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-rw-r--r--arch/ia64/Kconfig4
-rw-r--r--arch/ia64/ia32/binfmt_elf32.c13
-rw-r--r--arch/ia64/ia32/ia32_entry.S2
-rw-r--r--arch/ia64/ia32/sys_ia32.c68
-rw-r--r--arch/ia64/kernel/perfmon.c3
-rw-r--r--arch/ia64/kernel/traps.c30
-rw-r--r--arch/ia64/kernel/vmlinux.lds.S2
-rw-r--r--arch/ia64/mm/contig.c4
-rw-r--r--arch/ia64/mm/discontig.c6
-rw-r--r--arch/ia64/mm/init.c8
-rw-r--r--arch/ia64/sn/kernel/sn2/sn_proc_fs.c105
11 files changed, 86 insertions, 159 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index f1d2899..db185f3 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -24,6 +24,10 @@ config 64BIT
bool
default y
+config ZONE_DMA
+ def_bool y
+ depends on !IA64_SGI_SN2
+
config MMU
bool
default y
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 578737e..c05bda6 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -91,9 +91,8 @@ ia64_elf32_init (struct pt_regs *regs)
* it with privilege level 3 because the IVE uses non-privileged accesses to these
* tables. IA-32 segmentation is used to protect against IA-32 accesses to them.
*/
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
- memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_GDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@@ -117,9 +116,8 @@ ia64_elf32_init (struct pt_regs *regs)
* code is locked in specific gate page, which is pointed by pretcode
* when setup_frame_ia32
*/
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
- memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_GATE_OFFSET;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@@ -142,9 +140,8 @@ ia64_elf32_init (struct pt_regs *regs)
* Install LDT as anonymous memory. This gives us all-zero segment descriptors
* until a task modifies them via modify_ldt().
*/
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
- memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = IA32_LDT_OFFSET;
vma->vm_end = vma->vm_start + PAGE_ALIGN(IA32_LDT_ENTRIES*IA32_LDT_ENTRY_SIZE);
@@ -214,12 +211,10 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
bprm->loader += stack_base;
bprm->exec += stack_base;
- mpnt = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ mpnt = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!mpnt)
return -ENOMEM;
- memset(mpnt, 0, sizeof(*mpnt));
-
down_write(&current->mm->mmap_sem);
{
mpnt->vm_mm = current->mm;
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index a32cd59..687e5fd 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -326,7 +326,7 @@ ia32_syscall_table:
data8 sys_ni_syscall
data8 compat_sys_wait4
data8 sys_swapoff /* 115 */
- data8 sys32_sysinfo
+ data8 compat_sys_sysinfo
data8 sys32_ipc
data8 sys_fsync
data8 sys32_sigreturn
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 957681c..d430d36 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -2209,74 +2209,6 @@ sys32_fstat64 (unsigned int fd, struct stat64 __user *statbuf)
return ret;
}
-struct sysinfo32 {
- s32 uptime;
- u32 loads[3];
- u32 totalram;
- u32 freeram;
- u32 sharedram;
- u32 bufferram;
- u32 totalswap;
- u32 freeswap;
- u16 procs;
- u16 pad;
- u32 totalhigh;
- u32 freehigh;
- u32 mem_unit;
- char _f[8];
-};
-
-asmlinkage long
-sys32_sysinfo (struct sysinfo32 __user *info)
-{
- struct sysinfo s;
- long ret, err;
- int bitcount = 0;
- mm_segment_t old_fs = get_fs();
-
- set_fs(KERNEL_DS);
- ret = sys_sysinfo((struct sysinfo __user *) &s);
- set_fs(old_fs);
- /* Check to see if any memory value is too large for 32-bit and
- * scale down if needed.
- */
- if ((s.totalram >> 32) || (s.totalswap >> 32)) {
- while (s.mem_unit < PAGE_SIZE) {
- s.mem_unit <<= 1;
- bitcount++;
- }
- s.totalram >>= bitcount;
- s.freeram >>= bitcount;
- s.sharedram >>= bitcount;
- s.bufferram >>= bitcount;
- s.totalswap >>= bitcount;
- s.freeswap >>= bitcount;
- s.totalhigh >>= bitcount;
- s.freehigh >>= bitcount;
- }
-
- if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
- return -EFAULT;
-
- err = __put_user(s.uptime, &info->uptime);
- err |= __put_user(s.loads[0], &info->loads[0]);
- err |= __put_user(s.loads[1], &info->loads[1]);
- err |= __put_user(s.loads[2], &info->loads[2]);
- err |= __put_user(s.totalram, &info->totalram);
- err |= __put_user(s.freeram, &info->freeram);
- err |= __put_user(s.sharedram, &info->sharedram);
- err |= __put_user(s.bufferram, &info->bufferram);
- err |= __put_user(s.totalswap, &info->totalswap);
- err |= __put_user(s.freeswap, &info->freeswap);
- err |= __put_user(s.procs, &info->procs);
- err |= __put_user (s.totalhigh, &info->totalhigh);
- err |= __put_user (s.freehigh, &info->freehigh);
- err |= __put_user (s.mem_unit, &info->mem_unit);
- if (err)
- return -EFAULT;
- return ret;
-}
-
asmlinkage long
sys32_sched_rr_get_interval (pid_t pid, struct compat_timespec __user *interval)
{
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index aa94f60..86e144f 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2301,12 +2301,11 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon
DPRINT(("smpl_buf @%p\n", smpl_buf));
/* allocate vma */
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (!vma) {
DPRINT(("Cannot allocate vma\n"));
goto error_kmem;
}
- memset(vma, 0, sizeof(*vma));
/*
* partially initialize the vma for the sampling buffer
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index ab68474..765cbe5 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -24,8 +24,6 @@
#include <asm/uaccess.h>
#include <asm/kdebug.h>
-extern spinlock_t timerlist_lock;
-
fpswa_interface_t *fpswa_interface;
EXPORT_SYMBOL(fpswa_interface);
@@ -53,34 +51,6 @@ trap_init (void)
fpswa_interface = __va(ia64_boot_param->fpswa);
}
-/*
- * Unlock any spinlocks which will prevent us from getting the message out (timerlist_lock
- * is acquired through the console unblank code)
- */
-void
-bust_spinlocks (int yes)
-{
- int loglevel_save = console_loglevel;
-
- if (yes) {
- oops_in_progress = 1;
- return;
- }
-
-#ifdef CONFIG_VT
- unblank_screen();
-#endif
- oops_in_progress = 0;
- /*
- * OK, the message is on the console. Now we call printk() without
- * oops_in_progress set so that printk will give klogd a poke. Hold onto
- * your hats...
- */
- console_loglevel = 15; /* NMI oopser may have shut the console up */
- printk(" ");
- console_loglevel = loglevel_save;
-}
-
void
die (const char *str, struct pt_regs *regs, long err)
{
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 8f3d006..25dd55e 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -111,12 +111,14 @@ SECTIONS
.init.data : AT(ADDR(.init.data) - LOAD_OFFSET)
{ *(.init.data) }
+#ifdef CONFIG_BLK_DEV_INITRD
.init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET)
{
__initramfs_start = .;
*(.init.ramfs)
__initramfs_end = .;
}
+#endif
. = ALIGN(16);
.init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET)
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 63e6d49..ca4d41e 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -259,9 +259,11 @@ paging_init (void)
num_physpages = 0;
efi_memmap_walk(count_pages, &num_physpages);
- max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+#ifdef CONFIG_ZONE_DMA
+ max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
max_zone_pfns[ZONE_DMA] = max_dma;
+#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_VIRTUAL_MEM_MAP
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 6eae596..1683510 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -37,7 +37,9 @@ struct early_node_data {
unsigned long pernode_size;
struct bootmem_data bootmem_data;
unsigned long num_physpages;
+#ifdef CONFIG_ZONE_DMA
unsigned long num_dma_physpages;
+#endif
unsigned long min_pfn;
unsigned long max_pfn;
};
@@ -633,9 +635,11 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
unsigned long end = start + len;
mem_data[node].num_physpages += len >> PAGE_SHIFT;
+#ifdef CONFIG_ZONE_DMA
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
(min(end, __pa(MAX_DMA_ADDRESS)) - start) >>PAGE_SHIFT;
+#endif
start = GRANULEROUNDDOWN(start);
start = ORDERROUNDDOWN(start);
end = GRANULEROUNDUP(end);
@@ -688,7 +692,9 @@ void __init paging_init(void)
}
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
+#ifdef CONFIG_ZONE_DMA
max_zone_pfns[ZONE_DMA] = max_dma;
+#endif
max_zone_pfns[ZONE_NORMAL] = max_pfn;
free_area_init_nodes(max_zone_pfns);
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index faaca21..f225dd7 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -68,7 +68,7 @@ max_pgt_pages(void)
#ifndef CONFIG_NUMA
node_free_pages = nr_free_pages();
#else
- node_free_pages = nr_free_pages_pgdat(NODE_DATA(numa_node_id()));
+ node_free_pages = node_page_state(numa_node_id(), NR_FREE_PAGES);
#endif
max_pgt_pages = node_free_pages / PGT_FRACTION_OF_NODE_MEM;
max_pgt_pages = max(max_pgt_pages, MIN_PGT_PAGES);
@@ -176,9 +176,8 @@ ia64_init_addr_space (void)
* the problem. When the process attempts to write to the register backing store
* for the first time, it will get a SEGFAULT in this case.
*/
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
- memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
vma->vm_end = vma->vm_start + PAGE_SIZE;
@@ -195,9 +194,8 @@ ia64_init_addr_space (void)
/* map NaT-page at address zero to speed up speculative dereferencing of NULL: */
if (!(current->personality & MMAP_PAGE_ZERO)) {
- vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
if (vma) {
- memset(vma, 0, sizeof(*vma));
vma->vm_mm = current->mm;
vma->vm_end = PAGE_SIZE;
vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index 43ddc2e..62b3e9a 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -89,61 +89,80 @@ static int coherence_id_open(struct inode *inode, struct file *file)
return single_open(file, coherence_id_show, NULL);
}
-static struct proc_dir_entry
-*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
- int (*openfunc)(struct inode *, struct file *),
- int (*releasefunc)(struct inode *, struct file *),
- ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *))
-{
- struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
-
- if (e) {
- struct file_operations *f;
-
- f = kzalloc(sizeof(*f), GFP_KERNEL);
- if (f) {
- f->open = openfunc;
- f->read = seq_read;
- f->llseek = seq_lseek;
- f->release = releasefunc;
- f->write = write;
- e->proc_fops = f;
- }
- }
-
- return e;
-}
-
/* /proc/sgi_sn/sn_topology uses seq_file, see sn_hwperf.c */
extern int sn_topology_open(struct inode *, struct file *);
extern int sn_topology_release(struct inode *, struct file *);
+static const struct file_operations proc_partition_id_fops = {
+ .open = partition_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_system_sn_fops = {
+ .open = system_serial_number_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_license_id_fops = {
+ .open = licenseID_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_sn_force_intr_fops = {
+ .open = sn_force_interrupt_open,
+ .read = seq_read,
+ .write = sn_force_interrupt_write_proc,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_coherence_id_fops = {
+ .open = coherence_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static const struct file_operations proc_sn_topo_fops = {
+ .open = sn_topology_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = sn_topology_release,
+};
+
void register_sn_procfs(void)
{
static struct proc_dir_entry *sgi_proc_dir = NULL;
+ struct proc_dir_entry *pde;
BUG_ON(sgi_proc_dir != NULL);
if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
return;
- sn_procfs_create_entry("partition_id", sgi_proc_dir,
- partition_id_open, single_release, NULL);
-
- sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
- system_serial_number_open, single_release, NULL);
-
- sn_procfs_create_entry("licenseID", sgi_proc_dir,
- licenseID_open, single_release, NULL);
-
- sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
- sn_force_interrupt_open, single_release,
- sn_force_interrupt_write_proc);
-
- sn_procfs_create_entry("coherence_id", sgi_proc_dir,
- coherence_id_open, single_release, NULL);
-
- sn_procfs_create_entry("sn_topology", sgi_proc_dir,
- sn_topology_open, sn_topology_release, NULL);
+ pde = create_proc_entry("partition_id", 0444, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_partition_id_fops;
+ pde = create_proc_entry("system_serial_number", 0444, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_system_sn_fops;
+ pde = create_proc_entry("licenseID", 0444, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_license_id_fops;
+ pde = create_proc_entry("sn_force_interrupt", 0644, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_sn_force_intr_fops;
+ pde = create_proc_entry("coherence_id", 0444, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_coherence_id_fops;
+ pde = create_proc_entry("sn_topology", 0444, sgi_proc_dir);
+ if (pde)
+ pde->proc_fops = &proc_sn_topo_fops;
}
#endif /* CONFIG_PROC_FS */
generated by cgit v1.1 at 2025-08-22 00:37:09 +0000