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authorThomas Gleixner <tglx@linutronix.de>2011-02-22 18:24:26 +0100
committerThomas Gleixner <tglx@linutronix.de>2011-02-22 18:41:48 +0100
commit695884fb8acd9857e0e7120ccb2150e30f4b8fef (patch)
tree49aa424c1a021ce432e9fa5ea29d37a23e4e30cc /arch/um
parent5df91509d324d44cfb11e55d9cb02fe18b53b045 (diff)
parent04bea68b2f0eeebb089ecc67b618795925268b4a (diff)
Merge branch 'devicetree/for-x86' of git://git.secretlab.ca/git/linux-2.6 into x86/platform
Reason: x86 devicetree support for ce4100 depends on those device tree changes scheduled for .39. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/Kconfig.common6
-rw-r--r--arch/um/Kconfig.um5
-rw-r--r--arch/um/defconfig2
-rw-r--r--arch/um/drivers/line.c9
-rw-r--r--arch/um/drivers/mmapper_kern.c9
-rw-r--r--arch/um/include/asm/ptrace-generic.h4
-rw-r--r--arch/um/kernel/exec.c1
-rw-r--r--arch/um/kernel/ptrace.c2
-rw-r--r--arch/um/kernel/skas/mmu.c2
9 files changed, 14 insertions, 26 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 049d048b070..e351e14b433 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -3,14 +3,10 @@ config DEFCONFIG_LIST
option defconfig_list
default "arch/$ARCH/defconfig"
-# UML uses the generic IRQ subsystem
-config GENERIC_HARDIRQS
- bool
- default y
-
config UML
bool
default y
+ select HAVE_GENERIC_HARDIRQS
config MMU
bool
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um
index 50d6aa20c35..90a438acbfa 100644
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig.um
@@ -120,9 +120,6 @@ config SMP
If you don't know what to do, say N.
-config GENERIC_HARDIRQS_NO__DO_IRQ
- def_bool y
-
config NR_CPUS
int "Maximum number of CPUs (2-32)"
range 2 32
@@ -131,7 +128,7 @@ config NR_CPUS
config HIGHMEM
bool "Highmem support (EXPERIMENTAL)"
- depends on !64BIT && EXPERIMENTAL
+ depends on !64BIT && BROKEN
default n
help
This was used to allow UML to run with big amounts of memory.
diff --git a/arch/um/defconfig b/arch/um/defconfig
index 564f3de65b4..9f7634f08cf 100644
--- a/arch/um/defconfig
+++ b/arch/um/defconfig
@@ -133,7 +133,7 @@ CONFIG_SYSFS_DEPRECATED=y
# CONFIG_BLK_DEV_INITRD is not set
CONFIG_CC_OPTIMIZE_FOR_SIZE=y
CONFIG_SYSCTL=y
-# CONFIG_EMBEDDED is not set
+# CONFIG_EXPERT is not set
CONFIG_UID16=y
CONFIG_SYSCTL_SYSCALL=y
CONFIG_KALLSYMS=y
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 7f7338c9078..050e4ddbbb6 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -727,6 +727,9 @@ struct winch {
static void free_winch(struct winch *winch, int free_irq_ok)
{
+ if (free_irq_ok)
+ free_irq(WINCH_IRQ, winch);
+
list_del(&winch->list);
if (winch->pid != -1)
@@ -735,8 +738,6 @@ static void free_winch(struct winch *winch, int free_irq_ok)
os_close_file(winch->fd);
if (winch->stack != 0)
free_stack(winch->stack, 0);
- if (free_irq_ok)
- free_irq(WINCH_IRQ, winch);
kfree(winch);
}
@@ -820,12 +821,12 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
static void unregister_winch(struct tty_struct *tty)
{
- struct list_head *ele;
+ struct list_head *ele, *next;
struct winch *winch;
spin_lock(&winch_handler_lock);
- list_for_each(ele, &winch_handlers) {
+ list_for_each_safe(ele, next, &winch_handlers) {
winch = list_entry(ele, struct winch, list);
if (winch->tty == tty) {
free_winch(winch, 1);
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index 8501e7d0015..7e0619c2c2c 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -37,13 +37,7 @@ static ssize_t mmapper_write(struct file *file, const char __user *buf,
if (*ppos > mmapper_size)
return -EINVAL;
- if (count > mmapper_size - *ppos)
- count = mmapper_size - *ppos;
-
- if (copy_from_user(&v_buf[*ppos], buf, count))
- return -EFAULT;
-
- return count;
+ return simple_write_to_buffer(v_buf, mmapper_size, ppos, buf, count);
}
static long mmapper_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
@@ -137,3 +131,4 @@ module_exit(mmapper_exit);
MODULE_AUTHOR("Greg Lonnon <glonnon@ridgerun.com>");
MODULE_DESCRIPTION("DSPLinux simulator mmapper driver");
+MODULE_LICENSE("GPL");
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 2cd899f75a3..b7c5bab9bd7 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -38,8 +38,8 @@ struct pt_regs {
struct task_struct;
-extern long subarch_ptrace(struct task_struct *child, long request, long addr,
- long data);
+extern long subarch_ptrace(struct task_struct *child, long request,
+ unsigned long addr, unsigned long data);
extern unsigned long getreg(struct task_struct *child, int regno);
extern int putreg(struct task_struct *child, int regno, unsigned long value);
extern int get_fpregs(struct user_i387_struct __user *buf,
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 340268be00b..09bd7b58572 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -5,7 +5,6 @@
#include "linux/stddef.h"
#include "linux/fs.h"
-#include "linux/smp_lock.h"
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "linux/slab.h"
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index a5e33f29bbe..701b672c112 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -122,7 +122,7 @@ long arch_ptrace(struct task_struct *child, long request,
break;
case PTRACE_SET_THREAD_AREA:
- ret = ptrace_set_thread_area(child, addr, datavp);
+ ret = ptrace_set_thread_area(child, addr, vp);
break;
case PTRACE_FAULTINFO: {
diff --git a/arch/um/kernel/skas/mmu.c b/arch/um/kernel/skas/mmu.c
index 3d099f97478..1aee587e9c5 100644
--- a/arch/um/kernel/skas/mmu.c
+++ b/arch/um/kernel/skas/mmu.c
@@ -31,7 +31,7 @@ static int init_stub_pte(struct mm_struct *mm, unsigned long proc,
if (!pmd)
goto out_pmd;
- pte = pte_alloc_map(mm, pmd, proc);
+ pte = pte_alloc_map(mm, NULL, pmd, proc);
if (!pte)
goto out_pte;