summaryrefslogtreecommitdiff
path: root/arch/um
diff options
context:
space:
mode:
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/Kconfig.common4
-rw-r--r--arch/um/drivers/chan_kern.c8
-rw-r--r--arch/um/drivers/harddog_kern.c14
-rw-r--r--arch/um/drivers/hostaudio_kern.c32
-rw-r--r--arch/um/drivers/mconsole_kern.c3
-rw-r--r--arch/um/drivers/mmapper_kern.c1
-rw-r--r--arch/um/drivers/net_kern.c17
-rw-r--r--arch/um/drivers/random.c1
-rw-r--r--arch/um/drivers/ubd_kern.c17
-rw-r--r--arch/um/include/asm/dma-mapping.h8
-rw-r--r--arch/um/include/asm/pgtable-3level.h4
-rw-r--r--arch/um/include/shared/os.h3
-rw-r--r--arch/um/kernel/exec.c13
-rw-r--r--arch/um/kernel/internal.h2
-rw-r--r--arch/um/kernel/irq.c6
-rw-r--r--arch/um/kernel/ksyms.c3
-rw-r--r--arch/um/kernel/ptrace.c21
-rw-r--r--arch/um/kernel/syscall.c8
-rw-r--r--arch/um/kernel/time.c16
-rw-r--r--arch/um/os-Linux/file.c15
-rw-r--r--arch/um/os-Linux/user_syms.c4
21 files changed, 104 insertions, 96 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 0d207e73a758..7c8e277f6d34 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -55,10 +55,6 @@ config GENERIC_BUG
default y
depends on BUG
-config GENERIC_TIME
- bool
- default y
-
config GENERIC_CLOCKEVENTS
bool
default y
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 6e51424745ab..25e1965df7ce 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -210,9 +210,9 @@ void free_irqs(void)
list_for_each(ele, &list) {
chan = list_entry(ele, struct chan, free_list);
- if (chan->input)
+ if (chan->input && chan->enabled)
free_irq(chan->line->driver->read_irq, chan);
- if (chan->output)
+ if (chan->output && chan->enabled)
free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
@@ -231,9 +231,9 @@ static void close_one_chan(struct chan *chan, int delay_free_irq)
spin_unlock_irqrestore(&irqs_to_free_lock, flags);
}
else {
- if (chan->input)
+ if (chan->input && chan->enabled)
free_irq(chan->line->driver->read_irq, chan);
- if (chan->output)
+ if (chan->output && chan->enabled)
free_irq(chan->line->driver->write_irq, chan);
chan->enabled = 0;
}
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index cfcac1ff4cf2..2d0266d0254d 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -42,7 +42,7 @@
#include <linux/miscdevice.h>
#include <linux/watchdog.h>
#include <linux/reboot.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <asm/uaccess.h>
@@ -50,6 +50,7 @@
MODULE_LICENSE("GPL");
+static DEFINE_MUTEX(harddog_mutex);
static DEFINE_SPINLOCK(lock);
static int timer_alive;
static int harddog_in_fd = -1;
@@ -66,7 +67,7 @@ static int harddog_open(struct inode *inode, struct file *file)
int err = -EBUSY;
char *sock = NULL;
- lock_kernel();
+ mutex_lock(&harddog_mutex);
spin_lock(&lock);
if(timer_alive)
goto err;
@@ -83,11 +84,11 @@ static int harddog_open(struct inode *inode, struct file *file)
timer_alive = 1;
spin_unlock(&lock);
- unlock_kernel();
+ mutex_unlock(&harddog_mutex);
return nonseekable_open(inode, file);
err:
spin_unlock(&lock);
- unlock_kernel();
+ mutex_unlock(&harddog_mutex);
return err;
}
@@ -153,9 +154,9 @@ static long harddog_ioctl(struct file *file,
{
long ret;
- lock_kernel();
+ mutex_lock(&harddog_mutex);
ret = harddog_ioctl_unlocked(file, cmd, arg);
- unlock_kernel();
+ mutex_unlock(&harddog_mutex);
return ret;
}
@@ -166,6 +167,7 @@ static const struct file_operations harddog_fops = {
.unlocked_ioctl = harddog_ioctl,
.open = harddog_open,
.release = harddog_release,
+ .llseek = no_llseek,
};
static struct miscdevice harddog_miscdev = {
diff --git a/arch/um/drivers/hostaudio_kern.c b/arch/um/drivers/hostaudio_kern.c
index ae42695c3597..f9f6a4e20590 100644
--- a/arch/um/drivers/hostaudio_kern.c
+++ b/arch/um/drivers/hostaudio_kern.c
@@ -8,6 +8,7 @@
#include "linux/slab.h"
#include "linux/sound.h"
#include "linux/soundcard.h"
+#include "linux/mutex.h"
#include "asm/uaccess.h"
#include "init.h"
#include "os.h"
@@ -39,6 +40,11 @@ static char *mixer = HOSTAUDIO_DEV_MIXER;
" This is used to specify the host mixer device to the hostaudio driver.\n"\
" The default is \"" HOSTAUDIO_DEV_MIXER "\".\n\n"
+module_param(dsp, charp, 0644);
+MODULE_PARM_DESC(dsp, DSP_HELP);
+module_param(mixer, charp, 0644);
+MODULE_PARM_DESC(mixer, MIXER_HELP);
+
#ifndef MODULE
static int set_dsp(char *name, int *add)
{
@@ -55,17 +61,10 @@ static int set_mixer(char *name, int *add)
}
__uml_setup("mixer=", set_mixer, "mixer=<mixer device>\n" MIXER_HELP);
-
-#else /*MODULE*/
-
-module_param(dsp, charp, 0644);
-MODULE_PARM_DESC(dsp, DSP_HELP);
-
-module_param(mixer, charp, 0644);
-MODULE_PARM_DESC(mixer, MIXER_HELP);
-
#endif
+static DEFINE_MUTEX(hostaudio_mutex);
+
/* /dev/dsp file operations */
static ssize_t hostaudio_read(struct file *file, char __user *buffer,
@@ -186,7 +185,9 @@ static int hostaudio_open(struct inode *inode, struct file *file)
int ret;
#ifdef DEBUG
+ kparam_block_sysfs_write(dsp);
printk(KERN_DEBUG "hostaudio: open called (host: %s)\n", dsp);
+ kparam_unblock_sysfs_write(dsp);
#endif
state = kmalloc(sizeof(struct hostaudio_state), GFP_KERNEL);
@@ -198,7 +199,12 @@ static int hostaudio_open(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ kparam_block_sysfs_write(dsp);
+ mutex_lock(&hostaudio_mutex);
ret = os_open_file(dsp, of_set_rw(OPENFLAGS(), r, w), 0);
+ mutex_unlock(&hostaudio_mutex);
+ kparam_unblock_sysfs_write(dsp);
+
if (ret < 0) {
kfree(state);
return ret;
@@ -254,11 +260,17 @@ static int hostmixer_open_mixdev(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE)
w = 1;
+ kparam_block_sysfs_write(mixer);
+ mutex_lock(&hostaudio_mutex);
ret = os_open_file(mixer, of_set_rw(OPENFLAGS(), r, w), 0);
+ mutex_unlock(&hostaudio_mutex);
+ kparam_unblock_sysfs_write(mixer);
if (ret < 0) {
+ kparam_block_sysfs_write(dsp);
printk(KERN_ERR "hostaudio_open_mixdev failed to open '%s', "
"err = %d\n", dsp, -ret);
+ kparam_unblock_sysfs_write(dsp);
kfree(state);
return ret;
}
@@ -314,8 +326,10 @@ MODULE_LICENSE("GPL");
static int __init hostaudio_init_module(void)
{
+ __kernel_param_lock();
printk(KERN_INFO "UML Audio Relay (host dsp = %s, host mixer = %s)\n",
dsp, mixer);
+ __kernel_param_unlock();
module_data.dev_audio = register_sound_dsp(&hostaudio_fops, -1);
if (module_data.dev_audio < 0) {
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index de317d0c3294..975613b23dcf 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -690,7 +690,7 @@ static void with_console(struct mc_request *req, void (*proc)(void *),
static void sysrq_proc(void *arg)
{
char *op = arg;
- handle_sysrq(*op, NULL);
+ handle_sysrq(*op);
}
void mconsole_sysrq(struct mc_request *req)
@@ -843,6 +843,7 @@ static ssize_t mconsole_proc_write(struct file *file,
static const struct file_operations mconsole_proc_fops = {
.owner = THIS_MODULE,
.write = mconsole_proc_write,
+ .llseek = noop_llseek,
};
static int create_proc_mconsole(void)
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index 7158393b6793..8501e7d0015c 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -93,6 +93,7 @@ static const struct file_operations mmapper_fops = {
.mmap = mmapper_mmap,
.open = mmapper_open,
.release = mmapper_release,
+ .llseek = default_llseek,
};
/*
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 2ab233ba32c1..47d0c37897d5 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -255,18 +255,6 @@ static void uml_net_tx_timeout(struct net_device *dev)
netif_wake_queue(dev);
}
-static int uml_net_set_mac(struct net_device *dev, void *addr)
-{
- struct uml_net_private *lp = netdev_priv(dev);
- struct sockaddr *hwaddr = addr;
-
- spin_lock_irq(&lp->lock);
- eth_mac_addr(dev, hwaddr->sa_data);
- spin_unlock_irq(&lp->lock);
-
- return 0;
-}
-
static int uml_net_change_mtu(struct net_device *dev, int new_mtu)
{
dev->mtu = new_mtu;
@@ -373,7 +361,7 @@ static const struct net_device_ops uml_netdev_ops = {
.ndo_start_xmit = uml_net_start_xmit,
.ndo_set_multicast_list = uml_net_set_multicast_list,
.ndo_tx_timeout = uml_net_tx_timeout,
- .ndo_set_mac_address = uml_net_set_mac,
+ .ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = uml_net_change_mtu,
.ndo_validate_addr = eth_validate_addr,
};
@@ -472,7 +460,8 @@ static void eth_configure(int n, void *init, char *mac,
((*transport->user->init)(&lp->user, dev) != 0))
goto out_unregister;
- eth_mac_addr(dev, device->mac);
+ /* don't use eth_mac_addr, it will not work here */
+ memcpy(dev->dev_addr, device->mac, ETH_ALEN);
dev->mtu = transport->user->mtu;
dev->netdev_ops = &uml_netdev_ops;
dev->ethtool_ops = &uml_net_ethtool_ops;
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index 4949044773ba..981085a93f30 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -100,6 +100,7 @@ static const struct file_operations rng_chrdev_ops = {
.owner = THIS_MODULE,
.open = rng_dev_open,
.read = rng_dev_read,
+ .llseek = noop_llseek,
};
/* rng_init shouldn't be called more than once at boot time */
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index da992a3ad6b7..ba4a98ba39c0 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -33,6 +33,7 @@
#include "linux/mm.h"
#include "linux/slab.h"
#include "linux/vmalloc.h"
+#include "linux/mutex.h"
#include "linux/blkpg.h"
#include "linux/genhd.h"
#include "linux/spinlock.h"
@@ -99,6 +100,7 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
#define DRIVER_NAME "uml-blkdev"
static DEFINE_MUTEX(ubd_lock);
+static DEFINE_MUTEX(ubd_mutex); /* replaces BKL, might not be needed */
static int ubd_open(struct block_device *bdev, fmode_t mode);
static int ubd_release(struct gendisk *disk, fmode_t mode);
@@ -162,6 +164,7 @@ struct ubd {
struct scatterlist sg[MAX_SG];
struct request *request;
int start_sg, end_sg;
+ sector_t rq_pos;
};
#define DEFAULT_COW { \
@@ -186,6 +189,7 @@ struct ubd {
.request = NULL, \
.start_sg = 0, \
.end_sg = 0, \
+ .rq_pos = 0, \
}
/* Protected by ubd_lock */
@@ -1098,6 +1102,7 @@ static int ubd_open(struct block_device *bdev, fmode_t mode)
struct ubd *ubd_dev = disk->private_data;
int err = 0;
+ mutex_lock(&ubd_mutex);
if(ubd_dev->count == 0){
err = ubd_open_dev(ubd_dev);
if(err){
@@ -1115,7 +1120,8 @@ static int ubd_open(struct block_device *bdev, fmode_t mode)
if(--ubd_dev->count == 0) ubd_close_dev(ubd_dev);
err = -EROFS;
}*/
- out:
+out:
+ mutex_unlock(&ubd_mutex);
return err;
}
@@ -1123,8 +1129,10 @@ static int ubd_release(struct gendisk *disk, fmode_t mode)
{
struct ubd *ubd_dev = disk->private_data;
+ mutex_lock(&ubd_mutex);
if(--ubd_dev->count == 0)
ubd_close_dev(ubd_dev);
+ mutex_unlock(&ubd_mutex);
return 0;
}
@@ -1223,7 +1231,6 @@ static void do_ubd_request(struct request_queue *q)
{
struct io_thread_req *io_req;
struct request *req;
- sector_t sector;
int n;
while(1){
@@ -1234,12 +1241,12 @@ static void do_ubd_request(struct request_queue *q)
return;
dev->request = req;
+ dev->rq_pos = blk_rq_pos(req);
dev->start_sg = 0;
dev->end_sg = blk_rq_map_sg(q, req, dev->sg);
}
req = dev->request;
- sector = blk_rq_pos(req);
while(dev->start_sg < dev->end_sg){
struct scatterlist *sg = &dev->sg[dev->start_sg];
@@ -1251,10 +1258,9 @@ static void do_ubd_request(struct request_queue *q)
return;
}
prepare_request(req, io_req,
- (unsigned long long)sector << 9,
+ (unsigned long long)dev->rq_pos << 9,
sg->offset, sg->length, sg_page(sg));
- sector += sg->length >> 9;
n = os_write_file(thread_fd, &io_req,
sizeof(struct io_thread_req *));
if(n != sizeof(struct io_thread_req *)){
@@ -1267,6 +1273,7 @@ static void do_ubd_request(struct request_queue *q)
return;
}
+ dev->rq_pos += sg->length >> 9;
dev->start_sg++;
}
dev->end_sg = 0;
diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h
index b948c14a7867..1f469e80fdd3 100644
--- a/arch/um/include/asm/dma-mapping.h
+++ b/arch/um/include/asm/dma-mapping.h
@@ -94,14 +94,6 @@ dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-#define dma_is_consistent(d, h) (1)
-
-static inline int
-dma_get_cache_alignment(void)
-{
- BUG();
- return(0);
-}
static inline void
dma_cache_sync(struct device *dev, void *vaddr, size_t size,
diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h
index 084de4a9fc70..0032f9212e74 100644
--- a/arch/um/include/asm/pgtable-3level.h
+++ b/arch/um/include/asm/pgtable-3level.h
@@ -60,7 +60,7 @@
set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd)))
#ifdef CONFIG_64BIT
-#define set_pud(pudptr, pudval) set_64bit((phys_t *) (pudptr), pud_val(pudval))
+#define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval))
#else
#define set_pud(pudptr, pudval) (*(pudptr) = (pudval))
#endif
@@ -73,7 +73,7 @@ static inline int pgd_newpage(pgd_t pgd)
static inline void pgd_mkuptodate(pgd_t pgd) { pgd_val(pgd) &= ~_PAGE_NEWPAGE; }
#ifdef CONFIG_64BIT
-#define set_pmd(pmdptr, pmdval) set_64bit((phys_t *) (pmdptr), pmd_val(pmdval))
+#define set_pmd(pmdptr, pmdval) set_64bit((u64 *) (pmdptr), pmd_val(pmdval))
#else
#define set_pmd(pmdptr, pmdval) (*(pmdptr) = (pmdval))
#endif
diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h
index cd40fddcf99d..c4617baaa4f2 100644
--- a/arch/um/include/shared/os.h
+++ b/arch/um/include/shared/os.h
@@ -161,6 +161,9 @@ extern int os_stat_filesystem(char *path, long *bsize_out,
long *spare_out);
extern int os_change_dir(char *dir);
extern int os_fchange_dir(int fd);
+extern unsigned os_major(unsigned long long dev);
+extern unsigned os_minor(unsigned long long dev);
+extern unsigned long long os_makedev(unsigned major, unsigned minor);
/* start_up.c */
extern void os_early_checks(void);
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 97974c1bdd12..340268be00b5 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -44,8 +44,9 @@ void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
PT_REGS_SP(regs) = esp;
}
-static long execve1(char *file, char __user * __user *argv,
- char __user *__user *env)
+static long execve1(const char *file,
+ const char __user *const __user *argv,
+ const char __user *const __user *env)
{
long error;
@@ -61,7 +62,7 @@ static long execve1(char *file, char __user * __user *argv,
return error;
}
-long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
+long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env)
{
long err;
@@ -71,19 +72,17 @@ long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
return err;
}
-long sys_execve(char __user *file, char __user *__user *argv,
- char __user *__user *env)
+long sys_execve(const char __user *file, const char __user *const __user *argv,
+ const char __user *const __user *env)
{
long error;
char *filename;
- lock_kernel();
filename = getname(file);
error = PTR_ERR(filename);
if (IS_ERR(filename)) goto out;
error = execve1(filename, argv, env);
putname(filename);
out:
- unlock_kernel();
return error;
}
diff --git a/arch/um/kernel/internal.h b/arch/um/kernel/internal.h
index 3bda43c7a786..5bf97db24a04 100644
--- a/arch/um/kernel/internal.h
+++ b/arch/um/kernel/internal.h
@@ -1 +1 @@
-extern long um_execve(char *file, char __user *__user *argv, char __user *__user *env);
+extern long um_execve(const char *file, const char __user *const __user *argv, const char __user *const __user *env);
diff --git a/arch/um/kernel/irq.c b/arch/um/kernel/irq.c
index a3f0b04d7101..a746e3037a5b 100644
--- a/arch/um/kernel/irq.c
+++ b/arch/um/kernel/irq.c
@@ -46,7 +46,7 @@ int show_interrupts(struct seq_file *p, void *v)
for_each_online_cpu(j)
seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
#endif
- seq_printf(p, " %14s", irq_desc[i].chip->typename);
+ seq_printf(p, " %14s", irq_desc[i].chip->name);
seq_printf(p, " %s", action->name);
for (action=action->next; action; action = action->next)
@@ -369,7 +369,7 @@ static void dummy(unsigned int irq)
/* This is used for everything else than the timer. */
static struct irq_chip normal_irq_type = {
- .typename = "SIGIO",
+ .name = "SIGIO",
.release = free_irq_by_irq_and_dev,
.disable = dummy,
.enable = dummy,
@@ -378,7 +378,7 @@ static struct irq_chip normal_irq_type = {
};
static struct irq_chip SIGVTALRM_irq_type = {
- .typename = "SIGVTALRM",
+ .name = "SIGVTALRM",
.release = free_irq_by_irq_and_dev,
.shutdown = dummy, /* never called */
.disable = dummy,
diff --git a/arch/um/kernel/ksyms.c b/arch/um/kernel/ksyms.c
index 836fc9b94707..0ae0dfcfbffb 100644
--- a/arch/um/kernel/ksyms.c
+++ b/arch/um/kernel/ksyms.c
@@ -58,6 +58,9 @@ EXPORT_SYMBOL(os_accept_connection);
EXPORT_SYMBOL(os_rcv_fd);
EXPORT_SYMBOL(run_helper);
EXPORT_SYMBOL(start_thread);
+EXPORT_SYMBOL(os_major);
+EXPORT_SYMBOL(os_minor);
+EXPORT_SYMBOL(os_makedev);
EXPORT_SYMBOL(add_sigio_fd);
EXPORT_SYMBOL(ignore_sigio_fd);
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 484509948ee9..e0510496596c 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -7,9 +7,6 @@
#include "linux/ptrace.h"
#include "linux/sched.h"
#include "asm/uaccess.h"
-#ifdef CONFIG_PROC_MM
-#include "proc_mm.h"
-#endif
#include "skas_ptrace.h"
@@ -158,24 +155,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
break;
}
#endif
-#ifdef CONFIG_PROC_MM
- case PTRACE_SWITCH_MM: {
- struct mm_struct *old = child->mm;
- struct mm_struct *new = proc_mm_get_mm(data);
-
- if (IS_ERR(new)) {
- ret = PTR_ERR(new);
- break;
- }
-
- atomic_inc(&new->mm_users);
- child->mm = new;
- child->active_mm = new;
- mmput(old);
- ret = 0;
- break;
- }
-#endif
#ifdef PTRACE_ARCH_PRCTL
case PTRACE_ARCH_PRCTL:
/* XXX Calls ptrace on the host - needs some SMP thinking */
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index 4393173923f5..f958cb876ee3 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -51,15 +51,17 @@ long old_mmap(unsigned long addr, unsigned long len,
return err;
}
-int kernel_execve(const char *filename, char *const argv[], char *const envp[])
+int kernel_execve(const char *filename,
+ const char *const argv[],
+ const char *const envp[])
{
mm_segment_t fs;
int ret;
fs = get_fs();
set_fs(KERNEL_DS);
- ret = um_execve((char *)filename, (char __user *__user *)argv,
- (char __user *__user *) envp);
+ ret = um_execve(filename, (const char __user *const __user *)argv,
+ (const char __user *const __user *) envp);
set_fs(fs);
return ret;
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index c8b9c469fcd7..a08d9fab81f2 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -102,16 +102,16 @@ static void __init setup_itimer(void)
clockevents_register_device(&itimer_clockevent);
}
-void __init time_init(void)
+void read_persistent_clock(struct timespec *ts)
{
- long long nsecs;
-
- timer_init();
+ long long nsecs = os_nsecs();
- nsecs = os_nsecs();
- set_normalized_timespec(&wall_to_monotonic, -nsecs / NSEC_PER_SEC,
- -nsecs % NSEC_PER_SEC);
- set_normalized_timespec(&xtime, nsecs / NSEC_PER_SEC,
+ set_normalized_timespec(ts, nsecs / NSEC_PER_SEC,
nsecs % NSEC_PER_SEC);
+}
+
+void __init time_init(void)
+{
+ timer_init();
late_time_init = setup_itimer;
}
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index b5afcfd0f861..140e587bc0ad 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -561,3 +561,18 @@ int os_lock_file(int fd, int excl)
out:
return err;
}
+
+unsigned os_major(unsigned long long dev)
+{
+ return major(dev);
+}
+
+unsigned os_minor(unsigned long long dev)
+{
+ return minor(dev);
+}
+
+unsigned long long os_makedev(unsigned major, unsigned minor)
+{
+ return makedev(major, minor);
+}
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 89b48a116a89..05f5ea8e83d2 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -103,6 +103,10 @@ EXPORT_SYMBOL_PROTO(getuid);
EXPORT_SYMBOL_PROTO(fsync);
EXPORT_SYMBOL_PROTO(fdatasync);
+EXPORT_SYMBOL_PROTO(lstat64);
+EXPORT_SYMBOL_PROTO(fstat64);
+EXPORT_SYMBOL_PROTO(mknod);
+
/* Export symbols used by GCC for the stack protector. */
extern void __stack_smash_handler(void *) __attribute__((weak));
EXPORT_SYMBOL(__stack_smash_handler);
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-16 10:29:51 +0000