@ static int mc_sysdev_remove(struct sys_device *sys_dev)
return 0;
}
-static int mc_sysdev_resume(struct sys_device *dev)
+static struct sysdev_driver mc_sysdev_driver = {
+ .add = mc_sysdev_add,
+ .remove = mc_sysdev_remove,
+};
+
+/**
+ * mc_bp_resume - Update boot CPU microcode during resume.
+ */
+static void mc_bp_resume(void)
{
- int cpu = dev->id;
+ int cpu = smp_processor_id();
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
- if (!cpu_online(cpu))
- return 0;
-
- /*
- * All non-bootup cpus are still disabled,
- * so only CPU 0 will apply ucode here.
- *
- * Moreover, there can be no concurrent
- * updates from any other places at this point.
- */
- WARN_ON(cpu != 0);
-
if (uci->valid && uci->mc)
microcode_ops->apply_microcode(cpu);
-
- return 0;
}
-static struct sysdev_driver mc_sysdev_driver = {
- .add = mc_sysdev_add,
- .remove = mc_sysdev_remove,
- .resume = mc_sysdev_resume,
+static struct syscore_ops mc_syscore_ops = {
+ .resume = mc_bp_resume,
};
static __cpuinit int
@@ -542,6 +535,7 @@ static int __init microcode_init(void)
if (error)
return error;
+ register_syscore_ops(&mc_syscore_ops);
register_hotcpu_notifier(&mc_cpu_notifier);
pr_info("Microcode Update Driver: v" MICROCODE_VERSION
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 6f789a887c0..5a532ce646b 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -714,10 +714,6 @@ static void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare)
*nr_m_spare += 1;
}
}
-#else /* CONFIG_X86_IO_APIC */
-static
-inline void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
-#endif /* CONFIG_X86_IO_APIC */
static int
check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length, int count)
@@ -731,6 +727,10 @@ check_slot(unsigned long mpc_new_phys, unsigned long mpc_new_length, int count)
return ret;
}
+#else /* CONFIG_X86_IO_APIC */
+static
+inline void __init check_irq_src(struct mpc_intsrc *m, int *nr_m_spare) {}
+#endif /* CONFIG_X86_IO_APIC */
static int __init replace_intsrc_all(struct mpc_table *mpc,
unsigned long mpc_new_phys,
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index c01ffa5b9b8..82ada01625b 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -27,7 +27,7 @@
#include <linux/kdebug.h>
#include <linux/scatterlist.h>
#include <linux/iommu-helper.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/io.h>
#include <linux/gfp.h>
#include <asm/atomic.h>
@@ -589,7 +589,7 @@ void set_up_gart_resume(u32 aper_order, u32 aper_alloc)
aperture_alloc = aper_alloc;
}
-static void gart_fixup_northbridges(struct sys_device *dev)
+static void gart_fixup_northbridges(void)
{
int i;
@@ -613,33 +613,20 @@ static void gart_fixup_northbridges(struct sys_device *dev)
}
}
-static int gart_resume(struct sys_device *dev)
+static void gart_resume(void)
{
pr_info("PCI-DMA: Resuming GART IOMMU\n");
- gart_fixup_northbridges(dev);
+ gart_fixup_northbridges();
enable_gart_translations();
-
- return 0;
}
-static int gart_suspend(struct sys_device *dev, pm_message_t state)
-{
- return 0;
-}
-
-static struct sysdev_class gart_sysdev_class = {
- .name = "gart",
- .suspend = gart_suspend,
+static struct syscore_ops gart_syscore_ops = {
.resume = gart_resume,
};
-static struct sys_device device_gart = {
- .cls = &gart_sysdev_class,
-};
-
/*
* Private Northbridge GATT initialization in case we cannot use the
* AGP driver for some reason.
@@ -650,7 +637,7 @@ static __init int init_amd_gatt(struct agp_kern_info *info)
unsigned aper_base, new_aper_base;
struct pci_dev *dev;
void *gatt;
- int i, error;
+ int i;
pr_info("PCI-DMA: Disabling AGP.\n");
@@ -685,12 +672,7 @@ static __init int init_amd_gatt(struct agp_kern_info *info)
agp_gatt_table = gatt;
- error = sysdev_class_register(&gart_sysdev_class);
- if (!error)
- error = sysdev_register(&device_gart);
- if (error)
- panic("Could not register gart_sysdev -- "
- "would corrupt data on next suspend");
+ register_syscore_ops(&gart_syscore_ops);
flush_gart();
diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S
index 3e8b08a6de2..1e572c507d0 100644
--- a/arch/x86/lib/cmpxchg16b_emu.S
+++ b/arch/x86/lib/cmpxchg16b_emu.S
@@ -10,6 +10,12 @@
#include <asm/frame.h>
#include <asm/dwarf2.h>
+#ifdef CONFIG_SMP
+#define SEG_PREFIX %gs:
+#else
+#define SEG_PREFIX
+#endif
+
.text
/*
@@ -37,13 +43,13 @@ this_cpu_cmpxchg16b_emu:
pushf
cli
- cmpq %gs:(%rsi), %rax
+ cmpq SEG_PREFIX(%rsi), %rax
jne not_same
- cmpq %gs:8(%rsi), %rdx
+ cmpq SEG_PREFIX 8(%rsi), %rdx
jne not_same
- movq %rbx, %gs:(%rsi)
- movq %rcx, %gs:8(%rsi)
+ movq %rbx, SEG_PREFIX(%rsi)
+ movq %rcx, SEG_PREFIX 8(%rsi)
popf
mov $1, %al
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index e2b7b0c06cd..8dace181c88 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -15,7 +15,7 @@
#include <linux/notifier.h>
#include <linux/smp.h>
#include <linux/oprofile.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
#include <linux/kdebug.h>
@@ -536,7 +536,7 @@ static void nmi_shutdown(void)
#ifdef CONFIG_PM
-static int nmi_suspend(struct sys_device *dev, pm_message_t state)
+static int nmi_suspend(void)
{
/* Only one CPU left, just stop that one */
if (nmi_enabled == 1)
@@ -544,49 +544,31 @@ static int nmi_suspend(struct sys_device *dev, pm_message_t state)
return 0;
}
-static int nmi_resume(struct sys_device *dev)
+static void nmi_resume(void)
{
if (nmi_enabled == 1)
nmi_cpu_start(NULL);
- return 0;
}
-static struct sysdev_class oprofile_sysclass = {
- .name = "oprofile",
+static struct syscore_ops oprofile_syscore_ops = {
.resume = nmi_resume,
.suspend = nmi_suspend,
};
-static struct sys_device device_oprofile = {
- .id = 0,
- .cls = &oprofile_sysclass,
-};
-
-static int __init init_sysfs(void)
+static void __init init_suspend_resume(void)
{
- int error;
-
- error = sysdev_class_register(&oprofile_sysclass);
- if (error)
- return error;
-
- error = sysdev_register(&device_oprofile);
- if (error)
- sysdev_class_unregister(&oprofile_sysclass);
-
- return error;
+ register_syscore_ops(&oprofile_syscore_ops);
}
-static void exit_sysfs(void)
+static void exit_suspend_resume(void)
{
- sysdev_unregister(&device_oprofile);
- sysdev_class_unregister(&oprofile_sysclass);
+ unregister_syscore_ops(&oprofile_syscore_ops);
}
#else
-static inline int init_sysfs(void) { return 0; }
-static inline void exit_sysfs(void) { }
+static inline void init_suspend_resume(void) { }
+static inline void exit_suspend_resume(void) { }
#endif /* CONFIG_PM */
@@ -789,9 +771,7 @@ int __init op_nmi_init(struct oprofile_operations *ops)
mux_init(ops);
- ret = init_sysfs();
- if (ret)
- return ret;
+ init_suspend_resume();
printk(KERN_INFO "oprofile: using NMI interrupt.\n");
return 0;
@@ -799,5 +779,5 @@ int __init op_nmi_init(struct oprofile_operations *ops)
void op_nmi_exit(void)
{
- exit_sysfs();
+ exit_suspend_resume();
}
diff --git a/arch/x86/platform/olpc/olpc-xo1.c b/arch/x86/platform/olpc/olpc-xo1.c
index 99513642a0e..ab81fb27176 100644
--- a/arch/x86/platform/olpc/olpc-xo1.c
+++ b/arch/x86/platform/olpc/olpc-xo1.c
@@ -72,9 +72,9 @@ static int __devinit olpc_xo1_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "can't fetch device resource info\n");
return -EIO;
}
- if (strcmp(pdev->name, "olpc-xo1-pms") == 0)
+ if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = res->start;
- else if (strcmp(pdev->name, "olpc-xo1-ac-acpi") == 0)
+ else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = res->start;
/* If we have both addresses, we can override the poweroff hook */
@@ -90,9 +90,9 @@ static int __devexit olpc_xo1_remove(struct platform_device *pdev)
{
mfd_cell_disable(pdev);
- if (strcmp(pdev->name, "olpc-xo1-pms") == 0)
+ if (strcmp(pdev->name, "cs5535-pms") == 0)
pms_base = 0;
- else if (strcmp(pdev->name, "olpc-xo1-acpi") == 0)
+ else if (strcmp(pdev->name, "olpc-xo1-pm-acpi") == 0)
acpi_base = 0;
pm_power_off = NULL;
@@ -101,7 +101,7 @@ static int __devexit olpc_xo1_remove(struct platform_device *pdev)
static struct platform_driver cs5535_pms_drv = {
.driver = {
- .name = "olpc-xo1-pms",
+ .name = "cs5535-pms",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@@ -110,7 +110,7 @@ static struct platform_driver cs5535_pms_drv = {
static struct platform_driver cs5535_acpi_drv = {
.driver = {
- .name = "olpc-xo1-acpi",
+ .name = "olpc-xo1-pm-acpi",
.owner = THIS_MODULE,
},
.probe = olpc_xo1_probe,
@@ -121,22 +121,21 @@ static int __init olpc_xo1_init(void)
{
int r;
- r = mfd_shared_platform_driver_register(&cs5535_pms_drv, "cs5535-pms");
+ r = platform_driver_register(&cs5535_pms_drv);
if (r)
return r;
- r = mfd_shared_platform_driver_register(&cs5535_acpi_drv,
- "cs5535-acpi");
+ r = platform_driver_register(&cs5535_acpi_drv);
if (r)
- mfd_shared_platform_driver_unregister(&cs5535_pms_drv);
+ platform_driver_unregister(&cs5535_pms_drv);
return r;
}
static void __exit olpc_xo1_exit(void)
{
- mfd_shared_platform_driver_unregister(&cs5535_acpi_drv);
- mfd_shared_platform_driver_unregister(&cs5535_pms_drv);
+ platform_driver_unregister(&cs5535_acpi_drv);
+ platform_driver_unregister(&cs5535_pms_drv);
}
MODULE_AUTHOR("Daniel Drake <dsd@laptop.org>");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-22 08:18:36 +0000