diff --git a/[refs] b/[refs] index 4e06097c59c1..6247ee3fecaa 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: c84e295b304f7359ee89645d099d79d3a4648c0b +refs/heads/master: 7df898b1a70b13c3a8892625f4ead929d9554293 diff --git a/trunk/Documentation/DocBook/device-drivers.tmpl b/trunk/Documentation/DocBook/device-drivers.tmpl index 9c27e5125dd2..2f7fd4360848 100644 --- a/trunk/Documentation/DocBook/device-drivers.tmpl +++ b/trunk/Documentation/DocBook/device-drivers.tmpl @@ -102,12 +102,9 @@ X!Iinclude/linux/kobject.h !Iinclude/linux/device.h Device Drivers Base -!Idrivers/base/init.c !Edrivers/base/driver.c !Edrivers/base/core.c -!Edrivers/base/syscore.c !Edrivers/base/class.c -!Idrivers/base/node.c !Edrivers/base/firmware_class.c !Edrivers/base/transport_class.c -!Edrivers/base/dd.c +!Edrivers/base/sys.c !Iinclude/linux/platform_device.h !Edrivers/base/platform.c !Edrivers/base/bus.c - - Device Drivers DMA Management -!Edrivers/base/dma-buf.c -!Edrivers/base/dma-coherent.c -!Edrivers/base/dma-mapping.c Device Drivers Power Management !Edrivers/base/power/main.c @@ -227,7 +219,7 @@ X!Isound/sound_firmware.c 16x50 UART Driver !Edrivers/tty/serial/serial_core.c -!Edrivers/tty/serial/8250/8250.c +!Edrivers/tty/serial/8250.c diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS index 252972b6c4a0..a1fce9a3ab20 100644 --- a/trunk/MAINTAINERS +++ b/trunk/MAINTAINERS @@ -159,7 +159,7 @@ S: Maintained F: drivers/net/ethernet/realtek/r8169.c 8250/16?50 (AND CLONE UARTS) SERIAL DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-serial@vger.kernel.org W: http://serial.sourceforge.net S: Maintained @@ -1783,9 +1783,9 @@ X: net/wireless/wext* CHAR and MISC DRIVERS M: Arnd Bergmann -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git -S: Supported +S: Maintained F: drivers/char/* F: drivers/misc/* @@ -2320,7 +2320,7 @@ F: lib/lru_cache.c F: Documentation/blockdev/drbd/ DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6.git S: Supported F: Documentation/kobject.txt @@ -6276,15 +6276,15 @@ S: Maintained F: arch/alpha/kernel/srm_env.c STABLE BRANCH -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: stable@vger.kernel.org -S: Supported +S: Maintained STAGING SUBSYSTEM -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git L: devel@driverdev.osuosl.org -S: Supported +S: Maintained F: drivers/staging/ STAGING - AGERE HERMES II and II.5 WIRELESS DRIVERS @@ -6669,8 +6669,8 @@ S: Maintained K: ^Subject:.*(?i)trivial TTY LAYER -M: Greg Kroah-Hartman -S: Supported +M: Greg Kroah-Hartman +S: Maintained T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6.git F: drivers/tty/ F: drivers/tty/serial/serial_core.c @@ -6958,7 +6958,7 @@ S: Maintained F: drivers/usb/serial/digi_acceleport.c USB SERIAL DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org S: Supported F: Documentation/usb/usb-serial.txt @@ -6973,8 +6973,9 @@ S: Maintained F: drivers/usb/serial/empeg.c USB SERIAL KEYSPAN DRIVER -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org +W: http://www.kroah.com/linux/ S: Maintained F: drivers/usb/serial/*keyspan* @@ -7002,7 +7003,7 @@ F: Documentation/video4linux/sn9c102.txt F: drivers/media/video/sn9c102/ USB SUBSYSTEM -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman L: linux-usb@vger.kernel.org W: http://www.linux-usb.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6.git @@ -7089,7 +7090,7 @@ F: fs/hppfs/ USERSPACE I/O (UIO) M: "Hans J. Koch" -M: Greg Kroah-Hartman +M: Greg Kroah-Hartman S: Maintained F: Documentation/DocBook/uio-howto.tmpl F: drivers/uio/ diff --git a/trunk/arch/microblaze/kernel/setup.c b/trunk/arch/microblaze/kernel/setup.c index 604cd9dd1333..d4fc1a971779 100644 --- a/trunk/arch/microblaze/kernel/setup.c +++ b/trunk/arch/microblaze/kernel/setup.c @@ -26,6 +26,7 @@ #include #include #include +#include #include #include #include @@ -226,5 +227,23 @@ static int __init setup_bus_notifier(void) return 0; } - arch_initcall(setup_bus_notifier); + +static DEFINE_PER_CPU(struct cpu, cpu_devices); + +static int __init topology_init(void) +{ + int i, ret; + + for_each_present_cpu(i) { + struct cpu *c = &per_cpu(cpu_devices, i); + + ret = register_cpu(c, i); + if (ret) + printk(KERN_WARNING "topology_init: register_cpu %d " + "failed (%d)\n", i, ret); + } + + return 0; +} +subsys_initcall(topology_init); diff --git a/trunk/arch/sparc/Kconfig b/trunk/arch/sparc/Kconfig index ca5580e4d813..96657992a72e 100644 --- a/trunk/arch/sparc/Kconfig +++ b/trunk/arch/sparc/Kconfig @@ -33,7 +33,6 @@ config SPARC config SPARC32 def_bool !64BIT select GENERIC_ATOMIC64 - select CLZ_TAB config SPARC64 def_bool 64BIT diff --git a/trunk/arch/sparc/lib/divdi3.S b/trunk/arch/sparc/lib/divdi3.S index d74bc0925f2d..681b3683da9e 100644 --- a/trunk/arch/sparc/lib/divdi3.S +++ b/trunk/arch/sparc/lib/divdi3.S @@ -17,9 +17,23 @@ along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + .data + .align 8 + .globl __clz_tab +__clz_tab: + .byte 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5 + .byte 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6 + .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 + .byte 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 + .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 + .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 + .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 + .byte 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8 + .size __clz_tab,256 + .global .udiv + .text .align 4 - .global .udiv .globl __divdi3 __divdi3: save %sp,-104,%sp diff --git a/trunk/arch/x86/include/asm/cmpxchg.h b/trunk/arch/x86/include/asm/cmpxchg.h index b3b733262909..0c9fa2745f13 100644 --- a/trunk/arch/x86/include/asm/cmpxchg.h +++ b/trunk/arch/x86/include/asm/cmpxchg.h @@ -145,13 +145,13 @@ extern void __add_wrong_size(void) #ifdef __HAVE_ARCH_CMPXCHG #define cmpxchg(ptr, old, new) \ - __cmpxchg(ptr, old, new, sizeof(*(ptr))) + __cmpxchg((ptr), (old), (new), sizeof(*ptr)) #define sync_cmpxchg(ptr, old, new) \ - __sync_cmpxchg(ptr, old, new, sizeof(*(ptr))) + __sync_cmpxchg((ptr), (old), (new), sizeof(*ptr)) #define cmpxchg_local(ptr, old, new) \ - __cmpxchg_local(ptr, old, new, sizeof(*(ptr))) + __cmpxchg_local((ptr), (old), (new), sizeof(*ptr)) #endif /* diff --git a/trunk/arch/x86/kernel/dumpstack.c b/trunk/arch/x86/kernel/dumpstack.c index 4025fe4f928f..1aae78f775fc 100644 --- a/trunk/arch/x86/kernel/dumpstack.c +++ b/trunk/arch/x86/kernel/dumpstack.c @@ -252,8 +252,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) unsigned short ss; unsigned long sp; #endif - printk(KERN_DEFAULT - "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); + printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT printk("PREEMPT "); #endif diff --git a/trunk/arch/x86/kernel/dumpstack_64.c b/trunk/arch/x86/kernel/dumpstack_64.c index 17107bd6e1f0..6d728d9284bd 100644 --- a/trunk/arch/x86/kernel/dumpstack_64.c +++ b/trunk/arch/x86/kernel/dumpstack_64.c @@ -129,7 +129,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, if (!stack) { if (regs) stack = (unsigned long *)regs->sp; - else if (task != current) + else if (task && task != current) stack = (unsigned long *)task->thread.sp; else stack = &dummy; @@ -269,11 +269,11 @@ void show_registers(struct pt_regs *regs) unsigned char c; u8 *ip; - printk(KERN_DEFAULT "Stack:\n"); + printk(KERN_EMERG "Stack:\n"); show_stack_log_lvl(NULL, regs, (unsigned long *)sp, - 0, KERN_DEFAULT); + 0, KERN_EMERG); - printk(KERN_DEFAULT "Code: "); + printk(KERN_EMERG "Code: "); ip = (u8 *)regs->ip - code_prologue; if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { diff --git a/trunk/arch/x86/kernel/reboot.c b/trunk/arch/x86/kernel/reboot.c index d840e69a853c..37a458b521a6 100644 --- a/trunk/arch/x86/kernel/reboot.c +++ b/trunk/arch/x86/kernel/reboot.c @@ -39,14 +39,6 @@ static int reboot_mode; enum reboot_type reboot_type = BOOT_ACPI; int reboot_force; -/* This variable is used privately to keep track of whether or not - * reboot_type is still set to its default value (i.e., reboot= hasn't - * been set on the command line). This is needed so that we can - * suppress DMI scanning for reboot quirks. Without it, it's - * impossible to override a faulty reboot quirk without recompiling. - */ -static int reboot_default = 1; - #if defined(CONFIG_X86_32) && defined(CONFIG_SMP) static int reboot_cpu = -1; #endif @@ -75,12 +67,6 @@ bool port_cf9_safe = false; static int __init reboot_setup(char *str) { for (;;) { - /* Having anything passed on the command line via - * reboot= will cause us to disable DMI checking - * below. - */ - reboot_default = 0; - switch (*str) { case 'w': reboot_mode = 0x1234; @@ -309,6 +295,14 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "P4S800"), }, }, + { /* Handle problems with rebooting on VersaLogic Menlow boards */ + .callback = set_bios_reboot, + .ident = "VersaLogic Menlow based board", + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "VersaLogic Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "VersaLogic Menlow board"), + }, + }, { /* Handle reboot issue on Acer Aspire one */ .callback = set_kbd_reboot, .ident = "Acer Aspire One A110", @@ -322,12 +316,7 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = { static int __init reboot_init(void) { - /* Only do the DMI check if reboot_type hasn't been overridden - * on the command line - */ - if (reboot_default) { - dmi_check_system(reboot_dmi_table); - } + dmi_check_system(reboot_dmi_table); return 0; } core_initcall(reboot_init); @@ -476,12 +465,7 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = { static int __init pci_reboot_init(void) { - /* Only do the DMI check if reboot_type hasn't been overridden - * on the command line - */ - if (reboot_default) { - dmi_check_system(pci_reboot_dmi_table); - } + dmi_check_system(pci_reboot_dmi_table); return 0; } core_initcall(pci_reboot_init); diff --git a/trunk/arch/x86/mm/fault.c b/trunk/arch/x86/mm/fault.c index f0b4caf85c1a..9d74824a708d 100644 --- a/trunk/arch/x86/mm/fault.c +++ b/trunk/arch/x86/mm/fault.c @@ -673,7 +673,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, stackend = end_of_stack(tsk); if (tsk != &init_task && *stackend != STACK_END_MAGIC) - printk(KERN_EMERG "Thread overran stack, or stack corrupted\n"); + printk(KERN_ALERT "Thread overran stack, or stack corrupted\n"); tsk->thread.cr2 = address; tsk->thread.trap_no = 14; @@ -684,7 +684,7 @@ no_context(struct pt_regs *regs, unsigned long error_code, sig = 0; /* Executive summary in case the body of the oops scrolled away */ - printk(KERN_DEFAULT "CR2: %016lx\n", address); + printk(KERN_EMERG "CR2: %016lx\n", address); oops_end(flags, regs, sig); } diff --git a/trunk/drivers/firewire/ohci.c b/trunk/drivers/firewire/ohci.c index 7f5f0da726da..6628feaa7622 100644 --- a/trunk/drivers/firewire/ohci.c +++ b/trunk/drivers/firewire/ohci.c @@ -263,7 +263,6 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card) static char ohci_driver_name[] = KBUILD_MODNAME; #define PCI_DEVICE_ID_AGERE_FW643 0x5901 -#define PCI_DEVICE_ID_CREATIVE_SB1394 0x4001 #define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380 #define PCI_DEVICE_ID_TI_TSB12LV22 0x8009 #define PCI_DEVICE_ID_TI_TSB12LV26 0x8020 @@ -290,9 +289,6 @@ static const struct { {PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6, QUIRK_NO_MSI}, - {PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID, - QUIRK_RESET_PACKET}, - {PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID, QUIRK_NO_MSI}, @@ -303,7 +299,7 @@ static const struct { QUIRK_NO_MSI}, {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID, - QUIRK_CYCLE_TIMER | QUIRK_NO_MSI}, + QUIRK_CYCLE_TIMER}, {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID, QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A}, diff --git a/trunk/drivers/gpu/drm/nouveau/nouveau_bios.h b/trunk/drivers/gpu/drm/nouveau/nouveau_bios.h index 1e382ad5a2b8..a37c31e358aa 100644 --- a/trunk/drivers/gpu/drm/nouveau/nouveau_bios.h +++ b/trunk/drivers/gpu/drm/nouveau/nouveau_bios.h @@ -54,9 +54,10 @@ struct bit_entry { int bit_table(struct drm_device *, u8 id, struct bit_entry *); enum dcb_gpio_tag { - DCB_GPIO_TVDAC0 = 0xc, + DCB_GPIO_PANEL_POWER = 0x01, + DCB_GPIO_TVDAC0 = 0x0c, DCB_GPIO_TVDAC1 = 0x2d, - DCB_GPIO_PWM_FAN = 0x9, + DCB_GPIO_PWM_FAN = 0x09, DCB_GPIO_FAN_SENSE = 0x3d, DCB_GPIO_UNUSED = 0xff }; diff --git a/trunk/drivers/gpu/drm/nouveau/nouveau_display.c b/trunk/drivers/gpu/drm/nouveau/nouveau_display.c index 3cb52bc52b21..795a9e3c990a 100644 --- a/trunk/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/trunk/drivers/gpu/drm/nouveau/nouveau_display.c @@ -219,6 +219,16 @@ nouveau_display_init(struct drm_device *dev) if (ret) return ret; + /* power on internal panel if it's not already. the init tables of + * some vbios default this to off for some reason, causing the + * panel to not work after resume + */ + if (nouveau_gpio_func_get(dev, DCB_GPIO_PANEL_POWER) == 0) { + nouveau_gpio_func_set(dev, DCB_GPIO_PANEL_POWER, true); + msleep(300); + } + + /* enable polling for external displays */ drm_kms_helper_poll_enable(dev); /* enable hotplug interrupts */ diff --git a/trunk/drivers/infiniband/core/ucma.c b/trunk/drivers/infiniband/core/ucma.c index 5034a87cc72d..b37b0c02a7b9 100644 --- a/trunk/drivers/infiniband/core/ucma.c +++ b/trunk/drivers/infiniband/core/ucma.c @@ -808,12 +808,9 @@ static ssize_t ucma_accept(struct ucma_file *file, const char __user *inbuf, return PTR_ERR(ctx); if (cmd.conn_param.valid) { + ctx->uid = cmd.uid; ucma_copy_conn_param(&conn_param, &cmd.conn_param); - mutex_lock(&file->mut); ret = rdma_accept(ctx->cm_id, &conn_param); - if (!ret) - ctx->uid = cmd.uid; - mutex_unlock(&file->mut); } else ret = rdma_accept(ctx->cm_id, NULL); diff --git a/trunk/drivers/infiniband/core/uverbs_cmd.c b/trunk/drivers/infiniband/core/uverbs_cmd.c index 4d27e4c3fe34..b930da4c0c63 100644 --- a/trunk/drivers/infiniband/core/uverbs_cmd.c +++ b/trunk/drivers/infiniband/core/uverbs_cmd.c @@ -1485,7 +1485,6 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file, qp->event_handler = attr.event_handler; qp->qp_context = attr.qp_context; qp->qp_type = attr.qp_type; - atomic_set(&qp->usecnt, 0); atomic_inc(&pd->usecnt); atomic_inc(&attr.send_cq->usecnt); if (attr.recv_cq) diff --git a/trunk/drivers/infiniband/core/verbs.c b/trunk/drivers/infiniband/core/verbs.c index 575b78045aaf..602b1bd723a9 100644 --- a/trunk/drivers/infiniband/core/verbs.c +++ b/trunk/drivers/infiniband/core/verbs.c @@ -421,7 +421,6 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, qp->uobject = NULL; qp->qp_type = qp_init_attr->qp_type; - atomic_set(&qp->usecnt, 0); if (qp_init_attr->qp_type == IB_QPT_XRC_TGT) { qp->event_handler = __ib_shared_qp_event_handler; qp->qp_context = qp; @@ -431,6 +430,7 @@ struct ib_qp *ib_create_qp(struct ib_pd *pd, qp->xrcd = qp_init_attr->xrcd; atomic_inc(&qp_init_attr->xrcd->usecnt); INIT_LIST_HEAD(&qp->open_list); + atomic_set(&qp->usecnt, 0); real_qp = qp; qp = __ib_open_qp(real_qp, qp_init_attr->event_handler, diff --git a/trunk/drivers/infiniband/hw/ipath/ipath_fs.c b/trunk/drivers/infiniband/hw/ipath/ipath_fs.c index a4de9d58e9b4..b7d4216db3c3 100644 --- a/trunk/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/trunk/drivers/infiniband/hw/ipath/ipath_fs.c @@ -89,7 +89,7 @@ static int create_file(const char *name, umode_t mode, error = ipathfs_mknod(parent->d_inode, *dentry, mode, fops, data); else - error = PTR_ERR(*dentry); + error = PTR_ERR(dentry); mutex_unlock(&parent->d_inode->i_mutex); return error; diff --git a/trunk/drivers/infiniband/hw/mlx4/mad.c b/trunk/drivers/infiniband/hw/mlx4/mad.c index 259b0670b51c..95c94d8f0254 100644 --- a/trunk/drivers/infiniband/hw/mlx4/mad.c +++ b/trunk/drivers/infiniband/hw/mlx4/mad.c @@ -257,9 +257,12 @@ static int ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num, return IB_MAD_RESULT_SUCCESS; /* - * Don't process SMInfo queries -- the SMA can't handle them. + * Don't process SMInfo queries or vendor-specific + * MADs -- the SMA can't handle them. */ - if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO) + if (in_mad->mad_hdr.attr_id == IB_SMP_ATTR_SM_INFO || + ((in_mad->mad_hdr.attr_id & IB_SMP_ATTR_VENDOR_MASK) == + IB_SMP_ATTR_VENDOR_MASK)) return IB_MAD_RESULT_SUCCESS; } else if (in_mad->mad_hdr.mgmt_class == IB_MGMT_CLASS_PERF_MGMT || in_mad->mad_hdr.mgmt_class == MLX4_IB_VENDOR_CLASS1 || diff --git a/trunk/drivers/infiniband/hw/nes/nes.c b/trunk/drivers/infiniband/hw/nes/nes.c index 7140199f562e..7013da5e9eda 100644 --- a/trunk/drivers/infiniband/hw/nes/nes.c +++ b/trunk/drivers/infiniband/hw/nes/nes.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/trunk/drivers/infiniband/hw/nes/nes.h b/trunk/drivers/infiniband/hw/nes/nes.h index c438e4691b3c..568b4f11380a 100644 --- a/trunk/drivers/infiniband/hw/nes/nes.h +++ b/trunk/drivers/infiniband/hw/nes/nes.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/trunk/drivers/infiniband/hw/nes/nes_cm.c b/trunk/drivers/infiniband/hw/nes/nes_cm.c index a4972abedef1..425065b36b8c 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_cm.c +++ b/trunk/drivers/infiniband/hw/nes/nes_cm.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -233,7 +233,6 @@ static int send_mpa_reject(struct nes_cm_node *cm_node) u8 *start_ptr = &start_addr; u8 **start_buff = &start_ptr; u16 buff_len = 0; - struct ietf_mpa_v1 *mpa_frame; skb = dev_alloc_skb(MAX_CM_BUFFER); if (!skb) { @@ -243,8 +242,6 @@ static int send_mpa_reject(struct nes_cm_node *cm_node) /* send an MPA reject frame */ cm_build_mpa_frame(cm_node, start_buff, &buff_len, NULL, MPA_KEY_REPLY); - mpa_frame = (struct ietf_mpa_v1 *)*start_buff; - mpa_frame->flags |= IETF_MPA_FLAGS_REJECT; form_cm_frame(skb, cm_node, NULL, 0, *start_buff, buff_len, SET_ACK | SET_FIN); cm_node->state = NES_CM_STATE_FIN_WAIT1; @@ -1363,7 +1360,8 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi if (!memcmp(nesadapter->arp_table[arpindex].mac_addr, neigh->ha, ETH_ALEN)) { /* Mac address same as in nes_arp_table */ - goto out; + ip_rt_put(rt); + return rc; } nes_manage_arp_cache(nesvnic->netdev, @@ -1379,8 +1377,6 @@ static int nes_addr_resolve_neigh(struct nes_vnic *nesvnic, u32 dst_ip, int arpi neigh_event_send(neigh, NULL); } } - -out: rcu_read_unlock(); ip_rt_put(rt); return rc; diff --git a/trunk/drivers/infiniband/hw/nes/nes_cm.h b/trunk/drivers/infiniband/hw/nes/nes_cm.h index 4646e6666087..bdfa1fbb35fc 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_cm.h +++ b/trunk/drivers/infiniband/hw/nes/nes_cm.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_context.h b/trunk/drivers/infiniband/hw/nes/nes_context.h index a69eef16d72d..b4393a16099d 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_context.h +++ b/trunk/drivers/infiniband/hw/nes/nes_context.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_hw.c b/trunk/drivers/infiniband/hw/nes/nes_hw.c index d42c9f435b1b..055f4b545df0 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_hw.c +++ b/trunk/drivers/infiniband/hw/nes/nes_hw.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_hw.h b/trunk/drivers/infiniband/hw/nes/nes_hw.h index d748e4b31b8d..0b590e152c6a 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_hw.h +++ b/trunk/drivers/infiniband/hw/nes/nes_hw.h @@ -1,5 +1,5 @@ /* -* Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. +* Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_mgt.c b/trunk/drivers/infiniband/hw/nes/nes_mgt.c index 3ba7be369452..b3b2a240c6e9 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_mgt.c +++ b/trunk/drivers/infiniband/hw/nes/nes_mgt.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. + * Copyright (c) 2006 - 2009 Intel-NE, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_mgt.h b/trunk/drivers/infiniband/hw/nes/nes_mgt.h index 4f7f701c4a81..8c8af254555a 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_mgt.h +++ b/trunk/drivers/infiniband/hw/nes/nes_mgt.h @@ -1,5 +1,5 @@ /* -* Copyright (c) 2006 - 2011 Intel-NE, Inc. All rights reserved. +* Copyright (c) 2010 Intel-NE, Inc. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_nic.c b/trunk/drivers/infiniband/hw/nes/nes_nic.c index f3a3ecf8d09e..4b3fa711a247 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_nic.c +++ b/trunk/drivers/infiniband/hw/nes/nes_nic.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_user.h b/trunk/drivers/infiniband/hw/nes/nes_user.h index 4926de744488..71e133ab209b 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_user.h +++ b/trunk/drivers/infiniband/hw/nes/nes_user.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * Copyright (c) 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Cisco Systems. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. diff --git a/trunk/drivers/infiniband/hw/nes/nes_utils.c b/trunk/drivers/infiniband/hw/nes/nes_utils.c index e98f4fc0b768..8b4c2ff54888 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_utils.c +++ b/trunk/drivers/infiniband/hw/nes/nes_utils.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU diff --git a/trunk/drivers/infiniband/hw/nes/nes_verbs.c b/trunk/drivers/infiniband/hw/nes/nes_verbs.c index 0927b5cc65d3..5095bc41c6cc 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_verbs.c +++ b/trunk/drivers/infiniband/hw/nes/nes_verbs.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * * This software is available to you under a choice of one of two * licenses. You may choose to be licensed under the terms of the GNU @@ -3427,8 +3427,6 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr, set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_FMR_WQE_LENGTH_LOW_IDX, ib_wr->wr.fast_reg.length); - set_wqe_32bit_value(wqe->wqe_words, - NES_IWARP_SQ_FMR_WQE_LENGTH_HIGH_IDX, 0); set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_FMR_WQE_MR_STAG_IDX, ib_wr->wr.fast_reg.rkey); @@ -3726,7 +3724,7 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry) entry->opcode = IB_WC_SEND; break; case NES_IWARP_SQ_OP_LOCINV: - entry->opcode = IB_WC_LOCAL_INV; + entry->opcode = IB_WR_LOCAL_INV; break; case NES_IWARP_SQ_OP_FAST_REG: entry->opcode = IB_WC_FAST_REG_MR; diff --git a/trunk/drivers/infiniband/hw/nes/nes_verbs.h b/trunk/drivers/infiniband/hw/nes/nes_verbs.h index 0eff7c44d76b..fe6b6e92fa90 100644 --- a/trunk/drivers/infiniband/hw/nes/nes_verbs.h +++ b/trunk/drivers/infiniband/hw/nes/nes_verbs.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved. + * Copyright (c) 2006 - 2009 Intel Corporation. All rights reserved. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved. * * This software is available to you under a choice of one of two diff --git a/trunk/drivers/infiniband/hw/qib/qib_iba6120.c b/trunk/drivers/infiniband/hw/qib/qib_iba6120.c index d0c64d514813..4f18e2d332df 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_iba6120.c +++ b/trunk/drivers/infiniband/hw/qib/qib_iba6120.c @@ -2105,7 +2105,7 @@ static void alloc_dummy_hdrq(struct qib_devdata *dd) dd->cspec->dummy_hdrq = dma_alloc_coherent(&dd->pcidev->dev, dd->rcd[0]->rcvhdrq_size, &dd->cspec->dummy_hdrq_phys, - GFP_ATOMIC | __GFP_COMP); + GFP_KERNEL | __GFP_COMP); if (!dd->cspec->dummy_hdrq) { qib_devinfo(dd->pcidev, "Couldn't allocate dummy hdrq\n"); /* fallback to just 0'ing */ diff --git a/trunk/drivers/infiniband/hw/qib/qib_pcie.c b/trunk/drivers/infiniband/hw/qib/qib_pcie.c index 0fde788e1100..f695061d688e 100644 --- a/trunk/drivers/infiniband/hw/qib/qib_pcie.c +++ b/trunk/drivers/infiniband/hw/qib/qib_pcie.c @@ -560,7 +560,7 @@ static int qib_tune_pcie_coalesce(struct qib_devdata *dd) * BIOS may not set PCIe bus-utilization parameters for best performance. * Check and optionally adjust them to maximize our throughput. */ -static int qib_pcie_caps; +static int qib_pcie_caps = 0x51; module_param_named(pcie_caps, qib_pcie_caps, int, S_IRUGO); MODULE_PARM_DESC(pcie_caps, "Max PCIe tuning: Payload (0..3), ReadReq (4..7)"); diff --git a/trunk/drivers/staging/media/go7007/go7007-usb.c b/trunk/drivers/staging/media/go7007/go7007-usb.c index 5443e25086e9..70e006b50f29 100644 --- a/trunk/drivers/staging/media/go7007/go7007-usb.c +++ b/trunk/drivers/staging/media/go7007/go7007-usb.c @@ -1279,4 +1279,3 @@ static struct usb_driver go7007_usb_driver = { }; module_usb_driver(go7007_usb_driver); -MODULE_LICENSE("GPL v2"); diff --git a/trunk/fs/logfs/dev_mtd.c b/trunk/fs/logfs/dev_mtd.c index 9c501449450d..e97404d611e0 100644 --- a/trunk/fs/logfs/dev_mtd.c +++ b/trunk/fs/logfs/dev_mtd.c @@ -152,6 +152,9 @@ static struct page *logfs_mtd_find_first_sb(struct super_block *sb, u64 *ofs) filler_t *filler = logfs_mtd_readpage; struct mtd_info *mtd = super->s_mtd; + if (!mtd_can_have_bb(mtd)) + return NULL; + *ofs = 0; while (mtd_block_isbad(mtd, *ofs)) { *ofs += mtd->erasesize; @@ -169,6 +172,9 @@ static struct page *logfs_mtd_find_last_sb(struct super_block *sb, u64 *ofs) filler_t *filler = logfs_mtd_readpage; struct mtd_info *mtd = super->s_mtd; + if (!mtd_can_have_bb(mtd)) + return NULL; + *ofs = mtd->size - mtd->erasesize; while (mtd_block_isbad(mtd, *ofs)) { *ofs -= mtd->erasesize; diff --git a/trunk/fs/proc/base.c b/trunk/fs/proc/base.c index d9512bd03e6c..9cde9edf9c4d 100644 --- a/trunk/fs/proc/base.c +++ b/trunk/fs/proc/base.c @@ -711,13 +711,6 @@ static int mem_open(struct inode* inode, struct file* file) if (IS_ERR(mm)) return PTR_ERR(mm); - if (mm) { - /* ensure this mm_struct can't be freed */ - atomic_inc(&mm->mm_count); - /* but do not pin its memory */ - mmput(mm); - } - /* OK to pass negative loff_t, we can catch out-of-range */ file->f_mode |= FMODE_UNSIGNED_OFFSET; file->private_data = mm; @@ -725,13 +718,13 @@ static int mem_open(struct inode* inode, struct file* file) return 0; } -static ssize_t mem_rw(struct file *file, char __user *buf, - size_t count, loff_t *ppos, int write) +static ssize_t mem_read(struct file * file, char __user * buf, + size_t count, loff_t *ppos) { - struct mm_struct *mm = file->private_data; - unsigned long addr = *ppos; - ssize_t copied; + int ret; char *page; + unsigned long src = *ppos; + struct mm_struct *mm = file->private_data; if (!mm) return 0; @@ -740,55 +733,76 @@ static ssize_t mem_rw(struct file *file, char __user *buf, if (!page) return -ENOMEM; - copied = 0; - if (!atomic_inc_not_zero(&mm->mm_users)) - goto free; - + ret = 0; + while (count > 0) { - int this_len = min_t(int, count, PAGE_SIZE); + int this_len, retval; - if (write && copy_from_user(page, buf, this_len)) { - copied = -EFAULT; + this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count; + retval = access_remote_vm(mm, src, page, this_len, 0); + if (!retval) { + if (!ret) + ret = -EIO; break; } - this_len = access_remote_vm(mm, addr, page, this_len, write); - if (!this_len) { - if (!copied) - copied = -EIO; + if (copy_to_user(buf, page, retval)) { + ret = -EFAULT; break; } + + ret += retval; + src += retval; + buf += retval; + count -= retval; + } + *ppos = src; + + free_page((unsigned long) page); + return ret; +} + +static ssize_t mem_write(struct file * file, const char __user *buf, + size_t count, loff_t *ppos) +{ + int copied; + char *page; + unsigned long dst = *ppos; + struct mm_struct *mm = file->private_data; + + if (!mm) + return 0; + + page = (char *)__get_free_page(GFP_TEMPORARY); + if (!page) + return -ENOMEM; + + copied = 0; + while (count > 0) { + int this_len, retval; - if (!write && copy_to_user(buf, page, this_len)) { + this_len = (count > PAGE_SIZE) ? PAGE_SIZE : count; + if (copy_from_user(page, buf, this_len)) { copied = -EFAULT; break; } - - buf += this_len; - addr += this_len; - copied += this_len; - count -= this_len; + retval = access_remote_vm(mm, dst, page, this_len, 1); + if (!retval) { + if (!copied) + copied = -EIO; + break; + } + copied += retval; + buf += retval; + dst += retval; + count -= retval; } - *ppos = addr; + *ppos = dst; - mmput(mm); -free: free_page((unsigned long) page); return copied; } -static ssize_t mem_read(struct file *file, char __user *buf, - size_t count, loff_t *ppos) -{ - return mem_rw(file, buf, count, ppos, 0); -} - -static ssize_t mem_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) -{ - return mem_rw(file, (char __user*)buf, count, ppos, 1); -} - loff_t mem_lseek(struct file *file, loff_t offset, int orig) { switch (orig) { @@ -808,8 +822,8 @@ loff_t mem_lseek(struct file *file, loff_t offset, int orig) static int mem_release(struct inode *inode, struct file *file) { struct mm_struct *mm = file->private_data; - if (mm) - mmdrop(mm); + + mmput(mm); return 0; } diff --git a/trunk/include/linux/mpi.h b/trunk/include/linux/mpi.h index d02cca6cc8ce..06f88994ccaa 100644 --- a/trunk/include/linux/mpi.h +++ b/trunk/include/linux/mpi.h @@ -57,6 +57,8 @@ struct gcry_mpi { typedef struct gcry_mpi *MPI; +#define MPI_NULL NULL + #define mpi_get_nlimbs(a) ((a)->nlimbs) #define mpi_is_neg(a) ((a)->sign) diff --git a/trunk/include/linux/mtd/mtd.h b/trunk/include/linux/mtd/mtd.h index 887ebe318c75..221295208fd0 100644 --- a/trunk/include/linux/mtd/mtd.h +++ b/trunk/include/linux/mtd/mtd.h @@ -489,7 +489,7 @@ static inline int mtd_has_oob(const struct mtd_info *mtd) static inline int mtd_can_have_bb(const struct mtd_info *mtd) { - return !!mtd->block_isbad; + return 0; } /* Kernel-side ioctl definitions */ diff --git a/trunk/include/linux/perf_event.h b/trunk/include/linux/perf_event.h index abb2776be1ba..08855613ceb3 100644 --- a/trunk/include/linux/perf_event.h +++ b/trunk/include/linux/perf_event.h @@ -587,7 +587,6 @@ struct hw_perf_event { u64 sample_period; u64 last_period; local64_t period_left; - u64 interrupts_seq; u64 interrupts; u64 freq_time_stamp; diff --git a/trunk/kernel/events/core.c b/trunk/kernel/events/core.c index ba36013cfb21..32b48c889711 100644 --- a/trunk/kernel/events/core.c +++ b/trunk/kernel/events/core.c @@ -2300,9 +2300,6 @@ do { \ return div64_u64(dividend, divisor); } -static DEFINE_PER_CPU(int, perf_throttled_count); -static DEFINE_PER_CPU(u64, perf_throttled_seq); - static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count) { struct hw_perf_event *hwc = &event->hw; @@ -2328,29 +2325,16 @@ static void perf_adjust_period(struct perf_event *event, u64 nsec, u64 count) } } -/* - * combine freq adjustment with unthrottling to avoid two passes over the - * events. At the same time, make sure, having freq events does not change - * the rate of unthrottling as that would introduce bias. - */ -static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx, - int needs_unthr) +static void perf_ctx_adjust_freq(struct perf_event_context *ctx, u64 period) { struct perf_event *event; struct hw_perf_event *hwc; - u64 now, period = TICK_NSEC; + u64 interrupts, now; s64 delta; - /* - * only need to iterate over all events iff: - * - context have events in frequency mode (needs freq adjust) - * - there are events to unthrottle on this cpu - */ - if (!(ctx->nr_freq || needs_unthr)) + if (!ctx->nr_freq) return; - raw_spin_lock(&ctx->lock); - list_for_each_entry_rcu(event, &ctx->event_list, event_entry) { if (event->state != PERF_EVENT_STATE_ACTIVE) continue; @@ -2360,8 +2344,13 @@ static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx, hwc = &event->hw; - if (needs_unthr && hwc->interrupts == MAX_INTERRUPTS) { - hwc->interrupts = 0; + interrupts = hwc->interrupts; + hwc->interrupts = 0; + + /* + * unthrottle events on the tick + */ + if (interrupts == MAX_INTERRUPTS) { perf_log_throttle(event, 1); event->pmu->start(event, 0); } @@ -2369,26 +2358,14 @@ static void perf_adjust_freq_unthr_context(struct perf_event_context *ctx, if (!event->attr.freq || !event->attr.sample_freq) continue; - /* - * stop the event and update event->count - */ - event->pmu->stop(event, PERF_EF_UPDATE); - + event->pmu->read(event); now = local64_read(&event->count); delta = now - hwc->freq_count_stamp; hwc->freq_count_stamp = now; - /* - * restart the event - * reload only if value has changed - */ if (delta > 0) perf_adjust_period(event, period, delta); - - event->pmu->start(event, delta > 0 ? PERF_EF_RELOAD : 0); } - - raw_spin_unlock(&ctx->lock); } /* @@ -2411,13 +2388,16 @@ static void rotate_ctx(struct perf_event_context *ctx) */ static void perf_rotate_context(struct perf_cpu_context *cpuctx) { + u64 interval = (u64)cpuctx->jiffies_interval * TICK_NSEC; struct perf_event_context *ctx = NULL; - int rotate = 0, remove = 1; + int rotate = 0, remove = 1, freq = 0; if (cpuctx->ctx.nr_events) { remove = 0; if (cpuctx->ctx.nr_events != cpuctx->ctx.nr_active) rotate = 1; + if (cpuctx->ctx.nr_freq) + freq = 1; } ctx = cpuctx->task_ctx; @@ -2425,26 +2405,37 @@ static void perf_rotate_context(struct perf_cpu_context *cpuctx) remove = 0; if (ctx->nr_events != ctx->nr_active) rotate = 1; + if (ctx->nr_freq) + freq = 1; } - if (!rotate) + if (!rotate && !freq) goto done; perf_ctx_lock(cpuctx, cpuctx->task_ctx); perf_pmu_disable(cpuctx->ctx.pmu); - cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); - if (ctx) - ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE); + if (freq) { + perf_ctx_adjust_freq(&cpuctx->ctx, interval); + if (ctx) + perf_ctx_adjust_freq(ctx, interval); + } - rotate_ctx(&cpuctx->ctx); - if (ctx) - rotate_ctx(ctx); + if (rotate) { + cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE); + if (ctx) + ctx_sched_out(ctx, cpuctx, EVENT_FLEXIBLE); - perf_event_sched_in(cpuctx, ctx, current); + rotate_ctx(&cpuctx->ctx); + if (ctx) + rotate_ctx(ctx); + + perf_event_sched_in(cpuctx, ctx, current); + } perf_pmu_enable(cpuctx->ctx.pmu); perf_ctx_unlock(cpuctx, cpuctx->task_ctx); + done: if (remove) list_del_init(&cpuctx->rotation_list); @@ -2454,22 +2445,10 @@ void perf_event_task_tick(void) { struct list_head *head = &__get_cpu_var(rotation_list); struct perf_cpu_context *cpuctx, *tmp; - struct perf_event_context *ctx; - int throttled; WARN_ON(!irqs_disabled()); - __this_cpu_inc(perf_throttled_seq); - throttled = __this_cpu_xchg(perf_throttled_count, 0); - list_for_each_entry_safe(cpuctx, tmp, head, rotation_list) { - ctx = &cpuctx->ctx; - perf_adjust_freq_unthr_context(ctx, throttled); - - ctx = cpuctx->task_ctx; - if (ctx) - perf_adjust_freq_unthr_context(ctx, throttled); - if (cpuctx->jiffies_interval == 1 || !(jiffies % cpuctx->jiffies_interval)) perf_rotate_context(cpuctx); @@ -4530,7 +4509,6 @@ static int __perf_event_overflow(struct perf_event *event, { int events = atomic_read(&event->event_limit); struct hw_perf_event *hwc = &event->hw; - u64 seq; int ret = 0; /* @@ -4540,20 +4518,14 @@ static int __perf_event_overflow(struct perf_event *event, if (unlikely(!is_sampling_event(event))) return 0; - seq = __this_cpu_read(perf_throttled_seq); - if (seq != hwc->interrupts_seq) { - hwc->interrupts_seq = seq; - hwc->interrupts = 1; - } else { - hwc->interrupts++; - if (unlikely(throttle - && hwc->interrupts >= max_samples_per_tick)) { - __this_cpu_inc(perf_throttled_count); + if (unlikely(hwc->interrupts >= max_samples_per_tick)) { + if (throttle) { hwc->interrupts = MAX_INTERRUPTS; perf_log_throttle(event, 0); ret = 1; } - } + } else + hwc->interrupts++; if (event->attr.freq) { u64 now = perf_clock(); diff --git a/trunk/kernel/exit.c b/trunk/kernel/exit.c index 4b4042f9bc6a..294b1709170d 100644 --- a/trunk/kernel/exit.c +++ b/trunk/kernel/exit.c @@ -1038,22 +1038,6 @@ void do_exit(long code) if (tsk->nr_dirtied) __this_cpu_add(dirty_throttle_leaks, tsk->nr_dirtied); exit_rcu(); - - /* - * The setting of TASK_RUNNING by try_to_wake_up() may be delayed - * when the following two conditions become true. - * - There is race condition of mmap_sem (It is acquired by - * exit_mm()), and - * - SMI occurs before setting TASK_RUNINNG. - * (or hypervisor of virtual machine switches to other guest) - * As a result, we may become TASK_RUNNING after becoming TASK_DEAD - * - * To avoid it, we have to wait for releasing tsk->pi_lock which - * is held by try_to_wake_up() - */ - smp_mb(); - raw_spin_unlock_wait(&tsk->pi_lock); - /* causes final put_task_struct in finish_task_switch(). */ tsk->state = TASK_DEAD; tsk->flags |= PF_NOFREEZE; /* tell freezer to ignore us */ diff --git a/trunk/kernel/sched/core.c b/trunk/kernel/sched/core.c index 5255c9d2e053..df00cb09263e 100644 --- a/trunk/kernel/sched/core.c +++ b/trunk/kernel/sched/core.c @@ -74,7 +74,6 @@ #include #include -#include #ifdef CONFIG_PARAVIRT #include #endif @@ -724,6 +723,9 @@ static void dequeue_task(struct rq *rq, struct task_struct *p, int flags) p->sched_class->dequeue_task(rq, p, flags); } +/* + * activate_task - move a task to the runqueue. + */ void activate_task(struct rq *rq, struct task_struct *p, int flags) { if (task_contributes_to_load(p)) @@ -732,6 +734,9 @@ void activate_task(struct rq *rq, struct task_struct *p, int flags) enqueue_task(rq, p, flags); } +/* + * deactivate_task - remove a task from the runqueue. + */ void deactivate_task(struct rq *rq, struct task_struct *p, int flags) { if (task_contributes_to_load(p)) @@ -4129,7 +4134,7 @@ static int __sched_setscheduler(struct task_struct *p, int policy, on_rq = p->on_rq; running = task_current(rq, p); if (on_rq) - dequeue_task(rq, p, 0); + deactivate_task(rq, p, 0); if (running) p->sched_class->put_prev_task(rq, p); @@ -4142,7 +4147,7 @@ static int __sched_setscheduler(struct task_struct *p, int policy, if (running) p->sched_class->set_curr_task(rq); if (on_rq) - enqueue_task(rq, p, 0); + activate_task(rq, p, 0); check_class_changed(rq, p, prev_class, oldprio); task_rq_unlock(rq, p, &flags); @@ -4993,9 +4998,9 @@ static int __migrate_task(struct task_struct *p, int src_cpu, int dest_cpu) * placed properly. */ if (p->on_rq) { - dequeue_task(rq_src, p, 0); + deactivate_task(rq_src, p, 0); set_task_cpu(p, dest_cpu); - enqueue_task(rq_dest, p, 0); + activate_task(rq_dest, p, 0); check_preempt_curr(rq_dest, p, 0); } done: @@ -7027,10 +7032,10 @@ static void normalize_task(struct rq *rq, struct task_struct *p) on_rq = p->on_rq; if (on_rq) - dequeue_task(rq, p, 0); + deactivate_task(rq, p, 0); __setscheduler(rq, p, SCHED_NORMAL, 0); if (on_rq) { - enqueue_task(rq, p, 0); + activate_task(rq, p, 0); resched_task(rq->curr); } diff --git a/trunk/kernel/sched/fair.c b/trunk/kernel/sched/fair.c index 7c6414fc669d..84adb2d66cbd 100644 --- a/trunk/kernel/sched/fair.c +++ b/trunk/kernel/sched/fair.c @@ -4866,15 +4866,6 @@ static void nohz_balancer_kick(int cpu) return; } -static inline void clear_nohz_tick_stopped(int cpu) -{ - if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) { - cpumask_clear_cpu(cpu, nohz.idle_cpus_mask); - atomic_dec(&nohz.nr_cpus); - clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)); - } -} - static inline void set_cpu_sd_state_busy(void) { struct sched_domain *sd; @@ -4913,12 +4904,6 @@ void select_nohz_load_balancer(int stop_tick) { int cpu = smp_processor_id(); - /* - * If this cpu is going down, then nothing needs to be done. - */ - if (!cpu_active(cpu)) - return; - if (stop_tick) { if (test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu))) return; @@ -4929,18 +4914,6 @@ void select_nohz_load_balancer(int stop_tick) } return; } - -static int __cpuinit sched_ilb_notifier(struct notifier_block *nfb, - unsigned long action, void *hcpu) -{ - switch (action & ~CPU_TASKS_FROZEN) { - case CPU_DYING: - clear_nohz_tick_stopped(smp_processor_id()); - return NOTIFY_OK; - default: - return NOTIFY_DONE; - } -} #endif static DEFINE_SPINLOCK(balancing); @@ -5097,7 +5070,11 @@ static inline int nohz_kick_needed(struct rq *rq, int cpu) * busy tick after returning from idle, we will update the busy stats. */ set_cpu_sd_state_busy(); - clear_nohz_tick_stopped(cpu); + if (unlikely(test_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)))) { + clear_bit(NOHZ_TICK_STOPPED, nohz_flags(cpu)); + cpumask_clear_cpu(cpu, nohz.idle_cpus_mask); + atomic_dec(&nohz.nr_cpus); + } /* * None are in tickless mode and hence no need for NOHZ idle load @@ -5613,7 +5590,6 @@ __init void init_sched_fair_class(void) #ifdef CONFIG_NO_HZ zalloc_cpumask_var(&nohz.idle_cpus_mask, GFP_NOWAIT); - cpu_notifier(sched_ilb_notifier, 0); #endif #endif /* SMP */ diff --git a/trunk/kernel/sched/rt.c b/trunk/kernel/sched/rt.c index f42ae7fb5ec5..3640ebbb466b 100644 --- a/trunk/kernel/sched/rt.c +++ b/trunk/kernel/sched/rt.c @@ -1587,11 +1587,6 @@ static int push_rt_task(struct rq *rq) if (!next_task) return 0; -#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW - if (unlikely(task_running(rq, next_task))) - return 0; -#endif - retry: if (unlikely(next_task == rq->curr)) { WARN_ON(1); diff --git a/trunk/kernel/watchdog.c b/trunk/kernel/watchdog.c index d117262deba3..1d7bca7f4f52 100644 --- a/trunk/kernel/watchdog.c +++ b/trunk/kernel/watchdog.c @@ -296,7 +296,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) if (__this_cpu_read(soft_watchdog_warn) == true) return HRTIMER_RESTART; - printk(KERN_EMERG "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", + printk(KERN_ERR "BUG: soft lockup - CPU#%d stuck for %us! [%s:%d]\n", smp_processor_id(), duration, current->comm, task_pid_nr(current)); print_modules(); diff --git a/trunk/lib/Kconfig b/trunk/lib/Kconfig index d69d321a0997..169eb7c598e5 100644 --- a/trunk/lib/Kconfig +++ b/trunk/lib/Kconfig @@ -279,9 +279,6 @@ config AVERAGE If unsure, say N. -config CLZ_TAB - bool - config CORDIC tristate "CORDIC algorithm" help @@ -290,7 +287,6 @@ config CORDIC config MPILIB tristate - select CLZ_TAB help Multiprecision maths library from GnuPG. It is used to implement RSA digital signature verification, diff --git a/trunk/lib/Makefile b/trunk/lib/Makefile index 18515f0267c4..d71aae1b01b3 100644 --- a/trunk/lib/Makefile +++ b/trunk/lib/Makefile @@ -121,8 +121,6 @@ obj-$(CONFIG_DQL) += dynamic_queue_limits.o obj-$(CONFIG_MPILIB) += mpi/ obj-$(CONFIG_SIGNATURE) += digsig.o -obj-$(CONFIG_CLZ_TAB) += clz_tab.o - hostprogs-y := gen_crc32table clean-files := crc32table.h diff --git a/trunk/lib/bug.c b/trunk/lib/bug.c index a28c1415357c..19552096d16b 100644 --- a/trunk/lib/bug.c +++ b/trunk/lib/bug.c @@ -169,7 +169,7 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs) return BUG_TRAP_TYPE_WARN; } - printk(KERN_DEFAULT "------------[ cut here ]------------\n"); + printk(KERN_EMERG "------------[ cut here ]------------\n"); if (file) printk(KERN_CRIT "kernel BUG at %s:%u!\n", diff --git a/trunk/lib/clz_tab.c b/trunk/lib/clz_tab.c deleted file mode 100644 index 7287b4a991a7..000000000000 --- a/trunk/lib/clz_tab.c +++ /dev/null @@ -1,18 +0,0 @@ -const unsigned char __clz_tab[] = { - 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, - 5, 5, 5, 5, 5, 5, 5, 5, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, - 7, 7, 7, 7, 7, 7, 7, 7, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, - 8, 8, 8, 8, 8, 8, 8, 8, -}; diff --git a/trunk/lib/digsig.c b/trunk/lib/digsig.c index 286d558033e2..fd2402f67f89 100644 --- a/trunk/lib/digsig.c +++ b/trunk/lib/digsig.c @@ -34,9 +34,14 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg, unsigned long msglen, unsigned long modulus_bitlen, unsigned char *out, - unsigned long *outlen) + unsigned long *outlen, + int *is_valid) { unsigned long modulus_len, ps_len, i; + int result; + + /* default to invalid packet */ + *is_valid = 0; modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); @@ -45,30 +50,39 @@ static int pkcs_1_v1_5_decode_emsa(const unsigned char *msg, return -EINVAL; /* separate encoded message */ - if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1)) - return -EINVAL; + if ((msg[0] != 0x00) || (msg[1] != (unsigned char)1)) { + result = -EINVAL; + goto bail; + } for (i = 2; i < modulus_len - 1; i++) if (msg[i] != 0xFF) break; /* separator check */ - if (msg[i] != 0) + if (msg[i] != 0) { /* There was no octet with hexadecimal value 0x00 to separate ps from m. */ - return -EINVAL; + result = -EINVAL; + goto bail; + } ps_len = i - 2; if (*outlen < (msglen - (2 + ps_len + 1))) { *outlen = msglen - (2 + ps_len + 1); - return -EOVERFLOW; + result = -EOVERFLOW; + goto bail; } *outlen = (msglen - (2 + ps_len + 1)); memcpy(out, &msg[2 + ps_len + 1], *outlen); - return 0; + /* valid packet */ + *is_valid = 1; + result = 0; +bail: + return result; } /* @@ -82,7 +96,7 @@ static int digsig_verify_rsa(struct key *key, unsigned long len; unsigned long mlen, mblen; unsigned nret, l; - int head, i; + int valid, head, i; unsigned char *out1 = NULL, *out2 = NULL; MPI in = NULL, res = NULL, pkey[2]; uint8_t *p, *datap, *endp; @@ -91,10 +105,6 @@ static int digsig_verify_rsa(struct key *key, down_read(&key->sem); ukp = key->payload.data; - - if (ukp->datalen < sizeof(*pkh)) - goto err1; - pkh = (struct pubkey_hdr *)ukp->data; if (pkh->version != 1) @@ -107,23 +117,18 @@ static int digsig_verify_rsa(struct key *key, goto err1; datap = pkh->mpi; - endp = ukp->data + ukp->datalen; - - err = -ENOMEM; + endp = datap + ukp->datalen; for (i = 0; i < pkh->nmpi; i++) { unsigned int remaining = endp - datap; pkey[i] = mpi_read_from_buffer(datap, &remaining); - if (!pkey[i]) - goto err; datap += remaining; } mblen = mpi_get_nbits(pkey[0]); mlen = (mblen + 7)/8; - if (mlen == 0) - goto err; + err = -ENOMEM; out1 = kzalloc(mlen, GFP_KERNEL); if (!out1) @@ -162,9 +167,10 @@ static int digsig_verify_rsa(struct key *key, memset(out1, 0, head); memcpy(out1 + head, p, l); - err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len); + err = -EINVAL; + pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len, &valid); - if (!err && len == hlen) + if (valid && len == hlen) err = memcmp(out2, h, hlen); err: @@ -172,8 +178,8 @@ static int digsig_verify_rsa(struct key *key, mpi_free(res); kfree(out1); kfree(out2); - while (--i >= 0) - mpi_free(pkey[i]); + mpi_free(pkey[0]); + mpi_free(pkey[1]); err1: up_read(&key->sem); diff --git a/trunk/lib/mpi/longlong.h b/trunk/lib/mpi/longlong.h index 29f98624ef93..b87487b40a8b 100644 --- a/trunk/lib/mpi/longlong.h +++ b/trunk/lib/mpi/longlong.h @@ -1200,40 +1200,18 @@ do { \ "r" ((USItype)(v)) \ : "%g1", "%g2" __AND_CLOBBER_CC) #define UMUL_TIME 39 /* 39 instructions */ -/* It's quite necessary to add this much assembler for the sparc. - The default udiv_qrnnd (in C) is more than 10 times slower! */ -#define udiv_qrnnd(q, r, n1, n0, d) \ - __asm__ ("! Inlined udiv_qrnnd\n\t" \ - "mov 32,%%g1\n\t" \ - "subcc %1,%2,%%g0\n\t" \ - "1: bcs 5f\n\t" \ - "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \ - "sub %1,%2,%1 ! this kills msb of n\n\t" \ - "addx %1,%1,%1 ! so this can't give carry\n\t" \ - "subcc %%g1,1,%%g1\n\t" \ - "2: bne 1b\n\t" \ - "subcc %1,%2,%%g0\n\t" \ - "bcs 3f\n\t" \ - "addxcc %0,%0,%0 ! shift n1n0 and a q-bit in lsb\n\t" \ - "b 3f\n\t" \ - "sub %1,%2,%1 ! this kills msb of n\n\t" \ - "4: sub %1,%2,%1\n\t" \ - "5: addxcc %1,%1,%1\n\t" \ - "bcc 2b\n\t" \ - "subcc %%g1,1,%%g1\n\t" \ - "! Got carry from n. Subtract next step to cancel this carry.\n\t" \ - "bne 4b\n\t" \ - "addcc %0,%0,%0 ! shift n1n0 and a 0-bit in lsb\n\t" \ - "sub %1,%2,%1\n\t" \ - "3: xnor %0,0,%0\n\t" \ - "! End of inline udiv_qrnnd\n" \ - : "=&r" ((USItype)(q)), \ - "=&r" ((USItype)(r)) \ - : "r" ((USItype)(d)), \ - "1" ((USItype)(n1)), \ - "0" ((USItype)(n0)) : "%g1", "cc") -#define UDIV_TIME (3+7*32) /* 7 instructions/iteration. 32 iterations. */ #endif +#ifndef udiv_qrnnd +#ifndef LONGLONG_STANDALONE +#define udiv_qrnnd(q, r, n1, n0, d) \ +do { USItype __r; \ + (q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \ + (r) = __r; \ +} while (0) + extern USItype __udiv_qrnnd(); +#define UDIV_TIME 140 +#endif /* LONGLONG_STANDALONE */ +#endif /* udiv_qrnnd */ #endif /* __sparc__ */ /*************************************** diff --git a/trunk/lib/mpi/mpi-bit.c b/trunk/lib/mpi/mpi-bit.c index 2f526627e4f5..854c9c6da025 100644 --- a/trunk/lib/mpi/mpi-bit.c +++ b/trunk/lib/mpi/mpi-bit.c @@ -21,6 +21,25 @@ #include "mpi-internal.h" #include "longlong.h" +const unsigned char __clz_tab[] = { + 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, +}; + #define A_LIMB_1 ((mpi_limb_t) 1) /**************** diff --git a/trunk/lib/mpi/mpi-div.c b/trunk/lib/mpi/mpi-div.c index f68cbbb4d4a4..c3087d1390ce 100644 --- a/trunk/lib/mpi/mpi-div.c +++ b/trunk/lib/mpi/mpi-div.c @@ -149,9 +149,6 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) mpi_ptr_t marker[5]; int markidx = 0; - if (!dsize) - return -EINVAL; - memset(marker, 0, sizeof(marker)); /* Ensure space is enough for quotient and remainder. @@ -210,8 +207,6 @@ int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den) * numerator would be gradually overwritten by the quotient limbs. */ if (qp == np) { /* Copy NP object to temporary space. */ np = marker[markidx++] = mpi_alloc_limb_space(nsize); - if (!np) - goto nomem; MPN_COPY(np, qp, nsize); } } else /* Put quotient at top of remainder. */ diff --git a/trunk/lib/mpi/mpi-pow.c b/trunk/lib/mpi/mpi-pow.c index 67f3e79af914..b04a3cf80080 100644 --- a/trunk/lib/mpi/mpi-pow.c +++ b/trunk/lib/mpi/mpi-pow.c @@ -59,7 +59,7 @@ int mpi_powm(MPI res, MPI base, MPI exp, MPI mod) ep = exp->d; if (!msize) - return -EINVAL; + msize = 1 / msize; /* provoke a signal */ if (!esize) { /* Exponent is zero, result is 1 mod MOD, i.e., 1 or 0 diff --git a/trunk/lib/mpi/mpicoder.c b/trunk/lib/mpi/mpicoder.c index f26b41fcb48c..716802b774ea 100644 --- a/trunk/lib/mpi/mpicoder.c +++ b/trunk/lib/mpi/mpicoder.c @@ -20,15 +20,78 @@ #include "mpi-internal.h" +#define DIM(v) (sizeof(v)/sizeof((v)[0])) #define MAX_EXTERN_MPI_BITS 16384 +static uint8_t asn[15] = /* Object ID is 1.3.14.3.2.26 */ +{ 0x30, 0x21, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, + 0x02, 0x1a, 0x05, 0x00, 0x04, 0x14 +}; + +MPI do_encode_md(const void *sha_buffer, unsigned nbits) +{ + int nframe = (nbits + 7) / 8; + uint8_t *frame, *fr_pt; + int i = 0, n; + size_t asnlen = DIM(asn); + MPI a = MPI_NULL; + + if (SHA1_DIGEST_LENGTH + asnlen + 4 > nframe) + pr_info("MPI: can't encode a %d bit MD into a %d bits frame\n", + (int)(SHA1_DIGEST_LENGTH * 8), (int)nbits); + + /* We encode the MD in this way: + * + * 0 A PAD(n bytes) 0 ASN(asnlen bytes) MD(len bytes) + * + * PAD consists of FF bytes. + */ + frame = kmalloc(nframe, GFP_KERNEL); + if (!frame) + return MPI_NULL; + n = 0; + frame[n++] = 0; + frame[n++] = 1; /* block type */ + i = nframe - SHA1_DIGEST_LENGTH - asnlen - 3; + + if (i <= 1) { + pr_info("MPI: message digest encoding failed\n"); + kfree(frame); + return a; + } + + memset(frame + n, 0xff, i); + n += i; + frame[n++] = 0; + memcpy(frame + n, &asn, asnlen); + n += asnlen; + memcpy(frame + n, sha_buffer, SHA1_DIGEST_LENGTH); + n += SHA1_DIGEST_LENGTH; + + i = nframe; + fr_pt = frame; + + if (n != nframe) { + printk + ("MPI: message digest encoding failed, frame length is wrong\n"); + kfree(frame); + return a; + } + + a = mpi_alloc((nframe + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB); + mpi_set_buffer(a, frame, nframe, 0); + kfree(frame); + + return a; +} + MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread) { const uint8_t *buffer = xbuffer; int i, j; unsigned nbits, nbytes, nlimbs, nread = 0; mpi_limb_t a; - MPI val = NULL; + MPI val = MPI_NULL; if (*ret_nread < 2) goto leave; @@ -45,7 +108,7 @@ MPI mpi_read_from_buffer(const void *xbuffer, unsigned *ret_nread) nlimbs = (nbytes + BYTES_PER_MPI_LIMB - 1) / BYTES_PER_MPI_LIMB; val = mpi_alloc(nlimbs); if (!val) - return NULL; + return MPI_NULL; i = BYTES_PER_MPI_LIMB - nbytes % BYTES_PER_MPI_LIMB; i %= BYTES_PER_MPI_LIMB; val->nbits = nbits; @@ -148,6 +211,30 @@ int mpi_fromstr(MPI val, const char *str) } EXPORT_SYMBOL_GPL(mpi_fromstr); +/**************** + * Special function to get the low 8 bytes from an mpi. + * This can be used as a keyid; KEYID is an 2 element array. + * Return the low 4 bytes. + */ +u32 mpi_get_keyid(const MPI a, u32 *keyid) +{ +#if BYTES_PER_MPI_LIMB == 4 + if (keyid) { + keyid[0] = a->nlimbs >= 2 ? a->d[1] : 0; + keyid[1] = a->nlimbs >= 1 ? a->d[0] : 0; + } + return a->nlimbs >= 1 ? a->d[0] : 0; +#elif BYTES_PER_MPI_LIMB == 8 + if (keyid) { + keyid[0] = a->nlimbs ? (u32) (a->d[0] >> 32) : 0; + keyid[1] = a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0; + } + return a->nlimbs ? (u32) (a->d[0] & 0xffffffff) : 0; +#else +#error Make this function work with other LIMB sizes +#endif +} + /**************** * Return an allocated buffer with the MPI (msb first). * NBYTES receives the length of this buffer. Caller must free the diff --git a/trunk/lib/mpi/mpih-div.c b/trunk/lib/mpi/mpih-div.c index cde1aaec18da..87ede162dfab 100644 --- a/trunk/lib/mpi/mpih-div.c +++ b/trunk/lib/mpi/mpih-div.c @@ -217,10 +217,6 @@ mpihelp_divrem(mpi_ptr_t qp, mpi_size_t qextra_limbs, case 0: /* We are asked to divide by zero, so go ahead and do it! (To make the compiler not remove this statement, return the value.) */ - /* - * existing clients of this function have been modified - * not to call it with dsize == 0, so this should not happen - */ return 1 / dsize; case 1: diff --git a/trunk/lib/mpi/mpiutil.c b/trunk/lib/mpi/mpiutil.c index 26e4ed31e256..eefc55d6b7f5 100644 --- a/trunk/lib/mpi/mpiutil.c +++ b/trunk/lib/mpi/mpiutil.c @@ -58,9 +58,6 @@ mpi_ptr_t mpi_alloc_limb_space(unsigned nlimbs) { size_t len = nlimbs * sizeof(mpi_limb_t); - if (!len) - return NULL; - return kmalloc(len, GFP_KERNEL); } @@ -138,7 +135,7 @@ int mpi_copy(MPI *copied, const MPI a) size_t i; MPI b; - *copied = NULL; + *copied = MPI_NULL; if (a) { b = mpi_alloc(a->nlimbs); diff --git a/trunk/tools/perf/Makefile b/trunk/tools/perf/Makefile index 7c12650165ae..ac86d67b636e 100644 --- a/trunk/tools/perf/Makefile +++ b/trunk/tools/perf/Makefile @@ -104,7 +104,7 @@ endif CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) EXTLIBS = -lpthread -lrt -lelf -lm -ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE +ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 ALL_LDFLAGS = $(LDFLAGS) STRIP ?= strip @@ -168,7 +168,10 @@ endif ### --- END CONFIGURATION SECTION --- -BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE +# Those must not be GNU-specific; they are shared with perl/ which may +# be built by a different compiler. (Note that this is an artifact now +# but it still might be nice to keep that distinction.) +BASIC_CFLAGS = -Iutil/include -Iarch/$(ARCH)/include BASIC_LDFLAGS = # Guard against environment variables diff --git a/trunk/tools/perf/builtin-probe.c b/trunk/tools/perf/builtin-probe.c index fb8566181f27..59d43abfbfec 100644 --- a/trunk/tools/perf/builtin-probe.c +++ b/trunk/tools/perf/builtin-probe.c @@ -20,6 +20,7 @@ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ +#define _GNU_SOURCE #include #include #include @@ -30,6 +31,7 @@ #include #include +#undef _GNU_SOURCE #include "perf.h" #include "builtin.h" #include "util/util.h" diff --git a/trunk/tools/perf/builtin-top.c b/trunk/tools/perf/builtin-top.c index dd162aa24baa..8f80df896038 100644 --- a/trunk/tools/perf/builtin-top.c +++ b/trunk/tools/perf/builtin-top.c @@ -89,6 +89,8 @@ void get_term_dimensions(struct winsize *ws) static void perf_top__update_print_entries(struct perf_top *top) { + top->print_entries = top->winsize.ws_row; + if (top->print_entries > 9) top->print_entries -= 9; } @@ -98,13 +100,6 @@ static void perf_top__sig_winch(int sig __used, siginfo_t *info __used, void *ar struct perf_top *top = arg; get_term_dimensions(&top->winsize); - if (!top->print_entries - || (top->print_entries+4) > top->winsize.ws_row) { - top->print_entries = top->winsize.ws_row; - } else { - top->print_entries += 4; - top->winsize.ws_row = top->print_entries; - } perf_top__update_print_entries(top); } @@ -458,10 +453,8 @@ static void perf_top__handle_keypress(struct perf_top *top, int c) }; perf_top__sig_winch(SIGWINCH, NULL, top); sigaction(SIGWINCH, &act, NULL); - } else { - perf_top__sig_winch(SIGWINCH, NULL, top); + } else signal(SIGWINCH, SIG_DFL); - } break; case 'E': if (top->evlist->nr_entries > 1) { diff --git a/trunk/tools/perf/util/header.c b/trunk/tools/perf/util/header.c index ecd7f4dd7eea..3e7e0b09c12c 100644 --- a/trunk/tools/perf/util/header.c +++ b/trunk/tools/perf/util/header.c @@ -2105,7 +2105,7 @@ int perf_event__synthesize_event_type(struct perf_tool *tool, strncpy(ev.event_type.event_type.name, name, MAX_EVENT_NAME - 1); ev.event_type.header.type = PERF_RECORD_HEADER_EVENT_TYPE; - size = strlen(ev.event_type.event_type.name); + size = strlen(name); size = ALIGN(size, sizeof(u64)); ev.event_type.header.size = sizeof(ev.event_type) - (sizeof(ev.event_type.event_type.name) - size); diff --git a/trunk/tools/perf/util/probe-event.c b/trunk/tools/perf/util/probe-event.c index 29cb65459811..eb25900e2211 100644 --- a/trunk/tools/perf/util/probe-event.c +++ b/trunk/tools/perf/util/probe-event.c @@ -19,6 +19,7 @@ * */ +#define _GNU_SOURCE #include #include #include @@ -32,6 +33,7 @@ #include #include +#undef _GNU_SOURCE #include "util.h" #include "event.h" #include "string.h" diff --git a/trunk/tools/perf/util/symbol.c b/trunk/tools/perf/util/symbol.c index 0975438c3e72..215d50f2042e 100644 --- a/trunk/tools/perf/util/symbol.c +++ b/trunk/tools/perf/util/symbol.c @@ -1,3 +1,4 @@ +#define _GNU_SOURCE #include #include #include diff --git a/trunk/tools/perf/util/trace-event-parse.c b/trunk/tools/perf/util/trace-event-parse.c index 1a8d4dc4f386..6c164dc9ee95 100644 --- a/trunk/tools/perf/util/trace-event-parse.c +++ b/trunk/tools/perf/util/trace-event-parse.c @@ -21,13 +21,14 @@ * The parts for function graph printing was taken and modified from the * Linux Kernel that were written by Frederic Weisbecker. */ - +#define _GNU_SOURCE #include #include #include #include #include +#undef _GNU_SOURCE #include "../perf.h" #include "util.h" #include "trace-event.h" diff --git a/trunk/tools/perf/util/ui/browsers/hists.c b/trunk/tools/perf/util/ui/browsers/hists.c index e81aef1f2569..1212a386a033 100644 --- a/trunk/tools/perf/util/ui/browsers/hists.c +++ b/trunk/tools/perf/util/ui/browsers/hists.c @@ -1,4 +1,6 @@ +#define _GNU_SOURCE #include +#undef _GNU_SOURCE #include "../libslang.h" #include #include diff --git a/trunk/tools/perf/util/ui/helpline.c b/trunk/tools/perf/util/ui/helpline.c index 4f48f5901b30..6ef3c5691762 100644 --- a/trunk/tools/perf/util/ui/helpline.c +++ b/trunk/tools/perf/util/ui/helpline.c @@ -1,3 +1,4 @@ +#define _GNU_SOURCE #include #include #include diff --git a/trunk/tools/perf/util/util.h b/trunk/tools/perf/util/util.h index ecf9898169c8..b9c530cce79a 100644 --- a/trunk/tools/perf/util/util.h +++ b/trunk/tools/perf/util/util.h @@ -40,6 +40,7 @@ #define decimal_length(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1) #define _ALL_SOURCE 1 +#define _GNU_SOURCE 1 #define _BSD_SOURCE 1 #define HAS_BOOL