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-rw-r--r--arch/alpha/kernel/alpha_ksyms.c1
-rw-r--r--arch/alpha/kernel/osf_sys.c2
-rw-r--r--arch/alpha/kernel/pci-noop.c1
-rw-r--r--arch/alpha/kernel/process.c34
-rw-r--r--arch/alpha/kernel/ptrace.c71
-rw-r--r--arch/alpha/kernel/smp.c2
-rw-r--r--arch/alpha/kernel/sys_alcor.c3
-rw-r--r--arch/alpha/kernel/sys_sio.c6
8 files changed, 52 insertions, 68 deletions
diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c
index f3e98f83778..1898ea79d0e 100644
--- a/arch/alpha/kernel/alpha_ksyms.c
+++ b/arch/alpha/kernel/alpha_ksyms.c
@@ -40,7 +40,6 @@
#include <asm/unistd.h>
extern struct hwrpb_struct *hwrpb;
-extern void dump_thread(struct pt_regs *, struct user *);
extern spinlock_t rtc_lock;
/* these are C runtime functions with special calling conventions: */
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 01fe990d3e5..7fb14f42a12 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -960,7 +960,7 @@ osf_utimes(char __user *filename, struct timeval32 __user *tvs)
return -EFAULT;
}
- return do_utimes(filename, tvs ? ktvs : NULL);
+ return do_utimes(AT_FDCWD, filename, tvs ? ktvs : NULL);
}
#define MAX_SELECT_SECONDS \
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index 9903e3a7910..fff5cf93e81 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -7,6 +7,7 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/bootmem.h>
+#include <linux/capability.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/sched.h>
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index a8682612abc..9924fd07743 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -43,6 +43,11 @@
#include "proto.h"
#include "pci_impl.h"
+/*
+ * Power off function, if any
+ */
+void (*pm_power_off)(void) = machine_power_off;
+
void
cpu_idle(void)
{
@@ -271,7 +276,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
{
extern void ret_from_fork(void);
- struct thread_info *childti = p->thread_info;
+ struct thread_info *childti = task_thread_info(p);
struct pt_regs * childregs;
struct switch_stack * childstack, *stack;
unsigned long stack_offset, settls;
@@ -280,7 +285,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
if (!(regs->ps & 8))
stack_offset = (PAGE_SIZE-1) & (unsigned long) regs;
childregs = (struct pt_regs *)
- (stack_offset + PAGE_SIZE + (long) childti);
+ (stack_offset + PAGE_SIZE + task_stack_page(p));
*childregs = *regs;
settls = regs->r20;
@@ -423,30 +428,15 @@ dump_elf_thread(elf_greg_t *dest, struct pt_regs *pt, struct thread_info *ti)
int
dump_elf_task(elf_greg_t *dest, struct task_struct *task)
{
- struct thread_info *ti;
- struct pt_regs *pt;
-
- ti = task->thread_info;
- pt = (struct pt_regs *)((unsigned long)ti + 2*PAGE_SIZE) - 1;
-
- dump_elf_thread(dest, pt, ti);
-
+ dump_elf_thread(dest, task_pt_regs(task), task_thread_info(task));
return 1;
}
int
dump_elf_task_fp(elf_fpreg_t *dest, struct task_struct *task)
{
- struct thread_info *ti;
- struct pt_regs *pt;
- struct switch_stack *sw;
-
- ti = task->thread_info;
- pt = (struct pt_regs *)((unsigned long)ti + 2*PAGE_SIZE) - 1;
- sw = (struct switch_stack *)pt - 1;
-
+ struct switch_stack *sw = (struct switch_stack *)task_pt_regs(task) - 1;
memcpy(dest, sw->fp, 32 * 8);
-
return 1;
}
@@ -487,8 +477,8 @@ out:
unsigned long
thread_saved_pc(task_t *t)
{
- unsigned long base = (unsigned long)t->thread_info;
- unsigned long fp, sp = t->thread_info->pcb.ksp;
+ unsigned long base = (unsigned long)task_stack_page(t);
+ unsigned long fp, sp = task_thread_info(t)->pcb.ksp;
if (sp > base && sp+6*8 < base + 16*1024) {
fp = ((unsigned long*)sp)[6];
@@ -518,7 +508,7 @@ get_wchan(struct task_struct *p)
pc = thread_saved_pc(p);
if (in_sched_functions(pc)) {
- schedule_frame = ((unsigned long *)p->thread_info->pcb.ksp)[6];
+ schedule_frame = ((unsigned long *)task_thread_info(p)->pcb.ksp)[6];
return ((unsigned long *)schedule_frame)[12];
}
return pc;
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index bbd37536d14..0cd060598f9 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -72,6 +72,13 @@ enum {
REG_R0 = 0, REG_F0 = 32, REG_FPCR = 63, REG_PC = 64
};
+#define PT_REG(reg) \
+ (PAGE_SIZE*2 - sizeof(struct pt_regs) + offsetof(struct pt_regs, reg))
+
+#define SW_REG(reg) \
+ (PAGE_SIZE*2 - sizeof(struct pt_regs) - sizeof(struct switch_stack) \
+ + offsetof(struct switch_stack, reg))
+
static int regoff[] = {
PT_REG( r0), PT_REG( r1), PT_REG( r2), PT_REG( r3),
PT_REG( r4), PT_REG( r5), PT_REG( r6), PT_REG( r7),
@@ -103,14 +110,14 @@ get_reg_addr(struct task_struct * task, unsigned long regno)
unsigned long *addr;
if (regno == 30) {
- addr = &task->thread_info->pcb.usp;
+ addr = &task_thread_info(task)->pcb.usp;
} else if (regno == 65) {
- addr = &task->thread_info->pcb.unique;
+ addr = &task_thread_info(task)->pcb.unique;
} else if (regno == 31 || regno > 65) {
zero = 0;
addr = &zero;
} else {
- addr = (void *)task->thread_info + regoff[regno];
+ addr = task_stack_page(task) + regoff[regno];
}
return addr;
}
@@ -125,7 +132,7 @@ get_reg(struct task_struct * task, unsigned long regno)
if (regno == 63) {
unsigned long fpcr = *get_reg_addr(task, regno);
unsigned long swcr
- = task->thread_info->ieee_state & IEEE_SW_MASK;
+ = task_thread_info(task)->ieee_state & IEEE_SW_MASK;
swcr = swcr_update_status(swcr, fpcr);
return fpcr | swcr;
}
@@ -139,8 +146,8 @@ static int
put_reg(struct task_struct *task, unsigned long regno, unsigned long data)
{
if (regno == 63) {
- task->thread_info->ieee_state
- = ((task->thread_info->ieee_state & ~IEEE_SW_MASK)
+ task_thread_info(task)->ieee_state
+ = ((task_thread_info(task)->ieee_state & ~IEEE_SW_MASK)
| (data & IEEE_SW_MASK));
data = (data & FPCR_DYN_MASK) | ieee_swcr_to_fpcr(data);
}
@@ -188,35 +195,35 @@ ptrace_set_bpt(struct task_struct * child)
* branch (emulation can be tricky for fp branches).
*/
displ = ((s32)(insn << 11)) >> 9;
- child->thread_info->bpt_addr[nsaved++] = pc + 4;
+ task_thread_info(child)->bpt_addr[nsaved++] = pc + 4;
if (displ) /* guard against unoptimized code */
- child->thread_info->bpt_addr[nsaved++]
+ task_thread_info(child)->bpt_addr[nsaved++]
= pc + 4 + displ;
DBG(DBG_BPT, ("execing branch\n"));
} else if (op_code == 0x1a) {
reg_b = (insn >> 16) & 0x1f;
- child->thread_info->bpt_addr[nsaved++] = get_reg(child, reg_b);
+ task_thread_info(child)->bpt_addr[nsaved++] = get_reg(child, reg_b);
DBG(DBG_BPT, ("execing jump\n"));
} else {
- child->thread_info->bpt_addr[nsaved++] = pc + 4;
+ task_thread_info(child)->bpt_addr[nsaved++] = pc + 4;
DBG(DBG_BPT, ("execing normal insn\n"));
}
/* install breakpoints: */
for (i = 0; i < nsaved; ++i) {
- res = read_int(child, child->thread_info->bpt_addr[i],
+ res = read_int(child, task_thread_info(child)->bpt_addr[i],
(int *) &insn);
if (res < 0)
return res;
- child->thread_info->bpt_insn[i] = insn;
+ task_thread_info(child)->bpt_insn[i] = insn;
DBG(DBG_BPT, (" -> next_pc=%lx\n",
- child->thread_info->bpt_addr[i]));
- res = write_int(child, child->thread_info->bpt_addr[i],
+ task_thread_info(child)->bpt_addr[i]));
+ res = write_int(child, task_thread_info(child)->bpt_addr[i],
BREAKINST);
if (res < 0)
return res;
}
- child->thread_info->bpt_nsaved = nsaved;
+ task_thread_info(child)->bpt_nsaved = nsaved;
return 0;
}
@@ -227,9 +234,9 @@ ptrace_set_bpt(struct task_struct * child)
int
ptrace_cancel_bpt(struct task_struct * child)
{
- int i, nsaved = child->thread_info->bpt_nsaved;
+ int i, nsaved = task_thread_info(child)->bpt_nsaved;
- child->thread_info->bpt_nsaved = 0;
+ task_thread_info(child)->bpt_nsaved = 0;
if (nsaved > 2) {
printk("ptrace_cancel_bpt: bogus nsaved: %d!\n", nsaved);
@@ -237,8 +244,8 @@ ptrace_cancel_bpt(struct task_struct * child)
}
for (i = 0; i < nsaved; ++i) {
- write_int(child, child->thread_info->bpt_addr[i],
- child->thread_info->bpt_insn[i]);
+ write_int(child, task_thread_info(child)->bpt_addr[i],
+ task_thread_info(child)->bpt_insn[i]);
}
return (nsaved != 0);
}
@@ -265,30 +272,16 @@ do_sys_ptrace(long request, long pid, long addr, long data,
lock_kernel();
DBG(DBG_MEM, ("request=%ld pid=%ld addr=0x%lx data=0x%lx\n",
request, pid, addr, data));
- ret = -EPERM;
if (request == PTRACE_TRACEME) {
- /* are we already being traced? */
- if (current->ptrace & PT_PTRACED)
- goto out_notsk;
- ret = security_ptrace(current->parent, current);
- if (ret)
- goto out_notsk;
- /* set the ptrace bit in the process ptrace flags. */
- current->ptrace |= PT_PTRACED;
- ret = 0;
+ ret = ptrace_traceme();
goto out_notsk;
}
- if (pid == 1) /* you may not mess with init */
- goto out_notsk;
- ret = -ESRCH;
- read_lock(&tasklist_lock);
- child = find_task_by_pid(pid);
- if (child)
- get_task_struct(child);
- read_unlock(&tasklist_lock);
- if (!child)
+ child = ptrace_get_task_struct(pid);
+ if (IS_ERR(child)) {
+ ret = PTR_ERR(child);
goto out_notsk;
+ }
if (request == PTRACE_ATTACH) {
ret = ptrace_attach(child);
@@ -369,7 +362,7 @@ do_sys_ptrace(long request, long pid, long addr, long data,
if (!valid_signal(data))
break;
/* Mark single stepping. */
- child->thread_info->bpt_nsaved = -1;
+ task_thread_info(child)->bpt_nsaved = -1;
clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
child->exit_code = data;
wake_up_process(child);
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index da0be346579..4b873527ce1 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -302,7 +302,7 @@ secondary_cpu_start(int cpuid, struct task_struct *idle)
+ hwrpb->processor_offset
+ cpuid * hwrpb->processor_size);
hwpcb = (struct pcb_struct *) cpu->hwpcb;
- ipcb = &idle->thread_info->pcb;
+ ipcb = &task_thread_info(idle)->pcb;
/* Initialize the CPU's HWPCB to something just good enough for
us to get started. Immediately after starting, we'll swpctx
diff --git a/arch/alpha/kernel/sys_alcor.c b/arch/alpha/kernel/sys_alcor.c
index 145dcde143a..d7f0e97fe56 100644
--- a/arch/alpha/kernel/sys_alcor.c
+++ b/arch/alpha/kernel/sys_alcor.c
@@ -254,7 +254,7 @@ alcor_init_pci(void)
* motherboard, by looking for a 21040 TULIP in slot 6, which is
* built into XLT and BRET/MAVERICK, but not available on ALCOR.
*/
- dev = pci_find_device(PCI_VENDOR_ID_DEC,
+ dev = pci_get_device(PCI_VENDOR_ID_DEC,
PCI_DEVICE_ID_DEC_TULIP,
NULL);
if (dev && dev->devfn == PCI_DEVFN(6,0)) {
@@ -262,6 +262,7 @@ alcor_init_pci(void)
printk(KERN_INFO "%s: Detected AS500 or XLT motherboard.\n",
__FUNCTION__);
}
+ pci_dev_put(dev);
}
diff --git a/arch/alpha/kernel/sys_sio.c b/arch/alpha/kernel/sys_sio.c
index 47df48a6ddb..131a2d9f79d 100644
--- a/arch/alpha/kernel/sys_sio.c
+++ b/arch/alpha/kernel/sys_sio.c
@@ -105,7 +105,7 @@ sio_collect_irq_levels(void)
struct pci_dev *dev = NULL;
/* Iterate through the devices, collecting IRQ levels. */
- while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
+ for_each_pci_dev(dev) {
if ((dev->class >> 16 == PCI_BASE_CLASS_BRIDGE) &&
(dev->class >> 8 != PCI_CLASS_BRIDGE_PCMCIA))
continue;
@@ -229,8 +229,8 @@ alphabook1_init_pci(void)
*/
dev = NULL;
- while ((dev = pci_find_device(PCI_VENDOR_ID_NCR, PCI_ANY_ID, dev))) {
- if (dev->device == PCI_DEVICE_ID_NCR_53C810
+ while ((dev = pci_get_device(PCI_VENDOR_ID_NCR, PCI_ANY_ID, dev))) {
+ if (dev->device == PCI_DEVICE_ID_NCR_53C810
|| dev->device == PCI_DEVICE_ID_NCR_53C815
|| dev->device == PCI_DEVICE_ID_NCR_53C820
|| dev->device == PCI_DEVICE_ID_NCR_53C825) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 08:35:20 +0000