[PATCH 1/5] remove references to cpu_*_map in arch/

From: Rusty Russell
Date: Wed Feb 15 2012 - 22:52:48 EST

From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

This has been obsolescent for a while; time for the final push.

In adjacent context, replaced old cpus_* with cpumask_*.

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Acked-by: David S. Miller <davem@xxxxxxxxxxxxx> (arch/sparc)
Acked-by: Chris Metcalf <cmetcalf@xxxxxxxxxx> (arch/tile)
Cc: user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: Richard Kuo <rkuo@xxxxxxxxxxxxxx>
Cc: linux-hexagon@xxxxxxxxxxxxxxx
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: Kyle McMartin <kyle@xxxxxxxxxxx>
Cc: Helge Deller <deller@xxxxxx>
Cc: "James E.J. Bottomley" <jejb@xxxxxxxxxxxxxxxx>
Cc: linux-parisc@xxxxxxxxxxxxxxx
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Cc: Paul Mundt <lethal@xxxxxxxxxxxx>
Cc: linux-sh@xxxxxxxxxxxxxxx
Cc: sparclinux@xxxxxxxxxxxxxxx
---
arch/arm/kernel/kprobes.c | 4 ++--
arch/arm/kernel/smp.c | 7 ++++---
arch/hexagon/kernel/smp.c | 8 ++++----
arch/mips/cavium-octeon/smp.c | 2 +-
arch/mips/kernel/mips-mt-fpaff.c | 2 +-
arch/mips/kernel/proc.c | 2 +-
arch/mips/kernel/smp-bmips.c | 2 +-
arch/mips/kernel/smp.c | 27 ++++++++++++---------------
arch/mips/kernel/smtc.c | 2 +-
arch/mips/mm/c-octeon.c | 6 +++---
arch/mips/netlogic/common/smp.c | 6 +++---
arch/mips/pmc-sierra/yosemite/smp.c | 6 +++---
arch/mips/sgi-ip27/ip27-smp.c | 2 +-
arch/mips/sibyte/bcm1480/smp.c | 5 ++---
arch/mips/sibyte/sb1250/smp.c | 7 +++----
arch/parisc/kernel/smp.c | 3 +--
arch/powerpc/platforms/wsp/smp.c | 2 +-
arch/sh/kernel/smp.c | 2 +-
arch/sh/kernel/topology.c | 2 +-
arch/sparc/kernel/leon_kernel.c | 6 +++---
arch/tile/kernel/setup.c | 6 +++---
arch/um/kernel/skas/process.c | 2 +-
arch/um/kernel/smp.c | 9 ++++-----
23 files changed, 57 insertions(+), 63 deletions(-)

diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -127,7 +127,7 @@ void __kprobes arch_arm_kprobe(struct kp
flush_insns(addr, sizeof(u16));
} else if (addr & 2) {
/* A 32-bit instruction spanning two words needs special care */
- stop_machine(set_t32_breakpoint, (void *)addr, &cpu_online_map);
+ stop_machine(set_t32_breakpoint, (void *)addr, cpu_online_mask);
} else {
/* Word aligned 32-bit instruction can be written atomically */
u32 bkp = KPROBE_THUMB32_BREAKPOINT_INSTRUCTION;
@@ -190,7 +190,7 @@ int __kprobes __arch_disarm_kprobe(void

void __kprobes arch_disarm_kprobe(struct kprobe *p)
{
- stop_machine(__arch_disarm_kprobe, p, &cpu_online_map);
+ stop_machine(__arch_disarm_kprobe, p, cpu_online_mask);
}

void __kprobes arch_remove_kprobe(struct kprobe *p)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -359,7 +359,7 @@ void __init smp_prepare_cpus(unsigned in
* re-initialize the map in platform_smp_prepare_cpus() if
* present != possible (e.g. physical hotplug).
*/
- init_cpu_present(&cpu_possible_map);
+ init_cpu_present(cpu_possible_mask);

/*
* Initialise the SCU if there are more than one CPU
@@ -577,8 +577,9 @@ void smp_send_stop(void)
unsigned long timeout;

if (num_online_cpus() > 1) {
- cpumask_t mask = cpu_online_map;
- cpu_clear(smp_processor_id(), mask);
+ struct cpumask mask;
+ cpumask_copy(&mask, cpu_online_mask);
+ cpumask_clear_cpu(smp_processor_id(), &mask);

smp_cross_call(&mask, IPI_CPU_STOP);
}
diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c
--- a/arch/hexagon/kernel/smp.c
+++ b/arch/hexagon/kernel/smp.c
@@ -36,7 +36,7 @@
#define BASE_IPI_IRQ 26

/*
- * cpu_possible_map needs to be filled out prior to setup_per_cpu_areas
+ * cpu_possible_mask needs to be filled out prior to setup_per_cpu_areas
* (which is prior to any of our smp_prepare_cpu crap), in order to set
* up the... per_cpu areas.
*/
@@ -211,7 +211,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
stack_start = ((void *) thread) + THREAD_SIZE;
__vmstart(start_secondary, stack_start);

- while (!cpu_isset(cpu, cpu_online_map))
+ while (!cpu_online(cpu))
barrier();

return 0;
@@ -232,7 +232,7 @@ void __init smp_prepare_cpus(unsigned in

/* Right now, let's just fake it. */
for (i = 0; i < max_cpus; i++)
- cpu_set(i, cpu_present_map);
+ set_cpu_present(i, true);

/* Also need to register the interrupts for IPI */
if (max_cpus > 1)
@@ -272,5 +272,5 @@ void smp_start_cpus(void)
int i;

for (i = 0; i < NR_CPUS; i++)
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
}
diff --git a/arch/mips/cavium-octeon/smp.c b/arch/mips/cavium-octeon/smp.c
--- a/arch/mips/cavium-octeon/smp.c
+++ b/arch/mips/cavium-octeon/smp.c
@@ -268,7 +268,7 @@ static int octeon_cpu_disable(void)

spin_lock(&smp_reserve_lock);

- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
cpu_clear(cpu, cpu_callin_map);
local_irq_disable();
fixup_irqs();
diff --git a/arch/mips/kernel/mips-mt-fpaff.c b/arch/mips/kernel/mips-mt-fpaff.c
--- a/arch/mips/kernel/mips-mt-fpaff.c
+++ b/arch/mips/kernel/mips-mt-fpaff.c
@@ -173,7 +173,7 @@ asmlinkage long mipsmt_sys_sched_getaffi
if (retval)
goto out_unlock;

- cpus_and(mask, p->thread.user_cpus_allowed, cpu_possible_map);
+ cpumask_and(&mask, &p->thread.user_cpus_allowed, cpu_possible_mask);

out_unlock:
read_unlock(&tasklist_lock);
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -25,7 +25,7 @@ static int show_cpuinfo(struct seq_file
int i;

#ifdef CONFIG_SMP
- if (!cpu_isset(n, cpu_online_map))
+ if (!cpu_online(n))
return 0;
#endif

diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -319,7 +319,7 @@ static int bmips_cpu_disable(void)

pr_info("SMP: CPU%d is offline\n", cpu);

- cpu_clear(cpu, cpu_online_map);
+ set_cpu_online(cpu, false);
cpu_clear(cpu, cpu_callin_map);

local_flush_tlb_all();
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -148,7 +148,7 @@ static void stop_this_cpu(void *dummy)
/*
* Remove this CPU:
*/
- cpu_clear(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), false);
for (;;) {
if (cpu_wait)
(*cpu_wait)(); /* Wait if available. */
@@ -174,7 +174,7 @@ void __init smp_prepare_cpus(unsigned in
mp_ops->prepare_cpus(max_cpus);
set_cpu_sibling_map(0);
#ifndef CONFIG_HOTPLUG_CPU
- init_cpu_present(&cpu_possible_map);
+ init_cpu_present(cpu_possible_mask);
#endif
}

@@ -248,7 +248,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
while (!cpu_isset(cpu, cpu_callin_map))
udelay(100);

- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);

return 0;
}
@@ -320,13 +320,12 @@ void flush_tlb_mm(struct mm_struct *mm)
if ((atomic_read(&mm->mm_users) != 1) || (current->mm != mm)) {
smp_on_other_tlbs(flush_tlb_mm_ipi, mm);
} else {
- cpumask_t mask = cpu_online_map;
unsigned int cpu;

- cpu_clear(smp_processor_id(), mask);
- for_each_cpu_mask(cpu, mask)
- if (cpu_context(cpu, mm))
+ for_each_online_cpu(cpu) {
+ if (cpu != smp_processor_id() && cpu_context(cpu, mm))
cpu_context(cpu, mm) = 0;
+ }
}
local_flush_tlb_mm(mm);

@@ -360,13 +359,12 @@ void flush_tlb_range(struct vm_area_stru

smp_on_other_tlbs(flush_tlb_range_ipi, &fd);
} else {
- cpumask_t mask = cpu_online_map;
unsigned int cpu;

- cpu_clear(smp_processor_id(), mask);
- for_each_cpu_mask(cpu, mask)
- if (cpu_context(cpu, mm))
+ for_each_online_cpu(cpu) {
+ if (cpu != smp_processor_id() && cpu_context(cpu, mm))
cpu_context(cpu, mm) = 0;
+ }
}
local_flush_tlb_range(vma, start, end);
preempt_enable();
@@ -407,13 +405,12 @@ void flush_tlb_page(struct vm_area_struc

smp_on_other_tlbs(flush_tlb_page_ipi, &fd);
} else {
- cpumask_t mask = cpu_online_map;
unsigned int cpu;

- cpu_clear(smp_processor_id(), mask);
- for_each_cpu_mask(cpu, mask)
- if (cpu_context(cpu, vma->vm_mm))
+ for_each_online_cpu(cpu) {
+ if (cpu != smp_processor_id() && cpu_context(cpu, vma->vm_mm))
cpu_context(cpu, vma->vm_mm) = 0;
+ }
}
local_flush_tlb_page(vma, page);
preempt_enable();
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -292,7 +292,7 @@ static void smtc_configure_tlb(void)
* possibly leave some TCs/VPEs as "slave" processors.
*
* Use c0_MVPConf0 to find out how many TCs are available, setting up
- * cpu_possible_map and the logical/physical mappings.
+ * cpu_possible_mask and the logical/physical mappings.
*/

int __init smtc_build_cpu_map(int start_cpu_slot)
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
--- a/arch/mips/mm/c-octeon.c
+++ b/arch/mips/mm/c-octeon.c
@@ -81,9 +81,9 @@ static void octeon_flush_icache_all_core
if (vma)
mask = *mm_cpumask(vma->vm_mm);
else
- mask = cpu_online_map;
- cpu_clear(cpu, mask);
- for_each_cpu_mask(cpu, mask)
+ mask = *cpu_online_mask;
+ cpumask_clear_cpu(cpu, &mask);
+ for_each_cpu(cpu, &mask)
octeon_send_ipi_single(cpu, SMP_ICACHE_FLUSH);

preempt_enable();
diff --git a/arch/mips/netlogic/common/smp.c b/arch/mips/netlogic/common/smp.c
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -165,7 +165,7 @@ void __init nlm_smp_setup(void)
cpu_set(boot_cpu, phys_cpu_present_map);
__cpu_number_map[boot_cpu] = 0;
__cpu_logical_map[0] = boot_cpu;
- cpu_set(0, cpu_possible_map);
+ set_cpu_possible(0, true);

num_cpus = 1;
for (i = 0; i < NR_CPUS; i++) {
@@ -177,14 +177,14 @@ void __init nlm_smp_setup(void)
cpu_set(i, phys_cpu_present_map);
__cpu_number_map[i] = num_cpus;
__cpu_logical_map[num_cpus] = i;
- cpu_set(num_cpus, cpu_possible_map);
+ set_cpu_possible(num_cpus, true);
++num_cpus;
}
}

pr_info("Phys CPU present map: %lx, possible map %lx\n",
(unsigned long)phys_cpu_present_map.bits[0],
- (unsigned long)cpu_possible_map.bits[0]);
+ (unsigned long)cpumask_bits(cpu_possible_mask)[0]);

pr_info("Detected %i Slave CPU(s)\n", num_cpus);
nlm_set_nmi_handler(nlm_boot_secondary_cpus);
diff --git a/arch/mips/pmc-sierra/yosemite/smp.c b/arch/mips/pmc-sierra/yosemite/smp.c
--- a/arch/mips/pmc-sierra/yosemite/smp.c
+++ b/arch/mips/pmc-sierra/yosemite/smp.c
@@ -155,10 +155,10 @@ static void __init yos_smp_setup(void)
{
int i;

- cpus_clear(cpu_possible_map);
+ init_cpu_possible(cpu_none_mask);

for (i = 0; i < 2; i++) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = i;
__cpu_logical_map[i] = i;
}
@@ -169,7 +169,7 @@ static void __init yos_prepare_cpus(unsi
/*
* Be paranoid. Enable the IPI only if we're really about to go SMP.
*/
- if (cpus_weight(cpu_possible_map))
+ if (num_possible_cpus())
set_c0_status(STATUSF_IP5);
}

diff --git a/arch/mips/sgi-ip27/ip27-smp.c b/arch/mips/sgi-ip27/ip27-smp.c
--- a/arch/mips/sgi-ip27/ip27-smp.c
+++ b/arch/mips/sgi-ip27/ip27-smp.c
@@ -76,7 +76,7 @@ static int do_cpumask(cnodeid_t cnode, n
/* Only let it join in if it's marked enabled */
if ((acpu->cpu_info.flags & KLINFO_ENABLE) &&
(tot_cpus_found != NR_CPUS)) {
- cpu_set(cpuid, cpu_possible_map);
+ set_cpu_possible(cpuid, true);
alloc_cpupda(cpuid, tot_cpus_found);
cpus_found++;
tot_cpus_found++;
diff --git a/arch/mips/sibyte/bcm1480/smp.c b/arch/mips/sibyte/bcm1480/smp.c
--- a/arch/mips/sibyte/bcm1480/smp.c
+++ b/arch/mips/sibyte/bcm1480/smp.c
@@ -147,14 +147,13 @@ static void __init bcm1480_smp_setup(voi
{
int i, num;

- cpus_clear(cpu_possible_map);
- cpu_set(0, cpu_possible_map);
+ init_cpu_possible(cpumask_of(0));
__cpu_number_map[0] = 0;
__cpu_logical_map[0] = 0;

for (i = 1, num = 0; i < NR_CPUS; i++) {
if (cfe_cpu_stop(i) == 0) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = ++num;
__cpu_logical_map[num] = i;
}
diff --git a/arch/mips/sibyte/sb1250/smp.c b/arch/mips/sibyte/sb1250/smp.c
--- a/arch/mips/sibyte/sb1250/smp.c
+++ b/arch/mips/sibyte/sb1250/smp.c
@@ -126,7 +126,7 @@ static void __cpuinit sb1250_boot_second

/*
* Use CFE to find out how many CPUs are available, setting up
- * cpu_possible_map and the logical/physical mappings.
+ * cpu_possible_mask and the logical/physical mappings.
* XXXKW will the boot CPU ever not be physical 0?
*
* Common setup before any secondaries are started
@@ -135,14 +135,13 @@ static void __init sb1250_smp_setup(void
{
int i, num;

- cpus_clear(cpu_possible_map);
- cpu_set(0, cpu_possible_map);
+ init_cpu_possible(cpumask_of(0));
__cpu_number_map[0] = 0;
__cpu_logical_map[0] = 0;

for (i = 1, num = 0; i < NR_CPUS; i++) {
if (cfe_cpu_stop(i) == 0) {
- cpu_set(i, cpu_possible_map);
+ set_cpu_possible(i, true);
__cpu_number_map[i] = ++num;
__cpu_logical_map[num] = i;
}
diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c
--- a/arch/parisc/kernel/smp.c
+++ b/arch/parisc/kernel/smp.c
@@ -291,8 +291,7 @@ smp_cpu_init(int cpunum)
mb();

/* Well, support 2.4 linux scheme as well. */
- if (cpu_isset(cpunum, cpu_online_map))
- {
+ if (cpu_online(cpunum)) {
extern void machine_halt(void); /* arch/parisc.../process.c */

printk(KERN_CRIT "CPU#%d already initialized!\n", cpunum);
diff --git a/arch/powerpc/platforms/wsp/smp.c b/arch/powerpc/platforms/wsp/smp.c
--- a/arch/powerpc/platforms/wsp/smp.c
+++ b/arch/powerpc/platforms/wsp/smp.c
@@ -71,7 +71,7 @@ int __devinit smp_a2_kick_cpu(int nr)

static int __init smp_a2_probe(void)
{
- return cpus_weight(cpu_possible_map);
+ return num_possible_cpus();
}

static struct smp_ops_t a2_smp_ops = {
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -63,7 +63,7 @@ void __init smp_prepare_cpus(unsigned in
mp_ops->prepare_cpus(max_cpus);

#ifndef CONFIG_HOTPLUG_CPU
- init_cpu_present(&cpu_possible_map);
+ init_cpu_present(cpu_possible_mask);
#endif
}

diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -27,7 +27,7 @@ static cpumask_t cpu_coregroup_map(unsig
* Presently all SH-X3 SMP cores are multi-cores, so just keep it
* simple until we have a method for determining topology..
*/
- return cpu_possible_map;
+ return *cpu_possible_mask;
}

const struct cpumask *cpu_coregroup_mask(unsigned int cpu)
diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c
--- a/arch/sparc/kernel/leon_kernel.c
+++ b/arch/sparc/kernel/leon_kernel.c
@@ -104,11 +104,11 @@ static int irq_choose_cpu(const struct c
{
cpumask_t mask;

- cpus_and(mask, cpu_online_map, *affinity);
- if (cpus_equal(mask, cpu_online_map) || cpus_empty(mask))
+ cpumask_and(&mask, cpu_online_mask, affinity);
+ if (cpumask_equal(&mask, cpu_online_mask) || cpumask_empty(&mask))
return boot_cpu_id;
else
- return first_cpu(mask);
+ return cpumask_first(&mask);
}
#else
#define irq_choose_cpu(affinity) boot_cpu_id
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -1186,7 +1186,7 @@ static void __init setup_cpu_maps(void)
sizeof(cpu_lotar_map));
if (rc < 0) {
pr_err("warning: no HV_INQ_TILES_LOTAR; using AVAIL\n");
- cpu_lotar_map = cpu_possible_map;
+ cpu_lotar_map = *cpu_possible_mask;
}

#if CHIP_HAS_CBOX_HOME_MAP()
@@ -1196,9 +1196,9 @@ static void __init setup_cpu_maps(void)
sizeof(hash_for_home_map));
if (rc < 0)
early_panic("hv_inquire_tiles(HFH_CACHE) failed: rc %d\n", rc);
- cpumask_or(&cpu_cacheable_map, &cpu_possible_map, &hash_for_home_map);
+ cpumask_or(&cpu_cacheable_map, cpu_possible_mask, &hash_for_home_map);
#else
- cpu_cacheable_map = cpu_possible_map;
+ cpu_cacheable_map = *cpu_possible_mask;
#endif
}

diff --git a/arch/um/kernel/skas/process.c b/arch/um/kernel/skas/process.c
--- a/arch/um/kernel/skas/process.c
+++ b/arch/um/kernel/skas/process.c
@@ -41,7 +41,7 @@ static int __init start_kernel_proc(void
cpu_tasks[0].pid = pid;
cpu_tasks[0].task = current;
#ifdef CONFIG_SMP
- cpu_online_map = cpumask_of_cpu(0);
+ init_cpu_online(get_cpu_mask(0));
#endif
start_kernel();
return 0;
diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c
--- a/arch/um/kernel/smp.c
+++ b/arch/um/kernel/smp.c
@@ -76,7 +76,7 @@ static int idle_proc(void *cpup)
cpu_relax();

notify_cpu_starting(cpu);
- cpu_set(cpu, cpu_online_map);
+ set_cpu_online(cpu, true);
default_idle();
return 0;
}
@@ -110,8 +110,7 @@ void smp_prepare_cpus(unsigned int maxcp
for (i = 0; i < ncpus; ++i)
set_cpu_possible(i, true);

- cpu_clear(me, cpu_online_map);
- cpu_set(me, cpu_online_map);
+ set_cpu_online(me, true);
cpu_set(me, cpu_callin_map);

err = os_pipe(cpu_data[me].ipi_pipe, 1, 1);
@@ -138,13 +137,13 @@ void smp_prepare_cpus(unsigned int maxcp

void smp_prepare_boot_cpu(void)
{
- cpu_set(smp_processor_id(), cpu_online_map);
+ set_cpu_online(smp_processor_id(), true);
}

int __cpu_up(unsigned int cpu)
{
cpu_set(cpu, smp_commenced_mask);
- while (!cpu_isset(cpu, cpu_online_map))
+ while (!cpu_online(cpu))
mb();
return 0;
}

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