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Commit deea6675 authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds
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[PATCH] sparse: missing cpumask_t bits on sparc 

	(no, it still doesn't fix sparc32-smp - just partial compile
fixes ;-/)
parent 790d43fd
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Inline Side-by-side
Showing with 37 additions and 24 deletions
arch/sparc/kernel/smp.c
View file @ deea6675
......@@ -127,7 +127,9 @@ void smp_flush_tlb_all(void)
void smp_flush_cache_mm(struct mm_struct *mm)
{
if(mm->context != NO_CONTEXT) {
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
cpu_clear(smp_processor_id(), cpu_mask);
if (!cpus_empty(cpu_mask))
xc1((smpfunc_t) BTFIXUP_CALL(local_flush_cache_mm), (unsigned long) mm);
local_flush_cache_mm(mm);
}
......@@ -136,10 +138,12 @@ void smp_flush_cache_mm(struct mm_struct *mm)
void smp_flush_tlb_mm(struct mm_struct *mm)
{
if(mm->context != NO_CONTEXT) {
if(mm->cpu_vm_mask != (1 << smp_processor_id())) {
cpumask_t cpu_mask = mm->cpu_vm_mask;
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 = (1 << smp_processor_id());
mm->cpu_vm_mask = cpumask_of_cpu(smp_processor_id());
}
local_flush_tlb_mm(mm);
}
......@@ -151,7 +155,9 @@ 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) {
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
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);
local_flush_cache_range(vma, start, end);
}
......@@ -163,7 +169,9 @@ 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) {
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
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);
local_flush_tlb_range(vma, start, end);
}
......@@ -174,7 +182,9 @@ 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) {
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
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);
local_flush_cache_page(vma, page);
}
......@@ -185,7 +195,9 @@ 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) {
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
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);
local_flush_tlb_page(vma, page);
}
......@@ -207,7 +219,9 @@ void smp_flush_page_to_ram(unsigned long page)
void smp_flush_sig_insns(struct mm_struct *mm, unsigned long insn_addr)
{
if(mm->cpu_vm_mask != (1 << smp_processor_id()))
cpumask_t cpu_mask = mm->cpu_vm_mask;
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);
local_flush_sig_insns(mm, insn_addr);
}
......
arch/sparc/kernel/sun4m_smp.c
View file @ deea6675
......@@ -40,7 +40,6 @@ extern ctxd_t *srmmu_ctx_table_phys;
extern void calibrate_delay(void);
extern volatile int smp_processors_ready;
extern unsigned long cpu_present_map;
extern int smp_num_cpus;
extern int smp_threads_ready;
extern volatile unsigned long cpu_callin_map[NR_CPUS];
......@@ -146,10 +145,10 @@ void __init smp4m_boot_cpus(void)
printk("Entering SMP Mode...\n");
local_irq_enable();
cpu_present_map = 0;
cpus_clear(cpu_present_map);
for (i = 0; !cpu_find_by_instance(i, NULL, &mid); i++)
cpu_present_map |= (1<<mid);
cpu_set(mid, cpu_present_map);
for(i=0; i < NR_CPUS; i++) {
__cpu_number_map[i] = -1;
......@@ -170,7 +169,7 @@ void __init smp4m_boot_cpus(void)
if(i == boot_cpu_id)
continue;
if(cpu_present_map & (1 << i)) {
if (cpu_isset(i, cpu_present_map)) {
extern unsigned long sun4m_cpu_startup;
unsigned long *entry = &sun4m_cpu_startup;
struct task_struct *p;
......@@ -223,18 +222,18 @@ void __init smp4m_boot_cpus(void)
}
}
if(!(cpu_callin_map[i])) {
cpu_present_map &= ~(1 << i);
cpu_clear(i, cpu_present_map);
__cpu_number_map[i] = -1;
}
}
local_flush_cache_all();
if(cpucount == 0) {
printk("Error: only one Processor found.\n");
cpu_present_map = (1 << smp_processor_id());
cpu_present_map = cpumask_of_cpu(smp_processor_id());
} else {
unsigned long bogosum = 0;
for(i = 0; i < NR_CPUS; i++) {
if(cpu_present_map & (1 << i))
if (cpu_isset(i, cpu_present_map))
bogosum += cpu_data(i).udelay_val;
}
printk("Total of %d Processors activated (%lu.%02lu BogoMIPS).\n",
......@@ -246,21 +245,21 @@ void __init smp4m_boot_cpus(void)
}
/* Free unneeded trap tables */
if (!(cpu_present_map & (1 << 1))) {
if (!cpu_isset(i, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu1));
set_page_count(virt_to_page(trapbase_cpu1), 1);
free_page((unsigned long)trapbase_cpu1);
totalram_pages++;
num_physpages++;
}
if (!(cpu_present_map & (1 << 2))) {
if (!cpu_isset(2, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu2));
set_page_count(virt_to_page(trapbase_cpu2), 1);
free_page((unsigned long)trapbase_cpu2);
totalram_pages++;
num_physpages++;
}
if (!(cpu_present_map & (1 << 3))) {
if (!cpu_isset(3, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu3));
set_page_count(virt_to_page(trapbase_cpu3), 1);
free_page((unsigned long)trapbase_cpu3);
......@@ -289,7 +288,7 @@ void smp4m_irq_rotate(int cpu)
void smp4m_message_pass(int target, int msg, unsigned long data, int wait)
{
static unsigned long smp_cpu_in_msg[NR_CPUS];
unsigned long mask;
cpumask_t mask;
int me = smp_processor_id();
int irq, i;
......@@ -308,9 +307,9 @@ void smp4m_message_pass(int target, int msg, unsigned long data, int wait)
if(target == MSG_ALL_BUT_SELF || target == MSG_ALL) {
mask = cpu_present_map;
if(target == MSG_ALL_BUT_SELF)
mask &= ~(1 << me);
cpu_clear(me, mask);
for(i = 0; i < 4; i++) {
if(mask & (1 << i))
if (cpu_isset(i, mask))
set_cpu_int(i, irq);
}
} else {
......@@ -357,12 +356,12 @@ void smp4m_cross_call(smpfunc_t func, unsigned long arg1, unsigned long arg2,
/* Init receive/complete mapping, plus fire the IPI's off. */
{
register unsigned long mask;
cpumask_t mask = cpu_present_map;
register int i;
mask = (cpu_present_map & ~(1 << smp_processor_id()));
cpu_clear(smp_processor_id(), mask);
for(i = 0; i < ncpus; i++) {
if(mask & (1 << i)) {
if (cpu_isset(i, mask)) {
ccall_info.processors_in[i] = 0;
ccall_info.processors_out[i] = 0;
set_cpu_int(i, IRQ_CROSS_CALL);
......
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