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-rw-r--r--arch/ia64/Kconfig4
-rw-r--r--arch/ia64/configs/tiger_defconfig2
-rw-r--r--arch/ia64/kernel/palinfo.c6
-rw-r--r--arch/ia64/kernel/process.c4
-rw-r--r--arch/ia64/kernel/salinfo.c6
-rw-r--r--arch/ia64/kernel/topology.c32
-rw-r--r--arch/ia64/mm/discontig.c57
-rw-r--r--arch/ia64/mm/fault.c36
-rw-r--r--arch/ia64/mm/init.c5
-rw-r--r--arch/ia64/sn/kernel/irq.c2
-rw-r--r--arch/ia64/sn/kernel/setup.c12
-rw-r--r--arch/ia64/sn/pci/tioca_provider.c2
12 files changed, 105 insertions, 63 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 1831874..a56df7b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -374,6 +374,10 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
def_bool y
depends on NEED_MULTIPLE_NODES
+config HAVE_ARCH_NODEDATA_EXTENSION
+ def_bool y
+ depends on NUMA
+
config IA32_SUPPORT
bool "Support for Linux/x86 binaries"
help
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 766bf49..9d1cffb 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -114,7 +114,7 @@ CONFIG_IA64_CYCLONE=y
CONFIG_IOSAPIC=y
CONFIG_FORCE_MAX_ZONEORDER=17
CONFIG_SMP=y
-CONFIG_NR_CPUS=4
+CONFIG_NR_CPUS=16
CONFIG_HOTPLUG_CPU=y
CONFIG_PERMIT_BSP_REMOVE=y
CONFIG_FORCE_CPEI_RETARGET=y
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 859fb37..8a12084 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -959,7 +959,7 @@ remove_palinfo_proc_entries(unsigned int hcpu)
}
}
-static int palinfo_cpu_callback(struct notifier_block *nfb,
+static int __cpuinit palinfo_cpu_callback(struct notifier_block *nfb,
unsigned long action,
void *hcpu)
{
@@ -978,7 +978,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb,
return NOTIFY_OK;
}
-static struct notifier_block palinfo_cpu_notifier =
+static struct notifier_block __cpuinitdata palinfo_cpu_notifier =
{
.notifier_call = palinfo_cpu_callback,
.priority = 0,
@@ -998,7 +998,7 @@ palinfo_init(void)
}
/* Register for future delivery via notify registration */
- register_cpu_notifier(&palinfo_cpu_notifier);
+ register_hotcpu_notifier(&palinfo_cpu_notifier);
return 0;
}
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 355d579..b045c27 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -272,9 +272,9 @@ cpu_idle (void)
/* endless idle loop with no priority at all */
while (1) {
if (can_do_pal_halt)
- clear_thread_flag(TIF_POLLING_NRFLAG);
+ current_thread_info()->status &= ~TS_POLLING;
else
- set_thread_flag(TIF_POLLING_NRFLAG);
+ current_thread_info()->status |= TS_POLLING;
if (!need_resched()) {
void (*idle)(void);
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 663a186..9065f0f 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -572,7 +572,7 @@ static struct file_operations salinfo_data_fops = {
};
#ifdef CONFIG_HOTPLUG_CPU
-static int
+static int __devinit
salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
{
unsigned int i, cpu = (unsigned long)hcpu;
@@ -673,9 +673,7 @@ salinfo_init(void)
salinfo_timer.function = &salinfo_timeout;
add_timer(&salinfo_timer);
-#ifdef CONFIG_HOTPLUG_CPU
- register_cpu_notifier(&salinfo_cpu_notifier);
-#endif
+ register_hotcpu_notifier(&salinfo_cpu_notifier);
return 0;
}
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 879edb5..5511d9c 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -26,19 +26,10 @@
#include <asm/numa.h>
#include <asm/cpu.h>
-#ifdef CONFIG_NUMA
-static struct node *sysfs_nodes;
-#endif
static struct ia64_cpu *sysfs_cpus;
int arch_register_cpu(int num)
{
- struct node *parent = NULL;
-
-#ifdef CONFIG_NUMA
- parent = &sysfs_nodes[cpu_to_node(num)];
-#endif /* CONFIG_NUMA */
-
#if defined (CONFIG_ACPI) && defined (CONFIG_HOTPLUG_CPU)
/*
* If CPEI cannot be re-targetted, and this is
@@ -48,21 +39,14 @@ int arch_register_cpu(int num)
sysfs_cpus[num].cpu.no_control = 1;
#endif
- return register_cpu(&sysfs_cpus[num].cpu, num, parent);
+ return register_cpu(&sysfs_cpus[num].cpu, num);
}
#ifdef CONFIG_HOTPLUG_CPU
void arch_unregister_cpu(int num)
{
- struct node *parent = NULL;
-
-#ifdef CONFIG_NUMA
- int node = cpu_to_node(num);
- parent = &sysfs_nodes[node];
-#endif /* CONFIG_NUMA */
-
- return unregister_cpu(&sysfs_cpus[num].cpu, parent);
+ return unregister_cpu(&sysfs_cpus[num].cpu);
}
EXPORT_SYMBOL(arch_register_cpu);
EXPORT_SYMBOL(arch_unregister_cpu);
@@ -74,17 +58,11 @@ static int __init topology_init(void)
int i, err = 0;
#ifdef CONFIG_NUMA
- sysfs_nodes = kzalloc(sizeof(struct node) * MAX_NUMNODES, GFP_KERNEL);
- if (!sysfs_nodes) {
- err = -ENOMEM;
- goto out;
- }
-
/*
* MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
*/
for_each_online_node(i) {
- if ((err = register_node(&sysfs_nodes[i], i, 0)))
+ if ((err = register_one_node(i)))
goto out;
}
#endif
@@ -426,7 +404,7 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
* When a cpu is hot-plugged, do a check and initiate
* cache kobject if necessary
*/
-static int cache_cpu_callback(struct notifier_block *nfb,
+static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int cpu = (unsigned long)hcpu;
@@ -444,7 +422,7 @@ static int cache_cpu_callback(struct notifier_block *nfb,
return NOTIFY_OK;
}
-static struct notifier_block cache_cpu_notifier =
+static struct notifier_block __cpuinitdata cache_cpu_notifier =
{
.notifier_call = cache_cpu_callback
};
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index b6bcc9f..525b082 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -33,7 +33,6 @@
*/
struct early_node_data {
struct ia64_node_data *node_data;
- pg_data_t *pgdat;
unsigned long pernode_addr;
unsigned long pernode_size;
struct bootmem_data bootmem_data;
@@ -46,6 +45,8 @@ struct early_node_data {
static struct early_node_data mem_data[MAX_NUMNODES] __initdata;
static nodemask_t memory_less_mask __initdata;
+static pg_data_t *pgdat_list[MAX_NUMNODES];
+
/*
* To prevent cache aliasing effects, align per-node structures so that they
* start at addresses that are strided by node number.
@@ -99,7 +100,7 @@ static int __init build_node_maps(unsigned long start, unsigned long len,
* acpi_boot_init() (which builds the node_to_cpu_mask array) hasn't been
* called yet. Note that node 0 will also count all non-existent cpus.
*/
-static int __init early_nr_cpus_node(int node)
+static int __meminit early_nr_cpus_node(int node)
{
int cpu, n = 0;
@@ -114,7 +115,7 @@ static int __init early_nr_cpus_node(int node)
* compute_pernodesize - compute size of pernode data
* @node: the node id.
*/
-static unsigned long __init compute_pernodesize(int node)
+static unsigned long __meminit compute_pernodesize(int node)
{
unsigned long pernodesize = 0, cpus;
@@ -175,13 +176,13 @@ static void __init fill_pernode(int node, unsigned long pernode,
pernode += PERCPU_PAGE_SIZE * cpus;
pernode += node * L1_CACHE_BYTES;
- mem_data[node].pgdat = __va(pernode);
+ pgdat_list[node] = __va(pernode);
pernode += L1_CACHE_ALIGN(sizeof(pg_data_t));
mem_data[node].node_data = __va(pernode);
pernode += L1_CACHE_ALIGN(sizeof(struct ia64_node_data));
- mem_data[node].pgdat->bdata = bdp;
+ pgdat_list[node]->bdata = bdp;
pernode += L1_CACHE_ALIGN(sizeof(pg_data_t));
cpu_data = per_cpu_node_setup(cpu_data, node);
@@ -268,7 +269,7 @@ static int __init find_pernode_space(unsigned long start, unsigned long len,
static int __init free_node_bootmem(unsigned long start, unsigned long len,
int node)
{
- free_bootmem_node(mem_data[node].pgdat, start, len);
+ free_bootmem_node(pgdat_list[node], start, len);
return 0;
}
@@ -287,7 +288,7 @@ static void __init reserve_pernode_space(void)
int node;
for_each_online_node(node) {
- pg_data_t *pdp = mem_data[node].pgdat;
+ pg_data_t *pdp = pgdat_list[node];
if (node_isset(node, memory_less_mask))
continue;
@@ -307,6 +308,17 @@ static void __init reserve_pernode_space(void)
}
}
+static void __meminit scatter_node_data(void)
+{
+ pg_data_t **dst;
+ int node;
+
+ for_each_online_node(node) {
+ dst = LOCAL_DATA_ADDR(pgdat_list[node])->pg_data_ptrs;
+ memcpy(dst, pgdat_list, sizeof(pgdat_list));
+ }
+}
+
/**
* initialize_pernode_data - fixup per-cpu & per-node pointers
*
@@ -317,17 +329,10 @@ static void __init reserve_pernode_space(void)
*/
static void __init initialize_pernode_data(void)
{
- pg_data_t *pgdat_list[MAX_NUMNODES];
int cpu, node;
- for_each_online_node(node)
- pgdat_list[node] = mem_data[node].pgdat;
+ scatter_node_data();
- /* Copy the pg_data_t list to each node and init the node field */
- for_each_online_node(node) {
- memcpy(mem_data[node].node_data->pg_data_ptrs, pgdat_list,
- sizeof(pgdat_list));
- }
#ifdef CONFIG_SMP
/* Set the node_data pointer for each per-cpu struct */
for (cpu = 0; cpu < NR_CPUS; cpu++) {
@@ -372,7 +377,7 @@ static void __init *memory_less_node_alloc(int nid, unsigned long pernodesize)
if (bestnode == -1)
bestnode = anynode;
- ptr = __alloc_bootmem_node(mem_data[bestnode].pgdat, pernodesize,
+ ptr = __alloc_bootmem_node(pgdat_list[bestnode], pernodesize,
PERCPU_PAGE_SIZE, __pa(MAX_DMA_ADDRESS));
return ptr;
@@ -476,7 +481,7 @@ void __init find_memory(void)
pernodesize = mem_data[node].pernode_size;
map = pernode + pernodesize;
- init_bootmem_node(mem_data[node].pgdat,
+ init_bootmem_node(pgdat_list[node],
map>>PAGE_SHIFT,
bdp->node_boot_start>>PAGE_SHIFT,
bdp->node_low_pfn);
@@ -786,3 +791,21 @@ void __init paging_init(void)
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
+
+pg_data_t *arch_alloc_nodedata(int nid)
+{
+ unsigned long size = compute_pernodesize(nid);
+
+ return kzalloc(size, GFP_KERNEL);
+}
+
+void arch_free_nodedata(pg_data_t *pgdat)
+{
+ kfree(pgdat);
+}
+
+void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
+{
+ pgdat_list[update_node] = update_pgdat;
+ scatter_node_data();
+}
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index d98ec49..14ef7cc 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -19,6 +19,40 @@
extern void die (char *, struct pt_regs *, long);
+#ifdef CONFIG_KPROBES
+ATOMIC_NOTIFIER_HEAD(notify_page_fault_chain);
+
+/* Hook to register for page fault notifications */
+int register_page_fault_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_register(&notify_page_fault_chain, nb);
+}
+
+int unregister_page_fault_notifier(struct notifier_block *nb)
+{
+ return atomic_notifier_chain_unregister(&notify_page_fault_chain, nb);
+}
+
+static inline int notify_page_fault(enum die_val val, const char *str,
+ struct pt_regs *regs, long err, int trap, int sig)
+{
+ struct die_args args = {
+ .regs = regs,
+ .str = str,
+ .err = err,
+ .trapnr = trap,
+ .signr = sig
+ };
+ return atomic_notifier_call_chain(&notify_page_fault_chain, val, &args);
+}
+#else
+static inline int notify_page_fault(enum die_val val, const char *str,
+ struct pt_regs *regs, long err, int trap, int sig)
+{
+ return NOTIFY_DONE;
+}
+#endif
+
/*
* Return TRUE if ADDRESS points at a page in the kernel's mapped segment
* (inside region 5, on ia64) and that page is present.
@@ -84,7 +118,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
/*
* This is to handle the kprobes on user space access instructions
*/
- if (notify_die(DIE_PAGE_FAULT, "page fault", regs, code, TRAP_BRKPT,
+ if (notify_page_fault(DIE_PAGE_FAULT, "page fault", regs, code, TRAP_BRKPT,
SIGSEGV) == NOTIFY_STOP)
return;
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 11f0800..38306e9 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -652,7 +652,7 @@ void online_page(struct page *page)
num_physpages++;
}
-int add_memory(u64 start, u64 size)
+int arch_add_memory(int nid, u64 start, u64 size)
{
pg_data_t *pgdat;
struct zone *zone;
@@ -660,7 +660,7 @@ int add_memory(u64 start, u64 size)
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
- pgdat = NODE_DATA(0);
+ pgdat = NODE_DATA(nid);
zone = pgdat->node_zones + ZONE_NORMAL;
ret = __add_pages(zone, start_pfn, nr_pages);
@@ -671,7 +671,6 @@ int add_memory(u64 start, u64 size)
return ret;
}
-EXPORT_SYMBOL_GPL(add_memory);
int remove_memory(u64 start, u64 size)
{
diff --git a/arch/ia64/sn/kernel/irq.c b/arch/ia64/sn/kernel/irq.c
index dc8e2b6..677c6c0 100644
--- a/arch/ia64/sn/kernel/irq.c
+++ b/arch/ia64/sn/kernel/irq.c
@@ -27,7 +27,7 @@ static void unregister_intr_pda(struct sn_irq_info *sn_irq_info);
int sn_force_interrupt_flag = 1;
extern int sn_ioif_inited;
struct list_head **sn_irq_lh;
-static spinlock_t sn_irq_info_lock = SPIN_LOCK_UNLOCKED; /* non-IRQ lock */
+static DEFINE_SPINLOCK(sn_irq_info_lock); /* non-IRQ lock */
u64 sn_intr_alloc(nasid_t local_nasid, int local_widget,
struct sn_irq_info *sn_irq_info,
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 93577ab..3bfccf3 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -458,7 +458,7 @@ void __init sn_setup(char **cmdline_p)
* support here so we don't have to listen to failed keyboard probe
* messages.
*/
- if (version <= 0x0209 && acpi_kbd_controller_present) {
+ if (is_shub1() && version <= 0x0209 && acpi_kbd_controller_present) {
printk(KERN_INFO "Disabling legacy keyboard support as prom "
"is too old and doesn't provide FADT\n");
acpi_kbd_controller_present = 0;
@@ -577,7 +577,8 @@ void __init sn_cpu_init(void)
int i;
static int wars_have_been_checked;
- if (smp_processor_id() == 0 && IS_MEDUSA()) {
+ cpuid = smp_processor_id();
+ if (cpuid == 0 && IS_MEDUSA()) {
if (ia64_sn_is_fake_prom())
sn_prom_type = 2;
else
@@ -597,6 +598,12 @@ void __init sn_cpu_init(void)
sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
/*
+ * Don't check status. The SAL call is not supported on all PROMs
+ * but a failure is harmless.
+ */
+ (void) ia64_sn_set_cpu_number(cpuid);
+
+ /*
* The boot cpu makes this call again after platform initialization is
* complete.
*/
@@ -607,7 +614,6 @@ void __init sn_cpu_init(void)
if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
break;
- cpuid = smp_processor_id();
cpuphyid = get_sapicid();
if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 20de727..e4aa839 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -595,7 +595,7 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *cont
/* sanity check prom rev */
- if (sn_sal_rev() < 0x0406) {
+ if (is_shub1() && sn_sal_rev() < 0x0406) {
printk
(KERN_ERR "%s: SGI prom rev 4.06 or greater required "
"for tioca support\n", __FUNCTION__);
generated by cgit v1.1 at 2025-08-22 01:46:43 +0000