diff options
30 files changed, 222 insertions, 155 deletions
diff --git a/Documentation/local_ops.txt b/Documentation/local_ops.txt index 1a45f11e645..4269a1105b3 100644 --- a/Documentation/local_ops.txt +++ b/Documentation/local_ops.txt @@ -68,29 +68,6 @@ typedef struct { atomic_long_t a; } local_t; variable can be read when reading some _other_ cpu's variables. -* Rules to follow when using local atomic operations - -- Variables touched by local ops must be per cpu variables. -- _Only_ the CPU owner of these variables must write to them. -- This CPU can use local ops from any context (process, irq, softirq, nmi, ...) - to update its local_t variables. -- Preemption (or interrupts) must be disabled when using local ops in - process context to make sure the process won't be migrated to a - different CPU between getting the per-cpu variable and doing the - actual local op. -- When using local ops in interrupt context, no special care must be - taken on a mainline kernel, since they will run on the local CPU with - preemption already disabled. I suggest, however, to explicitly - disable preemption anyway to make sure it will still work correctly on - -rt kernels. -- Reading the local cpu variable will provide the current copy of the - variable. -- Reads of these variables can be done from any CPU, because updates to - "long", aligned, variables are always atomic. Since no memory - synchronization is done by the writer CPU, an outdated copy of the - variable can be read when reading some _other_ cpu's variables. - - * How to use local atomic operations #include <linux/percpu.h> diff --git a/arch/alpha/math-emu/math.c b/arch/alpha/math-emu/math.c index ae79dd970b0..58c2669a1dd 100644 --- a/arch/alpha/math-emu/math.c +++ b/arch/alpha/math-emu/math.c @@ -225,7 +225,7 @@ alpha_fp_emul (unsigned long pc) FP_UNPACK_SP(SB, &vb); DR_c = DB_c; DR_s = DB_s; - DR_e = DB_e; + DR_e = DB_e + (1024 - 128); DR_f = SB_f << (52 - 23); goto pack_d; } diff --git a/arch/cris/arch-v10/vmlinux.lds.S b/arch/cris/arch-v10/vmlinux.lds.S index 9859d49d088..97a7876ed68 100644 --- a/arch/cris/arch-v10/vmlinux.lds.S +++ b/arch/cris/arch-v10/vmlinux.lds.S @@ -9,7 +9,8 @@ */ #include <asm-generic/vmlinux.lds.h> - +#include <asm/page.h> + jiffies = jiffies_64; SECTIONS { @@ -23,7 +24,7 @@ SECTIONS _stext = .; __stext = .; .text : { - *(.text) + TEXT_TEXT SCHED_TEXT LOCK_TEXT *(.fixup) @@ -49,10 +50,10 @@ SECTIONS __edata = . ; /* End of data section */ _edata = . ; - . = ALIGN(8192); /* init_task and stack, must be aligned */ + . = ALIGN(PAGE_SIZE); /* init_task and stack, must be aligned */ .data.init_task : { *(.data.init_task) } - . = ALIGN(8192); /* Init code and data */ + . = ALIGN(PAGE_SIZE); /* Init code and data */ __init_begin = .; .init.text : { _sinittext = .; @@ -66,13 +67,7 @@ SECTIONS __setup_end = .; .initcall.init : { __initcall_start = .; - *(.initcall1.init); - *(.initcall2.init); - *(.initcall3.init); - *(.initcall4.init); - *(.initcall5.init); - *(.initcall6.init); - *(.initcall7.init); + INITCALLS __initcall_end = .; } @@ -88,16 +83,18 @@ SECTIONS __initramfs_start = .; *(.init.ramfs) __initramfs_end = .; - /* We fill to the next page, so we can discard all init - pages without needing to consider what payload might be - appended to the kernel image. */ - FILL (0); - . = ALIGN (8192); } #endif - __vmlinux_end = .; /* last address of the physical file */ - __init_end = .; + + /* + * We fill to the next page, so we can discard all init + * pages without needing to consider what payload might be + * appended to the kernel image. + */ + . = ALIGN(PAGE_SIZE); + + __init_end = .; __data_end = . ; /* Move to _edata ? */ __bss_start = .; /* BSS */ diff --git a/arch/sparc64/kernel/sun4v_tlb_miss.S b/arch/sparc64/kernel/sun4v_tlb_miss.S index 9871dbb1ab4..fd9430562e0 100644 --- a/arch/sparc64/kernel/sun4v_tlb_miss.S +++ b/arch/sparc64/kernel/sun4v_tlb_miss.S @@ -215,6 +215,7 @@ sun4v_itlb_error: 1: ba,pt %xcc, etrap 2: or %g7, %lo(2b), %g7 + mov %l4, %o1 call sun4v_itlb_error_report add %sp, PTREGS_OFF, %o0 @@ -241,6 +242,7 @@ sun4v_dtlb_error: 1: ba,pt %xcc, etrap 2: or %g7, %lo(2b), %g7 + mov %l4, %o1 call sun4v_dtlb_error_report add %sp, PTREGS_OFF, %o0 diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c index 04998388259..2b6abf63334 100644 --- a/arch/sparc64/kernel/traps.c +++ b/arch/sparc64/kernel/traps.c @@ -1950,6 +1950,8 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl) printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", regs->tpc, tl); print_symbol(KERN_EMERG "SUN4V-ITLB: TPC<%s>\n", regs->tpc); + printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); + print_symbol(KERN_EMERG "SUN4V-ITLB: O7<%s>\n", regs->u_regs[UREG_I7]); printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " "pte[%lx] error[%lx]\n", sun4v_err_itlb_vaddr, sun4v_err_itlb_ctx, @@ -1971,6 +1973,8 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl) printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", regs->tpc, tl); print_symbol(KERN_EMERG "SUN4V-DTLB: TPC<%s>\n", regs->tpc); + printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); + print_symbol(KERN_EMERG "SUN4V-DTLB: O7<%s>\n", regs->u_regs[UREG_I7]); printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " "pte[%lx] error[%lx]\n", sun4v_err_dtlb_vaddr, sun4v_err_dtlb_ctx, diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c index 1bba99747f5..5d3a04ba6ad 100644 --- a/drivers/cpufreq/cpufreq_conservative.c +++ b/drivers/cpufreq/cpufreq_conservative.c @@ -603,5 +603,9 @@ MODULE_DESCRIPTION ("'cpufreq_conservative' - A dynamic cpufreq governor for " "optimised for use in a battery environment"); MODULE_LICENSE ("GPL"); +#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE +fs_initcall(cpufreq_gov_dbs_init); +#else module_init(cpufreq_gov_dbs_init); +#endif module_exit(cpufreq_gov_dbs_exit); diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c index 369f4459515..d2af20dda38 100644 --- a/drivers/cpufreq/cpufreq_ondemand.c +++ b/drivers/cpufreq/cpufreq_ondemand.c @@ -610,6 +610,9 @@ MODULE_DESCRIPTION("'cpufreq_ondemand' - A dynamic cpufreq governor for " "Low Latency Frequency Transition capable processors"); MODULE_LICENSE("GPL"); +#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND +fs_initcall(cpufreq_gov_dbs_init); +#else module_init(cpufreq_gov_dbs_init); +#endif module_exit(cpufreq_gov_dbs_exit); - diff --git a/drivers/cpufreq/cpufreq_userspace.c b/drivers/cpufreq/cpufreq_userspace.c index 51bedab6c80..f8cdde4bf6c 100644 --- a/drivers/cpufreq/cpufreq_userspace.c +++ b/drivers/cpufreq/cpufreq_userspace.c @@ -231,5 +231,9 @@ MODULE_AUTHOR ("Dominik Brodowski <linux@brodo.de>, Russell King <rmk@arm.linux. MODULE_DESCRIPTION ("CPUfreq policy governor 'userspace'"); MODULE_LICENSE ("GPL"); +#ifdef CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE fs_initcall(cpufreq_gov_userspace_init); +#else +module_init(cpufreq_gov_userspace_init); +#endif module_exit(cpufreq_gov_userspace_exit); diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 2b5ed119c9a..b346a3b418e 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -54,7 +54,7 @@ static const struct alps_model_info alps_model_data[] = { { { 0x20, 0x02, 0x0e }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, /* XXX */ { { 0x22, 0x02, 0x0a }, 0xf8, 0xf8, ALPS_PASS | ALPS_DUALPOINT }, { { 0x22, 0x02, 0x14 }, 0xff, 0xff, ALPS_PASS | ALPS_DUALPOINT }, /* Dell Latitude D600 */ - { { 0x73, 0x02, 0x50 }, 0xcf, 0xff, ALPS_FW_BK_1 } /* Dell Vostro 1400 */ + { { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FW_BK_1 } /* Dell Vostro 1400 */ }; /* diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c index 9ec57d80186..df81b0aaa9f 100644 --- a/drivers/input/mouse/lifebook.c +++ b/drivers/input/mouse/lifebook.c @@ -225,8 +225,13 @@ static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolu static void lifebook_disconnect(struct psmouse *psmouse) { + struct lifebook_data *priv = psmouse->private; + psmouse_reset(psmouse); - kfree(psmouse->private); + if (priv) { + input_unregister_device(priv->dev2); + kfree(priv); + } psmouse->private = NULL; } diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 21a9c0b69a1..b8628252e10 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -1247,6 +1247,8 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv) err_pt_deactivate: if (parent && parent->pt_deactivate) parent->pt_deactivate(parent); + input_unregister_device(psmouse->dev); + input_dev = NULL; /* so we don't try to free it below */ err_protocol_disconnect: if (psmouse->disconnect) psmouse->disconnect(psmouse); diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c index 78c3ea75da2..be83516c776 100644 --- a/drivers/input/mousedev.c +++ b/drivers/input/mousedev.c @@ -1029,6 +1029,15 @@ static const struct input_device_id mousedev_ids[] = { BIT_MASK(ABS_PRESSURE) | BIT_MASK(ABS_TOOL_WIDTH) }, }, /* A touchpad */ + { + .flags = INPUT_DEVICE_ID_MATCH_EVBIT | + INPUT_DEVICE_ID_MATCH_KEYBIT | + INPUT_DEVICE_ID_MATCH_ABSBIT, + .evbit = { BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_SYN) }, + .keybit = { [BIT_WORD(BTN_LEFT)] = BIT_MASK(BTN_LEFT) }, + .absbit = { BIT_MASK(ABS_X) | BIT_MASK(ABS_Y) }, + }, /* Mouse-like device with absolute X and Y but ordinary + clicks, like hp ILO2 High Performance mouse */ { }, /* Terminating entry */ }; diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index 19055e7381f..63f9664a066 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -11,6 +11,7 @@ * - DMC TSC-10/25 * - IRTOUCHSYSTEMS/UNITOP * - IdealTEK URTC1000 + * - General Touch * - GoTop Super_Q2/GogoPen/PenPower tablets * * Copyright (C) 2004-2007 by Daniel Ritz <daniel.ritz@gmx.ch> @@ -50,7 +51,7 @@ #include <linux/usb/input.h> -#define DRIVER_VERSION "v0.5" +#define DRIVER_VERSION "v0.6" #define DRIVER_AUTHOR "Daniel Ritz <daniel.ritz@gmx.ch>" #define DRIVER_DESC "USB Touchscreen Driver" @@ -65,17 +66,21 @@ struct usbtouch_device_info { int min_yc, max_yc; int min_press, max_press; int rept_size; - int flags; void (*process_pkt) (struct usbtouch_usb *usbtouch, unsigned char *pkt, int len); + + /* + * used to get the packet len. possible return values: + * > 0: packet len + * = 0: skip one byte + * < 0: -return value more bytes needed + */ int (*get_pkt_len) (unsigned char *pkt, int len); + int (*read_data) (struct usbtouch_usb *usbtouch, unsigned char *pkt); int (*init) (struct usbtouch_usb *usbtouch); }; -#define USBTOUCH_FLG_BUFFER 0x01 - - /* a usbtouch device */ struct usbtouch_usb { unsigned char *data; @@ -94,15 +99,6 @@ struct usbtouch_usb { }; -#if defined(CONFIG_TOUCHSCREEN_USB_EGALAX) || defined(CONFIG_TOUCHSCREEN_USB_ETURBO) || defined(CONFIG_TOUCHSCREEN_USB_IDEALTEK) -#define MULTI_PACKET -#endif - -#ifdef MULTI_PACKET -static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, - unsigned char *pkt, int len); -#endif - /* device types */ enum { DEVTPYE_DUMMY = -1, @@ -186,6 +182,10 @@ static struct usb_device_id usbtouch_devices[] = { #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX +#ifndef MULTI_PACKET +#define MULTI_PACKET +#endif + #define EGALAX_PKT_TYPE_MASK 0xFE #define EGALAX_PKT_TYPE_REPT 0x80 #define EGALAX_PKT_TYPE_DIAG 0x0A @@ -323,6 +323,9 @@ static int itm_read_data(struct usbtouch_usb *dev, unsigned char *pkt) * eTurboTouch part */ #ifdef CONFIG_TOUCHSCREEN_USB_ETURBO +#ifndef MULTI_PACKET +#define MULTI_PACKET +#endif static int eturbo_read_data(struct usbtouch_usb *dev, unsigned char *pkt) { unsigned int shift; @@ -461,6 +464,9 @@ static int irtouch_read_data(struct usbtouch_usb *dev, unsigned char *pkt) * IdealTEK URTC1000 Part */ #ifdef CONFIG_TOUCHSCREEN_USB_IDEALTEK +#ifndef MULTI_PACKET +#define MULTI_PACKET +#endif static int idealtek_get_pkt_len(unsigned char *buf, int len) { if (buf[0] & 0x80) @@ -525,6 +531,11 @@ static int gotop_read_data(struct usbtouch_usb *dev, unsigned char *pkt) /***************************************************************************** * the different device descriptors */ +#ifdef MULTI_PACKET +static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, + unsigned char *pkt, int len); +#endif + static struct usbtouch_device_info usbtouch_dev_info[] = { #ifdef CONFIG_TOUCHSCREEN_USB_EGALAX [DEVTYPE_EGALAX] = { @@ -533,7 +544,6 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .min_yc = 0x0, .max_yc = 0x07ff, .rept_size = 16, - .flags = USBTOUCH_FLG_BUFFER, .process_pkt = usbtouch_process_multi, .get_pkt_len = egalax_get_pkt_len, .read_data = egalax_read_data, @@ -582,7 +592,6 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .min_yc = 0x0, .max_yc = 0x07ff, .rept_size = 8, - .flags = USBTOUCH_FLG_BUFFER, .process_pkt = usbtouch_process_multi, .get_pkt_len = eturbo_get_pkt_len, .read_data = eturbo_read_data, @@ -630,7 +639,6 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .min_yc = 0x0, .max_yc = 0x0fff, .rept_size = 8, - .flags = USBTOUCH_FLG_BUFFER, .process_pkt = usbtouch_process_multi, .get_pkt_len = idealtek_get_pkt_len, .read_data = idealtek_read_data, @@ -738,11 +746,14 @@ static void usbtouch_process_multi(struct usbtouch_usb *usbtouch, pos = 0; while (pos < buf_len) { /* get packet len */ - pkt_len = usbtouch->type->get_pkt_len(buffer + pos, len); + pkt_len = usbtouch->type->get_pkt_len(buffer + pos, + buf_len - pos); - /* unknown packet: drop everything */ - if (unlikely(!pkt_len)) - goto out_flush_buf; + /* unknown packet: skip one byte */ + if (unlikely(!pkt_len)) { + pos++; + continue; + } /* full packet: process */ if (likely((pkt_len > 0) && (pkt_len <= buf_len - pos))) { @@ -857,7 +868,7 @@ static int usbtouch_probe(struct usb_interface *intf, if (!usbtouch->data) goto out_free; - if (type->flags & USBTOUCH_FLG_BUFFER) { + if (type->get_pkt_len) { usbtouch->buffer = kmalloc(type->rept_size, GFP_KERNEL); if (!usbtouch->buffer) goto out_free_buffers; diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 4fd187ac9d7..4f0a9157ecb 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -1202,9 +1202,8 @@ static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) static int saa7134_resume(struct pci_dev *pci_dev) { - struct saa7134_dev *dev = pci_get_drvdata(pci_dev); - unsigned int flags; + unsigned long flags; pci_restore_state(pci_dev); pci_set_power_state(pci_dev, PCI_D0); diff --git a/drivers/net/bonding/bond_alb.c b/drivers/net/bonding/bond_alb.c index 25b8dbf6cfd..b57bc9467db 100644 --- a/drivers/net/bonding/bond_alb.c +++ b/drivers/net/bonding/bond_alb.c @@ -979,7 +979,7 @@ static void alb_swap_mac_addr(struct bonding *bond, struct slave *slave1, struct /* * Send learning packets after MAC address swap. * - * Called with RTNL and bond->lock held for read. + * Called with RTNL and no other locks */ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1, struct slave *slave2) @@ -987,6 +987,8 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1, int slaves_state_differ = (SLAVE_IS_OK(slave1) != SLAVE_IS_OK(slave2)); struct slave *disabled_slave = NULL; + ASSERT_RTNL(); + /* fasten the change in the switch */ if (SLAVE_IS_OK(slave1)) { alb_send_learning_packets(slave1, slave1->dev->dev_addr); @@ -1031,7 +1033,7 @@ static void alb_fasten_mac_swap(struct bonding *bond, struct slave *slave1, * a slave that has @slave's permanet address as its current address. * We'll make sure that that slave no longer uses @slave's permanent address. * - * Caller must hold bond lock + * Caller must hold RTNL and no other locks */ static void alb_change_hw_addr_on_detach(struct bonding *bond, struct slave *slave) { @@ -1542,7 +1544,12 @@ int bond_alb_init_slave(struct bonding *bond, struct slave *slave) return 0; } -/* Caller must hold bond lock for write */ +/* + * Remove slave from tlb and rlb hash tables, and fix up MAC addresses + * if necessary. + * + * Caller must hold RTNL and no other locks + */ void bond_alb_deinit_slave(struct bonding *bond, struct slave *slave) { if (bond->slave_cnt > 1) { @@ -1601,9 +1608,6 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave struct slave *swap_slave; int i; - if (new_slave) - ASSERT_RTNL(); - if (bond->curr_active_slave == new_slave) { return; } @@ -1649,6 +1653,8 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave write_unlock_bh(&bond->curr_slave_lock); read_unlock(&bond->lock); + ASSERT_RTNL(); + /* curr_active_slave must be set before calling alb_swap_mac_addr */ if (swap_slave) { /* swap mac address */ @@ -1659,12 +1665,11 @@ void bond_alb_handle_active_change(struct bonding *bond, struct slave *new_slave bond->alb_info.rlb_enabled); } - read_lock(&bond->lock); - if (swap_slave) { alb_fasten_mac_swap(bond, swap_slave, new_slave); + read_lock(&bond->lock); } else { - /* fasten bond mac on new current slave */ + read_lock(&bond->lock); alb_send_learning_packets(new_slave, bond->dev->dev_addr); } diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b0b26036266..49a198206e3 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1746,7 +1746,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) * has been cleared (if our_slave == old_current), * but before a new active slave is selected. */ + write_unlock_bh(&bond->lock); bond_alb_deinit_slave(bond, slave); + write_lock_bh(&bond->lock); } if (oldcurrent == slave) { @@ -1905,6 +1907,12 @@ static int bond_release_all(struct net_device *bond_dev) slave_dev = slave->dev; bond_detach_slave(bond, slave); + /* now that the slave is detached, unlock and perform + * all the undo steps that should not be called from + * within a lock. + */ + write_unlock_bh(&bond->lock); + if ((bond->params.mode == BOND_MODE_TLB) || (bond->params.mode == BOND_MODE_ALB)) { /* must be called only after the slave @@ -1915,12 +1923,6 @@ static int bond_release_all(struct net_device *bond_dev) bond_compute_features(bond); - /* now that the slave is detached, unlock and perform - * all the undo steps that should not be called from - * within a lock. - */ - write_unlock_bh(&bond->lock); - bond_destroy_slave_symlinks(bond_dev, slave_dev); bond_del_vlans_from_slave(bond, slave_dev); @@ -2384,7 +2386,9 @@ void bond_mii_monitor(struct work_struct *work) rtnl_lock(); read_lock(&bond->lock); __bond_mii_monitor(bond, 1); - rtnl_unlock(); + read_unlock(&bond->lock); + rtnl_unlock(); /* might sleep, hold no other locks */ + read_lock(&bond->lock); } delay = ((bond->params.miimon * HZ) / 1000) ? : 1; @@ -3399,9 +3403,7 @@ static int bond_master_netdev_event(unsigned long event, struct net_device *bond case NETDEV_CHANGENAME: return bond_event_changename(event_bond); case NETDEV_UNREGISTER: - /* - * TODO: remove a bond from the list? - */ + bond_release_all(event_bond->dev); break; default: break; @@ -4540,18 +4542,27 @@ static void bond_free_all(void) /* * Convert string input module parms. Accept either the - * number of the mode or its string name. + * number of the mode or its string name. A bit complicated because + * some mode names are substrings of other names, and calls from sysfs + * may have whitespace in the name (trailing newlines, for example). */ -int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl) +int bond_parse_parm(const char *buf, struct bond_parm_tbl *tbl) { - int i; + int mode = -1, i, rv; + char modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; + + rv = sscanf(buf, "%d", &mode); + if (!rv) { + rv = sscanf(buf, "%20s", modestr); + if (!rv) + return -1; + } for (i = 0; tbl[i].modename; i++) { - if ((isdigit(*mode_arg) && - tbl[i].mode == simple_strtol(mode_arg, NULL, 0)) || - (strcmp(mode_arg, tbl[i].modename) == 0)) { + if (mode == tbl[i].mode) + return tbl[i].mode; + if (strcmp(modestr, tbl[i].modename) == 0) return tbl[i].mode; - } } return -1; @@ -4865,9 +4876,22 @@ static struct lock_class_key bonding_netdev_xmit_lock_key; int bond_create(char *name, struct bond_params *params, struct bonding **newbond) { struct net_device *bond_dev; + struct bonding *bond, *nxt; int res; rtnl_lock(); + down_write(&bonding_rwsem); + + /* Check to see if the bond already exists. */ + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) + if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) { + printk(KERN_ERR DRV_NAME + ": cannot add bond %s; it already exists\n", + name); + res = -EPERM; + goto out_rtnl; + } + bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "", ether_setup); if (!bond_dev) { @@ -4906,10 +4930,12 @@ int bond_create(char *name, struct bond_params *params, struct bonding **newbond netif_carrier_off(bond_dev); + up_write(&bonding_rwsem); rtnl_unlock(); /* allows sysfs registration of net device */ res = bond_create_sysfs_entry(bond_dev->priv); if (res < 0) { rtnl_lock(); + down_write(&bonding_rwsem); goto out_bond; } @@ -4920,6 +4946,7 @@ out_bond: out_netdev: free_netdev(bond_dev); out_rtnl: + up_write(&bonding_rwsem); rtnl_unlock(); return res; } @@ -4940,6 +4967,9 @@ static int __init bonding_init(void) #ifdef CONFIG_PROC_FS bond_create_proc_dir(); #endif + + init_rwsem(&bonding_rwsem); + for (i = 0; i < max_bonds; i++) { res = bond_create(NULL, &bonding_defaults, NULL); if (res) diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index 11b76b35241..90a1f31e8e6 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -109,11 +109,10 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t { char command[IFNAMSIZ + 1] = {0, }; char *ifname; - int res = count; + int rv, res = count; struct bonding *bond; struct bonding *nxt; - down_write(&(bonding_rwsem)); sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ ifname = command + 1; if ((strlen(command) <= 1) || @@ -121,39 +120,28 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t goto err_no_cmd; if (command[0] == '+') { - - /* Check to see if the bond already exists. */ - list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) - if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) { - printk(KERN_ERR DRV_NAME - ": cannot add bond %s; it already exists\n", - ifname); - res = -EPERM; - goto out; - } - printk(KERN_INFO DRV_NAME ": %s is being created...\n", ifname); - if (bond_create(ifname, &bonding_defaults, &bond)) { - printk(KERN_INFO DRV_NAME - ": %s interface already exists. Bond creation failed.\n", - ifname); - res = -EPERM; + rv = bond_create(ifname, &bonding_defaults, &bond); + if (rv) { + printk(KERN_INFO DRV_NAME ": Bond creation failed.\n"); + res = rv; } goto out; } if (command[0] == '-') { + rtnl_lock(); + down_write(&bonding_rwsem); + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) if (strnicmp(bond->dev->name, ifname, IFNAMSIZ) == 0) { - rtnl_lock(); /* check the ref count on the bond's kobject. * If it's > expected, then there's a file open, * and we have to fail. */ if (atomic_read(&bond->dev->dev.kobj.kref.refcount) > expected_refcount){ - rtnl_unlock(); printk(KERN_INFO DRV_NAME ": Unable remove bond %s due to open references.\n", ifname); @@ -164,6 +152,7 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t ": %s is being deleted...\n", bond->dev->name); bond_destroy(bond); + up_write(&bonding_rwsem); rtnl_unlock(); goto out; } @@ -171,6 +160,8 @@ static ssize_t bonding_store_bonds(struct class *cls, const char *buffer, size_t printk(KERN_ERR DRV_NAME ": unable to delete non-existent bond %s\n", ifname); res = -ENODEV; + up_write(&bonding_rwsem); + rtnl_unlock(); goto out; } @@ -183,7 +174,6 @@ err_no_cmd: * get called forever, which is bad. */ out: - up_write(&(bonding_rwsem)); return res; } /* class attribute for bond_masters file. This ends up in /sys/class/net */ @@ -271,6 +261,9 @@ static ssize_t bonding_store_slaves(struct device *d, /* Note: We can't hold bond->lock here, as bond_create grabs it. */ + rtnl_lock(); + down_write(&(bonding_rwsem)); + sscanf(buffer, "%16s", command); /* IFNAMSIZ*/ ifname = command + 1; if ((strlen(command) <= 1) || @@ -336,12 +329,10 @@ static ssize_t bonding_store_slaves(struct device *d, dev->mtu = bond->dev->mtu; } } - rtnl_lock(); res = bond_enslave(bond->dev, dev); bond_for_each_slave(bond, slave, i) if (strnicmp(slave->dev->name, ifname, IFNAMSIZ) == 0) slave->original_mtu = original_mtu; - rtnl_unlock(); if (res) { ret = res; } @@ -359,12 +350,10 @@ static ssize_t bonding_store_slaves(struct device *d, if (dev) { printk(KERN_INFO DRV_NAME ": %s: Removing slave %s\n", bond->dev->name, dev->name); - rtnl_lock(); if (bond->setup_by_slave) res = bond_release_and_destroy(bond->dev, dev); else res = bond_release(bond->dev, dev); - rtnl_unlock(); if (res) { ret = res; goto out; @@ -389,6 +378,8 @@ err_no_cmd: ret = -EPERM; out: + up_write(&(bonding_rwsem)); + rtnl_unlock(); return ret; } @@ -423,7 +414,7 @@ static ssize_t bonding_store_mode(struct device *d, goto out; } - new_value = bond_parse_parm((char *)buf, bond_mode_tbl); + new_value = bond_parse_parm(buf, bond_mode_tbl); if (new_value < 0) { printk(KERN_ERR DRV_NAME ": %s: Ignoring invalid mode value %.*s.\n", @@ -478,7 +469,7 @@ static ssize_t bonding_store_xmit_hash(struct device *d, goto out; } - new_value = bond_parse_parm((char *)buf, xmit_hashtype_tbl); + new_value = bond_parse_parm(buf, xmit_hashtype_tbl); if (new_value < 0) { printk(KERN_ERR DRV_NAME ": %s: Ignoring invalid xmit hash policy value %.*s.\n", @@ -518,7 +509,7 @@ static ssize_t bonding_store_arp_validate(struct device *d, int new_value; struct bonding *bond = to_bond(d); - new_value = bond_parse_parm((char *)buf, arp_validate_tbl); + new_value = bond_parse_parm(buf, arp_validate_tbl); if (new_value < 0) { printk(KERN_ERR DRV_NAME ": %s: Ignoring invalid arp_validate value %s\n", @@ -941,7 +932,7 @@ static ssize_t bonding_store_lacp(struct device *d, goto out; } - new_value = bond_parse_parm((char *)buf, bond_lacp_tbl); + new_value = bond_parse_parm(buf, bond_lacp_tbl); if ((new_value == 1) || (new_value == 0)) { bond->params.lacp_fast = new_value; @@ -1075,7 +1066,10 @@ static ssize_t bonding_store_primary(struct device *d, struct slave *slave; struct bonding *bond = to_bond(d); - write_lock_bh(&bond->lock); + rtnl_lock(); + read_lock(&bond->lock); + write_lock_bh(&bond->curr_slave_lock); + if (!USES_PRIMARY(bond->params.mode)) { printk(KERN_INFO DRV_NAME ": %s: Unable to set primary slave; %s is in mode %d\n", @@ -1109,8 +1103,8 @@ static ssize_t bonding_store_primary(struct device *d, } } out: - write_unlock_bh(&bond->lock); - + write_unlock_bh(&bond->curr_slave_lock); + read_unlock(&bond->lock); rtnl_unlock(); return count; @@ -1190,7 +1184,8 @@ static ssize_t bonding_store_active_slave(struct device *d, struct bonding *bond = to_bond(d); rtnl_lock(); - write_lock_bh(&bond->lock); + read_lock(&bond->lock); + write_lock_bh(&bond->curr_slave_lock); if (!USES_PRIMARY(bond->params.mode)) { printk(KERN_INFO DRV_NAME @@ -1247,7 +1242,8 @@ static ssize_t bonding_store_active_slave(struct device *d, } } out: - write_unlock_bh(&bond->lock); + write_unlock_bh(&bond->curr_slave_lock); + read_unlock(&bond->lock); rtnl_unlock(); return count; @@ -1418,8 +1414,6 @@ int bond_create_sysfs(void) int ret = 0; struct bonding *firstbond; - init_rwsem(&bonding_rwsem); - /* get the netdev class pointer */ firstbond = container_of(bond_dev_list.next, struct bonding, bond_list); if (!firstbond) diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index e1e4734e23c..6d83be49899 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -141,6 +141,8 @@ struct bond_parm_tbl { int mode; }; +#define BOND_MAX_MODENAME_LEN 20 + struct vlan_entry { struct list_head vlan_list; __be32 vlan_ip; @@ -314,7 +316,7 @@ void bond_mii_monitor(struct work_struct *); void bond_loadbalance_arp_mon(struct work_struct *); void bond_activebackup_arp_mon(struct work_struct *); void bond_set_mode_ops(struct bonding *bond, int mode); -int bond_parse_parm(char *mode_arg, struct bond_parm_tbl *tbl); +int bond_parse_parm(const char *mode_arg, struct bond_parm_tbl *tbl); void bond_select_active_slave(struct bonding *bond); void bond_change_active_slave(struct bonding *bond, struct slave *new_active); void bond_register_arp(struct bonding *); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 13d57b0a88f..0c9a6f7104d 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -3919,7 +3919,7 @@ e1000_clean(struct napi_struct *napi, int budget) { struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); struct net_device *poll_dev = adapter->netdev; - int work_done = 0; + int tx_cleaned = 0, work_done = 0; /* Must NOT use netdev_priv macro here. */ adapter = poll_dev->priv; @@ -3929,14 +3929,17 @@ e1000_clean(struct napi_struct *napi, int budget) * simultaneously. A failure obtaining the lock means * tx_ring[0] is currently being cleaned anyway. */ if (spin_trylock(&adapter->tx_queue_lock)) { - e1000_clean_tx_irq(adapter, - &adapter->tx_ring[0]); + tx_cleaned = e1000_clean_tx_irq(adapter, + &adapter->tx_ring[0]); spin_unlock(&adapter->tx_queue_lock); } adapter->clean_rx(adapter, &adapter->rx_ring[0], &work_done, budget); + if (tx_cleaned) + work_done = budget; + /* If budget not fully consumed, exit the polling mode */ if (work_done < budget) { if (likely(adapter->itr_setting & 3)) diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 4a6fc745377..2ab3bfbb8a6 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -1384,7 +1384,7 @@ static int e1000_clean(struct napi_struct *napi, int budget) { struct e1000_adapter *adapter = container_of(napi, struct e1000_adapter, napi); struct net_device *poll_dev = adapter->netdev; - int work_done = 0; + int tx_cleaned = 0, work_done = 0; /* Must NOT use netdev_priv macro here. */ adapter = poll_dev->priv; @@ -1394,12 +1394,15 @@ static int e1000_clean(struct napi_struct *napi, int budget) * simultaneously. A failure obtaining the lock means * tx_ring is currently being cleaned anyway. */ if (spin_trylock(&adapter->tx_queue_lock)) { - e1000_clean_tx_irq(adapter); + tx_cleaned = e1000_clean_tx_irq(adapter); spin_unlock(&adapter->tx_queue_lock); } adapter->clean_rx(adapter, &work_done, budget); + if (tx_cleaned) + work_done = budget; + /* If budget not fully consumed, exit the polling mode */ if (work_done < budget) { if (adapter->itr_setting & 3) diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index a5649161766..de3f45e4c5a 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1468,13 +1468,16 @@ static int ixgbe_clean(struct napi_struct *napi, int budget) struct ixgbe_adapter *adapter = container_of(napi, struct ixgbe_adapter, napi); struct net_device *netdev = adapter->netdev; - int work_done = 0; + int tx_cleaned = 0, work_done = 0; /* In non-MSIX case, there is no multi-Tx/Rx queue */ - ixgbe_clean_tx_irq(adapter, adapter->tx_ring); + tx_cleaned = ixgbe_clean_tx_irq(adapter, adapter->tx_ring); ixgbe_clean_rx_irq(adapter, &adapter->rx_ring[0], &work_done, budget); + if (tx_cleaned) + work_done = budget; + /* If budget not fully consumed, exit the polling mode */ if (work_done < budget) { netif_rx_complete(netdev, napi); diff --git a/drivers/net/niu.c b/drivers/net/niu.c index 3bbcea11329..5f6beabf2d1 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -1319,6 +1319,7 @@ static int link_status_10g(struct niu *np, int *link_up_p) static int link_status_1g(struct niu *np, int *link_up_p) { + struct niu_link_config *lp = &np->link_config; u16 current_speed, bmsr; unsigned long flags; u8 current_duplex; @@ -1386,6 +1387,8 @@ static int link_status_1g(struct niu *np, int *link_up_p) link_up = 0; } } + lp->active_speed = current_speed; + lp->active_duplex = current_duplex; err = 0; out: diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c index f7b8648acbf..6b9840cce0f 100644 --- a/drivers/pnp/pnpacpi/rsparser.c +++ b/drivers/pnp/pnpacpi/rsparser.c @@ -215,6 +215,7 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res, } else if (!warned) { printk(KERN_ERR "pnpacpi: exceeded the max number of IO " "resources: %d \n", PNP_MAX_PORT); + warned = 1; } } @@ -242,6 +243,7 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res, } else if (!warned) { printk(KERN_ERR "pnpacpi: exceeded the max number of mem " "resources: %d\n", PNP_MAX_MEM); + warned = 1; } } diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c index 8d81ef019c6..08d07255223 100644 --- a/drivers/video/modedb.c +++ b/drivers/video/modedb.c @@ -259,6 +259,10 @@ static const struct fb_videomode modedb[] = { /* 1366x768, 60 Hz, 47.403 kHz hsync, WXGA 16:9 aspect ratio */ NULL, 60, 1366, 768, 13806, 120, 10, 14, 3, 32, 5, 0, FB_VMODE_NONINTERLACED + }, { + /* 1280x800, 60 Hz, 47.403 kHz hsync, WXGA 16:10 aspect ratio */ + NULL, 60, 1280, 800, 12048, 200, 64, 24, 1, 136, 3, + 0, FB_VMODE_NONINTERLACED }, }; diff --git a/fs/hfs/btree.c b/fs/hfs/btree.c index 31284c77bba..110dd3515dc 100644 --- a/fs/hfs/btree.c +++ b/fs/hfs/btree.c @@ -61,7 +61,7 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke mapping = tree->inode->i_mapping; page = read_mapping_page(mapping, 0, NULL); if (IS_ERR(page)) - goto free_tree; + goto free_inode; /* Load the header */ head = (struct hfs_btree_header_rec *)(kmap(page) + sizeof(struct hfs_bnode_desc)); @@ -99,11 +99,12 @@ struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id, btree_keycmp ke page_cache_release(page); return tree; - fail_page: +fail_page: page_cache_release(page); - free_tree: +free_inode: tree->inode->i_mapping->a_ops = &hfs_aops; iput(tree->inode); +free_tree: kfree(tree); return NULL; } diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index 08ff6c7028c..038ed743619 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -288,10 +288,12 @@ handle_t *journal_start(journal_t *journal, int nblocks) jbd_free_handle(handle); current->journal_info = NULL; handle = ERR_PTR(err); + goto out; } lock_acquire(&handle->h_lockdep_map, 0, 0, 0, 2, _THIS_IP_); +out: return handle; } diff --git a/include/asm-cris/page.h b/include/asm-cris/page.h index 0648e3153f8..b84353ef699 100644 --- a/include/asm-cris/page.h +++ b/include/asm-cris/page.h @@ -4,14 +4,11 @@ #ifdef __KERNEL__ #include <asm/arch/page.h> +#include <linux/const.h> /* PAGE_SHIFT determines the page size */ #define PAGE_SHIFT 13 -#ifndef __ASSEMBLY__ -#define PAGE_SIZE (1UL << PAGE_SHIFT) -#else -#define PAGE_SIZE (1 << PAGE_SHIFT) -#endif +#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) #define PAGE_MASK (~(PAGE_SIZE-1)) #define clear_page(page) memset((void *)(page), 0, PAGE_SIZE) diff --git a/kernel/kmod.c b/kernel/kmod.c index c6a4f8aebeb..bb7df2a28bd 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -451,13 +451,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, enum umh_wait wait) { DECLARE_COMPLETION_ONSTACK(done); - int retval; + int retval = 0; helper_lock(); - if (sub_info->path[0] == '\0') { - retval = 0; + if (sub_info->path[0] == '\0') goto out; - } if (!khelper_wq || usermodehelper_disabled) { retval = -EBUSY; @@ -468,13 +466,14 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, sub_info->wait = wait; queue_work(khelper_wq, &sub_info->work); - if (wait == UMH_NO_WAIT) /* task has freed sub_info */ - return 0; + if (wait == UMH_NO_WAIT) /* task has freed sub_info */ + goto unlock; wait_for_completion(&done); retval = sub_info->retval; - out: +out: call_usermodehelper_freeinfo(sub_info); +unlock: helper_unlock(); return retval; } diff --git a/mm/memory.c b/mm/memory.c index 4bf0b6d0eb2..6dd1cd88bfb 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -392,6 +392,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_ return NULL; } +#ifdef CONFIG_DEBUG_VM /* * Add some anal sanity checks for now. Eventually, * we should just do "return pfn_to_page(pfn)", but @@ -402,6 +403,7 @@ struct page *vm_normal_page(struct vm_area_struct *vma, unsigned long addr, pte_ print_bad_pte(vma, pte, addr); return NULL; } +#endif /* * NOTE! We still have PageReserved() pages in the page diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e1028fae3eb..b2838c24e58 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2566,7 +2566,7 @@ static void __meminit zone_init_free_lists(struct pglist_data *pgdat, memmap_init_zone((size), (nid), (zone), (start_pfn), MEMMAP_EARLY) #endif -static int __devinit zone_batchsize(struct zone *zone) +static int zone_batchsize(struct zone *zone) { int batch; |