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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 18:46:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 18:46:12 -0700
commitd3d52d687a770973b459d8a92ec1adbba3f60c4b (patch)
tree94318a62f25b970d604e29a9b8554afe82932d16
parentd17abcd5417d84cfa8a225160481203a37dc81d4 (diff)
parented223129a30de7d244ca9b59819f5532c9caf039 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6: sparc64: Fix reset hangs on Niagara systems. cpumask: use mm_cpumask() wrapper: sparc cpumask: remove dangerous CPU_MASK_ALL_PTR, &CPU_MASK_ALL.: sparc cpumask: remove the now-obsoleted pcibus_to_cpumask(): sparc cpumask: remove cpu_coregroup_map: sparc cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: sparc cpumask: prepare for iterators to only go to nr_cpu_ids/nr_cpumask_bits.: sparc64 cpumask: Use accessors code.: sparc64 cpumask: Use accessors code: sparc cpumask: arch_send_call_function_ipi_mask: sparc cpumask: Use smp_call_function_many(): sparc64
-rw-r--r--arch/sparc/include/asm/mmu_context_64.h8
-rw-r--r--arch/sparc/include/asm/smp_64.h3
-rw-r--r--arch/sparc/include/asm/system_32.h2
-rw-r--r--arch/sparc/include/asm/topology_64.h7
-rw-r--r--arch/sparc/kernel/ds.c2
-rw-r--r--arch/sparc/kernel/irq_64.c4
-rw-r--r--arch/sparc/kernel/mdesc.c2
-rw-r--r--arch/sparc/kernel/nmi.c23
-rw-r--r--arch/sparc/kernel/prom_64.c4
-rw-r--r--arch/sparc/kernel/smp_32.c36
-rw-r--r--arch/sparc/kernel/smp_64.c14
-rw-r--r--arch/sparc/kernel/sun4d_smp.c11
-rw-r--r--arch/sparc/kernel/sun4m_smp.c10
-rw-r--r--arch/sparc/mm/init_64.c2
-rw-r--r--arch/sparc/mm/srmmu.c2
15 files changed, 72 insertions, 58 deletions
diff --git a/arch/sparc/include/asm/mmu_context_64.h b/arch/sparc/include/asm/mmu_context_64.h
index 5693ab482606..666a73fef28d 100644
--- a/arch/sparc/include/asm/mmu_context_64.h
+++ b/arch/sparc/include/asm/mmu_context_64.h
@@ -121,8 +121,8 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
* local TLB.
*/
cpu = smp_processor_id();
- if (!ctx_valid || !cpu_isset(cpu, mm->cpu_vm_mask)) {
- cpu_set(cpu, mm->cpu_vm_mask);
+ if (!ctx_valid || !cpumask_test_cpu(cpu, mm_cpumask(mm))) {
+ cpumask_set_cpu(cpu, mm_cpumask(mm));
__flush_tlb_mm(CTX_HWBITS(mm->context),
SECONDARY_CONTEXT);
}
@@ -141,8 +141,8 @@ static inline void activate_mm(struct mm_struct *active_mm, struct mm_struct *mm
if (!CTX_VALID(mm->context))
get_new_mmu_context(mm);
cpu = smp_processor_id();
- if (!cpu_isset(cpu, mm->cpu_vm_mask))
- cpu_set(cpu, mm->cpu_vm_mask);
+ if (!cpumask_test_cpu(cpu, mm_cpumask(mm)))
+ cpumask_set_cpu(cpu, mm_cpumask(mm));
load_secondary_context(mm);
__flush_tlb_mm(CTX_HWBITS(mm->context), SECONDARY_CONTEXT);
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index 57224dd37b3a..becb6bf353a9 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -35,7 +35,8 @@ extern cpumask_t cpu_core_map[NR_CPUS];
extern int sparc64_multi_core;
extern void arch_send_call_function_single_ipi(int cpu);
-extern void arch_send_call_function_ipi(cpumask_t mask);
+extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
+#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
/*
* General functions that each host system must provide.
diff --git a/arch/sparc/include/asm/system_32.h b/arch/sparc/include/asm/system_32.h
index 79c1ae2b42a3..751c8c17f5a0 100644
--- a/arch/sparc/include/asm/system_32.h
+++ b/arch/sparc/include/asm/system_32.h
@@ -126,7 +126,7 @@ extern void flushw_all(void);
#define switch_to(prev, next, last) do { \
SWITCH_ENTER(prev); \
SWITCH_DO_LAZY_FPU(next); \
- cpu_set(smp_processor_id(), next->active_mm->cpu_vm_mask); \
+ cpumask_set_cpu(smp_processor_id(), mm_cpumask(next->active_mm)); \
__asm__ __volatile__( \
"sethi %%hi(here - 0x8), %%o7\n\t" \
"mov %%g6, %%g3\n\t" \
diff --git a/arch/sparc/include/asm/topology_64.h b/arch/sparc/include/asm/topology_64.h
index 2770f64fdc3b..e5ea8d332421 100644
--- a/arch/sparc/include/asm/topology_64.h
+++ b/arch/sparc/include/asm/topology_64.h
@@ -38,13 +38,9 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
}
#endif
-#define pcibus_to_cpumask(bus) \
- (pcibus_to_node(bus) == -1 ? \
- CPU_MASK_ALL : \
- node_to_cpumask(pcibus_to_node(bus)))
#define cpumask_of_pcibus(bus) \
(pcibus_to_node(bus) == -1 ? \
- CPU_MASK_ALL_PTR : \
+ cpu_all_mask : \
cpumask_of_node(pcibus_to_node(bus)))
#define SD_NODE_INIT (struct sched_domain) { \
@@ -84,7 +80,6 @@ static inline int pcibus_to_node(struct pci_bus *pbus)
#define smt_capable() (sparc64_multi_core)
#endif /* CONFIG_SMP */
-#define cpu_coregroup_map(cpu) (cpu_core_map[cpu])
#define cpu_coregroup_mask(cpu) (&cpu_core_map[cpu])
#endif /* _ASM_SPARC64_TOPOLOGY_H */
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 57c39843fb2a..90350f838f05 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -653,7 +653,7 @@ static void __cpuinit dr_cpu_data(struct ds_info *dp,
if (cpu_list[i] == CPU_SENTINEL)
continue;
- if (cpu_list[i] < NR_CPUS)
+ if (cpu_list[i] < nr_cpu_ids)
cpu_set(cpu_list[i], mask);
}
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index d0d6a515499a..5deabe921a47 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -266,12 +266,12 @@ static int irq_choose_cpu(unsigned int virt_irq)
spin_lock_irqsave(&irq_rover_lock, flags);
while (!cpu_online(irq_rover)) {
- if (++irq_rover >= NR_CPUS)
+ if (++irq_rover >= nr_cpu_ids)
irq_rover = 0;
}
cpuid = irq_rover;
do {
- if (++irq_rover >= NR_CPUS)
+ if (++irq_rover >= nr_cpu_ids)
irq_rover = 0;
} while (!cpu_online(irq_rover));
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 3f79f0c23a08..f0e6ed23a468 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -567,7 +567,7 @@ static void __init report_platform_properties(void)
max_cpu = NR_CPUS;
}
for (i = 0; i < max_cpu; i++)
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
}
#endif
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index f3577223c863..2c0cc72d295b 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -13,6 +13,7 @@
#include <linux/module.h>
#include <linux/kprobes.h>
#include <linux/kernel_stat.h>
+#include <linux/reboot.h>
#include <linux/slab.h>
#include <linux/kdebug.h>
#include <linux/delay.h>
@@ -206,13 +207,33 @@ void nmi_adjust_hz(unsigned int new_hz)
}
EXPORT_SYMBOL_GPL(nmi_adjust_hz);
+static int nmi_shutdown(struct notifier_block *nb, unsigned long cmd, void *p)
+{
+ on_each_cpu(stop_watchdog, NULL, 1);
+ return 0;
+}
+
+static struct notifier_block nmi_reboot_notifier = {
+ .notifier_call = nmi_shutdown,
+};
+
int __init nmi_init(void)
{
+ int err;
+
nmi_usable = 1;
on_each_cpu(start_watchdog, NULL, 1);
- return check_nmi_watchdog();
+ err = check_nmi_watchdog();
+ if (!err) {
+ err = register_reboot_notifier(&nmi_reboot_notifier);
+ if (err) {
+ nmi_usable = 0;
+ on_each_cpu(stop_watchdog, NULL, 1);
+ }
+ }
+ return err;
}
static int __init setup_nmi_watchdog(char *str)
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index edecca7b8116..ca55c7012f77 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -518,8 +518,8 @@ void __init of_fill_in_cpu_data(void)
}
#ifdef CONFIG_SMP
- cpu_set(cpuid, cpu_present_map);
- cpu_set(cpuid, cpu_possible_map);
+ set_cpu_present(cpuid, true);
+ set_cpu_possible(cpuid, true);
#endif
}
diff --git a/arch/sparc/kernel/smp_32.c b/arch/sparc/kernel/smp_32.c
index 1e5ac4e282e1..132d81fb2616 100644
--- a/arch/sparc/kernel/smp_32.c
+++ b/arch/sparc/kernel/smp_32.c
@@ -70,13 +70,12 @@ void __init smp_cpus_done(unsigned int max_cpus)
extern void smp4m_smp_done(void);
extern void smp4d_smp_done(void);
unsigned long bogosum = 0;
- int cpu, num;
+ int cpu, num = 0;
- for (cpu = 0, num = 0; cpu < NR_CPUS; cpu++)
- if (cpu_online(cpu)) {
- num++;
- bogosum += cpu_data(cpu).udelay_val;
- }
+ for_each_online_cpu(cpu) {
+ num++;
+ bogosum += cpu_data(cpu).udelay_val;
+ }
printk("Total of %d processors activated (%lu.%02lu BogoMIPS).\n",
num, bogosum/(500000/HZ),
@@ -144,7 +143,7 @@ void smp_flush_tlb_all(void)
void smp_flush_cache_mm(struct mm_struct *mm)
{
if(mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc1((smpfunc_t) BTFIXUP_CALL(local_flush_cache_mm), (unsigned long) mm);
@@ -155,12 +154,13 @@ void smp_flush_cache_mm(struct mm_struct *mm)
void smp_flush_tlb_mm(struct mm_struct *mm)
{
if(mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask)) {
xc1((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_mm), (unsigned long) mm);
if(atomic_read(&mm->mm_users) == 1 && current->active_mm == mm)
- mm->cpu_vm_mask = cpumask_of_cpu(smp_processor_id());
+ cpumask_copy(mm_cpumask(mm),
+ cpumask_of(smp_processor_id()));
}
local_flush_tlb_mm(mm);
}
@@ -172,7 +172,7 @@ void smp_flush_cache_range(struct vm_area_struct *vma, unsigned long start,
struct mm_struct *mm = vma->vm_mm;
if (mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc3((smpfunc_t) BTFIXUP_CALL(local_flush_cache_range), (unsigned long) vma, start, end);
@@ -186,7 +186,7 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
struct mm_struct *mm = vma->vm_mm;
if (mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc3((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_range), (unsigned long) vma, start, end);
@@ -199,7 +199,7 @@ void smp_flush_cache_page(struct vm_area_struct *vma, unsigned long page)
struct mm_struct *mm = vma->vm_mm;
if(mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc2((smpfunc_t) BTFIXUP_CALL(local_flush_cache_page), (unsigned long) vma, page);
@@ -212,7 +212,7 @@ void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
struct mm_struct *mm = vma->vm_mm;
if(mm->context != NO_CONTEXT) {
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc2((smpfunc_t) BTFIXUP_CALL(local_flush_tlb_page), (unsigned long) vma, page);
@@ -241,7 +241,7 @@ void smp_flush_page_to_ram(unsigned long page)
void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr)
{
- cpumask_t cpu_mask = mm->cpu_vm_mask;
+ cpumask_t cpu_mask = *mm_cpumask(mm);
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc2((smpfunc_t) BTFIXUP_CALL(local_flush_sig_insns), (unsigned long) mm, insn_addr);
@@ -332,8 +332,8 @@ void __init smp_setup_cpu_possible_map(void)
instance = 0;
while (!cpu_find_by_instance(instance, NULL, &mid)) {
if (mid < NR_CPUS) {
- cpu_set(mid, cpu_possible_map);
- cpu_set(mid, cpu_present_map);
+ set_cpu_possible(mid, true);
+ set_cpu_present(mid, true);
}
instance++;
}
@@ -351,8 +351,8 @@ void __init smp_prepare_boot_cpu(void)
printk("boot cpu id != 0, this could work but is untested\n");
current_thread_info()->cpu = cpuid;
- cpu_set(cpuid, cpu_online_map);
- cpu_set(cpuid, cpu_possible_map);
+ set_cpu_online(cpuid, true);
+ set_cpu_possible(cpuid, true);
}
int __cpuinit __cpu_up(unsigned int cpu)
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index 79457f682b5a..708e12a26b05 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -808,9 +808,9 @@ static void smp_start_sync_tick_client(int cpu)
extern unsigned long xcall_call_function;
-void arch_send_call_function_ipi(cpumask_t mask)
+void arch_send_call_function_ipi_mask(const struct cpumask *mask)
{
- xcall_deliver((u64) &xcall_call_function, 0, 0, &mask);
+ xcall_deliver((u64) &xcall_call_function, 0, 0, mask);
}
extern unsigned long xcall_call_function_single;
@@ -850,7 +850,7 @@ static void tsb_sync(void *info)
void smp_tsb_sync(struct mm_struct *mm)
{
- smp_call_function_mask(mm->cpu_vm_mask, tsb_sync, mm, 1);
+ smp_call_function_many(mm_cpumask(mm), tsb_sync, mm, 1);
}
extern unsigned long xcall_flush_tlb_mm;
@@ -1055,13 +1055,13 @@ void smp_flush_tlb_mm(struct mm_struct *mm)
int cpu = get_cpu();
if (atomic_read(&mm->mm_users) == 1) {
- mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+ cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
goto local_flush_and_out;
}
smp_cross_call_masked(&xcall_flush_tlb_mm,
ctx, 0, 0,
- &mm->cpu_vm_mask);
+ mm_cpumask(mm));
local_flush_and_out:
__flush_tlb_mm(ctx, SECONDARY_CONTEXT);
@@ -1075,11 +1075,11 @@ void smp_flush_tlb_pending(struct mm_struct *mm, unsigned long nr, unsigned long
int cpu = get_cpu();
if (mm == current->mm && atomic_read(&mm->mm_users) == 1)
- mm->cpu_vm_mask = cpumask_of_cpu(cpu);
+ cpumask_copy(mm_cpumask(mm), cpumask_of(cpu));
else
smp_cross_call_masked(&xcall_flush_tlb_pending,
ctx, nr, (unsigned long) vaddrs,
- &mm->cpu_vm_mask);
+ mm_cpumask(mm));
__flush_tlb_pending(ctx, nr, vaddrs);
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 50afaed99c8a..54fb02468f0d 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -150,7 +150,7 @@ void __cpuinit smp4d_callin(void)
spin_lock_irqsave(&sun4d_imsk_lock, flags);
cc_set_imsk(cc_get_imsk() & ~0x4000); /* Allow PIL 14 as well */
spin_unlock_irqrestore(&sun4d_imsk_lock, flags);
- cpu_set(cpuid, cpu_online_map);
+ set_cpu_online(cpuid, true);
}
@@ -228,11 +228,10 @@ void __init smp4d_smp_done(void)
/* setup cpu list for irq rotation */
first = 0;
prev = &first;
- for (i = 0; i < NR_CPUS; i++)
- if (cpu_online(i)) {
- *prev = i;
- prev = &cpu_data(i).next;
- }
+ for_each_online_cpu(i) {
+ *prev = i;
+ prev = &cpu_data(i).next;
+ }
*prev = first;
local_flush_cache_all();
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 8040376c4890..960b113d0006 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -113,7 +113,7 @@ void __cpuinit smp4m_callin(void)
local_irq_enable();
- cpu_set(cpuid, cpu_online_map);
+ set_cpu_online(cpuid, true);
}
/*
@@ -186,11 +186,9 @@ void __init smp4m_smp_done(void)
/* setup cpu list for irq rotation */
first = 0;
prev = &first;
- for (i = 0; i < NR_CPUS; i++) {
- if (cpu_online(i)) {
- *prev = i;
- prev = &cpu_data(i).next;
- }
+ for_each_online_cpu(i) {
+ *prev = i;
+ prev = &cpu_data(i).next;
}
*prev = first;
local_flush_cache_all();
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 00373ce2d8fb..2c8dfeb7ab04 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1092,7 +1092,7 @@ static void __init numa_parse_mdesc_group_cpus(struct mdesc_handle *md,
if (strcmp(name, "cpu"))
continue;
id = mdesc_get_property(md, target, "id", NULL);
- if (*id < NR_CPUS)
+ if (*id < nr_cpu_ids)
cpu_set(*id, *mask);
}
}
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index fe7ed08390bb..06c9a7d98206 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -1425,7 +1425,7 @@ static void __init init_vac_layout(void)
min_line_size = vac_line_size;
//FIXME: cpus not contiguous!!
cpu++;
- if (cpu >= NR_CPUS || !cpu_online(cpu))
+ if (cpu >= nr_cpu_ids || !cpu_online(cpu))
break;
#else
break;

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