aboutsummaryrefslogtreecommitdiff
path: root/arch/x86
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/ia32/ia32entry.S8
-rw-r--r--arch/x86/include/asm/paravirt.h1
-rw-r--r--arch/x86/include/asm/spinlock.h1
-rw-r--r--arch/x86/kernel/acpi/sleep.c4
-rw-r--r--arch/x86/kernel/apic.c2
-rw-r--r--arch/x86/kernel/cpu/cpufreq/Kconfig11
-rw-r--r--arch/x86/kernel/cpu/cpufreq/powernow-k8.c28
-rw-r--r--arch/x86/kernel/cpu/intel_cacheinfo.c15
-rw-r--r--arch/x86/kernel/entry_64.S1
-rw-r--r--arch/x86/kernel/io_apic.c5
-rw-r--r--arch/x86/kernel/irqinit_32.c12
-rw-r--r--arch/x86/mach-default/setup.c12
-rw-r--r--arch/x86/mach-voyager/setup.c12
-rw-r--r--arch/x86/mach-voyager/voyager_smp.c25
-rw-r--r--arch/x86/mm/fault.c8
-rw-r--r--arch/x86/xen/multicalls.h4
16 files changed, 95 insertions, 54 deletions
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 256b00b6189..5a0d76dc56a 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -418,9 +418,9 @@ ENTRY(ia32_syscall)
orl $TS_COMPAT,TI_status(%r10)
testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r10)
jnz ia32_tracesys
-ia32_do_syscall:
cmpl $(IA32_NR_syscalls-1),%eax
- ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
+ ja ia32_badsys
+ia32_do_call:
IA32_ARG_FIXUP
call *ia32_sys_call_table(,%rax,8) # xxx: rip relative
ia32_sysret:
@@ -435,7 +435,9 @@ ia32_tracesys:
call syscall_trace_enter
LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */
RESTORE_REST
- jmp ia32_do_syscall
+ cmpl $(IA32_NR_syscalls-1),%eax
+ ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */
+ jmp ia32_do_call
END(ia32_syscall)
ia32_badsys:
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index ba3e2ff6aed..c09a1412758 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -1402,6 +1402,7 @@ static inline int __raw_spin_is_contended(struct raw_spinlock *lock)
{
return PVOP_CALL1(int, pv_lock_ops.spin_is_contended, lock);
}
+#define __raw_spin_is_contended __raw_spin_is_contended
static __always_inline void __raw_spin_lock(struct raw_spinlock *lock)
{
diff --git a/arch/x86/include/asm/spinlock.h b/arch/x86/include/asm/spinlock.h
index d17c91981da..8247e94ac6b 100644
--- a/arch/x86/include/asm/spinlock.h
+++ b/arch/x86/include/asm/spinlock.h
@@ -245,6 +245,7 @@ static inline int __raw_spin_is_contended(raw_spinlock_t *lock)
{
return __ticket_spin_is_contended(lock);
}
+#define __raw_spin_is_contended __raw_spin_is_contended
static __always_inline void __raw_spin_lock(raw_spinlock_t *lock)
{
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index 707c1f6f95f..a60c1f3bcb8 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -156,11 +156,11 @@ static int __init acpi_sleep_setup(char *str)
#ifdef CONFIG_HIBERNATION
if (strncmp(str, "s4_nohwsig", 10) == 0)
acpi_no_s4_hw_signature();
+ if (strncmp(str, "s4_nonvs", 8) == 0)
+ acpi_s4_no_nvs();
#endif
if (strncmp(str, "old_ordering", 12) == 0)
acpi_old_suspend_ordering();
- if (strncmp(str, "s4_nonvs", 8) == 0)
- acpi_s4_no_nvs();
str = strchr(str, ',');
if (str != NULL)
str += strspn(str, ", \t");
diff --git a/arch/x86/kernel/apic.c b/arch/x86/kernel/apic.c
index 4b6df2469fe..115449f869e 100644
--- a/arch/x86/kernel/apic.c
+++ b/arch/x86/kernel/apic.c
@@ -1436,7 +1436,7 @@ static int __init detect_init_APIC(void)
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD:
if ((boot_cpu_data.x86 == 6 && boot_cpu_data.x86_model > 1) ||
- (boot_cpu_data.x86 == 15))
+ (boot_cpu_data.x86 >= 15))
break;
goto no_apic;
case X86_VENDOR_INTEL:
diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig b/arch/x86/kernel/cpu/cpufreq/Kconfig
index efae3b22a0f..65792c2cc46 100644
--- a/arch/x86/kernel/cpu/cpufreq/Kconfig
+++ b/arch/x86/kernel/cpu/cpufreq/Kconfig
@@ -245,17 +245,6 @@ config X86_E_POWERSAVER
comment "shared options"
-config X86_ACPI_CPUFREQ_PROC_INTF
- bool "/proc/acpi/processor/../performance interface (deprecated)"
- depends on PROC_FS
- depends on X86_ACPI_CPUFREQ || X86_POWERNOW_K7_ACPI || X86_POWERNOW_K8_ACPI
- help
- This enables the deprecated /proc/acpi/processor/../performance
- interface. While it is helpful for debugging, the generic,
- cross-architecture cpufreq interfaces should be used.
-
- If in doubt, say N.
-
config X86_SPEEDSTEP_LIB
tristate
default (X86_SPEEDSTEP_ICH || X86_SPEEDSTEP_SMI || X86_P4_CLOCKMOD)
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 5c28b37dea1..fb039cd345d 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -939,10 +939,25 @@ static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data)
free_cpumask_var(data->acpi_data.shared_cpu_map);
}
+static int get_transition_latency(struct powernow_k8_data *data)
+{
+ int max_latency = 0;
+ int i;
+ for (i = 0; i < data->acpi_data.state_count; i++) {
+ int cur_latency = data->acpi_data.states[i].transition_latency
+ + data->acpi_data.states[i].bus_master_latency;
+ if (cur_latency > max_latency)
+ max_latency = cur_latency;
+ }
+ /* value in usecs, needs to be in nanoseconds */
+ return 1000 * max_latency;
+}
+
#else
static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) { return -ENODEV; }
static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data) { return; }
static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index) { return; }
+static int get_transition_latency(struct powernow_k8_data *data) { return 0; }
#endif /* CONFIG_X86_POWERNOW_K8_ACPI */
/* Take a frequency, and issue the fid/vid transition command */
@@ -1173,7 +1188,13 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
if (rc) {
goto err_out;
}
- }
+ /* Take a crude guess here.
+ * That guess was in microseconds, so multiply with 1000 */
+ pol->cpuinfo.transition_latency = (
+ ((data->rvo + 8) * data->vstable * VST_UNITS_20US) +
+ ((1 << data->irt) * 30)) * 1000;
+ } else /* ACPI _PSS objects available */
+ pol->cpuinfo.transition_latency = get_transition_latency(data);
/* only run on specific CPU from here on */
oldmask = current->cpus_allowed;
@@ -1204,11 +1225,6 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
cpumask_copy(pol->cpus, &per_cpu(cpu_core_map, pol->cpu));
data->available_cores = pol->cpus;
- /* Take a crude guess here.
- * That guess was in microseconds, so multiply with 1000 */
- pol->cpuinfo.transition_latency = (((data->rvo + 8) * data->vstable * VST_UNITS_20US)
- + (3 * (1 << data->irt) * 10)) * 1000;
-
if (cpu_family == CPU_HW_PSTATE)
pol->cur = find_khz_freq_from_pstate(data->powernow_table, data->currpstate);
else
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index 48533d77be7..da299eb85fc 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -36,8 +36,11 @@ static struct _cache_table cache_table[] __cpuinitdata =
{
{ 0x06, LVL_1_INST, 8 }, /* 4-way set assoc, 32 byte line size */
{ 0x08, LVL_1_INST, 16 }, /* 4-way set assoc, 32 byte line size */
+ { 0x09, LVL_1_INST, 32 }, /* 4-way set assoc, 64 byte line size */
{ 0x0a, LVL_1_DATA, 8 }, /* 2 way set assoc, 32 byte line size */
{ 0x0c, LVL_1_DATA, 16 }, /* 4-way set assoc, 32 byte line size */
+ { 0x0d, LVL_1_DATA, 16 }, /* 4-way set assoc, 64 byte line size */
+ { 0x21, LVL_2, 256 }, /* 8-way set assoc, 64 byte line size */
{ 0x22, LVL_3, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */
{ 0x23, LVL_3, 1024 }, /* 8-way set assoc, sectored cache, 64 byte line size */
{ 0x25, LVL_3, 2048 }, /* 8-way set assoc, sectored cache, 64 byte line size */
@@ -85,6 +88,18 @@ static struct _cache_table cache_table[] __cpuinitdata =
{ 0x85, LVL_2, 2048 }, /* 8-way set assoc, 32 byte line size */
{ 0x86, LVL_2, 512 }, /* 4-way set assoc, 64 byte line size */
{ 0x87, LVL_2, 1024 }, /* 8-way set assoc, 64 byte line size */
+ { 0xd0, LVL_3, 512 }, /* 4-way set assoc, 64 byte line size */
+ { 0xd1, LVL_3, 1024 }, /* 4-way set assoc, 64 byte line size */
+ { 0xd2, LVL_3, 2048 }, /* 4-way set assoc, 64 byte line size */
+ { 0xd6, LVL_3, 1024 }, /* 8-way set assoc, 64 byte line size */
+ { 0xd7, LVL_3, 2038 }, /* 8-way set assoc, 64 byte line size */
+ { 0xd8, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */
+ { 0xdc, LVL_3, 2048 }, /* 12-way set assoc, 64 byte line size */
+ { 0xdd, LVL_3, 4096 }, /* 12-way set assoc, 64 byte line size */
+ { 0xde, LVL_3, 8192 }, /* 12-way set assoc, 64 byte line size */
+ { 0xe2, LVL_3, 2048 }, /* 16-way set assoc, 64 byte line size */
+ { 0xe3, LVL_3, 4096 }, /* 16-way set assoc, 64 byte line size */
+ { 0xe4, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */
{ 0x00, 0, 0}
};
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
index e28c7a98779..a1346217e43 100644
--- a/arch/x86/kernel/entry_64.S
+++ b/arch/x86/kernel/entry_64.S
@@ -346,6 +346,7 @@ ENTRY(save_args)
popq_cfi %rax /* move return address... */
mov %gs:pda_irqstackptr,%rsp
EMPTY_FRAME 0
+ pushq_cfi %rbp /* backlink for unwinder */
pushq_cfi %rax /* ... to the new stack */
/*
* We entered an interrupt context - irqs are off:
diff --git a/arch/x86/kernel/io_apic.c b/arch/x86/kernel/io_apic.c
index 1c4a1302536..9b0c480c383 100644
--- a/arch/x86/kernel/io_apic.c
+++ b/arch/x86/kernel/io_apic.c
@@ -2528,14 +2528,15 @@ static void irq_complete_move(struct irq_desc **descp)
vector = ~get_irq_regs()->orig_ax;
me = smp_processor_id();
+
+ if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain)) {
#ifdef CONFIG_NUMA_MIGRATE_IRQ_DESC
*descp = desc = move_irq_desc(desc, me);
/* get the new one */
cfg = desc->chip_data;
#endif
-
- if (vector == cfg->vector && cpumask_test_cpu(me, cfg->domain))
send_cleanup_vector(cfg);
+ }
}
#else
static inline void irq_complete_move(struct irq_desc **descp) {}
diff --git a/arch/x86/kernel/irqinit_32.c b/arch/x86/kernel/irqinit_32.c
index 1507ad4e674..10a09c2f182 100644
--- a/arch/x86/kernel/irqinit_32.c
+++ b/arch/x86/kernel/irqinit_32.c
@@ -78,15 +78,6 @@ void __init init_ISA_irqs(void)
}
}
-/*
- * IRQ2 is cascade interrupt to second interrupt controller
- */
-static struct irqaction irq2 = {
- .handler = no_action,
- .mask = CPU_MASK_NONE,
- .name = "cascade",
-};
-
DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
[0 ... IRQ0_VECTOR - 1] = -1,
[IRQ0_VECTOR] = 0,
@@ -178,9 +169,6 @@ void __init native_init_IRQ(void)
alloc_intr_gate(THERMAL_APIC_VECTOR, thermal_interrupt);
#endif
- if (!acpi_ioapic)
- setup_irq(2, &irq2);
-
/* setup after call gates are initialised (usually add in
* the architecture specific gates)
*/
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index df167f26562..a265a7c6319 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -38,6 +38,15 @@ void __init pre_intr_init_hook(void)
init_ISA_irqs();
}
+/*
+ * IRQ2 is cascade interrupt to second interrupt controller
+ */
+static struct irqaction irq2 = {
+ .handler = no_action,
+ .mask = CPU_MASK_NONE,
+ .name = "cascade",
+};
+
/**
* intr_init_hook - post gate setup interrupt initialisation
*
@@ -53,6 +62,9 @@ void __init intr_init_hook(void)
if (x86_quirks->arch_intr_init())
return;
}
+ if (!acpi_ioapic)
+ setup_irq(2, &irq2);
+
}
/**
diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c
index a580b9562e7..d914a7996a6 100644
--- a/arch/x86/mach-voyager/setup.c
+++ b/arch/x86/mach-voyager/setup.c
@@ -33,13 +33,23 @@ void __init intr_init_hook(void)
setup_irq(2, &irq2);
}
-void __init pre_setup_arch_hook(void)
+static void voyager_disable_tsc(void)
{
/* Voyagers run their CPUs from independent clocks, so disable
* the TSC code because we can't sync them */
setup_clear_cpu_cap(X86_FEATURE_TSC);
}
+void __init pre_setup_arch_hook(void)
+{
+ voyager_disable_tsc();
+}
+
+void __init pre_time_init_hook(void)
+{
+ voyager_disable_tsc();
+}
+
void __init trap_init_hook(void)
{
}
diff --git a/arch/x86/mach-voyager/voyager_smp.c b/arch/x86/mach-voyager/voyager_smp.c
index 9840b7ec749..7ffcdeec463 100644
--- a/arch/x86/mach-voyager/voyager_smp.c
+++ b/arch/x86/mach-voyager/voyager_smp.c
@@ -81,7 +81,7 @@ static void enable_local_vic_irq(unsigned int irq);
static void disable_local_vic_irq(unsigned int irq);
static void before_handle_vic_irq(unsigned int irq);
static void after_handle_vic_irq(unsigned int irq);
-static void set_vic_irq_affinity(unsigned int irq, cpumask_t mask);
+static void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask);
static void ack_vic_irq(unsigned int irq);
static void vic_enable_cpi(void);
static void do_boot_cpu(__u8 cpuid);
@@ -211,8 +211,6 @@ static __u32 cpu_booted_map;
static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
/* This is for the new dynamic CPU boot code */
-cpumask_t cpu_callin_map = CPU_MASK_NONE;
-cpumask_t cpu_callout_map = CPU_MASK_NONE;
/* The per processor IRQ masks (these are usually kept in sync) */
static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned;
@@ -378,7 +376,7 @@ void __init find_smp_config(void)
cpus_addr(phys_cpu_present_map)[0] |=
voyager_extended_cmos_read(VOYAGER_PROCESSOR_PRESENT_MASK +
3) << 24;
- cpu_possible_map = phys_cpu_present_map;
+ init_cpu_possible(&phys_cpu_present_map);
printk("VOYAGER SMP: phys_cpu_present_map = 0x%lx\n",
cpus_addr(phys_cpu_present_map)[0]);
/* Here we set up the VIC to enable SMP */
@@ -1599,16 +1597,16 @@ static void after_handle_vic_irq(unsigned int irq)
* change the mask and then do an interrupt enable CPI to re-enable on
* the selected processors */
-void set_vic_irq_affinity(unsigned int irq, cpumask_t mask)
+void set_vic_irq_affinity(unsigned int irq, const struct cpumask *mask)
{
/* Only extended processors handle interrupts */
unsigned long real_mask;
unsigned long irq_mask = 1 << irq;
int cpu;
- real_mask = cpus_addr(mask)[0] & voyager_extended_vic_processors;
+ real_mask = cpus_addr(*mask)[0] & voyager_extended_vic_processors;
- if (cpus_addr(mask)[0] == 0)
+ if (cpus_addr(*mask)[0] == 0)
/* can't have no CPUs to accept the interrupt -- extremely
* bad things will happen */
return;
@@ -1750,10 +1748,11 @@ static void __cpuinit voyager_smp_prepare_boot_cpu(void)
init_gdt(smp_processor_id());
switch_to_new_gdt();
- cpu_set(smp_processor_id(), cpu_online_map);
- cpu_set(smp_processor_id(), cpu_callout_map);
- cpu_set(smp_processor_id(), cpu_possible_map);
- cpu_set(smp_processor_id(), cpu_present_map);
+ cpu_online_map = cpumask_of_cpu(smp_processor_id());
+ cpu_callout_map = cpumask_of_cpu(smp_processor_id());
+ cpu_callin_map = CPU_MASK_NONE;
+ cpu_present_map = cpumask_of_cpu(smp_processor_id());
+
}
static int __cpuinit voyager_cpu_up(unsigned int cpu)
@@ -1783,9 +1782,9 @@ void __init smp_setup_processor_id(void)
x86_write_percpu(cpu_number, hard_smp_processor_id());
}
-static void voyager_send_call_func(cpumask_t callmask)
+static void voyager_send_call_func(const struct cpumask *callmask)
{
- __u32 mask = cpus_addr(callmask)[0] & ~(1 << smp_processor_id());
+ __u32 mask = cpus_addr(*callmask)[0] & ~(1 << smp_processor_id());
send_CPI(mask, VIC_CALL_FUNCTION_CPI);
}
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 90dfae511a4..c76ef1d701c 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -603,8 +603,6 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
si_code = SEGV_MAPERR;
- if (notify_page_fault(regs))
- return;
if (unlikely(kmmio_fault(regs, address)))
return;
@@ -634,6 +632,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
if (spurious_fault(address, error_code))
return;
+ /* kprobes don't want to hook the spurious faults. */
+ if (notify_page_fault(regs))
+ return;
/*
* Don't take the mm semaphore here. If we fixup a prefetch
* fault we could otherwise deadlock.
@@ -641,6 +642,9 @@ void __kprobes do_page_fault(struct pt_regs *regs, unsigned long error_code)
goto bad_area_nosemaphore;
}
+ /* kprobes don't want to hook the spurious faults. */
+ if (notify_page_fault(regs))
+ return;
/*
* It's safe to allow irq's after cr2 has been saved and the
diff --git a/arch/x86/xen/multicalls.h b/arch/x86/xen/multicalls.h
index 85893824161..fa3e10725d9 100644
--- a/arch/x86/xen/multicalls.h
+++ b/arch/x86/xen/multicalls.h
@@ -19,8 +19,10 @@ DECLARE_PER_CPU(unsigned long, xen_mc_irq_flags);
paired with xen_mc_issue() */
static inline void xen_mc_batch(void)
{
+ unsigned long flags;
/* need to disable interrupts until this entry is complete */
- local_irq_save(__get_cpu_var(xen_mc_irq_flags));
+ local_irq_save(flags);
+ __get_cpu_var(xen_mc_irq_flags) = flags;
}
static inline struct multicall_space xen_mc_entry(size_t args)