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-rw-r--r--arch/um/Kconfig.common1
-rw-r--r--arch/um/Kconfig.net2
-rw-r--r--arch/um/Kconfig.um8
-rw-r--r--arch/um/drivers/chan.h5
-rw-r--r--arch/um/drivers/chan_kern.c27
-rw-r--r--arch/um/drivers/chan_user.c12
-rw-r--r--arch/um/drivers/chan_user.h6
-rw-r--r--arch/um/drivers/line.c57
-rw-r--r--arch/um/drivers/mconsole_kern.c5
-rw-r--r--arch/um/drivers/net_kern.c24
-rw-r--r--arch/um/drivers/ssl.c1
-rw-r--r--arch/um/drivers/stdio_console.c1
-rw-r--r--arch/um/drivers/ubd_kern.c5
-rw-r--r--arch/um/include/shared/common-offsets.h4
-rw-r--r--arch/um/include/shared/net_kern.h1
-rw-r--r--arch/um/kernel/early_printk.c8
-rw-r--r--arch/um/kernel/mem.c26
-rw-r--r--arch/um/kernel/process.c27
-rw-r--r--arch/um/kernel/signal.c10
-rw-r--r--arch/um/kernel/sysrq.c12
-rw-r--r--arch/um/os-Linux/signal.c2
-rw-r--r--arch/um/os-Linux/start_up.c2
-rw-r--r--arch/um/os-Linux/time.c2
-rw-r--r--arch/um/sys-ppc/sysrq.c2
24 files changed, 89 insertions, 161 deletions
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 648121b..bceee66 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -12,6 +12,7 @@ config UML
select GENERIC_CPU_DEVICES
select GENERIC_IO
select GENERIC_CLOCKEVENTS
+ select TTY # Needed for line.c
config MMU
bool
diff --git a/arch/um/Kconfig.net b/arch/um/Kconfig.net
index 3160b1a..820a56f 100644
--- a/arch/um/Kconfig.net
+++ b/arch/um/Kconfig.net
@@ -157,7 +157,7 @@ config UML_NET_MCAST
config UML_NET_PCAP
bool "pcap transport"
- depends on UML_NET && EXPERIMENTAL
+ depends on UML_NET
help
The pcap transport makes a pcap packet stream on the host look
like an ethernet device inside UML. This is useful for making
diff --git a/arch/um/Kconfig.um b/arch/um/Kconfig.um
index bf87f25..a7520c9 100644
--- a/arch/um/Kconfig.um
+++ b/arch/um/Kconfig.um
@@ -45,8 +45,8 @@ config HOSTFS
say Y or M here; otherwise say N.
config HPPFS
- tristate "HoneyPot ProcFS (EXPERIMENTAL)"
- depends on EXPERIMENTAL && PROC_FS
+ tristate "HoneyPot ProcFS"
+ depends on PROC_FS
help
hppfs (HoneyPot ProcFS) is a filesystem which allows UML /proc
entries to be overridden, removed, or fabricated from the host.
@@ -96,7 +96,7 @@ config MAGIC_SYSRQ
unless you really know what this hack does.
config SMP
- bool "Symmetric multi-processing support (EXPERIMENTAL)"
+ bool "Symmetric multi-processing support"
default n
depends on BROKEN
help
@@ -126,7 +126,7 @@ config NR_CPUS
default "32"
config HIGHMEM
- bool "Highmem support (EXPERIMENTAL)"
+ bool "Highmem support"
depends on !64BIT && BROKEN
default n
help
diff --git a/arch/um/drivers/chan.h b/arch/um/drivers/chan.h
index 02b5a76..c512b03 100644
--- a/arch/um/drivers/chan.h
+++ b/arch/um/drivers/chan.h
@@ -27,8 +27,7 @@ struct chan {
void *data;
};
-extern void chan_interrupt(struct line *line,
- struct tty_struct *tty, int irq);
+extern void chan_interrupt(struct line *line, int irq);
extern int parse_chan_pair(char *str, struct line *line, int device,
const struct chan_opts *opts, char **error_out);
extern int write_chan(struct chan *chan, const char *buf, int len,
@@ -38,7 +37,7 @@ extern int console_write_chan(struct chan *chan, const char *buf,
extern int console_open_chan(struct line *line, struct console *co);
extern void deactivate_chan(struct chan *chan, int irq);
extern void reactivate_chan(struct chan *chan, int irq);
-extern void chan_enable_winch(struct chan *chan, struct tty_struct *tty);
+extern void chan_enable_winch(struct chan *chan, struct tty_port *port);
extern int enable_chan(struct line *line);
extern void close_chan(struct line *line);
extern int chan_window_size(struct line *line,
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index e9a0abc..acbe6c6 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -81,12 +81,6 @@ static const struct chan_ops not_configged_ops = {
};
#endif /* CONFIG_NOCONFIG_CHAN */
-static void tty_receive_char(struct tty_struct *tty, char ch)
-{
- if (tty)
- tty_insert_flip_char(tty, ch, TTY_NORMAL);
-}
-
static int open_one_chan(struct chan *chan)
{
int fd, err;
@@ -128,20 +122,18 @@ static int open_chan(struct list_head *chans)
return err;
}
-void chan_enable_winch(struct chan *chan, struct tty_struct *tty)
+void chan_enable_winch(struct chan *chan, struct tty_port *port)
{
if (chan && chan->primary && chan->ops->winch)
- register_winch(chan->fd, tty);
+ register_winch(chan->fd, port);
}
static void line_timer_cb(struct work_struct *work)
{
struct line *line = container_of(work, struct line, task.work);
- struct tty_struct *tty = tty_port_tty_get(&line->port);
if (!line->throttled)
- chan_interrupt(line, tty, line->driver->read_irq);
- tty_kref_put(tty);
+ chan_interrupt(line, line->driver->read_irq);
}
int enable_chan(struct line *line)
@@ -552,8 +544,9 @@ int parse_chan_pair(char *str, struct line *line, int device,
return 0;
}
-void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
+void chan_interrupt(struct line *line, int irq)
{
+ struct tty_port *port = &line->port;
struct chan *chan = line->chan_in;
int err;
char c;
@@ -562,21 +555,20 @@ void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
goto out;
do {
- if (tty && !tty_buffer_request_room(tty, 1)) {
+ if (!tty_buffer_request_room(port, 1)) {
schedule_delayed_work(&line->task, 1);
goto out;
}
err = chan->ops->read(chan->fd, &c, chan->data);
if (err > 0)
- tty_receive_char(tty, c);
+ tty_insert_flip_char(port, c, TTY_NORMAL);
} while (err > 0);
if (err == 0)
reactivate_fd(chan->fd, irq);
if (err == -EIO) {
if (chan->primary) {
- if (tty != NULL)
- tty_hangup(tty);
+ tty_port_tty_hangup(&line->port, false);
if (line->chan_out != chan)
close_one_chan(line->chan_out, 1);
}
@@ -585,6 +577,5 @@ void chan_interrupt(struct line *line, struct tty_struct *tty, int irq)
return;
}
out:
- if (tty)
- tty_flip_buffer_push(tty);
+ tty_flip_buffer_push(port);
}
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 9be670a..3fd7c3e 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -216,7 +216,7 @@ static int winch_thread(void *arg)
}
}
-static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out,
+static int winch_tramp(int fd, struct tty_port *port, int *fd_out,
unsigned long *stack_out)
{
struct winch_data data;
@@ -271,7 +271,7 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out,
return err;
}
-void register_winch(int fd, struct tty_struct *tty)
+void register_winch(int fd, struct tty_port *port)
{
unsigned long stack;
int pid, thread, count, thread_fd = -1;
@@ -281,17 +281,17 @@ void register_winch(int fd, struct tty_struct *tty)
return;
pid = tcgetpgrp(fd);
- if (is_skas_winch(pid, fd, tty)) {
- register_winch_irq(-1, fd, -1, tty, 0);
+ if (is_skas_winch(pid, fd, port)) {
+ register_winch_irq(-1, fd, -1, port, 0);
return;
}
if (pid == -1) {
- thread = winch_tramp(fd, tty, &thread_fd, &stack);
+ thread = winch_tramp(fd, port, &thread_fd, &stack);
if (thread < 0)
return;
- register_winch_irq(thread_fd, fd, thread, tty, stack);
+ register_winch_irq(thread_fd, fd, thread, port, stack);
count = write(thread_fd, &c, sizeof(c));
if (count != sizeof(c))
diff --git a/arch/um/drivers/chan_user.h b/arch/um/drivers/chan_user.h
index dc693298..03f1b56 100644
--- a/arch/um/drivers/chan_user.h
+++ b/arch/um/drivers/chan_user.h
@@ -38,10 +38,10 @@ extern int generic_window_size(int fd, void *unused, unsigned short *rows_out,
unsigned short *cols_out);
extern void generic_free(void *data);
-struct tty_struct;
-extern void register_winch(int fd, struct tty_struct *tty);
+struct tty_port;
+extern void register_winch(int fd, struct tty_port *port);
extern void register_winch_irq(int fd, int tty_fd, int pid,
- struct tty_struct *tty, unsigned long stack);
+ struct tty_port *port, unsigned long stack);
#define __channel_help(fn, prefix) \
__uml_help(fn, prefix "[0-9]*=<channel description>\n" \
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 9ffc28b..8035145 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -19,11 +19,10 @@ static irqreturn_t line_interrupt(int irq, void *data)
{
struct chan *chan = data;
struct line *line = chan->line;
- struct tty_struct *tty = tty_port_tty_get(&line->port);
if (line)
- chan_interrupt(line, tty, irq);
- tty_kref_put(tty);
+ chan_interrupt(line, irq);
+
return IRQ_HANDLED;
}
@@ -234,7 +233,7 @@ void line_unthrottle(struct tty_struct *tty)
struct line *line = tty->driver_data;
line->throttled = 0;
- chan_interrupt(line, tty, line->driver->read_irq);
+ chan_interrupt(line, line->driver->read_irq);
/*
* Maybe there is enough stuff pending that calling the interrupt
@@ -249,7 +248,6 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
{
struct chan *chan = data;
struct line *line = chan->line;
- struct tty_struct *tty;
int err;
/*
@@ -268,12 +266,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
}
spin_unlock(&line->lock);
- tty = tty_port_tty_get(&line->port);
- if (tty == NULL)
- return IRQ_NONE;
-
- tty_wakeup(tty);
- tty_kref_put(tty);
+ tty_port_tty_wakeup(&line->port);
return IRQ_HANDLED;
}
@@ -306,7 +299,7 @@ static int line_activate(struct tty_port *port, struct tty_struct *tty)
return ret;
if (!line->sigio) {
- chan_enable_winch(line->chan_out, tty);
+ chan_enable_winch(line->chan_out, port);
line->sigio = 1;
}
@@ -316,8 +309,22 @@ static int line_activate(struct tty_port *port, struct tty_struct *tty)
return 0;
}
+static void unregister_winch(struct tty_struct *tty);
+
+static void line_destruct(struct tty_port *port)
+{
+ struct tty_struct *tty = tty_port_tty_get(port);
+ struct line *line = tty->driver_data;
+
+ if (line->sigio) {
+ unregister_winch(tty);
+ line->sigio = 0;
+ }
+}
+
static const struct tty_port_operations line_port_ops = {
.activate = line_activate,
+ .destruct = line_destruct,
};
int line_open(struct tty_struct *tty, struct file *filp)
@@ -341,18 +348,6 @@ int line_install(struct tty_driver *driver, struct tty_struct *tty,
return 0;
}
-static void unregister_winch(struct tty_struct *tty);
-
-void line_cleanup(struct tty_struct *tty)
-{
- struct line *line = tty->driver_data;
-
- if (line->sigio) {
- unregister_winch(tty);
- line->sigio = 0;
- }
-}
-
void line_close(struct tty_struct *tty, struct file * filp)
{
struct line *line = tty->driver_data;
@@ -602,7 +597,7 @@ struct winch {
int fd;
int tty_fd;
int pid;
- struct tty_struct *tty;
+ struct tty_port *port;
unsigned long stack;
struct work_struct work;
};
@@ -656,7 +651,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
goto out;
}
}
- tty = winch->tty;
+ tty = tty_port_tty_get(winch->port);
if (tty != NULL) {
line = tty->driver_data;
if (line != NULL) {
@@ -664,6 +659,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
&tty->winsize.ws_col);
kill_pgrp(tty->pgrp, SIGWINCH, 1);
}
+ tty_kref_put(tty);
}
out:
if (winch->fd != -1)
@@ -671,7 +667,7 @@ static irqreturn_t winch_interrupt(int irq, void *data)
return IRQ_HANDLED;
}
-void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
+void register_winch_irq(int fd, int tty_fd, int pid, struct tty_port *port,
unsigned long stack)
{
struct winch *winch;
@@ -686,7 +682,7 @@ void register_winch_irq(int fd, int tty_fd, int pid, struct tty_struct *tty,
.fd = fd,
.tty_fd = tty_fd,
.pid = pid,
- .tty = tty,
+ .port = port,
.stack = stack });
if (um_request_irq(WINCH_IRQ, fd, IRQ_READ, winch_interrupt,
@@ -715,15 +711,18 @@ static void unregister_winch(struct tty_struct *tty)
{
struct list_head *ele, *next;
struct winch *winch;
+ struct tty_struct *wtty;
spin_lock(&winch_handler_lock);
list_for_each_safe(ele, next, &winch_handlers) {
winch = list_entry(ele, struct winch, list);
- if (winch->tty == tty) {
+ wtty = tty_port_tty_get(winch->port);
+ if (wtty == tty) {
free_winch(winch);
break;
}
+ tty_kref_put(wtty);
}
spin_unlock(&winch_handler_lock);
}
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 4bd82ac..3df3bd5 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -147,7 +147,7 @@ void mconsole_proc(struct mc_request *req)
}
do {
- loff_t pos;
+ loff_t pos = file->f_pos;
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
len = vfs_read(file, buf, PAGE_SIZE - 1, &pos);
@@ -782,8 +782,7 @@ static int create_proc_mconsole(void)
ent = proc_create("mconsole", 0200, NULL, &mconsole_proc_fops);
if (ent == NULL) {
- printk(KERN_INFO "create_proc_mconsole : create_proc_entry "
- "failed\n");
+ printk(KERN_INFO "create_proc_mconsole : proc_create failed\n");
return 0;
}
return 0;
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index a95ba87..39f1862 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -218,6 +218,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev)
spin_lock_irqsave(&lp->lock, flags);
len = (*lp->write)(lp->fd, skb, lp);
+ skb_tx_timestamp(skb);
if (len == skb->len) {
dev->stats.tx_packets++;
@@ -281,6 +282,7 @@ static void uml_net_get_drvinfo(struct net_device *dev,
static const struct ethtool_ops uml_net_ethtool_ops = {
.get_drvinfo = uml_net_get_drvinfo,
.get_link = ethtool_op_get_link,
+ .get_ts_info = ethtool_op_get_ts_info,
};
static void uml_net_user_timer_expire(unsigned long _conn)
@@ -293,8 +295,9 @@ static void uml_net_user_timer_expire(unsigned long _conn)
#endif
}
-static int setup_etheraddr(char *str, unsigned char *addr, char *name)
+static void setup_etheraddr(struct net_device *dev, char *str)
{
+ unsigned char *addr = dev->dev_addr;
char *end;
int i;
@@ -334,13 +337,12 @@ static int setup_etheraddr(char *str, unsigned char *addr, char *name)
addr[0] | 0x02, addr[1], addr[2], addr[3], addr[4],
addr[5]);
}
- return 0;
+ return;
random:
printk(KERN_INFO
- "Choosing a random ethernet address for device %s\n", name);
- eth_random_addr(addr);
- return 1;
+ "Choosing a random ethernet address for device %s\n", dev->name);
+ eth_hw_addr_random(dev);
}
static DEFINE_SPINLOCK(devices_lock);
@@ -392,7 +394,6 @@ static void eth_configure(int n, void *init, char *mac,
struct net_device *dev;
struct uml_net_private *lp;
int err, size;
- int random_mac;
size = transport->private_size + sizeof(struct uml_net_private);
@@ -419,9 +420,9 @@ static void eth_configure(int n, void *init, char *mac,
*/
snprintf(dev->name, sizeof(dev->name), "eth%d", n);
- random_mac = setup_etheraddr(mac, device->mac, dev->name);
+ setup_etheraddr(dev, mac);
- printk(KERN_INFO "Netdevice %d (%pM) : ", n, device->mac);
+ printk(KERN_INFO "Netdevice %d (%pM) : ", n, dev->dev_addr);
lp = netdev_priv(dev);
/* This points to the transport private data. It's still clear, but we
@@ -468,17 +469,12 @@ static void eth_configure(int n, void *init, char *mac,
init_timer(&lp->tl);
spin_lock_init(&lp->lock);
lp->tl.function = uml_net_user_timer_expire;
- memcpy(lp->mac, device->mac, sizeof(lp->mac));
+ memcpy(lp->mac, dev->dev_addr, sizeof(lp->mac));
if ((transport->user->init != NULL) &&
((*transport->user->init)(&lp->user, dev) != 0))
goto out_unregister;
- /* don't use eth_mac_addr, it will not work here */
- memcpy(dev->dev_addr, device->mac, ETH_ALEN);
- if (random_mac)
- dev->addr_assign_type |= NET_ADDR_RANDOM;
-
dev->mtu = transport->user->mtu;
dev->netdev_ops = &uml_netdev_ops;
dev->ethtool_ops = &uml_net_ethtool_ops;
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index 16fdd0a..b8d14fa 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -105,7 +105,6 @@ static const struct tty_operations ssl_ops = {
.throttle = line_throttle,
.unthrottle = line_unthrottle,
.install = ssl_install,
- .cleanup = line_cleanup,
.hangup = line_hangup,
};
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 827777a..7b361f3 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -110,7 +110,6 @@ static const struct tty_operations console_ops = {
.set_termios = line_set_termios,
.throttle = line_throttle,
.unthrottle = line_unthrottle,
- .cleanup = line_cleanup,
.hangup = line_hangup,
};
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 41bf720..879990c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -87,7 +87,7 @@ 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);
+static void ubd_release(struct gendisk *disk, fmode_t mode);
static int ubd_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg);
static int ubd_getgeo(struct block_device *bdev, struct hd_geometry *geo);
@@ -1138,7 +1138,7 @@ out:
return err;
}
-static int ubd_release(struct gendisk *disk, fmode_t mode)
+static void ubd_release(struct gendisk *disk, fmode_t mode)
{
struct ubd *ubd_dev = disk->private_data;
@@ -1146,7 +1146,6 @@ static int ubd_release(struct gendisk *disk, fmode_t mode)
if(--ubd_dev->count == 0)
ubd_close_dev(ubd_dev);
mutex_unlock(&ubd_mutex);
- return 0;
}
static void cowify_bitmap(__u64 io_offset, int length, unsigned long *cow_mask,
diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h
index 2df313b..c9230680 100644
--- a/arch/um/include/shared/common-offsets.h
+++ b/arch/um/include/shared/common-offsets.h
@@ -30,8 +30,8 @@ DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC);
#ifdef CONFIG_PRINTK
DEFINE(UML_CONFIG_PRINTK, CONFIG_PRINTK);
#endif
-#ifdef CONFIG_NO_HZ
-DEFINE(UML_CONFIG_NO_HZ, CONFIG_NO_HZ);
+#ifdef CONFIG_NO_HZ_COMMON
+DEFINE(UML_CONFIG_NO_HZ_COMMON, CONFIG_NO_HZ_COMMON);
#endif
#ifdef CONFIG_UML_X86
DEFINE(UML_CONFIG_UML_X86, CONFIG_UML_X86);
diff --git a/arch/um/include/shared/net_kern.h b/arch/um/include/shared/net_kern.h
index 5c367f2..012ac87 100644
--- a/arch/um/include/shared/net_kern.h
+++ b/arch/um/include/shared/net_kern.h
@@ -18,7 +18,6 @@ struct uml_net {
struct net_device *dev;
struct platform_device pdev;
int index;
- unsigned char mac[ETH_ALEN];
};
struct uml_net_private {
diff --git a/arch/um/kernel/early_printk.c b/arch/um/kernel/early_printk.c
index 49480f0..4a0800b 100644
--- a/arch/um/kernel/early_printk.c
+++ b/arch/um/kernel/early_printk.c
@@ -16,7 +16,7 @@ static void early_console_write(struct console *con, const char *s, unsigned int
um_early_printk(s, n);
}
-static struct console early_console = {
+static struct console early_console_dev = {
.name = "earlycon",
.write = early_console_write,
.flags = CON_BOOT,
@@ -25,8 +25,10 @@ static struct console early_console = {
static int __init setup_early_printk(char *buf)
{
- register_console(&early_console);
-
+ if (!early_console) {
+ early_console = &early_console_dev;
+ register_console(&early_console_dev);
+ }
return 0;
}
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 5abcbfb..9df292b 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -42,17 +42,12 @@ static unsigned long brk_end;
static void setup_highmem(unsigned long highmem_start,
unsigned long highmem_len)
{
- struct page *page;
unsigned long highmem_pfn;
int i;
highmem_pfn = __pa(highmem_start) >> PAGE_SHIFT;
- for (i = 0; i < highmem_len >> PAGE_SHIFT; i++) {
- page = &mem_map[highmem_pfn + i];
- ClearPageReserved(page);
- init_page_count(page);
- __free_page(page);
- }
+ for (i = 0; i < highmem_len >> PAGE_SHIFT; i++)
+ free_highmem_page(&mem_map[highmem_pfn + i]);
}
#endif
@@ -73,18 +68,13 @@ void __init mem_init(void)
totalram_pages = free_all_bootmem();
max_low_pfn = totalram_pages;
#ifdef CONFIG_HIGHMEM
- totalhigh_pages = highmem >> PAGE_SHIFT;
- totalram_pages += totalhigh_pages;
+ setup_highmem(end_iomem, highmem);
#endif
num_physpages = totalram_pages;
max_pfn = totalram_pages;
printk(KERN_INFO "Memory: %luk available\n",
nr_free_pages() << (PAGE_SHIFT-10));
kmalloc_ok = 1;
-
-#ifdef CONFIG_HIGHMEM
- setup_highmem(end_iomem, highmem);
-#endif
}
/*
@@ -254,15 +244,7 @@ void free_initmem(void)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (start < end)
- printk(KERN_INFO "Freeing initrd memory: %ldk freed\n",
- (end - start) >> 10);
- for (; start < end; start += PAGE_SIZE) {
- ClearPageReserved(virt_to_page(start));
- init_page_count(virt_to_page(start));
- free_page(start);
- totalram_pages++;
- }
+ free_reserved_area(start, end, 0, "initrd");
}
#endif
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index b462b13..bbcef52 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -210,33 +210,14 @@ void initial_thread_cb(void (*proc)(void *), void *arg)
kmalloc_ok = save_kmalloc_ok;
}
-void default_idle(void)
+void arch_cpu_idle(void)
{
unsigned long long nsecs;
- while (1) {
- /* endless idle loop with no priority at all */
-
- /*
- * although we are an idle CPU, we do not want to
- * get into the scheduler unnecessarily.
- */
- if (need_resched())
- schedule();
-
- tick_nohz_idle_enter();
- rcu_idle_enter();
- nsecs = disable_timer();
- idle_sleep(nsecs);
- rcu_idle_exit();
- tick_nohz_idle_exit();
- }
-}
-
-void cpu_idle(void)
-{
cpu_tasks[current_thread_info()->cpu].pid = os_getpid();
- default_idle();
+ nsecs = disable_timer();
+ idle_sleep(nsecs);
+ local_irq_enable();
}
int __cant_sleep(void) {
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 48ccf71..3e831b3 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -122,13 +122,3 @@ int do_signal(void)
{
return kern_do_signal(&current->thread.regs);
}
-
-/*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-long sys_sigsuspend(int history0, int history1, old_sigset_t mask)
-{
- sigset_t blocked;
- siginitset(&blocked, mask);
- return sigsuspend(&blocked);
-}
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index e562ff8..7d101a2 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -35,18 +35,6 @@ void show_trace(struct task_struct *task, unsigned long * stack)
}
#endif
-/*
- * stack dumps generator - this is used by arch-independent code.
- * And this is identical to i386 currently.
- */
-void dump_stack(void)
-{
- unsigned long stack;
-
- show_trace(current, &stack);
-}
-EXPORT_SYMBOL(dump_stack);
-
/*Stolen from arch/i386/kernel/traps.c */
static const int kstack_depth_to_print = 24;
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index b1469fe..9d9f1b4 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -15,7 +15,7 @@
#include <sysdep/mcontext.h>
#include "internal.h"
-void (*sig_info[NSIG])(int, siginfo_t *, struct uml_pt_regs *) = {
+void (*sig_info[NSIG])(int, struct siginfo *, struct uml_pt_regs *) = {
[SIGTRAP] = relay_signal,
[SIGFPE] = relay_signal,
[SIGILL] = relay_signal,
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index da4b9e9..337518c 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -15,6 +15,8 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/wait.h>
+#include <sys/time.h>
+#include <sys/resource.h>
#include <asm/unistd.h>
#include <init.h>
#include <os.h>
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index fac388c..e9824d5 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -79,7 +79,7 @@ long long os_nsecs(void)
return timeval_to_ns(&tv);
}
-#ifdef UML_CONFIG_NO_HZ
+#ifdef UML_CONFIG_NO_HZ_COMMON
static int after_sleep_interval(struct timespec *ts)
{
return 0;
diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c
index f889449..1ff1ad7 100644
--- a/arch/um/sys-ppc/sysrq.c
+++ b/arch/um/sys-ppc/sysrq.c
@@ -11,6 +11,8 @@
void show_regs(struct pt_regs_subarch *regs)
{
printk("\n");
+ show_regs_print_info(KERN_DEFAULT);
+
printk("show_regs(): insert regs here.\n");
#if 0
printk("\n");
generated by cgit v0.10.2 at 2024-10-27 10:05:22 (GMT)