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-rw-r--r--arch/ia64/Kconfig10
-rw-r--r--arch/ia64/hp/sim/simserial.c16
-rw-r--r--arch/ia64/include/asm/futex.h5
-rw-r--r--arch/ia64/include/asm/hugetlb.h1
-rw-r--r--arch/ia64/include/asm/irqflags.h1
-rw-r--r--arch/ia64/include/asm/mca.h1
-rw-r--r--arch/ia64/include/asm/numa.h5
-rw-r--r--arch/ia64/include/asm/thread_info.h2
-rw-r--r--arch/ia64/kernel/Makefile1
-rw-r--r--arch/ia64/kernel/cpufreq/Kconfig29
-rw-r--r--arch/ia64/kernel/cpufreq/Makefile2
-rw-r--r--arch/ia64/kernel/cpufreq/acpi-cpufreq.c437
-rw-r--r--arch/ia64/kernel/fsys.S49
-rw-r--r--arch/ia64/kernel/iosapic.c34
-rw-r--r--arch/ia64/kernel/irq.c8
-rw-r--r--arch/ia64/kernel/mca.c37
-rw-r--r--arch/ia64/kernel/mca_drv.c2
-rw-r--r--arch/ia64/kernel/palinfo.c77
-rw-r--r--arch/ia64/kernel/perfmon.c15
-rw-r--r--arch/ia64/kernel/process.c95
-rw-r--r--arch/ia64/kernel/setup.c1
-rw-r--r--arch/ia64/kernel/smpboot.c2
-rw-r--r--arch/ia64/kvm/vtlb.c2
-rw-r--r--arch/ia64/mm/contig.c2
-rw-r--r--arch/ia64/mm/discontig.c9
-rw-r--r--arch/ia64/mm/init.c23
-rw-r--r--arch/ia64/mm/ioremap.c14
-rw-r--r--arch/ia64/mm/numa.c20
-rw-r--r--arch/ia64/pci/pci.c11
-rw-r--r--arch/ia64/sn/kernel/tiocx.c5
30 files changed, 176 insertions, 740 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 33f3fdc0b214..e725ea01569e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -26,7 +26,7 @@ config IA64
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
- select HAVE_VIRT_TO_BUS
+ select VIRT_TO_BUS
select ARCH_DISCARD_MEMBLOCK
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP
@@ -187,7 +187,7 @@ config IA64_DIG
config IA64_DIG_VTD
bool "DIG+Intel+IOMMU"
- select DMAR
+ select INTEL_IOMMU
select PCI_MSI
config IA64_HP_ZX1
@@ -591,9 +591,9 @@ source "kernel/power/Kconfig"
source "drivers/acpi/Kconfig"
if PM
-
-source "arch/ia64/kernel/cpufreq/Kconfig"
-
+menu "CPU Frequency scaling"
+source "drivers/cpufreq/Kconfig"
+endmenu
endif
endmenu
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index da2f319fb71d..e70cadec7ce6 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -142,8 +142,7 @@ static void transmit_chars(struct tty_struct *tty, struct serial_state *info,
goto out;
}
- if (info->xmit.head == info->xmit.tail || tty->stopped ||
- tty->hw_stopped) {
+ if (info->xmit.head == info->xmit.tail || tty->stopped) {
#ifdef SIMSERIAL_DEBUG
printk("transmit_chars: head=%d, tail=%d, stopped=%d\n",
info->xmit.head, info->xmit.tail, tty->stopped);
@@ -181,7 +180,7 @@ static void rs_flush_chars(struct tty_struct *tty)
struct serial_state *info = tty->driver_data;
if (info->xmit.head == info->xmit.tail || tty->stopped ||
- tty->hw_stopped || !info->xmit.buf)
+ !info->xmit.buf)
return;
transmit_chars(tty, info, NULL);
@@ -217,7 +216,7 @@ static int rs_write(struct tty_struct * tty,
* Hey, we transmit directly from here in our case
*/
if (CIRC_CNT(info->xmit.head, info->xmit.tail, SERIAL_XMIT_SIZE) &&
- !tty->stopped && !tty->hw_stopped)
+ !tty->stopped)
transmit_chars(tty, info, NULL);
return ret;
@@ -325,14 +324,6 @@ static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
#define RELEVANT_IFLAG(iflag) (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK))
-static void rs_set_termios(struct tty_struct *tty, struct ktermios *old_termios)
-{
- /* Handle turning off CRTSCTS */
- if ((old_termios->c_cflag & CRTSCTS) &&
- !(tty->termios.c_cflag & CRTSCTS)) {
- tty->hw_stopped = 0;
- }
-}
/*
* This routine will shutdown a serial port; interrupts are disabled, and
* DTR is dropped if the hangup on close termio flag is on.
@@ -481,7 +472,6 @@ static const struct tty_operations hp_ops = {
.throttle = rs_throttle,
.unthrottle = rs_unthrottle,
.send_xchar = rs_send_xchar,
- .set_termios = rs_set_termios,
.hangup = rs_hangup,
.proc_fops = &rs_proc_fops,
};
diff --git a/arch/ia64/include/asm/futex.h b/arch/ia64/include/asm/futex.h
index d2bf1fd5e44f..76acbcd5c060 100644
--- a/arch/ia64/include/asm/futex.h
+++ b/arch/ia64/include/asm/futex.h
@@ -106,16 +106,15 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
return -EFAULT;
{
- register unsigned long r8 __asm ("r8");
+ register unsigned long r8 __asm ("r8") = 0;
unsigned long prev;
__asm__ __volatile__(
" mf;; \n"
- " mov %0=r0 \n"
" mov ar.ccv=%4;; \n"
"[1:] cmpxchg4.acq %1=[%2],%3,ar.ccv \n"
" .xdata4 \"__ex_table\", 1b-., 2f-. \n"
"[2:]"
- : "=r" (r8), "=r" (prev)
+ : "+r" (r8), "=&r" (prev)
: "r" (uaddr), "r" (newval),
"rO" ((long) (unsigned) oldval)
: "memory");
diff --git a/arch/ia64/include/asm/hugetlb.h b/arch/ia64/include/asm/hugetlb.h
index 94eaa5bd5d0c..aa910054b8e7 100644
--- a/arch/ia64/include/asm/hugetlb.h
+++ b/arch/ia64/include/asm/hugetlb.h
@@ -2,6 +2,7 @@
#define _ASM_IA64_HUGETLB_H
#include <asm/page.h>
+#include <asm-generic/hugetlb.h>
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
diff --git a/arch/ia64/include/asm/irqflags.h b/arch/ia64/include/asm/irqflags.h
index 2b68d856dc78..1bf2cf2f4ab4 100644
--- a/arch/ia64/include/asm/irqflags.h
+++ b/arch/ia64/include/asm/irqflags.h
@@ -89,6 +89,7 @@ static inline bool arch_irqs_disabled(void)
static inline void arch_safe_halt(void)
{
+ arch_local_irq_enable();
ia64_pal_halt_light(); /* PAL_HALT_LIGHT */
}
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h
index 43f96ab18fa0..8c7096168716 100644
--- a/arch/ia64/include/asm/mca.h
+++ b/arch/ia64/include/asm/mca.h
@@ -143,6 +143,7 @@ extern unsigned long __per_cpu_mca[NR_CPUS];
extern int cpe_vector;
extern int ia64_cpe_irq;
extern void ia64_mca_init(void);
+extern void ia64_mca_irq_init(void);
extern void ia64_mca_cpu_init(void *);
extern void ia64_os_mca_dispatch(void);
extern void ia64_os_mca_dispatch_end(void);
diff --git a/arch/ia64/include/asm/numa.h b/arch/ia64/include/asm/numa.h
index 2e27ef175652..2db0a6c6daa5 100644
--- a/arch/ia64/include/asm/numa.h
+++ b/arch/ia64/include/asm/numa.h
@@ -67,14 +67,13 @@ extern int paddr_to_nid(unsigned long paddr);
extern void map_cpu_to_node(int cpu, int nid);
extern void unmap_cpu_from_node(int cpu, int nid);
-
+extern void numa_clear_node(int cpu);
#else /* !CONFIG_NUMA */
#define map_cpu_to_node(cpu, nid) do{}while(0)
#define unmap_cpu_from_node(cpu, nid) do{}while(0)
-
#define paddr_to_nid(addr) 0
-
+#define numa_clear_node(cpu) do { } while (0)
#endif /* CONFIG_NUMA */
#endif /* _ASM_IA64_NUMA_H */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 020d655ed082..cade13dd0299 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -131,8 +131,6 @@ struct thread_info {
#define TS_POLLING 1 /* true if in idle loop and not sleeping */
#define TS_RESTORE_SIGMASK 2 /* restore signal mask in do_signal() */
-#define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING)
-
#ifndef __ASSEMBLY__
#define HAVE_SET_RESTORE_SIGMASK 1
static inline void set_restore_sigmask(void)
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index d959c84904be..20678a9ed11a 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -23,7 +23,6 @@ obj-$(CONFIG_SMP) += smp.o smpboot.o
obj-$(CONFIG_NUMA) += numa.o
obj-$(CONFIG_PERFMON) += perfmon_default_smpl.o
obj-$(CONFIG_IA64_CYCLONE) += cyclone.o
-obj-$(CONFIG_CPU_FREQ) += cpufreq/
obj-$(CONFIG_IA64_MCA_RECOVERY) += mca_recovery.o
obj-$(CONFIG_KPROBES) += kprobes.o jprobes.o
obj-$(CONFIG_DYNAMIC_FTRACE) += ftrace.o
diff --git a/arch/ia64/kernel/cpufreq/Kconfig b/arch/ia64/kernel/cpufreq/Kconfig
deleted file mode 100644
index 2d9d5279b981..000000000000
--- a/arch/ia64/kernel/cpufreq/Kconfig
+++ /dev/null
@@ -1,29 +0,0 @@
-
-#
-# CPU Frequency scaling
-#
-
-menu "CPU Frequency scaling"
-
-source "drivers/cpufreq/Kconfig"
-
-if CPU_FREQ
-
-comment "CPUFreq processor drivers"
-
-config IA64_ACPI_CPUFREQ
- tristate "ACPI Processor P-States driver"
- select CPU_FREQ_TABLE
- depends on ACPI_PROCESSOR
- help
- This driver adds a CPUFreq driver which utilizes the ACPI
- Processor Performance States.
-
- For details, take a look at <file:Documentation/cpu-freq/>.
-
- If in doubt, say N.
-
-endif # CPU_FREQ
-
-endmenu
-
diff --git a/arch/ia64/kernel/cpufreq/Makefile b/arch/ia64/kernel/cpufreq/Makefile
deleted file mode 100644
index 4838f2a57c7a..000000000000
--- a/arch/ia64/kernel/cpufreq/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-obj-$(CONFIG_IA64_ACPI_CPUFREQ) += acpi-cpufreq.o
-
diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
deleted file mode 100644
index f09b174244d5..000000000000
--- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c
+++ /dev/null
@@ -1,437 +0,0 @@
-/*
- * arch/ia64/kernel/cpufreq/acpi-cpufreq.c
- * This file provides the ACPI based P-state support. This
- * module works with generic cpufreq infrastructure. Most of
- * the code is based on i386 version
- * (arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c)
- *
- * Copyright (C) 2005 Intel Corp
- * Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/cpufreq.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pal.h>
-
-#include <linux/acpi.h>
-#include <acpi/processor.h>
-
-MODULE_AUTHOR("Venkatesh Pallipadi");
-MODULE_DESCRIPTION("ACPI Processor P-States Driver");
-MODULE_LICENSE("GPL");
-
-
-struct cpufreq_acpi_io {
- struct acpi_processor_performance acpi_data;
- struct cpufreq_frequency_table *freq_table;
- unsigned int resume;
-};
-
-static struct cpufreq_acpi_io *acpi_io_data[NR_CPUS];
-
-static struct cpufreq_driver acpi_cpufreq_driver;
-
-
-static int
-processor_set_pstate (
- u32 value)
-{
- s64 retval;
-
- pr_debug("processor_set_pstate\n");
-
- retval = ia64_pal_set_pstate((u64)value);
-
- if (retval) {
- pr_debug("Failed to set freq to 0x%x, with error 0x%lx\n",
- value, retval);
- return -ENODEV;
- }
- return (int)retval;
-}
-
-
-static int
-processor_get_pstate (
- u32 *value)
-{
- u64 pstate_index = 0;
- s64 retval;
-
- pr_debug("processor_get_pstate\n");
-
- retval = ia64_pal_get_pstate(&pstate_index,
- PAL_GET_PSTATE_TYPE_INSTANT);
- *value = (u32) pstate_index;
-
- if (retval)
- pr_debug("Failed to get current freq with "
- "error 0x%lx, idx 0x%x\n", retval, *value);
-
- return (int)retval;
-}
-
-
-/* To be used only after data->acpi_data is initialized */
-static unsigned
-extract_clock (
- struct cpufreq_acpi_io *data,
- unsigned value,
- unsigned int cpu)
-{
- unsigned long i;
-
- pr_debug("extract_clock\n");
-
- for (i = 0; i < data->acpi_data.state_count; i++) {
- if (value == data->acpi_data.states[i].status)
- return data->acpi_data.states[i].core_frequency;
- }
- return data->acpi_data.states[i-1].core_frequency;
-}
-
-
-static unsigned int
-processor_get_freq (
- struct cpufreq_acpi_io *data,
- unsigned int cpu)
-{
- int ret = 0;
- u32 value = 0;
- cpumask_t saved_mask;
- unsigned long clock_freq;
-
- pr_debug("processor_get_freq\n");
-
- saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
- if (smp_processor_id() != cpu)
- goto migrate_end;
-
- /* processor_get_pstate gets the instantaneous frequency */
- ret = processor_get_pstate(&value);
-
- if (ret) {
- set_cpus_allowed_ptr(current, &saved_mask);
- printk(KERN_WARNING "get performance failed with error %d\n",
- ret);
- ret = 0;
- goto migrate_end;
- }
- clock_freq = extract_clock(data, value, cpu);
- ret = (clock_freq*1000);
-
-migrate_end:
- set_cpus_allowed_ptr(current, &saved_mask);
- return ret;
-}
-
-
-static int
-processor_set_freq (
- struct cpufreq_acpi_io *data,
- unsigned int cpu,
- int state)
-{
- int ret = 0;
- u32 value = 0;
- struct cpufreq_freqs cpufreq_freqs;
- cpumask_t saved_mask;
- int retval;
-
- pr_debug("processor_set_freq\n");
-
- saved_mask = current->cpus_allowed;
- set_cpus_allowed_ptr(current, cpumask_of(cpu));
- if (smp_processor_id() != cpu) {
- retval = -EAGAIN;
- goto migrate_end;
- }
-
- if (state == data->acpi_data.state) {
- if (unlikely(data->resume)) {
- pr_debug("Called after resume, resetting to P%d\n", state);
- data->resume = 0;
- } else {
- pr_debug("Already at target state (P%d)\n", state);
- retval = 0;
- goto migrate_end;
- }
- }
-
- pr_debug("Transitioning from P%d to P%d\n",
- data->acpi_data.state, state);
-
- /* cpufreq frequency struct */
- cpufreq_freqs.cpu = cpu;
- cpufreq_freqs.old = data->freq_table[data->acpi_data.state].frequency;
- cpufreq_freqs.new = data->freq_table[state].frequency;
-
- /* notify cpufreq */
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
-
- /*
- * First we write the target state's 'control' value to the
- * control_register.
- */
-
- value = (u32) data->acpi_data.states[state].control;
-
- pr_debug("Transitioning to state: 0x%08x\n", value);
-
- ret = processor_set_pstate(value);
- if (ret) {
- unsigned int tmp = cpufreq_freqs.new;
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
- cpufreq_freqs.new = cpufreq_freqs.old;
- cpufreq_freqs.old = tmp;
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_PRECHANGE);
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
- printk(KERN_WARNING "Transition failed with error %d\n", ret);
- retval = -ENODEV;
- goto migrate_end;
- }
-
- cpufreq_notify_transition(&cpufreq_freqs, CPUFREQ_POSTCHANGE);
-
- data->acpi_data.state = state;
-
- retval = 0;
-
-migrate_end:
- set_cpus_allowed_ptr(current, &saved_mask);
- return (retval);
-}
-
-
-static unsigned int
-acpi_cpufreq_get (
- unsigned int cpu)
-{
- struct cpufreq_acpi_io *data = acpi_io_data[cpu];
-
- pr_debug("acpi_cpufreq_get\n");
-
- return processor_get_freq(data, cpu);
-}
-
-
-static int
-acpi_cpufreq_target (
- struct cpufreq_policy *policy,
- unsigned int target_freq,
- unsigned int relation)
-{
- struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
- unsigned int next_state = 0;
- unsigned int result = 0;
-
- pr_debug("acpi_cpufreq_setpolicy\n");
-
- result = cpufreq_frequency_table_target(policy,
- data->freq_table, target_freq, relation, &next_state);
- if (result)
- return (result);
-
- result = processor_set_freq(data, policy->cpu, next_state);
-
- return (result);
-}
-
-
-static int
-acpi_cpufreq_verify (
- struct cpufreq_policy *policy)
-{
- unsigned int result = 0;
- struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
-
- pr_debug("acpi_cpufreq_verify\n");
-
- result = cpufreq_frequency_table_verify(policy,
- data->freq_table);
-
- return (result);
-}
-
-
-static int
-acpi_cpufreq_cpu_init (
- struct cpufreq_policy *policy)
-{
- unsigned int i;
- unsigned int cpu = policy->cpu;
- struct cpufreq_acpi_io *data;
- unsigned int result = 0;
-
- pr_debug("acpi_cpufreq_cpu_init\n");
-
- data = kzalloc(sizeof(struct cpufreq_acpi_io), GFP_KERNEL);
- if (!data)
- return (-ENOMEM);
-
- acpi_io_data[cpu] = data;
-
- result = acpi_processor_register_performance(&data->acpi_data, cpu);
-
- if (result)
- goto err_free;
-
- /* capability check */
- if (data->acpi_data.state_count <= 1) {
- pr_debug("No P-States\n");
- result = -ENODEV;
- goto err_unreg;
- }
-
- if ((data->acpi_data.control_register.space_id !=
- ACPI_ADR_SPACE_FIXED_HARDWARE) ||
- (data->acpi_data.status_register.space_id !=
- ACPI_ADR_SPACE_FIXED_HARDWARE)) {
- pr_debug("Unsupported address space [%d, %d]\n",
- (u32) (data->acpi_data.control_register.space_id),
- (u32) (data->acpi_data.status_register.space_id));
- result = -ENODEV;
- goto err_unreg;
- }
-
- /* alloc freq_table */
- data->freq_table = kmalloc(sizeof(struct cpufreq_frequency_table) *
- (data->acpi_data.state_count + 1),
- GFP_KERNEL);
- if (!data->freq_table) {
- result = -ENOMEM;
- goto err_unreg;
- }
-
- /* detect transition latency */
- policy->cpuinfo.transition_latency = 0;
- for (i=0; i<data->acpi_data.state_count; i++) {
- if ((data->acpi_data.states[i].transition_latency * 1000) >
- policy->cpuinfo.transition_latency) {
- policy->cpuinfo.transition_latency =
- data->acpi_data.states[i].transition_latency * 1000;
- }
- }
- policy->cur = processor_get_freq(data, policy->cpu);
-
- /* table init */
- for (i = 0; i <= data->acpi_data.state_count; i++)
- {
- data->freq_table[i].index = i;
- if (i < data->acpi_data.state_count) {
- data->freq_table[i].frequency =
- data->acpi_data.states[i].core_frequency * 1000;
- } else {
- data->freq_table[i].frequency = CPUFREQ_TABLE_END;
- }
- }
-
- result = cpufreq_frequency_table_cpuinfo(policy, data->freq_table);
- if (result) {
- goto err_freqfree;
- }
-
- /* notify BIOS that we exist */
- acpi_processor_notify_smm(THIS_MODULE);
-
- printk(KERN_INFO "acpi-cpufreq: CPU%u - ACPI performance management "
- "activated.\n", cpu);
-
- for (i = 0; i < data->acpi_data.state_count; i++)
- pr_debug(" %cP%d: %d MHz, %d mW, %d uS, %d uS, 0x%x 0x%x\n",
- (i == data->acpi_data.state?'*':' '), i,
- (u32) data->acpi_data.states[i].core_frequency,
- (u32) data->acpi_data.states[i].power,
- (u32) data->acpi_data.states[i].transition_latency,
- (u32) data->acpi_data.states[i].bus_master_latency,
- (u32) data->acpi_data.states[i].status,
- (u32) data->acpi_data.states[i].control);
-
- cpufreq_frequency_table_get_attr(data->freq_table, policy->cpu);
-
- /* the first call to ->target() should result in us actually
- * writing something to the appropriate registers. */
- data->resume = 1;
-
- return (result);
-
- err_freqfree:
- kfree(data->freq_table);
- err_unreg:
- acpi_processor_unregister_performance(&data->acpi_data, cpu);
- err_free:
- kfree(data);
- acpi_io_data[cpu] = NULL;
-
- return (result);
-}
-
-
-static int
-acpi_cpufreq_cpu_exit (
- struct cpufreq_policy *policy)
-{
- struct cpufreq_acpi_io *data = acpi_io_data[policy->cpu];
-
- pr_debug("acpi_cpufreq_cpu_exit\n");
-
- if (data) {
- cpufreq_frequency_table_put_attr(policy->cpu);
- acpi_io_data[policy->cpu] = NULL;
- acpi_processor_unregister_performance(&data->acpi_data,
- policy->cpu);
- kfree(data);
- }
-
- return (0);
-}
-
-
-static struct freq_attr* acpi_cpufreq_attr[] = {
- &cpufreq_freq_attr_scaling_available_freqs,
- NULL,
-};
-
-
-static struct cpufreq_driver acpi_cpufreq_driver = {
- .verify = acpi_cpufreq_verify,
- .target = acpi_cpufreq_target,
- .get = acpi_cpufreq_get,
- .init = acpi_cpufreq_cpu_init,
- .exit = acpi_cpufreq_cpu_exit,
- .name = "acpi-cpufreq",
- .owner = THIS_MODULE,
- .attr = acpi_cpufreq_attr,
-};
-
-
-static int __init
-acpi_cpufreq_init (void)
-{
- pr_debug("acpi_cpufreq_init\n");
-
- return cpufreq_register_driver(&acpi_cpufreq_driver);
-}
-
-
-static void __exit
-acpi_cpufreq_exit (void)
-{
- pr_debug("acpi_cpufreq_exit\n");
-
- cpufreq_unregister_driver(&acpi_cpufreq_driver);
- return;
-}
-
-
-late_initcall(acpi_cpufreq_init);
-module_exit(acpi_cpufreq_exit);
-
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index c4cd45d97749..abc6dee3799c 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -90,53 +90,6 @@ ENTRY(fsys_getpid)
FSYS_RETURN
END(fsys_getpid)
-ENTRY(fsys_getppid)
- .prologue
- .altrp b6
- .body
- add r17=IA64_TASK_GROUP_LEADER_OFFSET,r16
- ;;
- ld8 r17=[r17] // r17 = current->group_leader
- add r9=TI_FLAGS+IA64_TASK_SIZE,r16
- ;;
-
- ld4 r9=[r9]
- add r17=IA64_TASK_REAL_PARENT_OFFSET,r17 // r17 = &current->group_leader->real_parent
- ;;
- and r9=TIF_ALLWORK_MASK,r9
-
-1: ld8 r18=[r17] // r18 = current->group_leader->real_parent
- ;;
- cmp.ne p8,p0=0,r9
- add r8=IA64_TASK_TGID_OFFSET,r18 // r8 = &current->group_leader->real_parent->tgid
- ;;
-
- /*
- * The .acq is needed to ensure that the read of tgid has returned its data before
- * we re-check "real_parent".
- */
- ld4.acq r8=[r8] // r8 = current->group_leader->real_parent->tgid
-#ifdef CONFIG_SMP
- /*
- * Re-read current->group_leader->real_parent.
- */
- ld8 r19=[r17] // r19 = current->group_leader->real_parent
-(p8) br.spnt.many fsys_fallback_syscall
- ;;
- cmp.ne p6,p0=r18,r19 // did real_parent change?
- mov r19=0 // i must not leak kernel bits...
-(p6) br.cond.spnt.few 1b // yes -> redo the read of tgid and the check
- ;;
- mov r17=0 // i must not leak kernel bits...
- mov r18=0 // i must not leak kernel bits...
-#else
- mov r17=0 // i must not leak kernel bits...
- mov r18=0 // i must not leak kernel bits...
- mov r19=0 // i must not leak kernel bits...
-#endif
- FSYS_RETURN
-END(fsys_getppid)
-
ENTRY(fsys_set_tid_address)
.prologue
.altrp b6
@@ -614,7 +567,7 @@ paravirt_fsyscall_table:
data8 0 // chown
data8 0 // lseek // 1040
data8 fsys_getpid // getpid
- data8 fsys_getppid // getppid
+ data8 0 // getppid
data8 0 // mount
data8 0 // umount
data8 0 // setuid // 1045
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index ee33c3aaa2fc..19f107be734e 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -76,7 +76,7 @@
* PCI pin -> global system interrupt (GSI) -> IA-64 vector <-> IRQ
*
* Note: The term "IRQ" is loosely used everywhere in Linux kernel to
- * describeinterrupts. Now we use "IRQ" only for Linux IRQ's. ISA IRQ
+ * describe interrupts. Now we use "IRQ" only for Linux IRQ's. ISA IRQ
* (isa_irq) is the only exception in this source code.
*/
@@ -1010,6 +1010,26 @@ iosapic_check_gsi_range (unsigned int gsi_base, unsigned int ver)
return 0;
}
+static int
+iosapic_delete_rte(unsigned int irq, unsigned int gsi)
+{
+ struct iosapic_rte_info *rte, *temp;
+
+ list_for_each_entry_safe(rte, temp, &iosapic_intr_info[irq].rtes,
+ rte_list) {
+ if (rte->iosapic->gsi_base + rte->rte_index == gsi) {
+ if (rte->refcnt)
+ return -EBUSY;
+
+ list_del(&rte->rte_list);
+ kfree(rte);
+ return 0;
+ }
+ }
+
+ return -EINVAL;
+}
+
int iosapic_init(unsigned long phys_addr, unsigned int gsi_base)
{
int num_rte, err, index;
@@ -1069,7 +1089,7 @@ int iosapic_init(unsigned long phys_addr, unsigned int gsi_base)
int iosapic_remove(unsigned int gsi_base)
{
- int index, err = 0;
+ int i, irq, index, err = 0;
unsigned long flags;
spin_lock_irqsave(&iosapic_lock, flags);
@@ -1087,6 +1107,16 @@ int iosapic_remove(unsigned int gsi_base)
goto out;
}
+ for (i = gsi_base; i < gsi_base + iosapic_lists[index].num_rte; i++) {
+ irq = __gsi_to_irq(i);
+ if (irq < 0)
+ continue;
+
+ err = iosapic_delete_rte(irq, i);
+ if (err)
+ goto out;
+ }
+
iounmap(iosapic_lists[index].addr);
iosapic_free(index);
out:
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index ad69606613eb..f2c418281130 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -23,6 +23,8 @@
#include <linux/interrupt.h>
#include <linux/kernel_stat.h>
+#include <asm/mca.h>
+
/*
* 'what should we do if we get a hw irq event on an illegal vector'.
* each architecture has to answer this themselves.
@@ -83,6 +85,12 @@ bool is_affinity_mask_valid(const struct cpumask *cpumask)
#endif /* CONFIG_SMP */
+int __init arch_early_irq_init(void)
+{
+ ia64_mca_irq_init();
+ return 0;
+}
+
#ifdef CONFIG_HOTPLUG_CPU
unsigned int vectors_in_migration[NR_IRQS];
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 65bf9cd39044..d7396dbb07bb 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -2074,22 +2074,16 @@ ia64_mca_init(void)
printk(KERN_INFO "MCA related initialization done\n");
}
+
/*
- * ia64_mca_late_init
- *
- * Opportunity to setup things that require initialization later
- * than ia64_mca_init. Setup a timer to poll for CPEs if the
- * platform doesn't support an interrupt driven mechanism.
- *
- * Inputs : None
- * Outputs : Status
+ * These pieces cannot be done in ia64_mca_init() because it is called before
+ * early_irq_init() which would wipe out our percpu irq registrations. But we
+ * cannot leave them until ia64_mca_late_init() because by then all the other
+ * processors have been brought online and have set their own CMC vectors to
+ * point at a non-existant action. Called from arch_early_irq_init().
*/
-static int __init
-ia64_mca_late_init(void)
+void __init ia64_mca_irq_init(void)
{
- if (!mca_init)
- return 0;
-
/*
* Configure the CMCI/P vector and handler. Interrupts for CMC are
* per-processor, so AP CMC interrupts are setup in smp_callin() (smpboot.c).
@@ -2108,6 +2102,23 @@ ia64_mca_late_init(void)
/* Setup the CPEI/P handler */
register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
#endif
+}
+
+/*
+ * ia64_mca_late_init
+ *
+ * Opportunity to setup things that require initialization later
+ * than ia64_mca_init. Setup a timer to poll for CPEs if the
+ * platform doesn't support an interrupt driven mechanism.
+ *
+ * Inputs : None
+ * Outputs : Status
+ */
+static int __init
+ia64_mca_late_init(void)
+{
+ if (!mca_init)
+ return 0;
register_hotcpu_notifier(&mca_cpu_notifier);
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 9392e021c93b..94f8bf777afa 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -349,7 +349,7 @@ init_record_index_pools(void)
/* - 3 - */
slidx_pool.max_idx = (rec_max_size/sect_min_size) * 2 + 1;
- slidx_pool.buffer = (slidx_list_t *)
+ slidx_pool.buffer =
kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
return slidx_pool.buffer ? 0 : -ENOMEM;
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 77597e5ea60a..79521d5499f9 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -849,17 +849,6 @@ static palinfo_entry_t palinfo_entries[]={
#define NR_PALINFO_ENTRIES (int) ARRAY_SIZE(palinfo_entries)
-/*
- * this array is used to keep track of the proc entries we create. This is
- * required in the module mode when we need to remove all entries. The procfs code
- * does not do recursion of deletion
- *
- * Notes:
- * - +1 accounts for the cpuN directory entry in /proc/pal
- */
-#define NR_PALINFO_PROC_ENTRIES (NR_CPUS*(NR_PALINFO_ENTRIES+1))
-
-static struct proc_dir_entry *palinfo_proc_entries[NR_PALINFO_PROC_ENTRIES];
static struct proc_dir_entry *palinfo_dir;
/*
@@ -971,60 +960,32 @@ palinfo_read_entry(char *page, char **start, off_t off, int count, int *eof, voi
static void __cpuinit
create_palinfo_proc_entries(unsigned int cpu)
{
-# define CPUSTR "cpu%d"
-
pal_func_cpu_u_t f;
- struct proc_dir_entry **pdir;
struct proc_dir_entry *cpu_dir;
int j;
- char cpustr[sizeof(CPUSTR)];
-
-
- /*
- * we keep track of created entries in a depth-first order for
- * cleanup purposes. Each entry is stored into palinfo_proc_entries
- */
- sprintf(cpustr,CPUSTR, cpu);
+ char cpustr[3+4+1]; /* cpu numbers are up to 4095 on itanic */
+ sprintf(cpustr, "cpu%d", cpu);
cpu_dir = proc_mkdir(cpustr, palinfo_dir);
+ if (!cpu_dir)
+ return;
f.req_cpu = cpu;
- /*
- * Compute the location to store per cpu entries
- * We dont store the top level entry in this list, but
- * remove it finally after removing all cpu entries.
- */
- pdir = &palinfo_proc_entries[cpu*(NR_PALINFO_ENTRIES+1)];
- *pdir++ = cpu_dir;
for (j=0; j < NR_PALINFO_ENTRIES; j++) {
f.func_id = j;
- *pdir = create_proc_read_entry(
- palinfo_entries[j].name, 0, cpu_dir,
- palinfo_read_entry, (void *)f.value);
- pdir++;
+ create_proc_read_entry(
+ palinfo_entries[j].name, 0, cpu_dir,
+ palinfo_read_entry, (void *)f.value);
}
}
static void
remove_palinfo_proc_entries(unsigned int hcpu)
{
- int j;
- struct proc_dir_entry *cpu_dir, **pdir;
-
- pdir = &palinfo_proc_entries[hcpu*(NR_PALINFO_ENTRIES+1)];
- cpu_dir = *pdir;
- *pdir++=NULL;
- for (j=0; j < (NR_PALINFO_ENTRIES); j++) {
- if ((*pdir)) {
- remove_proc_entry ((*pdir)->name, cpu_dir);
- *pdir ++= NULL;
- }
- }
-
- if (cpu_dir) {
- remove_proc_entry(cpu_dir->name, palinfo_dir);
- }
+ char cpustr[3+4+1]; /* cpu numbers are up to 4095 on itanic */
+ sprintf(cpustr, "cpu%d", hcpu);
+ remove_proc_subtree(cpustr, palinfo_dir);
}
static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
@@ -1058,6 +1019,8 @@ palinfo_init(void)
printk(KERN_INFO "PAL Information Facility v%s\n", PALINFO_VERSION);
palinfo_dir = proc_mkdir("pal", NULL);
+ if (!palinfo_dir)
+ return -ENOMEM;
/* Create palinfo dirs in /proc for all online cpus */
for_each_online_cpu(i) {
@@ -1073,22 +1036,8 @@ palinfo_init(void)
static void __exit
palinfo_exit(void)
{
- int i = 0;
-
- /* remove all nodes: depth first pass. Could optimize this */
- for_each_online_cpu(i) {
- remove_palinfo_proc_entries(i);
- }
-
- /*
- * Remove the top level entry finally
- */
- remove_proc_entry(palinfo_dir->name, NULL);
-
- /*
- * Unregister from cpu notifier callbacks
- */
unregister_hotcpu_notifier(&palinfo_cpu_notifier);
+ remove_proc_subtree("pal", NULL);
}
module_init(palinfo_init);
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 433f5e8a2cd1..9ea25fce06d5 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -42,6 +42,7 @@
#include <linux/completion.h>
#include <linux/tracehook.h>
#include <linux/slab.h>
+#include <linux/cpu.h>
#include <asm/errno.h>
#include <asm/intrinsics.h>
@@ -619,6 +620,7 @@ static struct file_system_type pfm_fs_type = {
.mount = pfmfs_mount,
.kill_sb = kill_anon_super,
};
+MODULE_ALIAS_FS("pfmfs");
DEFINE_PER_CPU(unsigned long, pfm_syst_info);
DEFINE_PER_CPU(struct task_struct *, pmu_owner);
@@ -1321,8 +1323,6 @@ out:
}
EXPORT_SYMBOL(pfm_unregister_buffer_fmt);
-extern void update_pal_halt_status(int);
-
static int
pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
{
@@ -1370,9 +1370,9 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
cpu));
/*
- * disable default_idle() to go to PAL_HALT
+ * Force idle() into poll mode
*/
- update_pal_halt_status(0);
+ cpu_idle_poll_ctrl(true);
UNLOCK_PFS(flags);
@@ -1429,11 +1429,8 @@ pfm_unreserve_session(pfm_context_t *ctx, int is_syswide, unsigned int cpu)
is_syswide,
cpu));
- /*
- * if possible, enable default_idle() to go into PAL_HALT
- */
- if (pfm_sessions.pfs_task_sessions == 0 && pfm_sessions.pfs_sys_sessions == 0)
- update_pal_halt_status(1);
+ /* Undo forced polling. Last session reenables pal_halt */
+ cpu_idle_poll_ctrl(false);
UNLOCK_PFS(flags);
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index e34f565f595a..55d4ba47a907 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -96,21 +96,13 @@ show_stack (struct task_struct *task, unsigned long *sp)
}
void
-dump_stack (void)
-{
- show_stack(NULL, NULL);
-}
-
-EXPORT_SYMBOL(dump_stack);
-
-void
show_regs (struct pt_regs *regs)
{
unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;
print_modules();
- printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
- smp_processor_id(), current->comm);
+ printk("\n");
+ show_regs_print_info(KERN_DEFAULT);
printk("psr : %016lx ifs : %016lx ip : [<%016lx>] %s (%s)\n",
regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
init_utsname()->release);
@@ -209,41 +201,13 @@ do_notify_resume_user(sigset_t *unused, struct sigscratch *scr, long in_syscall)
local_irq_disable(); /* force interrupt disable */
}
-static int pal_halt = 1;
-static int can_do_pal_halt = 1;
-
static int __init nohalt_setup(char * str)
{
- pal_halt = can_do_pal_halt = 0;
+ cpu_idle_poll_ctrl(true);
return 1;
}
__setup("nohalt", nohalt_setup);
-void
-update_pal_halt_status(int status)
-{
- can_do_pal_halt = pal_halt && status;
-}
-
-/*
- * We use this if we don't have any better idle routine..
- */
-void
-default_idle (void)
-{
- local_irq_enable();
- while (!need_resched()) {
- if (can_do_pal_halt) {
- local_irq_disable();
- if (!need_resched()) {
- safe_halt();
- }
- local_irq_enable();
- } else
- cpu_relax();
- }
-}
-
#ifdef CONFIG_HOTPLUG_CPU
/* We don't actually take CPU down, just spin without interrupts. */
static inline void play_dead(void)
@@ -270,50 +234,29 @@ static inline void play_dead(void)
}
#endif /* CONFIG_HOTPLUG_CPU */
-void __attribute__((noreturn))
-cpu_idle (void)
+void arch_cpu_idle_dead(void)
+{
+ play_dead();
+}
+
+void arch_cpu_idle(void)
{
void (*mark_idle)(int) = ia64_mark_idle;
- int cpu = smp_processor_id();
-
- /* endless idle loop with no priority at all */
- while (1) {
- rcu_idle_enter();
- if (can_do_pal_halt) {
- current_thread_info()->status &= ~TS_POLLING;
- /*
- * TS_POLLING-cleared state must be visible before we
- * test NEED_RESCHED:
- */
- smp_mb();
- } else {
- current_thread_info()->status |= TS_POLLING;
- }
- if (!need_resched()) {
- void (*idle)(void);
#ifdef CONFIG_SMP
- min_xtp();
+ min_xtp();
#endif
- rmb();
- if (mark_idle)
- (*mark_idle)(1);
-
- if (!idle)
- idle = default_idle;
- (*idle)();
- if (mark_idle)
- (*mark_idle)(0);
+ rmb();
+ if (mark_idle)
+ (*mark_idle)(1);
+
+ safe_halt();
+
+ if (mark_idle)
+ (*mark_idle)(0);
#ifdef CONFIG_SMP
- normal_xtp();
+ normal_xtp();
#endif
- }
- rcu_idle_exit();
- schedule_preempt_disabled();
- check_pgt_cache();
- if (cpu_is_offline(cpu))
- play_dead();
- }
}
void
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 2029cc0d2fc6..13bfdd22afc8 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -1063,6 +1063,7 @@ check_bugs (void)
static int __init run_dmi_scan(void)
{
dmi_scan_machine();
+ dmi_set_dump_stack_arch_desc();
return 0;
}
core_initcall(run_dmi_scan);
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 500f1e4d9f9d..8d87168d218d 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -455,7 +455,7 @@ start_secondary (void *unused)
preempt_disable();
smp_callin();
- cpu_idle();
+ cpu_startup_entry(CPUHP_ONLINE);
return 0;
}
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 4332f7ee5203..a7869f8f49a6 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -256,7 +256,7 @@ u64 guest_vhpt_lookup(u64 iha, u64 *pte)
"srlz.d;;"
"ssm psr.i;;"
"srlz.d;;"
- : "=r"(ret) : "r"(iha), "r"(pte):"memory");
+ : "=&r"(ret) : "r"(iha), "r"(pte) : "memory");
return ret;
}
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 80dab509dfb0..67c59ebec899 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -47,6 +47,8 @@ void show_mem(unsigned int filter)
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
printk(KERN_INFO "Node memory in pages:\n");
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
for_each_online_pgdat(pgdat) {
unsigned long present;
unsigned long flags;
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index c2e955ee79a8..ae4db4bd6d97 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -623,6 +623,8 @@ void show_mem(unsigned int filter)
printk(KERN_INFO "Mem-info:\n");
show_free_areas(filter);
+ if (filter & SHOW_MEM_FILTER_PAGE_COUNT)
+ return;
printk(KERN_INFO "Node memory in pages:\n");
for_each_online_pgdat(pgdat) {
unsigned long present;
@@ -817,13 +819,12 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
-int __meminit vmemmap_populate(struct page *start_page,
- unsigned long size, int node)
+int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
{
- return vmemmap_populate_basepages(start_page, size, node);
+ return vmemmap_populate_basepages(start, end, node);
}
-void vmemmap_free(struct page *memmap, unsigned long nr_pages)
+void vmemmap_free(unsigned long start, unsigned long end)
{
}
#endif
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 20bc967c7209..d1fe4b402601 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -154,25 +154,14 @@ ia64_init_addr_space (void)
void
free_initmem (void)
{
- unsigned long addr, eaddr;
-
- addr = (unsigned long) ia64_imva(__init_begin);
- eaddr = (unsigned long) ia64_imva(__init_end);
- while (addr < eaddr) {
- ClearPageReserved(virt_to_page(addr));
- init_page_count(virt_to_page(addr));
- free_page(addr);
- ++totalram_pages;
- addr += PAGE_SIZE;
- }
- printk(KERN_INFO "Freeing unused kernel memory: %ldkB freed\n",
- (__init_end - __init_begin) >> 10);
+ free_reserved_area((unsigned long)ia64_imva(__init_begin),
+ (unsigned long)ia64_imva(__init_end),
+ 0, "unused kernel");
}
void __init
free_initrd_mem (unsigned long start, unsigned long end)
{
- struct page *page;
/*
* EFI uses 4KB pages while the kernel can use 4KB or bigger.
* Thus EFI and the kernel may have different page sizes. It is
@@ -213,11 +202,7 @@ free_initrd_mem (unsigned long start, unsigned long end)
for (; start < end; start += PAGE_SIZE) {
if (!virt_addr_valid(start))
continue;
- page = virt_to_page(start);
- ClearPageReserved(page);
- init_page_count(page);
- free_page(start);
- ++totalram_pages;
+ free_reserved_page(virt_to_page(start));
}
}
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 3dccdd8eb275..43964cde6214 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -16,7 +16,7 @@
#include <asm/meminit.h>
static inline void __iomem *
-__ioremap (unsigned long phys_addr)
+__ioremap_uc(unsigned long phys_addr)
{
return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr);
}
@@ -24,7 +24,11 @@ __ioremap (unsigned long phys_addr)
void __iomem *
early_ioremap (unsigned long phys_addr, unsigned long size)
{
- return __ioremap(phys_addr);
+ u64 attr;
+ attr = kern_mem_attribute(phys_addr, size);
+ if (attr & EFI_MEMORY_WB)
+ return (void __iomem *) phys_to_virt(phys_addr);
+ return __ioremap_uc(phys_addr);
}
void __iomem *
@@ -47,7 +51,7 @@ ioremap (unsigned long phys_addr, unsigned long size)
if (attr & EFI_MEMORY_WB)
return (void __iomem *) phys_to_virt(phys_addr);
else if (attr & EFI_MEMORY_UC)
- return __ioremap(phys_addr);
+ return __ioremap_uc(phys_addr);
/*
* Some chipsets don't support UC access to memory. If
@@ -93,7 +97,7 @@ ioremap (unsigned long phys_addr, unsigned long size)
return (void __iomem *) (offset + (char __iomem *)addr);
}
- return __ioremap(phys_addr);
+ return __ioremap_uc(phys_addr);
}
EXPORT_SYMBOL(ioremap);
@@ -103,7 +107,7 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size)
if (kern_mem_attribute(phys_addr, size) & EFI_MEMORY_WB)
return NULL;
- return __ioremap(phys_addr);
+ return __ioremap_uc(phys_addr);
}
EXPORT_SYMBOL(ioremap_nocache);
diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c
index 3efea7d0a351..4248492b9321 100644
--- a/arch/ia64/mm/numa.c
+++ b/arch/ia64/mm/numa.c
@@ -61,18 +61,36 @@ paddr_to_nid(unsigned long paddr)
int __meminit __early_pfn_to_nid(unsigned long pfn)
{
int i, section = pfn >> PFN_SECTION_SHIFT, ssec, esec;
+ /*
+ * NOTE: The following SMP-unsafe globals are only used early in boot
+ * when the kernel is running single-threaded.
+ */
+ static int __meminitdata last_ssec, last_esec;
+ static int __meminitdata last_nid;
+
+ if (section >= last_ssec && section < last_esec)
+ return last_nid;
for (i = 0; i < num_node_memblks; i++) {
ssec = node_memblk[i].start_paddr >> PA_SECTION_SHIFT;
esec = (node_memblk[i].start_paddr + node_memblk[i].size +
((1L << PA_SECTION_SHIFT) - 1)) >> PA_SECTION_SHIFT;
- if (section >= ssec && section < esec)
+ if (section >= ssec && section < esec) {
+ last_ssec = ssec;
+ last_esec = esec;
+ last_nid = node_memblk[i].nid;
return node_memblk[i].nid;
+ }
}
return -1;
}
+void __cpuinit numa_clear_node(int cpu)
+{
+ unmap_cpu_from_node(cpu, NUMA_NO_NODE);
+}
+
#ifdef CONFIG_MEMORY_HOTPLUG
/*
* SRAT information is stored in node_memblk[], then we can use SRAT
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 60532ab27346..de1474ff0bc5 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -15,6 +15,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/pci-acpi.h>
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/slab.h>
@@ -458,6 +459,16 @@ void pcibios_fixup_bus(struct pci_bus *b)
platform_pci_fixup_bus(b);
}
+void pcibios_add_bus(struct pci_bus *bus)
+{
+ acpi_pci_add_bus(bus);
+}
+
+void pcibios_remove_bus(struct pci_bus *bus)
+{
+ acpi_pci_remove_bus(bus);
+}
+
void pcibios_set_master (struct pci_dev *dev)
{
/* No special bus mastering setup handling */
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c
index 14c1711238c0..e35f6485c1fd 100644
--- a/arch/ia64/sn/kernel/tiocx.c
+++ b/arch/ia64/sn/kernel/tiocx.c
@@ -490,11 +490,14 @@ static int __init tiocx_init(void)
{
cnodeid_t cnodeid;
int found_tiocx_device = 0;
+ int err;
if (!ia64_platform_is("sn2"))
return 0;
- bus_register(&tiocx_bus_type);
+ err = bus_register(&tiocx_bus_type);
+ if (err)
+ return err;
for (cnodeid = 0; cnodeid < num_cnodes; cnodeid++) {
nasid_t nasid;