Hi Linus, please pull from 'for-linus' branch of git://git390.marist.edu/pub/scm/linux-2.6.git for-linus to receive the following updates: Cornelia Huck (1): [S390] dasd: bus_id -> dev_name() conversion. Martin Schwidefsky (2): [S390] vdso: fix per cpu vdso pointer in lowcore [S390] Update default configuration. Sachin Sant (1): [S390] Fix init irq proc build break. Stefan Weinhuber (1): [S390] dasd: fix race in dasd timer handling arch/s390/defconfig | 87 ++++++++++++++++++++++++++------------ arch/s390/include/asm/lowcore.h | 4 +- arch/s390/kernel/irq.c | 2 + drivers/s390/block/dasd.c | 46 +++++++------------- drivers/s390/block/dasd_devmap.c | 2 +- 5 files changed, 81 insertions(+), 60 deletions(-) diff --git a/arch/s390/defconfig b/arch/s390/defconfig index a0e748d..31e809c 100644 --- a/arch/s390/defconfig +++ b/arch/s390/defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit -# Linux kernel version: 2.6.28-rc6 -# Thu Nov 27 11:00:49 2008 +# Linux kernel version: 2.6.29-rc4 +# Wed Feb 11 10:07:16 2009 # CONFIG_SCHED_MC=y CONFIG_MMU=y @@ -14,12 +14,14 @@ CONFIG_RWSEM_XCHGADD_ALGORITHM=y # CONFIG_ARCH_HAS_ILOG2_U64 is not set CONFIG_GENERIC_HWEIGHT=y CONFIG_GENERIC_TIME=y +CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_BUG=y CONFIG_NO_IOMEM=y CONFIG_NO_DMA=y CONFIG_GENERIC_LOCKBREAK=y CONFIG_PGSTE=y +CONFIG_VIRT_CPU_ACCOUNTING=y CONFIG_S390=y CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config" @@ -39,20 +41,29 @@ CONFIG_POSIX_MQUEUE=y # CONFIG_TASKSTATS is not set CONFIG_AUDIT=y # CONFIG_AUDITSYSCALL is not set + +# +# RCU Subsystem +# +CONFIG_CLASSIC_RCU=y +# CONFIG_TREE_RCU is not set +# CONFIG_PREEMPT_RCU is not set +# CONFIG_TREE_RCU_TRACE is not set +# CONFIG_PREEMPT_RCU_TRACE is not set CONFIG_IKCONFIG=y CONFIG_IKCONFIG_PROC=y CONFIG_LOG_BUF_SHIFT=17 +CONFIG_GROUP_SCHED=y +CONFIG_FAIR_GROUP_SCHED=y +# CONFIG_RT_GROUP_SCHED is not set +CONFIG_USER_SCHED=y +# CONFIG_CGROUP_SCHED is not set CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_NS=y # CONFIG_CGROUP_FREEZER is not set # CONFIG_CGROUP_DEVICE is not set # CONFIG_CPUSETS is not set -CONFIG_GROUP_SCHED=y -CONFIG_FAIR_GROUP_SCHED=y -# CONFIG_RT_GROUP_SCHED is not set -CONFIG_USER_SCHED=y -# CONFIG_CGROUP_SCHED is not set # CONFIG_CGROUP_CPUACCT is not set # CONFIG_RESOURCE_COUNTERS is not set CONFIG_SYSFS_DEPRECATED=y @@ -63,6 +74,7 @@ CONFIG_UTS_NS=y CONFIG_IPC_NS=y # CONFIG_USER_NS is not set # CONFIG_PID_NS is not set +# CONFIG_NET_NS is not set CONFIG_BLK_DEV_INITRD=y CONFIG_INITRAMFS_SOURCE="" # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set @@ -91,17 +103,17 @@ CONFIG_SLAB=y # CONFIG_SLUB is not set # CONFIG_SLOB is not set # CONFIG_PROFILING is not set -# CONFIG_MARKERS is not set CONFIG_HAVE_OPROFILE=y CONFIG_KPROBES=y +CONFIG_HAVE_SYSCALL_WRAPPERS=y CONFIG_KRETPROBES=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_ARCH_TRACEHOOK=y +CONFIG_USE_GENERIC_SMP_HELPERS=y # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set CONFIG_SLABINFO=y CONFIG_RT_MUTEXES=y -# CONFIG_TINY_SHMEM is not set CONFIG_BASE_SMALL=0 CONFIG_MODULES=y # CONFIG_MODULE_FORCE_LOAD is not set @@ -109,7 +121,7 @@ CONFIG_MODULE_UNLOAD=y # CONFIG_MODULE_FORCE_UNLOAD is not set CONFIG_MODVERSIONS=y # CONFIG_MODULE_SRCVERSION_ALL is not set -CONFIG_KMOD=y +CONFIG_INIT_ALL_POSSIBLE=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y # CONFIG_BLK_DEV_IO_TRACE is not set @@ -130,7 +142,6 @@ CONFIG_DEFAULT_DEADLINE=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="deadline" CONFIG_PREEMPT_NOTIFIERS=y -CONFIG_CLASSIC_RCU=y # CONFIG_FREEZER is not set # @@ -161,6 +172,7 @@ CONFIG_S390_EXEC_PROTECT=y CONFIG_MARCH_Z900=y # CONFIG_MARCH_Z990 is not set # CONFIG_MARCH_Z9_109 is not set +# CONFIG_MARCH_Z10 is not set CONFIG_PACK_STACK=y # CONFIG_SMALL_STACK is not set CONFIG_CHECK_STACK=y @@ -174,7 +186,6 @@ CONFIG_ARCH_POPULATES_NODE_MAP=y # CONFIG_PREEMPT_NONE is not set # CONFIG_PREEMPT_VOLUNTARY is not set CONFIG_PREEMPT=y -# CONFIG_PREEMPT_RCU is not set CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -195,7 +206,6 @@ CONFIG_MEMORY_HOTREMOVE=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MIGRATION=y -CONFIG_RESOURCES_64BIT=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y @@ -207,7 +217,6 @@ CONFIG_UNEVICTABLE_LRU=y # CONFIG_MACHCHK_WARNING=y CONFIG_QDIO=y -# CONFIG_QDIO_DEBUG is not set CONFIG_CHSC_SCH=m # @@ -227,15 +236,13 @@ CONFIG_PFAULT=y # CONFIG_SHARED_KERNEL is not set # CONFIG_CMM is not set # CONFIG_PAGE_STATES is not set -CONFIG_VIRT_TIMER=y -CONFIG_VIRT_CPU_ACCOUNTING=y # CONFIG_APPLDATA_BASE is not set CONFIG_HZ_100=y # CONFIG_HZ_250 is not set # CONFIG_HZ_300 is not set # CONFIG_HZ_1000 is not set CONFIG_HZ=100 -# CONFIG_SCHED_HRTICK is not set +CONFIG_SCHED_HRTICK=y CONFIG_S390_HYPFS_FS=y CONFIG_KEXEC=y # CONFIG_ZFCPDUMP is not set @@ -245,6 +252,7 @@ CONFIG_NET=y # # Networking options # +CONFIG_COMPAT_NET_DEV_OPS=y CONFIG_PACKET=y # CONFIG_PACKET_MMAP is not set CONFIG_UNIX=y @@ -383,6 +391,7 @@ CONFIG_NET_SCH_TBF=m CONFIG_NET_SCH_GRED=m CONFIG_NET_SCH_DSMARK=m # CONFIG_NET_SCH_NETEM is not set +# CONFIG_NET_SCH_DRR is not set # CONFIG_NET_SCH_INGRESS is not set # @@ -400,6 +409,7 @@ CONFIG_CLS_U32_MARK=y CONFIG_NET_CLS_RSVP=m CONFIG_NET_CLS_RSVP6=m CONFIG_NET_CLS_FLOW=m +# CONFIG_NET_CLS_CGROUP is not set # CONFIG_NET_EMATCH is not set CONFIG_NET_CLS_ACT=y CONFIG_NET_ACT_POLICE=y @@ -411,6 +421,7 @@ CONFIG_NET_ACT_NAT=m # CONFIG_NET_ACT_SKBEDIT is not set # CONFIG_NET_CLS_IND is not set CONFIG_NET_SCH_FIFO=y +# CONFIG_DCB is not set # # Network testing @@ -428,6 +439,7 @@ CONFIG_CAN_VCAN=m # CONFIG_CAN_DEBUG_DEVICES is not set # CONFIG_AF_RXRPC is not set # CONFIG_PHONET is not set +# CONFIG_WIMAX is not set # CONFIG_RFKILL is not set # CONFIG_NET_9P is not set # CONFIG_PCMCIA is not set @@ -475,11 +487,15 @@ CONFIG_DASD_DIAG=y CONFIG_DASD_EER=y CONFIG_VIRTIO_BLK=m CONFIG_MISC_DEVICES=y -# CONFIG_EEPROM_93CX6 is not set # CONFIG_ENCLOSURE_SERVICES is not set # CONFIG_C2PORT is not set # +# EEPROM support +# +# CONFIG_EEPROM_93CX6 is not set + +# # SCSI device support # # CONFIG_RAID_ATTRS is not set @@ -520,6 +536,7 @@ CONFIG_SCSI_FC_ATTRS=y # CONFIG_SCSI_SRP_ATTRS is not set CONFIG_SCSI_LOWLEVEL=y # CONFIG_ISCSI_TCP is not set +# CONFIG_LIBFC is not set # CONFIG_SCSI_DEBUG is not set CONFIG_ZFCP=y CONFIG_SCSI_DH=m @@ -566,6 +583,10 @@ CONFIG_NET_ETHERNET=y CONFIG_NETDEV_1000=y CONFIG_NETDEV_10000=y # CONFIG_TR is not set + +# +# Enable WiMAX (Networking options) to see the WiMAX drivers +# # CONFIG_WAN is not set # @@ -593,9 +614,11 @@ CONFIG_VIRTIO_NET=m # CONFIG_DEVKMEM=y CONFIG_UNIX98_PTYS=y +# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set CONFIG_LEGACY_PTYS=y CONFIG_LEGACY_PTY_COUNT=256 CONFIG_HVC_DRIVER=y +CONFIG_HVC_IUCV=y CONFIG_VIRTIO_CONSOLE=y CONFIG_HW_RANDOM=m CONFIG_HW_RANDOM_VIRTIO=m @@ -645,7 +668,6 @@ CONFIG_S390_VMUR=m # CONFIG_NEW_LEDS is not set CONFIG_ACCESSIBILITY=y # CONFIG_STAGING is not set -CONFIG_STAGING_EXCLUDE_BUILD=y # # File systems @@ -668,6 +690,7 @@ CONFIG_FILE_LOCKING=y # CONFIG_XFS_FS is not set # CONFIG_GFS2_FS is not set # CONFIG_OCFS2_FS is not set +# CONFIG_BTRFS_FS is not set CONFIG_DNOTIFY=y CONFIG_INOTIFY=y CONFIG_INOTIFY_USER=y @@ -703,10 +726,7 @@ CONFIG_TMPFS_POSIX_ACL=y # CONFIG_HUGETLBFS is not set # CONFIG_HUGETLB_PAGE is not set CONFIG_CONFIGFS_FS=m - -# -# Miscellaneous filesystems -# +CONFIG_MISC_FILESYSTEMS=y # CONFIG_ADFS_FS is not set # CONFIG_AFFS_FS is not set # CONFIG_HFS_FS is not set @@ -715,6 +735,7 @@ CONFIG_CONFIGFS_FS=m # CONFIG_BFS_FS is not set # CONFIG_EFS_FS is not set # CONFIG_CRAMFS is not set +# CONFIG_SQUASHFS is not set # CONFIG_VXFS_FS is not set # CONFIG_MINIX_FS is not set # CONFIG_OMFS_FS is not set @@ -808,6 +829,7 @@ CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_DEBUG_LIST is not set # CONFIG_DEBUG_SG is not set +# CONFIG_DEBUG_NOTIFIERS is not set # CONFIG_FRAME_POINTER is not set # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set @@ -818,15 +840,19 @@ CONFIG_DEBUG_MEMORY_INIT=y # CONFIG_FAULT_INJECTION is not set # CONFIG_LATENCYTOP is not set CONFIG_SYSCTL_SYSCALL_CHECK=y +CONFIG_HAVE_FUNCTION_TRACER=y # # Tracers # +# CONFIG_FUNCTION_TRACER is not set # CONFIG_IRQSOFF_TRACER is not set # CONFIG_PREEMPT_TRACER is not set # CONFIG_SCHED_TRACER is not set # CONFIG_CONTEXT_SWITCH_TRACER is not set # CONFIG_BOOT_TRACER is not set +# CONFIG_TRACE_BRANCH_PROFILING is not set +# CONFIG_STACK_TRACER is not set # CONFIG_DYNAMIC_PRINTK_DEBUG is not set CONFIG_SAMPLES=y # CONFIG_SAMPLE_KOBJECT is not set @@ -847,11 +873,17 @@ CONFIG_CRYPTO=y # CONFIG_CRYPTO_FIPS=y CONFIG_CRYPTO_ALGAPI=y -CONFIG_CRYPTO_AEAD=y +CONFIG_CRYPTO_ALGAPI2=y +CONFIG_CRYPTO_AEAD=m +CONFIG_CRYPTO_AEAD2=y CONFIG_CRYPTO_BLKCIPHER=y -CONFIG_CRYPTO_HASH=y -CONFIG_CRYPTO_RNG=y +CONFIG_CRYPTO_BLKCIPHER2=y +CONFIG_CRYPTO_HASH=m +CONFIG_CRYPTO_HASH2=y +CONFIG_CRYPTO_RNG=m +CONFIG_CRYPTO_RNG2=y CONFIG_CRYPTO_MANAGER=y +CONFIG_CRYPTO_MANAGER2=y CONFIG_CRYPTO_GF128MUL=m # CONFIG_CRYPTO_NULL is not set # CONFIG_CRYPTO_CRYPTD is not set @@ -885,7 +917,7 @@ CONFIG_CRYPTO_HMAC=m # # Digest # -# CONFIG_CRYPTO_CRC32C is not set +CONFIG_CRYPTO_CRC32C=m # CONFIG_CRYPTO_MD4 is not set CONFIG_CRYPTO_MD5=m # CONFIG_CRYPTO_MICHAEL_MIC is not set @@ -942,6 +974,7 @@ CONFIG_S390_PRNG=m # Library routines # CONFIG_BITREVERSE=m +CONFIG_GENERIC_FIND_LAST_BIT=y # CONFIG_CRC_CCITT is not set # CONFIG_CRC16 is not set CONFIG_CRC_T10DIF=y diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index ffdef5f..f3720de 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -384,8 +384,8 @@ struct _lowcore __u32 panic_magic; /* 0xe00 */ /* Per cpu primary space access list */ - __u8 pad_0xe04[0xe3c-0xe04]; /* 0xe04 */ - __u32 vdso_per_cpu_data; /* 0xe3c */ + __u8 pad_0xe04[0xe38-0xe04]; /* 0xe04 */ + __u64 vdso_per_cpu_data; /* 0xe38 */ __u32 paste[16]; /* 0xe40 */ __u8 pad13[0x11b8-0xe80]; /* 0xe80 */ diff --git a/arch/s390/kernel/irq.c b/arch/s390/kernel/irq.c index e7c5bfb..026a37a 100644 --- a/arch/s390/kernel/irq.c +++ b/arch/s390/kernel/irq.c @@ -95,6 +95,7 @@ asmlinkage void do_softirq(void) local_irq_restore(flags); } +#ifdef CONFIG_PROC_FS void init_irq_proc(void) { struct proc_dir_entry *root_irq_dir; @@ -102,3 +103,4 @@ void init_irq_proc(void) root_irq_dir = proc_mkdir("irq", NULL); create_prof_cpu_mask(root_irq_dir); } +#endif diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index bd59149..08c23a9 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -57,6 +57,8 @@ static void dasd_device_tasklet(struct dasd_device *); static void dasd_block_tasklet(struct dasd_block *); static void do_kick_device(struct work_struct *); static void dasd_return_cqr_cb(struct dasd_ccw_req *, void *); +static void dasd_device_timeout(unsigned long); +static void dasd_block_timeout(unsigned long); /* * SECTION: Operations on the device structure. @@ -99,6 +101,8 @@ struct dasd_device *dasd_alloc_device(void) (unsigned long) device); INIT_LIST_HEAD(&device->ccw_queue); init_timer(&device->timer); + device->timer.function = dasd_device_timeout; + device->timer.data = (unsigned long) device; INIT_WORK(&device->kick_work, do_kick_device); device->state = DASD_STATE_NEW; device->target = DASD_STATE_NEW; @@ -138,6 +142,8 @@ struct dasd_block *dasd_alloc_block(void) INIT_LIST_HEAD(&block->ccw_queue); spin_lock_init(&block->queue_lock); init_timer(&block->timer); + block->timer.function = dasd_block_timeout; + block->timer.data = (unsigned long) block; return block; } @@ -915,19 +921,10 @@ static void dasd_device_timeout(unsigned long ptr) */ void dasd_device_set_timer(struct dasd_device *device, int expires) { - if (expires == 0) { - if (timer_pending(&device->timer)) - del_timer(&device->timer); - return; - } - if (timer_pending(&device->timer)) { - if (mod_timer(&device->timer, jiffies + expires)) - return; - } - device->timer.function = dasd_device_timeout; - device->timer.data = (unsigned long) device; - device->timer.expires = jiffies + expires; - add_timer(&device->timer); + if (expires == 0) + del_timer(&device->timer); + else + mod_timer(&device->timer, jiffies + expires); } /* @@ -935,8 +932,7 @@ void dasd_device_set_timer(struct dasd_device *device, int expires) */ void dasd_device_clear_timer(struct dasd_device *device) { - if (timer_pending(&device->timer)) - del_timer(&device->timer); + del_timer(&device->timer); } static void dasd_handle_killed_request(struct ccw_device *cdev, @@ -1586,19 +1582,10 @@ static void dasd_block_timeout(unsigned long ptr) */ void dasd_block_set_timer(struct dasd_block *block, int expires) { - if (expires == 0) { - if (timer_pending(&block->timer)) - del_timer(&block->timer); - return; - } - if (timer_pending(&block->timer)) { - if (mod_timer(&block->timer, jiffies + expires)) - return; - } - block->timer.function = dasd_block_timeout; - block->timer.data = (unsigned long) block; - block->timer.expires = jiffies + expires; - add_timer(&block->timer); + if (expires == 0) + del_timer(&block->timer); + else + mod_timer(&block->timer, jiffies + expires); } /* @@ -1606,8 +1593,7 @@ void dasd_block_set_timer(struct dasd_block *block, int expires) */ void dasd_block_clear_timer(struct dasd_block *block) { - if (timer_pending(&block->timer)) - del_timer(&block->timer); + del_timer(&block->timer); } /* diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index 300e28a..3433990 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -677,7 +677,7 @@ static ssize_t dasd_ff_show(struct device *dev, struct device_attribute *attr, struct dasd_devmap *devmap; int ff_flag; - devmap = dasd_find_busid(dev->bus_id); + devmap = dasd_find_busid(dev_name(dev)); if (!IS_ERR(devmap)) ff_flag = (devmap->features & DASD_FEATURE_FAILFAST) != 0; else -- To unsubscribe from this list: send the line "unsubscribe linux-s390" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html