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-rw-r--r--arch/i386/kernel/acpi/cstate.c6
-rw-r--r--arch/i386/kernel/cpu/mcheck/non-fatal.c6
-rw-r--r--arch/i386/kernel/cpu/mcheck/therm_throt.c2
-rw-r--r--arch/i386/kernel/cpuid.c2
-rw-r--r--arch/i386/kernel/crash.c66
-rw-r--r--arch/i386/kernel/io_apic.c1
-rw-r--r--arch/i386/kernel/kprobes.c4
-rw-r--r--arch/i386/kernel/microcode.c2
-rw-r--r--arch/i386/kernel/msr.c2
-rw-r--r--arch/i386/kernel/reboot.c1
-rw-r--r--arch/i386/kernel/setup.c3
-rw-r--r--arch/i386/kernel/smp.c4
-rw-r--r--arch/i386/kernel/smpboot.c11
-rw-r--r--arch/i386/kernel/sysenter.c2
-rw-r--r--arch/i386/kernel/traps.c2
-rw-r--r--arch/i386/kernel/tsc.c4
16 files changed, 26 insertions, 92 deletions
diff --git a/arch/i386/kernel/acpi/cstate.c b/arch/i386/kernel/acpi/cstate.c
index 4664b55f623..12e937c1ce4 100644
--- a/arch/i386/kernel/acpi/cstate.c
+++ b/arch/i386/kernel/acpi/cstate.c
@@ -156,10 +156,8 @@ static int __init ffh_cstate_init(void)
static void __exit ffh_cstate_exit(void)
{
- if (cpu_cstate_entry) {
- free_percpu(cpu_cstate_entry);
- cpu_cstate_entry = NULL;
- }
+ free_percpu(cpu_cstate_entry);
+ cpu_cstate_entry = NULL;
}
arch_initcall(ffh_cstate_init);
diff --git a/arch/i386/kernel/cpu/mcheck/non-fatal.c b/arch/i386/kernel/cpu/mcheck/non-fatal.c
index 1f9153ae5b0..6b5d3518a1c 100644
--- a/arch/i386/kernel/cpu/mcheck/non-fatal.c
+++ b/arch/i386/kernel/cpu/mcheck/non-fatal.c
@@ -51,10 +51,10 @@ static void mce_checkregs (void *info)
}
}
-static void mce_work_fn(void *data);
-static DECLARE_WORK(mce_work, mce_work_fn, NULL);
+static void mce_work_fn(struct work_struct *work);
+static DECLARE_DELAYED_WORK(mce_work, mce_work_fn);
-static void mce_work_fn(void *data)
+static void mce_work_fn(struct work_struct *work)
{
on_each_cpu(mce_checkregs, NULL, 1, 1);
schedule_delayed_work(&mce_work, MCE_RATE);
diff --git a/arch/i386/kernel/cpu/mcheck/therm_throt.c b/arch/i386/kernel/cpu/mcheck/therm_throt.c
index bad8b442070..065005c3f16 100644
--- a/arch/i386/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/i386/kernel/cpu/mcheck/therm_throt.c
@@ -116,7 +116,6 @@ static __cpuinit int thermal_throttle_add_dev(struct sys_device *sys_dev)
return sysfs_create_group(&sys_dev->kobj, &thermal_throttle_attr_group);
}
-#ifdef CONFIG_HOTPLUG_CPU
static __cpuinit void thermal_throttle_remove_dev(struct sys_device *sys_dev)
{
return sysfs_remove_group(&sys_dev->kobj, &thermal_throttle_attr_group);
@@ -153,7 +152,6 @@ static struct notifier_block thermal_throttle_cpu_notifier =
{
.notifier_call = thermal_throttle_cpu_callback,
};
-#endif /* CONFIG_HOTPLUG_CPU */
static __init int thermal_throttle_init_device(void)
{
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index 5c5d4507ee7..db6dd20c358 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -166,7 +166,6 @@ static int cpuid_device_create(int i)
return err;
}
-#ifdef CONFIG_HOTPLUG_CPU
static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -186,7 +185,6 @@ static struct notifier_block __cpuinitdata cpuid_class_cpu_notifier =
{
.notifier_call = cpuid_class_cpu_callback,
};
-#endif /* !CONFIG_HOTPLUG_CPU */
static int __init cpuid_init(void)
{
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index 144b4328896..a5e0e990ea9 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -31,68 +31,6 @@
/* This keeps a track of which one is crashing cpu. */
static int crashing_cpu;
-static u32 *append_elf_note(u32 *buf, char *name, unsigned type, void *data,
- size_t data_len)
-{
- struct elf_note note;
-
- note.n_namesz = strlen(name) + 1;
- note.n_descsz = data_len;
- note.n_type = type;
- memcpy(buf, &note, sizeof(note));
- buf += (sizeof(note) +3)/4;
- memcpy(buf, name, note.n_namesz);
- buf += (note.n_namesz + 3)/4;
- memcpy(buf, data, note.n_descsz);
- buf += (note.n_descsz + 3)/4;
-
- return buf;
-}
-
-static void final_note(u32 *buf)
-{
- struct elf_note note;
-
- note.n_namesz = 0;
- note.n_descsz = 0;
- note.n_type = 0;
- memcpy(buf, &note, sizeof(note));
-}
-
-static void crash_save_this_cpu(struct pt_regs *regs, int cpu)
-{
- struct elf_prstatus prstatus;
- u32 *buf;
-
- if ((cpu < 0) || (cpu >= NR_CPUS))
- return;
-
- /* Using ELF notes here is opportunistic.
- * I need a well defined structure format
- * for the data I pass, and I need tags
- * on the data to indicate what information I have
- * squirrelled away. ELF notes happen to provide
- * all of that, so there is no need to invent something new.
- */
- buf = (u32*)per_cpu_ptr(crash_notes, cpu);
- if (!buf)
- return;
- memset(&prstatus, 0, sizeof(prstatus));
- prstatus.pr_pid = current->pid;
- elf_core_copy_regs(&prstatus.pr_reg, regs);
- buf = append_elf_note(buf, "CORE", NT_PRSTATUS, &prstatus,
- sizeof(prstatus));
- final_note(buf);
-}
-
-static void crash_save_self(struct pt_regs *regs)
-{
- int cpu;
-
- cpu = safe_smp_processor_id();
- crash_save_this_cpu(regs, cpu);
-}
-
#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
static atomic_t waiting_for_crash_ipi;
@@ -121,7 +59,7 @@ static int crash_nmi_callback(struct notifier_block *self,
crash_fixup_ss_esp(&fixed_regs, regs);
regs = &fixed_regs;
}
- crash_save_this_cpu(regs, cpu);
+ crash_save_cpu(regs, cpu);
disable_local_APIC();
atomic_dec(&waiting_for_crash_ipi);
/* Assume hlt works */
@@ -195,5 +133,5 @@ void machine_crash_shutdown(struct pt_regs *regs)
#if defined(CONFIG_X86_IO_APIC)
disable_IO_APIC();
#endif
- crash_save_self(regs);
+ crash_save_cpu(regs, safe_smp_processor_id());
}
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 7f015a71ab5..e21dcde0790 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -34,6 +34,7 @@
#include <linux/pci.h>
#include <linux/msi.h>
#include <linux/htirq.h>
+#include <linux/freezer.h>
#include <asm/io.h>
#include <asm/smp.h>
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index fc79e1e859c..af1d5334499 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -184,7 +184,7 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
void __kprobes arch_remove_kprobe(struct kprobe *p)
{
mutex_lock(&kprobe_mutex);
- free_insn_slot(p->ainsn.insn);
+ free_insn_slot(p->ainsn.insn, (p->ainsn.boostable == 1));
mutex_unlock(&kprobe_mutex);
}
@@ -333,7 +333,7 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
return 1;
ss_probe:
-#ifndef CONFIG_PREEMPT
+#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PM)
if (p->ainsn.boostable == 1 && !p->post_handler){
/* Boost up -- we can execute copied instructions directly */
reset_current_kprobe();
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index 23f5984d065..972346604f9 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -703,7 +703,6 @@ static struct sysdev_driver mc_sysdev_driver = {
.resume = mc_sysdev_resume,
};
-#ifdef CONFIG_HOTPLUG_CPU
static __cpuinit int
mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
{
@@ -726,7 +725,6 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
static struct notifier_block mc_cpu_notifier = {
.notifier_call = mc_cpu_callback,
};
-#endif
static int __init microcode_init (void)
{
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index fd45059c908..1d1a56cae34 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -249,7 +249,6 @@ static int msr_device_create(int i)
return err;
}
-#ifdef CONFIG_HOTPLUG_CPU
static int msr_class_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
@@ -270,7 +269,6 @@ static struct notifier_block __cpuinitdata msr_class_cpu_notifier =
{
.notifier_call = msr_class_cpu_callback,
};
-#endif
static int __init msr_init(void)
{
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index 84278e0093a..3514b4153f7 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -12,6 +12,7 @@
#include <linux/dmi.h>
#include <linux/ctype.h>
#include <linux/pm.h>
+#include <linux/reboot.h>
#include <asm/uaccess.h>
#include <asm/apic.h>
#include <asm/desc.h>
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 695d53fd14d..79df6e612db 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -448,8 +448,7 @@ void __init setup_bootmem_allocator(void)
if (LOADER_TYPE && INITRD_START) {
if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
reserve_bootmem(INITRD_START, INITRD_SIZE);
- initrd_start =
- INITRD_START ? INITRD_START + PAGE_OFFSET : 0;
+ initrd_start = INITRD_START + PAGE_OFFSET;
initrd_end = initrd_start+INITRD_SIZE;
}
else {
diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c
index 1b080ab8a49..5285aff8367 100644
--- a/arch/i386/kernel/smp.c
+++ b/arch/i386/kernel/smp.c
@@ -693,6 +693,10 @@ int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
put_cpu();
return -EBUSY;
}
+
+ /* Can deadlock when called with interrupts disabled */
+ WARN_ON(irqs_disabled());
+
spin_lock_bh(&call_lock);
__smp_call_function_single(cpu, func, info, nonatomic, wait);
spin_unlock_bh(&call_lock);
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index b4e6f32de45..4bf0e3c83b8 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -1071,13 +1071,15 @@ void cpu_exit_clear(void)
struct warm_boot_cpu_info {
struct completion *complete;
+ struct work_struct task;
int apicid;
int cpu;
};
-static void __cpuinit do_warm_boot_cpu(void *p)
+static void __cpuinit do_warm_boot_cpu(struct work_struct *work)
{
- struct warm_boot_cpu_info *info = p;
+ struct warm_boot_cpu_info *info =
+ container_of(work, struct warm_boot_cpu_info, task);
do_boot_cpu(info->apicid, info->cpu);
complete(info->complete);
}
@@ -1086,7 +1088,6 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
{
DECLARE_COMPLETION_ONSTACK(done);
struct warm_boot_cpu_info info;
- struct work_struct task;
int apicid, ret;
struct Xgt_desc_struct *cpu_gdt_descr = &per_cpu(cpu_gdt_descr, cpu);
@@ -1111,7 +1112,7 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
info.complete = &done;
info.apicid = apicid;
info.cpu = cpu;
- INIT_WORK(&task, do_warm_boot_cpu, &info);
+ INIT_WORK(&info.task, do_warm_boot_cpu);
tsc_sync_disabled = 1;
@@ -1119,7 +1120,7 @@ static int __cpuinit __smp_prepare_cpu(int cpu)
clone_pgd_range(swapper_pg_dir, swapper_pg_dir + USER_PGD_PTRS,
KERNEL_PGD_PTRS);
flush_tlb_all();
- schedule_work(&task);
+ schedule_work(&info.task);
wait_for_completion(&done);
tsc_sync_disabled = 0;
diff --git a/arch/i386/kernel/sysenter.c b/arch/i386/kernel/sysenter.c
index 92849c7def5..7de9117b5a3 100644
--- a/arch/i386/kernel/sysenter.c
+++ b/arch/i386/kernel/sysenter.c
@@ -136,7 +136,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int exstack)
goto up_fail;
}
- vma = kmem_cache_zalloc(vm_area_cachep, SLAB_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!vma) {
ret = -ENOMEM;
goto up_fail;
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index c447807e2a4..68de48e498c 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -464,7 +464,7 @@ void die(const char * str, struct pt_regs * regs, long err)
u32 lock_owner;
int lock_owner_depth;
} die = {
- .lock = SPIN_LOCK_UNLOCKED,
+ .lock = __SPIN_LOCK_UNLOCKED(die.lock),
.lock_owner = -1,
.lock_owner_depth = 0
};
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c
index 7f22e03253e..1bbe45dca7a 100644
--- a/arch/i386/kernel/tsc.c
+++ b/arch/i386/kernel/tsc.c
@@ -216,7 +216,7 @@ static unsigned int cpufreq_delayed_issched = 0;
static unsigned int cpufreq_init = 0;
static struct work_struct cpufreq_delayed_get_work;
-static void handle_cpufreq_delayed_get(void *v)
+static void handle_cpufreq_delayed_get(struct work_struct *work)
{
unsigned int cpu;
@@ -305,7 +305,7 @@ static int __init cpufreq_tsc(void)
{
int ret;
- INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get, NULL);
+ INIT_WORK(&cpufreq_delayed_get_work, handle_cpufreq_delayed_get);
ret = cpufreq_register_notifier(&time_cpufreq_notifier_block,
CPUFREQ_TRANSITION_NOTIFIER);
if (!ret)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-17 13:44:03 +0000