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-rw-r--r--arch/x86/kernel/Makefile1
-rw-r--r--arch/x86/kernel/acpi/boot.c7
-rw-r--r--arch/x86/kernel/acpi/cstate.c1
-rw-r--r--arch/x86/kernel/apic/apic.c13
-rw-r--r--arch/x86/kernel/apic/apic_flat_64.c2
-rw-r--r--arch/x86/kernel/apic/apic_noop.c1
-rw-r--r--arch/x86/kernel/apic/apic_numachip.c7
-rw-r--r--arch/x86/kernel/apic/bigsmp_32.c1
-rw-r--r--arch/x86/kernel/apic/es7000_32.c2
-rw-r--r--arch/x86/kernel/apic/io_apic.c199
-rw-r--r--arch/x86/kernel/apic/numaq_32.c1
-rw-r--r--arch/x86/kernel/apic/probe_32.c1
-rw-r--r--arch/x86/kernel/apic/summit_32.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_phys.c1
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c6
-rw-r--r--arch/x86/kernel/apm_32.c12
-rw-r--r--arch/x86/kernel/asm-offsets_64.c6
-rw-r--r--arch/x86/kernel/cpu/Makefile1
-rw-r--r--arch/x86/kernel/cpu/amd.c3
-rw-r--r--arch/x86/kernel/cpu/common.c18
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c44
-rw-r--r--arch/x86/kernel/cpu/match.c91
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce-severity.c26
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce.c195
-rw-r--r--arch/x86/kernel/cpu/mcheck/mce_amd.c11
-rw-r--r--arch/x86/kernel/cpu/mcheck/p5.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/therm_throt.c1
-rw-r--r--arch/x86/kernel/cpu/mcheck/winchip.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/generic.c1
-rw-r--r--arch/x86/kernel/cpu/mtrr/if.c10
-rw-r--r--arch/x86/kernel/cpu/perf_event.c175
-rw-r--r--arch/x86/kernel/cpu/perf_event.h58
-rw-r--r--arch/x86/kernel/cpu/perf_event_amd.c40
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c158
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_ds.c22
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_lbr.c526
-rw-r--r--arch/x86/kernel/cpu/scattered.c1
-rw-r--r--arch/x86/kernel/cpuid.c1
-rw-r--r--arch/x86/kernel/crash_dump_32.c6
-rw-r--r--arch/x86/kernel/devicetree.c101
-rw-r--r--arch/x86/kernel/dumpstack.c9
-rw-r--r--arch/x86/kernel/dumpstack_32.c2
-rw-r--r--arch/x86/kernel/entry_32.S17
-rw-r--r--arch/x86/kernel/entry_64.S126
-rw-r--r--arch/x86/kernel/i387.c83
-rw-r--r--arch/x86/kernel/i8259.c1
-rw-r--r--arch/x86/kernel/irq_32.c11
-rw-r--r--arch/x86/kernel/irqinit.c9
-rw-r--r--arch/x86/kernel/kgdb.c7
-rw-r--r--arch/x86/kernel/kprobes-common.h102
-rw-r--r--arch/x86/kernel/kprobes-opt.c512
-rw-r--r--arch/x86/kernel/kprobes.c664
-rw-r--r--arch/x86/kernel/kvm.c4
-rw-r--r--arch/x86/kernel/kvmclock.c15
-rw-r--r--arch/x86/kernel/ldt.c1
-rw-r--r--arch/x86/kernel/machine_kexec_32.c1
-rw-r--r--arch/x86/kernel/mca_32.c1
-rw-r--r--arch/x86/kernel/microcode_amd.c1
-rw-r--r--arch/x86/kernel/microcode_core.c15
-rw-r--r--arch/x86/kernel/module.c1
-rw-r--r--arch/x86/kernel/msr.c1
-rw-r--r--arch/x86/kernel/nmi_selftest.c37
-rw-r--r--arch/x86/kernel/paravirt.c6
-rw-r--r--arch/x86/kernel/pci-calgary_64.c1
-rw-r--r--arch/x86/kernel/pci-dma.c5
-rw-r--r--arch/x86/kernel/probe_roms.c1
-rw-r--r--arch/x86/kernel/process.c140
-rw-r--r--arch/x86/kernel/process_32.c63
-rw-r--r--arch/x86/kernel/process_64.c140
-rw-r--r--arch/x86/kernel/ptrace.c104
-rw-r--r--arch/x86/kernel/setup.c22
-rw-r--r--arch/x86/kernel/signal.c141
-rw-r--r--arch/x86/kernel/smpboot.c32
-rw-r--r--arch/x86/kernel/sys_x86_64.c40
-rw-r--r--arch/x86/kernel/syscall_64.c8
-rw-r--r--arch/x86/kernel/tboot.c9
-rw-r--r--arch/x86/kernel/tce_64.c1
-rw-r--r--arch/x86/kernel/time.c3
-rw-r--r--arch/x86/kernel/tls.c5
-rw-r--r--arch/x86/kernel/traps.c135
-rw-r--r--arch/x86/kernel/tsc.c17
-rw-r--r--arch/x86/kernel/tsc_sync.c29
-rw-r--r--arch/x86/kernel/vm86_32.c4
-rw-r--r--arch/x86/kernel/vsyscall_64.c27
-rw-r--r--arch/x86/kernel/x86_init.c5
-rw-r--r--arch/x86/kernel/xsave.c1
87 files changed, 2936 insertions, 1377 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index 5369059c07a..532d2e090e6 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -69,6 +69,7 @@ obj-$(CONFIG_KEXEC) += machine_kexec_$(BITS).o
obj-$(CONFIG_KEXEC) += relocate_kernel_$(BITS).o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump_$(BITS).o
obj-$(CONFIG_KPROBES) += kprobes.o
+obj-$(CONFIG_OPTPROBES) += kprobes-opt.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_DOUBLEFAULT) += doublefault_32.o
obj-$(CONFIG_KGDB) += kgdb.o
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index ce664f33ea8..a415b1f4436 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -239,7 +239,7 @@ acpi_parse_x2apic(struct acpi_subtable_header *header, const unsigned long end)
* to not preallocating memory for all NR_CPUS
* when we use CPU hotplug.
*/
- if (!cpu_has_x2apic && (apic_id >= 0xff) && enabled)
+ if (!apic->apic_id_valid(apic_id) && enabled)
printk(KERN_WARNING PREFIX "x2apic entry ignored\n");
else
acpi_register_lapic(apic_id, enabled);
@@ -593,7 +593,7 @@ void __init acpi_set_irq_model_ioapic(void)
#ifdef CONFIG_ACPI_HOTPLUG_CPU
#include <acpi/processor.h>
-static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
+static void __cpuinitdata acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
{
#ifdef CONFIG_ACPI_NUMA
int nid;
@@ -642,6 +642,7 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
kfree(buffer.pointer);
buffer.length = ACPI_ALLOCATE_BUFFER;
buffer.pointer = NULL;
+ lapic = NULL;
if (!alloc_cpumask_var(&tmp_map, GFP_KERNEL))
goto out;
@@ -650,7 +651,7 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
goto free_tmp_map;
cpumask_copy(tmp_map, cpu_present_mask);
- acpi_register_lapic(physid, lapic->lapic_flags & ACPI_MADT_ENABLED);
+ acpi_register_lapic(physid, ACPI_MADT_ENABLED);
/*
* If mp_register_lapic successfully generates a new logical cpu
diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c
index f50e7fb2a20..d2b7f27781b 100644
--- a/arch/x86/kernel/acpi/cstate.c
+++ b/arch/x86/kernel/acpi/cstate.c
@@ -14,6 +14,7 @@
#include <acpi/processor.h>
#include <asm/acpi.h>
#include <asm/mwait.h>
+#include <asm/special_insns.h>
/*
* Initialize bm_flags based on the CPU cache properties
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 2eec05b6d1b..11544d8f1e9 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -383,20 +383,25 @@ static inline int eilvt_entry_is_changeable(unsigned int old, unsigned int new)
static unsigned int reserve_eilvt_offset(int offset, unsigned int new)
{
- unsigned int rsvd; /* 0: uninitialized */
+ unsigned int rsvd, vector;
if (offset >= APIC_EILVT_NR_MAX)
return ~0;
- rsvd = atomic_read(&eilvt_offsets[offset]) & ~APIC_EILVT_MASKED;
+ rsvd = atomic_read(&eilvt_offsets[offset]);
do {
- if (rsvd &&
- !eilvt_entry_is_changeable(rsvd, new))
+ vector = rsvd & ~APIC_EILVT_MASKED; /* 0: unassigned */
+ if (vector && !eilvt_entry_is_changeable(vector, new))
/* may not change if vectors are different */
return rsvd;
rsvd = atomic_cmpxchg(&eilvt_offsets[offset], rsvd, new);
} while (rsvd != new);
+ rsvd &= ~APIC_EILVT_MASKED;
+ if (rsvd && rsvd != vector)
+ pr_info("LVT offset %d assigned for vector 0x%02x\n",
+ offset, rsvd);
+
return new;
}
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index 8c3cdded6f2..359b6899a36 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -180,6 +180,7 @@ static struct apic apic_flat = {
.name = "flat",
.probe = flat_probe,
.acpi_madt_oem_check = flat_acpi_madt_oem_check,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = flat_apic_id_registered,
.irq_delivery_mode = dest_LowestPrio,
@@ -337,6 +338,7 @@ static struct apic apic_physflat = {
.name = "physical flat",
.probe = physflat_probe,
.acpi_madt_oem_check = physflat_acpi_madt_oem_check,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = flat_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c
index 775b82bc655..634ae6cdd5c 100644
--- a/arch/x86/kernel/apic/apic_noop.c
+++ b/arch/x86/kernel/apic/apic_noop.c
@@ -124,6 +124,7 @@ struct apic apic_noop = {
.probe = noop_probe,
.acpi_madt_oem_check = NULL,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = noop_apic_id_registered,
.irq_delivery_mode = dest_LowestPrio,
diff --git a/arch/x86/kernel/apic/apic_numachip.c b/arch/x86/kernel/apic/apic_numachip.c
index 09d3d8c1cd9..899803e0321 100644
--- a/arch/x86/kernel/apic/apic_numachip.c
+++ b/arch/x86/kernel/apic/apic_numachip.c
@@ -56,6 +56,12 @@ static unsigned int read_xapic_id(void)
return get_apic_id(apic_read(APIC_ID));
}
+static int numachip_apic_id_valid(int apicid)
+{
+ /* Trust what bootloader passes in MADT */
+ return 1;
+}
+
static int numachip_apic_id_registered(void)
{
return physid_isset(read_xapic_id(), phys_cpu_present_map);
@@ -238,6 +244,7 @@ static struct apic apic_numachip __refconst = {
.name = "NumaConnect system",
.probe = numachip_probe,
.acpi_madt_oem_check = numachip_acpi_madt_oem_check,
+ .apic_id_valid = numachip_apic_id_valid,
.apic_id_registered = numachip_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index 521bead0113..0cdec7065af 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -198,6 +198,7 @@ static struct apic apic_bigsmp = {
.name = "bigsmp",
.probe = probe_bigsmp,
.acpi_madt_oem_check = NULL,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = bigsmp_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 5d513bc47b6..e42d1d3b913 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -625,6 +625,7 @@ static struct apic __refdata apic_es7000_cluster = {
.name = "es7000",
.probe = probe_es7000,
.acpi_madt_oem_check = es7000_acpi_madt_oem_check_cluster,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = es7000_apic_id_registered,
.irq_delivery_mode = dest_LowestPrio,
@@ -690,6 +691,7 @@ static struct apic __refdata apic_es7000 = {
.name = "es7000",
.probe = probe_es7000,
.acpi_madt_oem_check = es7000_acpi_madt_oem_check,
+ .apic_id_valid = default_apic_id_valid,
.apic_id_registered = es7000_apic_id_registered,
.irq_delivery_mode = dest_Fixed,
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index fb072754bc1..e88300d8e80 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -64,9 +64,28 @@
#include <asm/apic.h>
#define __apicdebuginit(type) static type __init
+
#define for_each_irq_pin(entry, head) \
for (entry = head; entry; entry = entry->next)
+static void __init __ioapic_init_mappings(void);
+
+static unsigned int __io_apic_read (unsigned int apic, unsigned int reg);
+static void __io_apic_write (unsigned int apic, unsigned int reg, unsigned int val);
+static void __io_apic_modify(unsigned int apic, unsigned int reg, unsigned int val);
+
+static struct io_apic_ops io_apic_ops = {
+ .init = __ioapic_init_mappings,
+ .read = __io_apic_read,
+ .write = __io_apic_write,
+ .modify = __io_apic_modify,
+};
+
+void __init set_io_apic_ops(const struct io_apic_ops *ops)
+{
+ io_apic_ops = *ops;
+}
+
/*
* Is the SiS APIC rmw bug present ?
* -1 = don't know, 0 = no, 1 = yes
@@ -294,6 +313,22 @@ static void free_irq_at(unsigned int at, struct irq_cfg *cfg)
irq_free_desc(at);
}
+static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
+{
+ return io_apic_ops.read(apic, reg);
+}
+
+static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
+{
+ io_apic_ops.write(apic, reg, value);
+}
+
+static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
+{
+ io_apic_ops.modify(apic, reg, value);
+}
+
+
struct io_apic {
unsigned int index;
unsigned int unused[3];
@@ -314,16 +349,17 @@ static inline void io_apic_eoi(unsigned int apic, unsigned int vector)
writel(vector, &io_apic->eoi);
}
-static inline unsigned int io_apic_read(unsigned int apic, unsigned int reg)
+static unsigned int __io_apic_read(unsigned int apic, unsigned int reg)
{
struct io_apic __iomem *io_apic = io_apic_base(apic);
writel(reg, &io_apic->index);
return readl(&io_apic->data);
}
-static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
+static void __io_apic_write(unsigned int apic, unsigned int reg, unsigned int value)
{
struct io_apic __iomem *io_apic = io_apic_base(apic);
+
writel(reg, &io_apic->index);
writel(value, &io_apic->data);
}
@@ -334,7 +370,7 @@ static inline void io_apic_write(unsigned int apic, unsigned int reg, unsigned i
*
* Older SiS APIC requires we rewrite the index register
*/
-static inline void io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
+static void __io_apic_modify(unsigned int apic, unsigned int reg, unsigned int value)
{
struct io_apic __iomem *io_apic = io_apic_base(apic);
@@ -377,6 +413,7 @@ static struct IO_APIC_route_entry __ioapic_read_entry(int apic, int pin)
eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
+
return eu.entry;
}
@@ -384,9 +421,11 @@ static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)
{
union entry_union eu;
unsigned long flags;
+
raw_spin_lock_irqsave(&ioapic_lock, flags);
eu.entry = __ioapic_read_entry(apic, pin);
raw_spin_unlock_irqrestore(&ioapic_lock, flags);
+