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-rw-r--r--arch/i386/kernel/Makefile1
-rw-r--r--arch/i386/kernel/apic.c1
-rw-r--r--arch/i386/kernel/apm.c3
-rw-r--r--arch/i386/kernel/cpu/intel_cacheinfo.c2
-rw-r--r--arch/i386/kernel/cpu/mcheck/therm_throt.c4
-rw-r--r--arch/i386/kernel/cpu/transmeta.c6
-rw-r--r--arch/i386/kernel/cpuid.c2
-rw-r--r--arch/i386/kernel/crash.c2
-rw-r--r--arch/i386/kernel/efi.c12
-rw-r--r--arch/i386/kernel/i8259.c1
-rw-r--r--arch/i386/kernel/io_apic.c1
-rw-r--r--arch/i386/kernel/ioport.c1
-rw-r--r--arch/i386/kernel/kprobes.c27
-rw-r--r--arch/i386/kernel/ldt.c1
-rw-r--r--arch/i386/kernel/legacy_serial.c67
-rw-r--r--arch/i386/kernel/microcode.c59
-rw-r--r--arch/i386/kernel/mpparse.c1
-rw-r--r--arch/i386/kernel/msr.c108
-rw-r--r--arch/i386/kernel/nmi.c2
-rw-r--r--arch/i386/kernel/pci-dma.c2
-rw-r--r--arch/i386/kernel/process.c1
-rw-r--r--arch/i386/kernel/ptrace.c1
-rw-r--r--arch/i386/kernel/signal.c1
-rw-r--r--arch/i386/kernel/smp.c1
-rw-r--r--arch/i386/kernel/smpboot.c1
-rw-r--r--arch/i386/kernel/sys_i386.c1
-rw-r--r--arch/i386/kernel/syscall_table.S1
-rw-r--r--arch/i386/kernel/traps.c23
-rw-r--r--arch/i386/kernel/vm86.c1
29 files changed, 149 insertions, 185 deletions
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 4f98516b9f9..91cff8dc9e1 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -34,6 +34,7 @@ obj-y += sysenter.o vsyscall.o
obj-$(CONFIG_ACPI_SRAT) += srat.o
obj-$(CONFIG_EFI) += efi.o efi_stub.o
obj-$(CONFIG_DOUBLEFAULT) += doublefault.o
+obj-$(CONFIG_SERIAL_8250) += legacy_serial.o
obj-$(CONFIG_VM86) += vm86.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_HPET_TIMER) += hpet.o
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index aca054cc055..67824f3bb97 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -19,7 +19,6 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/bootmem.h>
-#include <linux/smp_lock.h>
#include <linux/interrupt.h>
#include <linux/mc146818rtc.h>
#include <linux/kernel_stat.h>
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 367ff1d930c..4112afe712b 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -223,7 +223,6 @@
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/dmi.h>
#include <linux/suspend.h>
#include <linux/kthread.h>
@@ -1173,7 +1172,7 @@ static void reinit_timer(void)
unsigned long flags;
spin_lock_irqsave(&i8253_lock, flags);
- /* set the clock to 100 Hz */
+ /* set the clock to HZ */
outb_p(0x34, PIT_MODE); /* binary, mode 2, LSB/MSB, ch 0 */
udelay(10);
outb_p(LATCH & 0xff, PIT_CH0); /* LSB */
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index 80b4c5d421b..e5be819492e 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -733,9 +733,11 @@ static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb,
sys_dev = get_cpu_sysdev(cpu);
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
cache_add_dev(sys_dev);
break;
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
cache_remove_dev(sys_dev);
break;
}
diff --git a/arch/i386/kernel/cpu/mcheck/therm_throt.c b/arch/i386/kernel/cpu/mcheck/therm_throt.c
index 065005c3f16..7ba7c3abd3a 100644
--- a/arch/i386/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/i386/kernel/cpu/mcheck/therm_throt.c
@@ -1,5 +1,5 @@
/*
- * linux/arch/i386/kerne/cpu/mcheck/therm_throt.c
+ * linux/arch/i386/kernel/cpu/mcheck/therm_throt.c
*
* Thermal throttle event support code (such as syslog messaging and rate
* limiting) that was factored out from x86_64 (mce_intel.c) and i386 (p4.c).
@@ -137,10 +137,12 @@ static __cpuinit int thermal_throttle_cpu_callback(struct notifier_block *nfb,
mutex_lock(&therm_cpu_lock);
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
err = thermal_throttle_add_dev(sys_dev);
WARN_ON(err);
break;
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
thermal_throttle_remove_dev(sys_dev);
break;
}
diff --git a/arch/i386/kernel/cpu/transmeta.c b/arch/i386/kernel/cpu/transmeta.c
index 6471a5a1320..200fb3f9ebf 100644
--- a/arch/i386/kernel/cpu/transmeta.c
+++ b/arch/i386/kernel/cpu/transmeta.c
@@ -77,8 +77,10 @@ static void __cpuinit init_transmeta(struct cpuinfo_x86 *c)
set_bit(X86_FEATURE_CONSTANT_TSC, c->x86_capability);
/* If we can run i686 user-space code, call us an i686 */
-#define USER686 (X86_FEATURE_TSC|X86_FEATURE_CX8|X86_FEATURE_CMOV)
- if ( c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686 )
+#define USER686 ((1 << X86_FEATURE_TSC)|\
+ (1 << X86_FEATURE_CX8)|\
+ (1 << X86_FEATURE_CMOV))
+ if (c->x86 == 5 && (c->x86_capability[0] & USER686) == USER686)
c->x86 = 6;
#ifdef CONFIG_SYSCTL
diff --git a/arch/i386/kernel/cpuid.c b/arch/i386/kernel/cpuid.c
index eeae0d99233..5c2faa10e9f 100644
--- a/arch/i386/kernel/cpuid.c
+++ b/arch/i386/kernel/cpuid.c
@@ -169,9 +169,11 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb, unsigned long ac
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
cpuid_device_create(cpu);
break;
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
device_destroy(cpuid_class, MKDEV(CPUID_MAJOR, cpu));
break;
}
diff --git a/arch/i386/kernel/crash.c b/arch/i386/kernel/crash.c
index a5e0e990ea9..53589d1b1a0 100644
--- a/arch/i386/kernel/crash.c
+++ b/arch/i386/kernel/crash.c
@@ -22,7 +22,7 @@
#include <asm/nmi.h>
#include <asm/hw_irq.h>
#include <asm/apic.h>
-#include <asm/kdebug.h>
+#include <linux/kdebug.h>
#include <asm/smp.h>
#include <mach_ipi.h>
diff --git a/arch/i386/kernel/efi.c b/arch/i386/kernel/efi.c
index dd9e7faafa7..a1808022ea1 100644
--- a/arch/i386/kernel/efi.c
+++ b/arch/i386/kernel/efi.c
@@ -347,14 +347,12 @@ void __init efi_init(void)
printk(KERN_ERR PFX "Woah! Couldn't map the EFI system table.\n");
if (efi.systab->hdr.signature != EFI_SYSTEM_TABLE_SIGNATURE)
printk(KERN_ERR PFX "Woah! EFI system table signature incorrect\n");
- if ((efi.systab->hdr.revision ^ EFI_SYSTEM_TABLE_REVISION) >> 16 != 0)
- printk(KERN_ERR PFX
- "Warning: EFI system table major version mismatch: "
- "got %d.%02d, expected %d.%02d\n",
+ if ((efi.systab->hdr.revision >> 16) == 0)
+ printk(KERN_ERR PFX "Warning: EFI system table version "
+ "%d.%02d, expected 1.00 or greater\n",
efi.systab->hdr.revision >> 16,
- efi.systab->hdr.revision & 0xffff,
- EFI_SYSTEM_TABLE_REVISION >> 16,
- EFI_SYSTEM_TABLE_REVISION & 0xffff);
+ efi.systab->hdr.revision & 0xffff);
+
/*
* Grab some details from the system table
*/
diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index 03abfdb1a6e..0499cbe9871 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -5,7 +5,6 @@
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/random.h>
-#include <linux/smp_lock.h>
#include <linux/init.h>
#include <linux/kernel_stat.h>
#include <linux/sysdev.h>
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 1b623cda3a6..7f8b7af2b95 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -25,7 +25,6 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/sched.h>
-#include <linux/smp_lock.h>
#include <linux/mc146818rtc.h>
#include <linux/compiler.h>
#include <linux/acpi.h>
diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c
index d1e42e0dbe6..3d310a946d7 100644
--- a/arch/i386/kernel/ioport.c
+++ b/arch/i386/kernel/ioport.c
@@ -12,7 +12,6 @@
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/slab.h>
#include <linux/thread_info.h>
diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c
index b545bc746fc..dde828a333c 100644
--- a/arch/i386/kernel/kprobes.c
+++ b/arch/i386/kernel/kprobes.c
@@ -31,8 +31,8 @@
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
+#include <linux/kdebug.h>
#include <asm/cacheflush.h>
-#include <asm/kdebug.h>
#include <asm/desc.h>
#include <asm/uaccess.h>
@@ -226,24 +226,15 @@ static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
}
/* Called with kretprobe_lock held */
-void __kprobes arch_prepare_kretprobe(struct kretprobe *rp,
+void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
struct pt_regs *regs)
{
unsigned long *sara = (unsigned long *)&regs->esp;
- struct kretprobe_instance *ri;
+ ri->ret_addr = (kprobe_opcode_t *) *sara;
- if ((ri = get_free_rp_inst(rp)) != NULL) {
- ri->rp = rp;
- ri->task = current;
- ri->ret_addr = (kprobe_opcode_t *) *sara;
-
- /* Replace the return addr with trampoline addr */
- *sara = (unsigned long) &kretprobe_trampoline;
- add_rp_inst(ri);
- } else {
- rp->nmissed++;
- }
+ /* Replace the return addr with trampoline addr */
+ *sara = (unsigned long) &kretprobe_trampoline;
}
/*
@@ -449,8 +440,7 @@ fastcall void *__kprobes trampoline_handler(struct pt_regs *regs)
break;
}
- BUG_ON(!orig_ret_address || (orig_ret_address == trampoline_address));
-
+ kretprobe_assert(ri, orig_ret_address, trampoline_address);
spin_unlock_irqrestore(&kretprobe_lock, flags);
hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {
@@ -753,6 +743,11 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
return 0;
}
+int __kprobes arch_trampoline_kprobe(struct kprobe *p)
+{
+ return 0;
+}
+
int __init arch_init_kprobes(void)
{
return 0;
diff --git a/arch/i386/kernel/ldt.c b/arch/i386/kernel/ldt.c
index b410e5fb034..e0b2d17f4f1 100644
--- a/arch/i386/kernel/ldt.c
+++ b/arch/i386/kernel/ldt.c
@@ -10,7 +10,6 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
diff --git a/arch/i386/kernel/legacy_serial.c b/arch/i386/kernel/legacy_serial.c
new file mode 100644
index 00000000000..21510118544
--- /dev/null
+++ b/arch/i386/kernel/legacy_serial.c
@@ -0,0 +1,67 @@
+/*
+ * Legacy COM port devices for x86 platforms without PNPBIOS or ACPI.
+ * Data taken from include/asm-i386/serial.h.
+ *
+ * (c) Copyright 2007 Hewlett-Packard Development Company, L.P.
+ * Bjorn Helgaas <bjorn.helgaas@hp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/pnp.h>
+#include <linux/serial_8250.h>
+
+/* Standard COM flags (except for COM4, because of the 8514 problem) */
+#ifdef CONFIG_SERIAL_DETECT_IRQ
+#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ)
+#define COM4_FLAGS (UPF_BOOT_AUTOCONF | UPF_AUTO_IRQ)
+#else
+#define COM_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST)
+#define COM4_FLAGS UPF_BOOT_AUTOCONF
+#endif
+
+#define PORT(_base,_irq,_flags) \
+ { \
+ .iobase = _base, \
+ .irq = _irq, \
+ .uartclk = 1843200, \
+ .iotype = UPIO_PORT, \
+ .flags = _flags, \
+ }
+
+static struct plat_serial8250_port x86_com_data[] = {
+ PORT(0x3F8, 4, COM_FLAGS),
+ PORT(0x2F8, 3, COM_FLAGS),
+ PORT(0x3E8, 4, COM_FLAGS),
+ PORT(0x2E8, 3, COM4_FLAGS),
+ { },
+};
+
+static struct platform_device x86_com_device = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = x86_com_data,
+ },
+};
+
+static int force_legacy_probe;
+module_param_named(force, force_legacy_probe, bool, 0);
+MODULE_PARM_DESC(force, "Force legacy serial port probe");
+
+static int __init serial8250_x86_com_init(void)
+{
+ if (pnp_platform_devices && !force_legacy_probe)
+ return -ENODEV;
+
+ return platform_device_register(&x86_com_device);
+}
+
+module_init(serial8250_x86_com_init);
+
+MODULE_AUTHOR("Bjorn Helgaas");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Generic 8250/16x50 legacy probe module");
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index cbe7ec8dbb9..83f825f2e2d 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -567,7 +567,7 @@ static int cpu_request_microcode(int cpu)
return error;
}
-static int apply_microcode_on_cpu(int cpu)
+static int apply_microcode_check_cpu(int cpu)
{
struct cpuinfo_x86 *c = cpu_data + cpu;
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -575,8 +575,9 @@ static int apply_microcode_on_cpu(int cpu)
unsigned int val[2];
int err = 0;
+ /* Check if the microcode is available */
if (!uci->mc)
- return -EINVAL;
+ return 0;
old = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(cpu));
@@ -614,7 +615,7 @@ static int apply_microcode_on_cpu(int cpu)
return err;
}
-static void microcode_init_cpu(int cpu)
+static void microcode_init_cpu(int cpu, int resume)
{
cpumask_t old;
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -624,8 +625,7 @@ static void microcode_init_cpu(int cpu)
set_cpus_allowed(current, cpumask_of_cpu(cpu));
mutex_lock(&microcode_mutex);
collect_cpu_info(cpu);
- if (uci->valid && system_state == SYSTEM_RUNNING &&
- !suspend_cpu_hotplug)
+ if (uci->valid && system_state == SYSTEM_RUNNING && !resume)
cpu_request_microcode(cpu);
mutex_unlock(&microcode_mutex);
set_cpus_allowed(current, old);
@@ -702,7 +702,7 @@ static struct attribute_group mc_attr_group = {
.name = "microcode",
};
-static int mc_sysdev_add(struct sys_device *sys_dev)
+static int __mc_sysdev_add(struct sys_device *sys_dev, int resume)
{
int err, cpu = sys_dev->id;
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
@@ -711,39 +711,31 @@ static int mc_sysdev_add(struct sys_device *sys_dev)
return 0;
pr_debug("Microcode:CPU %d added\n", cpu);
- /* If suspend_cpu_hotplug is set, the system is resuming and we should
- * use the data from before the suspend.
- */
- if (suspend_cpu_hotplug) {
- err = apply_microcode_on_cpu(cpu);
- if (err)
- microcode_fini_cpu(cpu);
- }
- if (!uci->valid)
- memset(uci, 0, sizeof(*uci));
+ memset(uci, 0, sizeof(*uci));
err = sysfs_create_group(&sys_dev->kobj, &mc_attr_group);
if (err)
return err;
- if (!uci->valid)
- microcode_init_cpu(cpu);
+ microcode_init_cpu(cpu, resume);
return 0;
}
+static int mc_sysdev_add(struct sys_device *sys_dev)
+{
+ return __mc_sysdev_add(sys_dev, 0);
+}
+
static int mc_sysdev_remove(struct sys_device *sys_dev)
{
int cpu = sys_dev->id;
if (!cpu_online(cpu))
return 0;
+
pr_debug("Microcode:CPU %d removed\n", cpu);
- /* If suspend_cpu_hotplug is set, the system is suspending and we should
- * keep the microcode in memory for the resume.
- */
- if (!suspend_cpu_hotplug)
- microcode_fini_cpu(cpu);
+ microcode_fini_cpu(cpu);
sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
return 0;
}
@@ -774,13 +766,34 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
sys_dev = get_cpu_sysdev(cpu);
switch (action) {
+ case CPU_UP_CANCELED_FROZEN:
+ /* The CPU refused to come up during a system resume */
+ microcode_fini_cpu(cpu);
+ break;
case CPU_ONLINE:
case CPU_DOWN_FAILED:
mc_sysdev_add(sys_dev);
break;
+ case CPU_ONLINE_FROZEN:
+ /* System-wide resume is in progress, try to apply microcode */
+ if (apply_microcode_check_cpu(cpu)) {
+ /* The application of microcode failed */
+ microcode_fini_cpu(cpu);
+ __mc_sysdev_add(sys_dev, 1);
+ break;
+ }
+ case CPU_DOWN_FAILED_FROZEN:
+ if (sysfs_create_group(&sys_dev->kobj, &mc_attr_group))
+ printk(KERN_ERR "Microcode: Failed to create the sysfs "
+ "group for CPU%d\n", cpu);
+ break;
case CPU_DOWN_PREPARE:
mc_sysdev_remove(sys_dev);
break;
+ case CPU_DOWN_PREPARE_FROZEN:
+ /* Suspend is in progress, only remove the interface */
+ sysfs_remove_group(&sys_dev->kobj, &mc_attr_group);
+ break;
}
return NOTIFY_OK;
}
diff --git a/arch/i386/kernel/mpparse.c b/arch/i386/kernel/mpparse.c
index 0952eccd8f2..13abb4ebfb7 100644
--- a/arch/i386/kernel/mpparse.c
+++ b/arch/i386/kernel/mpparse.c
@@ -18,7 +18,6 @@
#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/bootmem.h>
-#include <linux/smp_lock.h>
#include <linux/kernel_stat.h>
#include <linux/mc146818rtc.h>
#include <linux/bitops.h>
diff --git a/arch/i386/kernel/msr.c b/arch/i386/kernel/msr.c
index bcaa6e9b619..0c1069b8d63 100644
--- a/arch/i386/kernel/msr.c
+++ b/arch/i386/kernel/msr.c
@@ -45,104 +45,6 @@
static struct class *msr_class;
-static inline int wrmsr_eio(u32 reg, u32 eax, u32 edx)
-{
- int err;
-
- err = wrmsr_safe(reg, eax, edx);
- if (err)
- err = -EIO;
- return err;
-}
-
-static inline int rdmsr_eio(u32 reg, u32 *eax, u32 *edx)
-{
- int err;
-
- err = rdmsr_safe(reg, eax, edx);
- if (err)
- err = -EIO;
- return err;
-}
-
-#ifdef CONFIG_SMP
-
-struct msr_command {
- int err;
- u32 reg;
- u32 data[2];
-};
-
-static void msr_smp_wrmsr(void *cmd_block)
-{
- struct msr_command *cmd = (struct msr_command *)cmd_block;
-
- cmd->err = wrmsr_eio(cmd->reg, cmd->data[0], cmd->data[1]);
-}
-
-static void msr_smp_rdmsr(void *cmd_block)
-{
- struct msr_command *cmd = (struct msr_command *)cmd_block;
-
- cmd->err = rdmsr_eio(cmd->reg, &cmd->data[0], &cmd->data[1]);
-}
-
-static inline int do_wrmsr(int cpu, u32 reg, u32 eax, u32 edx)
-{
- struct msr_command cmd;
- int ret;
-
- preempt_disable();
- if (cpu == smp_processor_id()) {
- ret = wrmsr_eio(reg, eax, edx);
- } else {
- cmd.reg = reg;
- cmd.data[0] = eax;
- cmd.data[1] = edx;
-
- smp_call_function_single(cpu, msr_smp_wrmsr, &cmd, 1, 1);
- ret = cmd.err;
- }
- preempt_enable();
- return ret;
-}
-
-static inline int do_rdmsr(int cpu, u32 reg, u32 * eax, u32 * edx)
-{
- struct msr_command cmd;
- int ret;
-
- preempt_disable();
- if (cpu == smp_processor_id()) {
- ret = rdmsr_eio(reg, eax, edx);
- } else {
- cmd.reg = reg;
-
- smp_call_function_single(cpu, msr_smp_rdmsr, &cmd, 1, 1);
-
- *eax = cmd.data[0];
- *edx = cmd.data[1];
-
- ret = cmd.err;
- }
- preempt_enable();
- return ret;
-}
-
-#else /* ! CONFIG_SMP */
-
-static inline int do_wrmsr(int cpu, u32 reg, u32 eax, u32 edx)
-{
- return wrmsr_eio(reg, eax, edx);
-}
-
-static inline int do_rdmsr(int cpu, u32 reg, u32 *eax, u32 *edx)
-{
- return rdmsr_eio(reg, eax, edx);
-}
-
-#endif /* ! CONFIG_SMP */
-
static loff_t msr_seek(struct file *file, loff_t offset, int orig)
{
loff_t ret = -EINVAL;
@@ -174,9 +76,9 @@ static ssize_t msr_read(struct file *file, char __user * buf,
return -EINVAL; /* Invalid chunk size */
for (; count; count -= 8) {
- err = do_rdmsr(cpu, reg, &data[0], &data[1]);
+ err = rdmsr_safe_on_cpu(cpu, reg, &data[0], &data[1]);
if (err)
- return err;
+ return -EIO;
if (copy_to_user(tmp, &data, 8))
return -EFAULT;
tmp += 2;
@@ -200,9 +102,9 @@ static ssize_t msr_write(struct file *file, const char __user *buf,
for (; count; count -= 8) {
if (copy_from_user(&data, tmp, 8))
return -EFAULT;
- err = do_wrmsr(cpu, reg, data[0], data[1]);
+ err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]);
if (err)
- return err;
+ return -EIO;
tmp += 2;
}
@@ -251,9 +153,11 @@ static int msr_class_cpu_callback(struct notifier_block *nfb,
switch (action) {
case CPU_ONLINE:
+ case CPU_ONLINE_FROZEN:
msr_device_create(cpu);
break;
case CPU_DEAD:
+ case CPU_DEAD_FROZEN:
device_destroy(msr_class, MKDEV(MSR_MAJOR, cpu));
break;
}
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 33cf2f3c444..fba121f7973 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -23,10 +23,10 @@
#include <linux/kprobes.h>
#include <linux/cpumask.h>
#include <linux/kernel_stat.h>
+#include <linux/kdebug.h>
#include <asm/smp.h>
#include <asm/nmi.h>
-#include <asm/kdebug.h>
#include "mach_traps.h"
diff --git a/arch/i386/kernel/pci-dma.c b/arch/i386/kernel/pci-dma.c
index 3ebcea03362..30b754f7cbe 100644
--- a/arch/i386/kernel/pci-dma.c
+++ b/arch/i386/kernel/pci-dma.c
@@ -77,7 +77,7 @@ int dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
{
void __iomem *mem_base = NULL;
int pages = size >> PAGE_SHIFT;
- int bitmap_size = (pages + 31)/32;
+ int bitmap_size = BITS_TO_LONGS(pages) * sizeof(long);
if ((flags & (DMA_MEMORY_MAP | DMA_MEMORY_IO)) == 0)
goto out;
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 61999479b7a..d76d9bc33b3 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -21,7 +21,6 @@
#include <linux/mm.h>
#include <linux/elfcore.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/stddef.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index 4a8f8a25972..0c0ceec5de0 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -9,7 +9,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/user.h>
diff --git a/arch/i386/kernel/signal.c b/arch/i386/kernel/signal.c
index 4f99e870c98..d574e38f0f7 100644
--- a/arch/i386/kernel/signal.c
+++ b/arch/i386/kernel/signal.c
@@ -10,7 +10,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/kernel.h>
#include <linux/signal.h>
#include <linux/errno.h>
diff --git a/arch/i386/kernel/smp.c b/arch/i386/kernel/smp.c
index 89a45a9ddcd..93f202a855f 100644
--- a/arch/i386/kernel/smp.c
+++ b/arch/i386/kernel/smp.c
@@ -13,7 +13,6 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
-#include <linux/smp_lock.h>
#include <linux/kernel_stat.h>
#include <linux/mc146818rtc.h>
#include <linux/cache.h>
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index a4b7ad283f4..b92cc4e8b3b 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -40,7 +40,6 @@
#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/kernel_stat.h>
-#include <linux/smp_lock.h>
#include <linux/bootmem.h>
#include <linux/notifier.h>
#include <linux/cpu.h>
diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c
index 4048397f174..e5dcb937901 100644
--- a/arch/i386/kernel/sys_i386.c
+++ b/arch/i386/kernel/sys_i386.c
@@ -10,7 +10,6 @@
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S
index 2697e9210e9..0772678ceec 100644
--- a/arch/i386/kernel/syscall_table.S
+++ b/arch/i386/kernel/syscall_table.S
@@ -319,3 +319,4 @@ ENTRY(sys_call_table)
.long sys_move_pages
.long sys_getcpu
.long sys_epoll_pwait
+ .long sys_utimensat /* 320 */
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index f21b41e7770..c05e7e861b2 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -52,7 +52,7 @@
#include <asm/unwind.h>
#include <asm/smp.h>
#include <asm/arch_hooks.h>
-#include <asm/kdebug.h>
+#include <linux/kdebug.h>
#include <asm/stacktrace.h>
#include <linux/module.h>
@@ -95,20 +95,6 @@ asmlinkage void machine_check(void);
int kstack_depth_to_print = 24;
static unsigned int code_bytes = 64;
-ATOMIC_NOTIFIER_HEAD(i386die_chain);
-
-int register_die_notifier(struct notifier_block *nb)
-{
- vmalloc_sync_all();
- return atomic_notifier_chain_register(&i386die_chain, nb);
-}
-EXPORT_SYMBOL(register_die_notifier); /* used modular by kdb */
-
-int unregister_die_notifier(struct notifier_block *nb)
-{
- return atomic_notifier_chain_unregister(&i386die_chain, nb);
-}
-EXPORT_SYMBOL(unregister_die_notifier); /* used modular by kdb */
static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
{
@@ -319,7 +305,7 @@ void show_registers(struct pt_regs *regs)
regs->xds & 0xffff, regs->xes & 0xffff, regs->xfs & 0xffff, gs, ss);
printk(KERN_EMERG "Process %.*s (pid: %d, ti=%p task=%p task.ti=%p)",
TASK_COMM_LEN, current->comm, current->pid,
- current_thread_info(), current, current->thread_info);
+ current_thread_info(), current, task_thread_info(current));
/*
* When in-kernel, we also print out the stack and code at the
* time of the fault..
@@ -747,6 +733,11 @@ static __kprobes void default_do_nmi(struct pt_regs * regs)
*/
if (nmi_watchdog_tick(regs, reason))
return;
+#endif
+ if (notify_die(DIE_NMI_POST, "nmi_post", regs, reason, 2, 0)
+ == NOTIFY_STOP)
+ return;
+#ifdef CONFIG_X86_LOCAL_APIC
if (!do_nmi_callback(regs, smp_processor_id()))
#endif
unknown_nmi_error(reason, regs);
diff --git a/arch/i386/kernel/vm86.c b/arch/i386/kernel/vm86.c
index d1b8f2b7aea..f2dcd1d27c0 100644
--- a/arch/i386/kernel/vm86.c
+++ b/arch/i386/kernel/vm86.c
@@ -39,7 +39,6 @@
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/highmem.h>
#include <linux/ptrace.h>
#include <linux/audit.h>