Commit-ID: abba1bfad3127c6d2963bf44018b3d42c6acb2f0
Gitweb: http://git.kernel.org/tip/abba1bfad3127c6d2963bf44018b3d42c6acb2f0
Author: "Rusty Russell" <rusty@xxxxxxxxxxxxxxx>
AuthorDate: Thu, 12 Mar 2009 14:45:53 +1030
Commit: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
CommitDate: Thu, 12 Mar 2009 14:45:53 +1030
cpumask: use new cpumask functions throughout x86
Impact: cleanup
1) &cpu_online_map -> cpu_online_mask
2) first_cpu/next_cpu_nr -> cpumask_first/cpumask_next
3) cpu_*_map manipulation -> init_cpu_* / set_cpu_*
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
---
arch/x86/include/asm/topology.h | 4 ++--
arch/x86/kernel/apic/bigsmp_32.c | 16 ++++++++--------
arch/x86/kernel/apic/es7000_32.c | 6 +++---
arch/x86/kernel/apic/summit_32.c | 2 +-
arch/x86/kernel/cpu/mcheck/mce_intel_64.c | 2 +-
arch/x86/kernel/cpu/proc.c | 4 ++--
arch/x86/kernel/process.c | 2 +-
arch/x86/kernel/smpboot.c | 11 +++++------
arch/x86/xen/smp.c | 6 +++---
9 files changed, 26 insertions(+), 27 deletions(-)
diff --git a/arch/x86/include/asm/topology.h b/arch/x86/include/asm/topology.h
index f8b833e..1ce1e1a 100644
--- a/arch/x86/include/asm/topology.h
+++ b/arch/x86/include/asm/topology.h
@@ -174,11 +174,11 @@ static inline int early_cpu_to_node(int cpu)
static inline const cpumask_t *cpumask_of_node(int node)
{
- return &cpu_online_map;
+ return cpu_online_mask;
}
static inline int node_to_first_cpu(int node)
{
- return first_cpu(cpu_online_map);
+ return cpumask_first(cpu_online_mask);
}
static inline void setup_node_to_cpumask_map(void) { }
diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c
index d806eca..676cdac 100644
--- a/arch/x86/kernel/apic/bigsmp_32.c
+++ b/arch/x86/kernel/apic/bigsmp_32.c
@@ -26,12 +26,12 @@ static int bigsmp_apic_id_registered(void)
return 1;
}
-static const cpumask_t *bigsmp_target_cpus(void)
+static const struct cpumask *bigsmp_target_cpus(void)
{
#ifdef CONFIG_SMP
- return &cpu_online_map;
+ return cpu_online_mask;
#else
- return &cpumask_of_cpu(0);
+ return cpumask_of(0);
#endif
}
@@ -118,9 +118,9 @@ static int bigsmp_check_phys_apicid_present(int boot_cpu_physical_apicid)
}
/* As we are using single CPU as destination, pick only one CPU here */
-static unsigned int bigsmp_cpu_mask_to_apicid(const cpumask_t *cpumask)
+static unsigned int bigsmp_cpu_mask_to_apicid(const struct cpumask *cpumask)
{
- return bigsmp_cpu_to_logical_apicid(first_cpu(*cpumask));
+ return bigsmp_cpu_to_logical_apicid(cpumask_first(cpumask));
}
static unsigned int bigsmp_cpu_mask_to_apicid_and(const struct cpumask *cpumask,
@@ -188,10 +188,10 @@ static const struct dmi_system_id bigsmp_dmi_table[] = {
{ } /* NULL entry stops DMI scanning */
};
-static void bigsmp_vector_allocation_domain(int cpu, cpumask_t *retmask)
+static void bigsmp_vector_allocation_domain(int cpu, struct cpumask *retmask)
{
- cpus_clear(*retmask);
- cpu_set(cpu, *retmask);
+ cpumask_clear(retmask);
+ cpumask_set_cpu(cpu, retmask);
}
static int probe_bigsmp(void)
diff --git a/arch/x86/kernel/apic/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c
index 1322f54..26d3a3e 100644
--- a/arch/x86/kernel/apic/es7000_32.c
+++ b/arch/x86/kernel/apic/es7000_32.c
@@ -460,9 +460,9 @@ static const cpumask_t *target_cpus_cluster(void)
return cpu_all_mask;
}
-static const cpumask_t *es7000_target_cpus(void)
+static const struct cpumask *es7000_target_cpus(void)
{
- return &cpumask_of_cpu(smp_processor_id());
+ return cpumask_of(smp_processor_id());
}
static unsigned long
@@ -517,7 +517,7 @@ static void es7000_setup_apic_routing(void)
"Enabling APIC mode: %s. Using %d I/O APICs, target cpus %lx\n",
(apic_version[apic] == 0x14) ?
"Physical Cluster" : "Logical Cluster",
- nr_ioapics, cpus_addr(*es7000_target_cpus())[0]);
+ nr_ioapics, cpumask_bits(es7000_target_cpus())[0]);
}
static int es7000_apicid_to_node(int logical_apicid)
diff --git a/arch/x86/kernel/apic/summit_32.c b/arch/x86/kernel/apic/summit_32.c
index aac52fa..7f6bd90 100644
--- a/arch/x86/kernel/apic/summit_32.c
+++ b/arch/x86/kernel/apic/summit_32.c
@@ -192,7 +192,7 @@ static const cpumask_t *summit_target_cpus(void)
* dest_LowestPrio mode logical clustered apic interrupt routing
* Just start on cpu 0. IRQ balancing will spread load
*/
- return &cpumask_of_cpu(0);
+ return cpumask_of(0);
}
static unsigned long summit_check_apicid_used(physid_mask_t bitmap, int apicid)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel_64.c b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
index aaa7d97..96b2a85 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel_64.c
@@ -249,7 +249,7 @@ void cmci_rediscover(int dying)
for_each_online_cpu (cpu) {
if (cpu == dying)
continue;
- if (set_cpus_allowed_ptr(current, &cpumask_of_cpu(cpu)))
+ if (set_cpus_allowed_ptr(current, cpumask_of(cpu)))
continue;
/* Recheck banks in case CPUs don't all have the same */
if (cmci_supported(&banks))
diff --git a/arch/x86/kernel/cpu/proc.c b/arch/x86/kernel/cpu/proc.c
index 4dd610e..f93047f 100644
--- a/arch/x86/kernel/cpu/proc.c
+++ b/arch/x86/kernel/cpu/proc.c
@@ -143,9 +143,9 @@ static int show_cpuinfo(struct seq_file *m, void *v)
static void *c_start(struct seq_file *m, loff_t *pos)
{
if (*pos == 0) /* just in case, cpu 0 is not the first */
- *pos = first_cpu(cpu_online_map);
+ *pos = cpumask_first(cpu_online_mask);
else
- *pos = next_cpu_nr(*pos - 1, cpu_online_map);
+ *pos = cpumask_next(*pos - 1, cpu_online_mask);
if ((*pos) < nr_cpu_ids)
return &cpu_data(*pos);
return NULL;
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index cad5431..6638294 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -324,7 +324,7 @@ void stop_this_cpu(void *dummy)
/*
* Remove this CPU:
*/
- cpu_clear(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), false);
disable_local_APIC();
for (;;) {
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 8882e3c..d0b8d53 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -296,7 +296,7 @@ notrace static void __cpuinit start_secondary(void *unused)
__flush_tlb_all();
#endif
- /* This must be done before setting cpu_online_map */
+ /* This must be done before setting cpu_online_mask */
set_cpu_sibling_map(raw_smp_processor_id());
wmb();
@@ -887,9 +887,8 @@ int __cpuinit native_cpu_up(unsigned int cpu)
*/
static __init void disable_smp(void)
{
- /* use the read/write pointers to the present and possible maps */
- cpumask_copy(&cpu_present_map, cpumask_of(0));
- cpumask_copy(&cpu_possible_map, cpumask_of(0));
+ init_cpu_present(cpumask_of(0));
+ init_cpu_possible(cpumask_of(0));
smpboot_clear_io_apic_irqs();
if (smp_found_config)
@@ -1132,11 +1131,11 @@ early_param("possible_cpus", _setup_possible_cpus);
/*
- * cpu_possible_map should be static, it cannot change as cpu's
+ * cpu_possible_mask should be static, it cannot change as cpu's
* are onlined, or offlined. The reason is per-cpu data-structures
* are allocated by some modules at init time, and dont expect to
* do this dynamically on cpu arrival/departure.
- * cpu_present_map on the other hand can change dynamically.
+ * cpu_present_mask on the other hand can change dynamically.
* In case when cpu_hotplug is not compiled, then we resort to current
* behaviour, which is cpu_possible == cpu_present.
* - Ashok Raj
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 8d47056..585a6e3 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -158,7 +158,7 @@ static void __init xen_fill_possible_map(void)
rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
if (rc >= 0) {
num_processors++;
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
}
}
}
@@ -197,7 +197,7 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
while ((num_possible_cpus() > 1) && (num_possible_cpus() > max_cpus)) {
for (cpu = nr_cpu_ids - 1; !cpu_possible(cpu); cpu--)
continue;
- cpu_clear(cpu, cpu_possible_map);
+ set_cpu_possible(cpu, false);
}
for_each_possible_cpu (cpu) {
@@ -210,7 +210,7 @@ static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
if (IS_ERR(idle))
panic("failed fork for CPU %d", cpu);
- cpu_set(cpu, cpu_present_map);
+ set_cpu_present(cpu, true);
}
}
--
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