diff options
Diffstat (limited to 'arch/um')
-rw-r--r-- | arch/um/Kconfig.common | 1 | ||||
-rw-r--r-- | arch/um/Kconfig.net | 2 | ||||
-rw-r--r-- | arch/um/Kconfig.um | 8 | ||||
-rw-r--r-- | arch/um/drivers/chan.h | 5 | ||||
-rw-r--r-- | arch/um/drivers/chan_kern.c | 27 | ||||
-rw-r--r-- | arch/um/drivers/chan_user.c | 12 | ||||
-rw-r--r-- | arch/um/drivers/chan_user.h | 6 | ||||
-rw-r--r-- | arch/um/drivers/line.c | 57 | ||||
-rw-r--r-- | arch/um/drivers/mconsole_kern.c | 5 | ||||
-rw-r--r-- | arch/um/drivers/net_kern.c | 24 | ||||
-rw-r--r-- | arch/um/drivers/ssl.c | 1 | ||||
-rw-r--r-- | arch/um/drivers/stdio_console.c | 1 | ||||
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 5 | ||||
-rw-r--r-- | arch/um/include/shared/common-offsets.h | 4 | ||||
-rw-r--r-- | arch/um/include/shared/net_kern.h | 1 | ||||
-rw-r--r-- | arch/um/kernel/early_printk.c | 8 | ||||
-rw-r--r-- | arch/um/kernel/mem.c | 26 | ||||
-rw-r--r-- | arch/um/kernel/process.c | 27 | ||||
-rw-r--r-- | arch/um/kernel/signal.c | 10 | ||||
-rw-r--r-- | arch/um/kernel/sysrq.c | 12 | ||||
-rw-r--r-- | arch/um/os-Linux/signal.c | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/start_up.c | 2 | ||||
-rw-r--r-- | arch/um/os-Linux/time.c | 2 | ||||
-rw-r--r-- | arch/um/sys-ppc/sysrq.c | 2 |
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 = ¨_netdev_ops; dev->ethtool_ops = ¨_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(¤t->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"); |