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-rw-r--r--arch/sparc/kernel/irq.c5
-rw-r--r--arch/sparc/kernel/smp.c24
-rw-r--r--arch/sparc/kernel/sun4d_irq.c8
-rw-r--r--arch/sparc/kernel/sun4d_smp.c14
-rw-r--r--arch/sparc/kernel/sun4m_smp.c12
-rw-r--r--arch/sparc/mm/generic.c1
-rw-r--r--arch/sparc/mm/init.c6
-rw-r--r--arch/sparc/mm/loadmmu.c2
-rw-r--r--arch/sparc/mm/srmmu.c9
-rw-r--r--arch/sparc/mm/sun4c.c15
10 files changed, 49 insertions, 47 deletions
diff --git a/arch/sparc/kernel/irq.c b/arch/sparc/kernel/irq.c
index 410b9a7..4c60a6e 100644
--- a/arch/sparc/kernel/irq.c
+++ b/arch/sparc/kernel/irq.c
@@ -184,9 +184,8 @@ int show_interrupts(struct seq_file *p, void *v)
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
- for (j = 0; j < NR_CPUS; j++) {
- if (cpu_online(j))
- seq_printf(p, "%10u ",
+ for_each_online_cpu(j) {
+ seq_printf(p, "%10u ",
kstat_cpu(cpu_logical_map(j)).irqs[i]);
}
#endif
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index c6e721d..ea5682c 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -243,9 +243,8 @@ int setup_profiling_timer(unsigned int multiplier)
return -EINVAL;
spin_lock_irqsave(&prof_setup_lock, flags);
- for(i = 0; i < NR_CPUS; i++) {
- if (cpu_possible(i))
- load_profile_irq(i, lvl14_resolution / multiplier);
+ for_each_cpu(i) {
+ load_profile_irq(i, lvl14_resolution / multiplier);
prof_multiplier(i) = multiplier;
}
spin_unlock_irqrestore(&prof_setup_lock, flags);
@@ -273,13 +272,12 @@ void smp_bogo(struct seq_file *m)
{
int i;
- for (i = 0; i < NR_CPUS; i++) {
- if (cpu_online(i))
- seq_printf(m,
- "Cpu%dBogo\t: %lu.%02lu\n",
- i,
- cpu_data(i).udelay_val/(500000/HZ),
- (cpu_data(i).udelay_val/(5000/HZ))%100);
+ for_each_online_cpu(i) {
+ seq_printf(m,
+ "Cpu%dBogo\t: %lu.%02lu\n",
+ i,
+ cpu_data(i).udelay_val/(500000/HZ),
+ (cpu_data(i).udelay_val/(5000/HZ))%100);
}
}
@@ -288,8 +286,6 @@ void smp_info(struct seq_file *m)
int i;
seq_printf(m, "State:\n");
- for (i = 0; i < NR_CPUS; i++) {
- if (cpu_online(i))
- seq_printf(m, "CPU%d\t\t: online\n", i);
- }
+ for_each_online_cpu(i)
+ seq_printf(m, "CPU%d\t\t: online\n", i);
}
diff --git a/arch/sparc/kernel/sun4d_irq.c b/arch/sparc/kernel/sun4d_irq.c
index 5262134..cea7fc6 100644
--- a/arch/sparc/kernel/sun4d_irq.c
+++ b/arch/sparc/kernel/sun4d_irq.c
@@ -103,11 +103,9 @@ found_it: seq_printf(p, "%3d: ", i);
#ifndef CONFIG_SMP
seq_printf(p, "%10u ", kstat_irqs(i));
#else
- for (x = 0; x < NR_CPUS; x++) {
- if (cpu_online(x))
- seq_printf(p, "%10u ",
- kstat_cpu(cpu_logical_map(x)).irqs[i]);
- }
+ for_each_online_cpu(x)
+ seq_printf(p, "%10u ",
+ kstat_cpu(cpu_logical_map(x)).irqs[i]);
#endif
seq_printf(p, "%c %s",
(action->flags & SA_INTERRUPT) ? '+' : ' ',
diff --git a/arch/sparc/kernel/sun4d_smp.c b/arch/sparc/kernel/sun4d_smp.c
index 40d426c..41bb959 100644
--- a/arch/sparc/kernel/sun4d_smp.c
+++ b/arch/sparc/kernel/sun4d_smp.c
@@ -249,11 +249,9 @@ void __init smp4d_boot_cpus(void)
} else {
unsigned long bogosum = 0;
- for(i = 0; i < NR_CPUS; i++) {
- if (cpu_isset(i, cpu_present_map)) {
- bogosum += cpu_data(i).udelay_val;
- smp_highest_cpu = i;
- }
+ for_each_present_cpu(i) {
+ bogosum += cpu_data(i).udelay_val;
+ smp_highest_cpu = i;
}
SMP_PRINTK(("Total of %d Processors activated (%lu.%02lu BogoMIPS).\n", cpucount + 1, bogosum/(500000/HZ), (bogosum/(5000/HZ))%100));
printk("Total of %d Processors activated (%lu.%02lu BogoMIPS).\n",
@@ -266,19 +264,19 @@ void __init smp4d_boot_cpus(void)
/* Free unneeded trap tables */
ClearPageReserved(virt_to_page(trapbase_cpu1));
- set_page_count(virt_to_page(trapbase_cpu1), 1);
+ init_page_count(virt_to_page(trapbase_cpu1));
free_page((unsigned long)trapbase_cpu1);
totalram_pages++;
num_physpages++;
ClearPageReserved(virt_to_page(trapbase_cpu2));
- set_page_count(virt_to_page(trapbase_cpu2), 1);
+ init_page_count(virt_to_page(trapbase_cpu2));
free_page((unsigned long)trapbase_cpu2);
totalram_pages++;
num_physpages++;
ClearPageReserved(virt_to_page(trapbase_cpu3));
- set_page_count(virt_to_page(trapbase_cpu3), 1);
+ init_page_count(virt_to_page(trapbase_cpu3));
free_page((unsigned long)trapbase_cpu3);
totalram_pages++;
num_physpages++;
diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index a21f27d..1dde312 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -218,10 +218,8 @@ void __init smp4m_boot_cpus(void)
cpu_present_map = cpumask_of_cpu(smp_processor_id());
} else {
unsigned long bogosum = 0;
- for(i = 0; i < NR_CPUS; i++) {
- if (cpu_isset(i, cpu_present_map))
- bogosum += cpu_data(i).udelay_val;
- }
+ for_each_present_cpu(i)
+ bogosum += cpu_data(i).udelay_val;
printk("Total of %d Processors activated (%lu.%02lu BogoMIPS).\n",
cpucount + 1,
bogosum/(500000/HZ),
@@ -233,21 +231,21 @@ void __init smp4m_boot_cpus(void)
/* Free unneeded trap tables */
if (!cpu_isset(i, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu1));
- set_page_count(virt_to_page(trapbase_cpu1), 1);
+ init_page_count(virt_to_page(trapbase_cpu1));
free_page((unsigned long)trapbase_cpu1);
totalram_pages++;
num_physpages++;
}
if (!cpu_isset(2, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu2));
- set_page_count(virt_to_page(trapbase_cpu2), 1);
+ init_page_count(virt_to_page(trapbase_cpu2));
free_page((unsigned long)trapbase_cpu2);
totalram_pages++;
num_physpages++;
}
if (!cpu_isset(3, cpu_present_map)) {
ClearPageReserved(virt_to_page(trapbase_cpu3));
- set_page_count(virt_to_page(trapbase_cpu3), 1);
+ init_page_count(virt_to_page(trapbase_cpu3));
free_page((unsigned long)trapbase_cpu3);
totalram_pages++;
num_physpages++;
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index 2cb0728..1ef7fa0 100644
--- a/arch/sparc/mm/generic.c
+++ b/arch/sparc/mm/generic.c
@@ -76,7 +76,6 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
vma->vm_pgoff = (offset >> PAGE_SHIFT) |
((unsigned long)space << 28UL);
- prot = __pgprot(pg_iobits);
offset -= from;
dir = pgd_offset(mm, from);
flush_cache_range(vma, beg, end);
diff --git a/arch/sparc/mm/init.c b/arch/sparc/mm/init.c
index c03baba..8986697 100644
--- a/arch/sparc/mm/init.c
+++ b/arch/sparc/mm/init.c
@@ -383,7 +383,7 @@ void map_high_region(unsigned long start_pfn, unsigned long end_pfn)
struct page *page = pfn_to_page(tmp);
ClearPageReserved(page);
- set_page_count(page, 1);
+ init_page_count(page);
__free_page(page);
totalhigh_pages++;
}
@@ -480,7 +480,7 @@ void free_initmem (void)
p = virt_to_page(addr);
ClearPageReserved(p);
- set_page_count(p, 1);
+ init_page_count(p);
__free_page(p);
totalram_pages++;
num_physpages++;
@@ -497,7 +497,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
struct page *p = virt_to_page(start);
ClearPageReserved(p);
- set_page_count(p, 1);
+ init_page_count(p);
__free_page(p);
num_physpages++;
}
diff --git a/arch/sparc/mm/loadmmu.c b/arch/sparc/mm/loadmmu.c
index e9f9571..36b4d24 100644
--- a/arch/sparc/mm/loadmmu.c
+++ b/arch/sparc/mm/loadmmu.c
@@ -22,8 +22,6 @@ struct ctx_list *ctx_list_pool;
struct ctx_list ctx_free;
struct ctx_list ctx_used;
-unsigned int pg_iobits;
-
extern void ld_mmu_sun4c(void);
extern void ld_mmu_srmmu(void);
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index c664b96..27b0e0b 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -2130,6 +2130,13 @@ static unsigned long srmmu_pte_to_pgoff(pte_t pte)
return pte_val(pte) >> SRMMU_PTE_FILE_SHIFT;
}
+static pgprot_t srmmu_pgprot_noncached(pgprot_t prot)
+{
+ prot &= ~__pgprot(SRMMU_CACHE);
+
+ return prot;
+}
+
/* Load up routines and constants for sun4m and sun4d mmu */
void __init ld_mmu_srmmu(void)
{
@@ -2150,9 +2157,9 @@ void __init ld_mmu_srmmu(void)
BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY));
BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL));
page_kernel = pgprot_val(SRMMU_PAGE_KERNEL);
- pg_iobits = SRMMU_VALID | SRMMU_WRITE | SRMMU_REF;
/* Functions */
+ BTFIXUPSET_CALL(pgprot_noncached, srmmu_pgprot_noncached, BTFIXUPCALL_NORM);
#ifndef CONFIG_SMP
BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);
#endif
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 731f196..49f28c1 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -1589,7 +1589,10 @@ static void sun4c_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
static inline void sun4c_mapioaddr(unsigned long physaddr, unsigned long virt_addr)
{
- unsigned long page_entry;
+ unsigned long page_entry, pg_iobits;
+
+ pg_iobits = _SUN4C_PAGE_PRESENT | _SUN4C_READABLE | _SUN4C_WRITEABLE |
+ _SUN4C_PAGE_IO | _SUN4C_PAGE_NOCACHE;
page_entry = ((physaddr >> PAGE_SHIFT) & SUN4C_PFN_MASK);
page_entry |= ((pg_iobits | _SUN4C_PAGE_PRIV) & ~(_SUN4C_PAGE_PRESENT));
@@ -2134,6 +2137,13 @@ void __init sun4c_paging_init(void)
printk("SUN4C: %d mmu entries for the kernel\n", cnt);
}
+static pgprot_t sun4c_pgprot_noncached(pgprot_t prot)
+{
+ prot |= __pgprot(_SUN4C_PAGE_IO | _SUN4C_PAGE_NOCACHE);
+
+ return prot;
+}
+
/* Load up routines and constants for sun4c mmu */
void __init ld_mmu_sun4c(void)
{
@@ -2156,10 +2166,9 @@ void __init ld_mmu_sun4c(void)
BTFIXUPSET_INT(page_readonly, pgprot_val(SUN4C_PAGE_READONLY));
BTFIXUPSET_INT(page_kernel, pgprot_val(SUN4C_PAGE_KERNEL));
page_kernel = pgprot_val(SUN4C_PAGE_KERNEL);
- pg_iobits = _SUN4C_PAGE_PRESENT | _SUN4C_READABLE | _SUN4C_WRITEABLE |
- _SUN4C_PAGE_IO | _SUN4C_PAGE_NOCACHE;
/* Functions */
+ BTFIXUPSET_CALL(pgprot_noncached, sun4c_pgprot_noncached, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4c, BTFIXUPCALL_NORM);
BTFIXUPSET_CALL(do_check_pgt_cache, sun4c_check_pgt_cache, BTFIXUPCALL_NORM);
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