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authorPaul Mackerras <paulus@samba.org>2008-01-31 11:25:51 +1100
committerPaul Mackerras <paulus@samba.org>2008-01-31 11:25:51 +1100
commitbd45ac0c5daae35e7c71138172e63df5cf644cf6 (patch)
tree5eb5a599bf6a9d7a8a34e802db932aa9e9555de4 /arch/powerpc/kernel
parent4eece4ccf997c0e6d8fdad3d842e37b16b8d705f (diff)
parent5bdeae46be6dfe9efa44a548bd622af325f4bdb4 (diff)
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/ptrace.c52
-rw-r--r--arch/powerpc/kernel/sysfs.c2
-rw-r--r--arch/powerpc/kernel/vio.c13
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S10
4 files changed, 14 insertions, 63 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 3e17d154d0d..8b056d2295c 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -256,7 +256,7 @@ static int set_evrregs(struct task_struct *task, unsigned long *data)
#endif /* CONFIG_SPE */
-static void set_single_step(struct task_struct *task)
+void user_enable_single_step(struct task_struct *task)
{
struct pt_regs *regs = task->thread.regs;
@@ -271,7 +271,7 @@ static void set_single_step(struct task_struct *task)
set_tsk_thread_flag(task, TIF_SINGLESTEP);
}
-static void clear_single_step(struct task_struct *task)
+void user_disable_single_step(struct task_struct *task)
{
struct pt_regs *regs = task->thread.regs;
@@ -313,7 +313,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr,
void ptrace_disable(struct task_struct *child)
{
/* make sure the single step bit is not set. */
- clear_single_step(child);
+ user_disable_single_step(child);
}
/*
@@ -445,52 +445,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
- case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
- case PTRACE_CONT: { /* restart after signal. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- if (request == PTRACE_SYSCALL)
- set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- else
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- child->exit_code = data;
- /* make sure the single step bit is not set. */
- clear_single_step(child);
- wake_up_process(child);
- ret = 0;
- break;
- }
-
-/*
- * make the child exit. Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
- case PTRACE_KILL: {
- ret = 0;
- if (child->exit_state == EXIT_ZOMBIE) /* already dead */
- break;
- child->exit_code = SIGKILL;
- /* make sure the single step bit is not set. */
- clear_single_step(child);
- wake_up_process(child);
- break;
- }
-
- case PTRACE_SINGLESTEP: { /* set the trap flag. */
- ret = -EIO;
- if (!valid_signal(data))
- break;
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
- set_single_step(child);
- child->exit_code = data;
- /* give it a chance to run. */
- wake_up_process(child);
- ret = 0;
- break;
- }
-
case PTRACE_GET_DEBUGREG: {
ret = -EINVAL;
/* We only support one DABR and no IABRS at the moment */
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 25d9a96484d..c8127f832df 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -158,7 +158,7 @@ static ssize_t show_##NAME(struct sys_device *dev, char *buf) \
unsigned long val = run_on_cpu(cpu->sysdev.id, read_##NAME, 0); \
return sprintf(buf, "%lx\n", val); \
} \
-static ssize_t __attribute_used__ \
+static ssize_t __used \
store_##NAME(struct sys_device *dev, const char *buf, size_t count) \
{ \
struct cpu *cpu = container_of(dev, struct cpu, sysdev); \
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 19a5656001c..f0bad7070fb 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -37,8 +37,6 @@
#include <asm/iseries/hv_call_xm.h>
#include <asm/iseries/iommu.h>
-extern struct kset devices_subsys; /* needed for vio_find_name() */
-
static struct bus_type vio_bus_type;
static struct vio_dev vio_bus_device = { /* fake "parent" device */
@@ -361,19 +359,16 @@ EXPORT_SYMBOL(vio_get_attribute);
#ifdef CONFIG_PPC_PSERIES
/* vio_find_name() - internal because only vio.c knows how we formatted the
* kobject name
- * XXX once vio_bus_type.devices is actually used as a kset in
- * drivers/base/bus.c, this function should be removed in favor of
- * "device_find(kobj_name, &vio_bus_type)"
*/
-static struct vio_dev *vio_find_name(const char *kobj_name)
+static struct vio_dev *vio_find_name(const char *name)
{
- struct kobject *found;
+ struct device *found;
- found = kset_find_obj(&devices_subsys, kobj_name);
+ found = bus_find_device_by_name(&vio_bus_type, NULL, name);
if (!found)
return NULL;
- return to_vio_dev(container_of(found, struct device, kobj));
+ return to_vio_dev(found);
}
/**
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index f66fa5d966b..0afb9e31d2a 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -23,7 +23,7 @@ SECTIONS
/* Sections to be discarded. */
/DISCARD/ : {
*(.exitcall.exit)
- *(.exit.data)
+ EXIT_DATA
}
. = KERNELBASE;
@@ -76,17 +76,19 @@ SECTIONS
.init.text : {
_sinittext = .;
- *(.init.text)
+ INIT_TEXT
_einittext = .;
}
/* .exit.text is discarded at runtime, not link time,
* to deal with references from __bug_table
*/
- .exit.text : { *(.exit.text) }
+ .exit.text : {
+ EXIT_TEXT
+ }
.init.data : {
- *(.init.data);
+ INIT_DATA
__vtop_table_begin = .;
*(.vtop_fixup);
__vtop_table_end = .;