From aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 Mon Sep 17 00:00:00 2001 From: merge Date: Thu, 22 Jan 2009 13:55:32 +0000 Subject: MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage: From: merge MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage: From: merge MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage: From: Andy Green fix-stray-endmenu.patch Signed-off-by: Andy Green --- arch/um/Makefile | 25 +++++++++++-------------- arch/um/drivers/daemon_kern.c | 2 +- arch/um/drivers/mcast_kern.c | 2 +- arch/um/drivers/mconsole_kern.c | 7 +++++-- arch/um/drivers/net_kern.c | 29 ++++++++++++----------------- arch/um/drivers/pcap_kern.c | 2 +- arch/um/drivers/slip_kern.c | 2 +- arch/um/drivers/slirp_kern.c | 2 +- arch/um/drivers/vde_kern.c | 2 +- arch/um/kernel/init_task.c | 1 - arch/um/kernel/smp.c | 7 ------- arch/um/kernel/time.c | 2 +- arch/um/kernel/trap.c | 24 ++++++++---------------- arch/um/os-Linux/drivers/ethertap_kern.c | 2 +- arch/um/os-Linux/drivers/tuntap_kern.c | 2 +- 15 files changed, 45 insertions(+), 66 deletions(-) (limited to 'arch/um') diff --git a/arch/um/Makefile b/arch/um/Makefile index d944c343acd..0728def3223 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -22,10 +22,11 @@ MODE_INCLUDE += -I$(srctree)/$(ARCH_DIR)/include/shared/skas include $(srctree)/$(ARCH_DIR)/Makefile-skas -ARCH_INCLUDE := -I$(srctree)/$(ARCH_DIR)/include/shared +SHARED_HEADERS := $(ARCH_DIR)/include/shared +ARCH_INCLUDE := -I$(srctree)/$(SHARED_HEADERS) ARCH_INCLUDE += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH)/shared ifneq ($(KBUILD_SRC),) -ARCH_INCLUDE += -I$(ARCH_DIR)/include/shared # for two generated files +ARCH_INCLUDE += -I$(SHARED_HEADERS) endif KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) @@ -85,8 +86,8 @@ endef KBUILD_KCONFIG := arch/um/Kconfig.$(HEADER_ARCH) -archprepare: $(ARCH_DIR)/include/shared/user_constants.h -prepare: $(ARCH_DIR)/include/shared/kern_constants.h +archprepare: $(SHARED_HEADERS)/user_constants.h +archprepare: $(SHARED_HEADERS)/kern_constants.h LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib @@ -119,17 +120,13 @@ endef # When cleaning we don't include .config, so we don't include # TT or skas makefiles and don't clean skas_ptregs.h. CLEAN_FILES += linux x.i gmon.out \ - $(ARCH_DIR)/include/shared/user_constants.h \ - $(ARCH_DIR)/include/shared/kern_constants.h + $(SHARED_HEADERS)/user_constants.h \ + $(SHARED_HEADERS)/kern_constants.h archclean: @find . \( -name '*.bb' -o -name '*.bbg' -o -name '*.da' \ -o -name '*.gcov' \) -type f -print | xargs rm -f -$(objtree)/$(ARCH_DIR)/include/shared: - @echo ' MKDIR $@' - $(Q)mkdir -p $@ - # Generated files $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE @@ -148,11 +145,11 @@ define filechk_gen-asm-offsets echo ""; ) endef -$(ARCH_DIR)/include/shared/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s +$(SHARED_HEADERS)/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s $(call filechk,gen-asm-offsets) -$(ARCH_DIR)/include/shared/kern_constants.h: $(objtree)/$(ARCH_DIR)/include/shared - @echo ' SYMLINK $@' - $(Q)ln -sf ../../../../include/asm/asm-offsets.h $@ +$(SHARED_HEADERS)/kern_constants.h: + $(Q)mkdir -p $(dir $@) + $(Q)echo '#include "../../../../include/asm/asm-offsets.h"' >$@ export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS HEADER_ARCH DEV_NULL_PATH diff --git a/arch/um/drivers/daemon_kern.c b/arch/um/drivers/daemon_kern.c index d53ff52bb40..b4a1522f215 100644 --- a/arch/um/drivers/daemon_kern.c +++ b/arch/um/drivers/daemon_kern.c @@ -22,7 +22,7 @@ static void daemon_init(struct net_device *dev, void *data) struct daemon_data *dpri; struct daemon_init *init = data; - pri = dev->priv; + pri = netdev_priv(dev); dpri = (struct daemon_data *) pri->user; dpri->sock_type = init->sock_type; dpri->ctl_sock = init->ctl_sock; diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c index 8c4378a76d6..ffc6416d5ed 100644 --- a/arch/um/drivers/mcast_kern.c +++ b/arch/um/drivers/mcast_kern.c @@ -28,7 +28,7 @@ static void mcast_init(struct net_device *dev, void *data) struct mcast_data *dpri; struct mcast_init *init = data; - pri = dev->priv; + pri = netdev_priv(dev); dpri = (struct mcast_data *) pri->user; dpri->addr = init->addr; dpri->port = init->port; diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c index 19d579d74d2..e14629c87de 100644 --- a/arch/um/drivers/mconsole_kern.c +++ b/arch/um/drivers/mconsole_kern.c @@ -16,6 +16,8 @@ #include #include #include +#include +#include #include #include #include @@ -159,7 +161,8 @@ void mconsole_proc(struct mc_request *req) goto out_kill; } - file = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY); + file = dentry_open(nd.path.dentry, nd.path.mnt, O_RDONLY, + current_cred()); if (IS_ERR(file)) { mconsole_reply(req, "Failed to open file", 1, 0); goto out_kill; @@ -785,7 +788,7 @@ static int __init mconsole_init(void) /* long to avoid size mismatch warnings from gcc */ long sock; int err; - char file[256]; + char file[UNIX_PATH_MAX]; if (umid_file_name("mconsole", file, sizeof(file))) return -1; diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c index 5b4ca8d9368..fde510b664d 100644 --- a/arch/um/drivers/net_kern.c +++ b/arch/um/drivers/net_kern.c @@ -76,7 +76,7 @@ out: static int uml_net_rx(struct net_device *dev) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); int pkt_len; struct sk_buff *skb; @@ -119,7 +119,7 @@ static void uml_dev_close(struct work_struct *work) static irqreturn_t uml_net_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); int err; if (!netif_running(dev)) @@ -150,7 +150,7 @@ out: static int uml_net_open(struct net_device *dev) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); int err; if (lp->fd >= 0) { @@ -195,7 +195,7 @@ out: static int uml_net_close(struct net_device *dev) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); netif_stop_queue(dev); @@ -213,7 +213,7 @@ static int uml_net_close(struct net_device *dev) static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); unsigned long flags; int len; @@ -250,7 +250,7 @@ static int uml_net_start_xmit(struct sk_buff *skb, struct net_device *dev) static struct net_device_stats *uml_net_get_stats(struct net_device *dev) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); return &lp->stats; } @@ -267,7 +267,7 @@ static void uml_net_tx_timeout(struct net_device *dev) static int uml_net_set_mac(struct net_device *dev, void *addr) { - struct uml_net_private *lp = dev->priv; + struct uml_net_private *lp = netdev_priv(dev); struct sockaddr *hwaddr = addr; spin_lock_irq(&lp->lock); @@ -368,7 +368,7 @@ static void net_device_release(struct device *dev) { struct uml_net *device = dev->driver_data; struct net_device *netdev = device->dev; - struct uml_net_private *lp = netdev->priv; + struct uml_net_private *lp = netdev_priv(netdev); if (lp->remove != NULL) (*lp->remove)(&lp->user); @@ -418,14 +418,9 @@ static void eth_configure(int n, void *init, char *mac, setup_etheraddr(mac, device->mac, dev->name); - printk(KERN_INFO "Netdevice %d ", n); - printk("(%02x:%02x:%02x:%02x:%02x:%02x) ", - device->mac[0], device->mac[1], - device->mac[2], device->mac[3], - device->mac[4], device->mac[5]); - printk(": "); + printk(KERN_INFO "Netdevice %d (%pM) : ", n, device->mac); - lp = dev->priv; + lp = netdev_priv(dev); /* This points to the transport private data. It's still clear, but we * must memset it to 0 *now*. Let's help the drivers. */ memset(lp, 0, size); @@ -735,7 +730,7 @@ static int net_remove(int n, char **error_out) return -ENODEV; dev = device->dev; - lp = dev->priv; + lp = netdev_priv(dev); if (lp->fd > 0) return -EBUSY; unregister_netdev(dev); @@ -766,7 +761,7 @@ static int uml_inetaddr_event(struct notifier_block *this, unsigned long event, if (dev->open != uml_net_open) return NOTIFY_DONE; - lp = dev->priv; + lp = netdev_priv(dev); proc = NULL; switch (event) { diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c index 3a750dd39be..2860525f8ff 100644 --- a/arch/um/drivers/pcap_kern.c +++ b/arch/um/drivers/pcap_kern.c @@ -21,7 +21,7 @@ void pcap_init(struct net_device *dev, void *data) struct pcap_data *ppri; struct pcap_init *init = data; - pri = dev->priv; + pri = netdev_priv(dev); ppri = (struct pcap_data *) pri->user; ppri->host_if = init->host_if; ppri->promisc = init->promisc; diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c index d19faec7046..5ec17563142 100644 --- a/arch/um/drivers/slip_kern.c +++ b/arch/um/drivers/slip_kern.c @@ -19,7 +19,7 @@ static void slip_init(struct net_device *dev, void *data) struct slip_data *spri; struct slip_init *init = data; - private = dev->priv; + private = netdev_priv(dev); spri = (struct slip_data *) private->user; memset(spri->name, 0, sizeof(spri->name)); diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c index d987af277db..f15a6e7654f 100644 --- a/arch/um/drivers/slirp_kern.c +++ b/arch/um/drivers/slirp_kern.c @@ -22,7 +22,7 @@ void slirp_init(struct net_device *dev, void *data) struct slirp_init *init = data; int i; - private = dev->priv; + private = netdev_priv(dev); spri = (struct slirp_data *) private->user; spri->argw = init->argw; diff --git a/arch/um/drivers/vde_kern.c b/arch/um/drivers/vde_kern.c index add7e722def..1b852bffdeb 100644 --- a/arch/um/drivers/vde_kern.c +++ b/arch/um/drivers/vde_kern.c @@ -19,7 +19,7 @@ static void vde_init(struct net_device *dev, void *data) struct uml_net_private *pri; struct vde_data *vpri; - pri = dev->priv; + pri = netdev_priv(dev); vpri = (struct vde_data *) pri->user; vpri->vde_switch = init->vde_switch; diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c index 910eda8fca1..806d381947b 100644 --- a/arch/um/kernel/init_task.c +++ b/arch/um/kernel/init_task.c @@ -10,7 +10,6 @@ #include "linux/mqueue.h" #include "asm/uaccess.h" -static struct fs_struct init_fs = INIT_FS; struct mm_struct init_mm = INIT_MM(init_mm); static struct signal_struct init_signals = INIT_SIGNALS(init_signals); static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); diff --git a/arch/um/kernel/smp.c b/arch/um/kernel/smp.c index 04577214284..98351c78bc8 100644 --- a/arch/um/kernel/smp.c +++ b/arch/um/kernel/smp.c @@ -25,13 +25,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers); #include "irq_user.h" #include "os.h" -/* CPU online map, set by smp_boot_cpus */ -cpumask_t cpu_online_map = CPU_MASK_NONE; -cpumask_t cpu_possible_map = CPU_MASK_NONE; - -EXPORT_SYMBOL(cpu_online_map); -EXPORT_SYMBOL(cpu_possible_map); - /* Per CPU bogomips and other parameters * The only piece used here is the ipi pipe, which is set before SMP is * started and never changed. diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c index 47f04f4a346..b13a87a3ec9 100644 --- a/arch/um/kernel/time.c +++ b/arch/um/kernel/time.c @@ -50,7 +50,7 @@ static int itimer_next_event(unsigned long delta, static struct clock_event_device itimer_clockevent = { .name = "itimer", .rating = 250, - .cpumask = CPU_MASK_ALL, + .cpumask = cpu_all_mask, .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, .set_mode = itimer_set_mode, .set_next_event = itimer_next_event, diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c index 44e49041949..7384d8accfe 100644 --- a/arch/um/kernel/trap.c +++ b/arch/um/kernel/trap.c @@ -64,11 +64,10 @@ good_area: do { int fault; -survive: + fault = handle_mm_fault(mm, vma, address, is_write); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) { - err = -ENOMEM; goto out_of_memory; } else if (fault & VM_FAULT_SIGBUS) { err = -EACCES; @@ -104,18 +103,14 @@ out: out_nosemaphore: return err; -/* - * We ran out of memory, or some other thing happened to us that made - * us unable to handle the page fault gracefully. - */ out_of_memory: - if (is_global_init(current)) { - up_read(&mm->mmap_sem); - yield(); - down_read(&mm->mmap_sem); - goto survive; - } - goto out; + /* + * We ran out of memory, call the OOM killer, and return the userspace + * (which will retry the fault, or kill us if we got oom-killed). + */ + up_read(&mm->mmap_sem); + pagefault_out_of_memory(); + return 0; } static void bad_segv(struct faultinfo fi, unsigned long ip) @@ -214,9 +209,6 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, si.si_addr = (void __user *)address; current->thread.arch.faultinfo = fi; force_sig_info(SIGBUS, &si, current); - } else if (err == -ENOMEM) { - printk(KERN_INFO "VM: killing process %s\n", current->comm); - do_exit(SIGKILL); } else { BUG_ON(err != -EFAULT); si.si_signo = SIGSEGV; diff --git a/arch/um/os-Linux/drivers/ethertap_kern.c b/arch/um/os-Linux/drivers/ethertap_kern.c index 046a131f610..7f6f9a71aae 100644 --- a/arch/um/os-Linux/drivers/ethertap_kern.c +++ b/arch/um/os-Linux/drivers/ethertap_kern.c @@ -22,7 +22,7 @@ static void etap_init(struct net_device *dev, void *data) struct ethertap_data *epri; struct ethertap_init *init = data; - pri = dev->priv; + pri = netdev_priv(dev); epri = (struct ethertap_data *) pri->user; epri->dev_name = init->dev_name; epri->gate_addr = init->gate_addr; diff --git a/arch/um/os-Linux/drivers/tuntap_kern.c b/arch/um/os-Linux/drivers/tuntap_kern.c index 6b9e33d5de2..4048800e469 100644 --- a/arch/um/os-Linux/drivers/tuntap_kern.c +++ b/arch/um/os-Linux/drivers/tuntap_kern.c @@ -21,7 +21,7 @@ static void tuntap_init(struct net_device *dev, void *data) struct tuntap_data *tpri; struct tuntap_init *init = data; - pri = dev->priv; + pri = netdev_priv(dev); tpri = (struct tuntap_data *) pri->user; tpri->dev_name = init->dev_name; tpri->fixed_config = (init->dev_name != NULL); -- cgit v1.2.3