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2014-02-17drbd: Move susp, susp_nod, susp_fen from connection to resourceAndreas Gruenbacher4-19/+21
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Move conf_mutex from connection to resourceAndreas Gruenbacher8-161/+160
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: drbd_adm_prepare(): Only set adm_ctx.connection when a connection is ↵Andreas Gruenbacher1-6/+2
requested Also change drbd_adm_connect() to expect a resource after it requested one. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Iterate over all connectionsAndreas Gruenbacher2-53/+70
in drbd_adm_down(), drbd_create_device() and drbd_set_role() Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Rename net_conf variables old_conf -> old_net_conf and new_conf -> ↵Andreas Gruenbacher1-46/+46
new_net_conf Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: drbd_create_device(): Take a resource instead of a connection argumentAndreas Gruenbacher3-4/+4
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: drbd_adm_new_resource(): Check if resource exists, not if it has any ↵Andreas Gruenbacher1-1/+1
connections Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: get_one_status(): Iterate over resource->devices instead of ↵Andreas Gruenbacher1-26/+46
connection->peer_devices Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Rename drbd_{create,delete}_minor -> drbd_{create,delete}_deviceAndreas Gruenbacher3-7/+7
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Add explicit device parameter to D_ASSERTAndreas Gruenbacher9-107/+109
The implicit dependency on a variable inside the macro is problematic. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Replace and remove the obsolete conn_() macrosAndreas Gruenbacher6-109/+99
With the polymorphic drbd_() macros, we no longer need the connection specific variants. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Turn drbd_printk() into a polymorphic macroAndreas Gruenbacher1-15/+43
This allows drbd_alert(), drbd_err(), drbd_warn(), and drbd_info() to work for a resource, device, or connection so that we don't have to introduce three separate sets of macros for that. The drbd_printk() macro itself is pretty ugly, but that problem is limited to one place in the code. Using drbd_printk() on an object type which it doesn't understand results in an undefined drbd_printk_with_wrong_object_type symbol. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Remove the terrible DEV hackAndreas Gruenbacher9-283/+298
DRBD was using dev_err() and similar all over the code; instead of having to write dev_err(disk_to_dev(device->vdisk), ...) to convert a drbd_device into a kernel device, a DEV macro was used which implicitly references the device variable. This is terrible; introduce separate drbd_err() and similar macros with an explicit device parameter instead. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Turn connection->volumes into connection->peer_devicesAndreas Gruenbacher6-92/+136
Let connection->peer_devices point to peer devices; connection->volumes was pointing to devices. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Move resource options from connection to resourceAndreas Gruenbacher4-22/+25
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: conn_try_disconnect(): Use parameter instead of the global variableAndreas Gruenbacher1-1/+1
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Replace conn_get_by_name() with drbd_find_resource()Andreas Gruenbacher3-20/+30
So far, connections and resources always come in pairs, but in the future with multiple connections per resource, the names will stick with the resources. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Add struct drbd_resource->devicesAndreas Gruenbacher3-20/+51
This allows to access the volumes of a resource by number. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Minor cleanup in conn_new_minor()Andreas Gruenbacher1-10/+9
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Add struct drbd_device->resourceAndreas Gruenbacher3-2/+4
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: drbd_adm_down(): Move valid resource name check to drbd_adm_prepare()Andreas Gruenbacher1-6/+3
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Add struct drbd_resourceAndreas Gruenbacher3-78/+179
In a first step, each resource has exactly one connection, and both objects are allocated at the same time. The final result will be one resource and zero or more connections. Only allow to delete a resource if all its connections are C_STANDALONE. Stop the worker threads of all connections early enough. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Improve some function and variable namingAndreas Gruenbacher8-49/+49
Rename functions conn_destroy() -> drbd_destroy_connection(), drbd_minor_destroy() -> drbd_destroy_device() drbd_adm_add_minor() -> drbd_adm_add_minor() drbd_adm_delete_minor() -> drbd_adm_del_minor() Rename global variable minors to drbd_devices Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Introduce "peer_device" object between "device" and "connection"Andreas Gruenbacher11-377/+416
In a setup where a device (aka volume) can replicate to multiple peers and one connection can be shared between multiple devices, we need separate objects to represent devices on peer nodes and network connections. As a first step to introduce multiple connections per device, give each drbd_device object a single drbd_peer_device object which connects it to a drbd_connection object. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Rename drbd_tconn -> drbd_connectionAndreas Gruenbacher12-1447/+1447
sed -i -e 's:all_tconn:connections:g' -e 's:tconn:connection:g' Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Rename "mdev" to "device"Andreas Gruenbacher13-3400/+3400
sed -i -e 's:mdev:device:g' Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Rename struct drbd_conf -> struct drbd_deviceAndreas Gruenbacher13-562/+562
sed -i -e 's:\<drbd_conf\>:drbd_device:g' Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Split off on-the-wire protocol definitionsAndreas Gruenbacher7-292/+301
Keep the protocol definitions separate from the kernel code; they are useful in their own right. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Describe the future high-level structure of DRBDAndreas Gruenbacher1-0/+38
The following commits will successively transform DRBD into the structure described here. Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17idr: Add new function idr_is_empty()Andreas Gruenbacher2-0/+11
Signed-off-by: Andreas Gruenbacher <agruen@linbit.com> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drbd: Add missing error gotoPhilipp Reisner1-0/+1
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
2014-02-17drivers: block: Remove unused function drbd_bm_write_lazy() in drbd_bitmap.cRashika Kheria1-10/+0
Remove unused function drbd_bm_write_lazy() in drbd/drbd_bitmap.c. This eliminates the following warning in drbd/drbd_bitmap.c: drivers/block/drbd/drbd_bitmap.c:1208:5: warning: no previous prototype for ‘drbd_bm_write_lazy’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark function seq_printf_with_thousands_grouping() as static ↵Rashika Kheria1-1/+1
in drbd_proc.c Mark function seq_printf_with_thousands_grouping() as static in drbd/drbd_proc.c because it is not used outside this file. This eliminates the following warning in drbd/drbd_proc.c: drivers/block/drbd/drbd_proc.c:49:6: warning: no previous prototype for ‘seq_printf_with_thousands_grouping’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark the function as static in drbd_worker.cRashika Kheria1-6/+6
Mark functions drbd_endio_read_sec_final(), drbd_send_barrier(), need_to_send_barrier(), dequeue_work_batch(), dequeue_work_item() and wait_for_work() as static in drbd/drbd_worker.c because they are not used outside this file. This eliminates the following warnings in drbd/drbd_worker.c: drivers/block/drbd/drbd_worker.c:99:6: warning: no previous prototype for ‘drbd_endio_read_sec_final’ [-Wmissing-prototypes] drivers/block/drbd/drbd_worker.c:1276:5: warning: no previous prototype for ‘drbd_send_barrier’ [-Wmissing-prototypes] drivers/block/drbd/drbd_worker.c:1774:6: warning: no previous prototype for ‘need_to_send_barrier’ [-Wmissing-prototypes] drivers/block/drbd/drbd_worker.c:1798:6: warning: no previous prototype for ‘dequeue_work_batch’ [-Wmissing-prototypes] drivers/block/drbd/drbd_worker.c:1806:6: warning: no previous prototype for ‘dequeue_work_item’ [-Wmissing-prototypes] drivers/block/drbd/drbd_worker.c:1815:6: warning: no previous prototype for ‘wait_for_work’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Move prototype declaration to appropriate header file from ↵Rashika Kheria2-2/+4
drbd_main.c Move prototype declaration of functions drbdd_init() and drbd_asender() from drbd/drbd_main.c to header file drbd/drbd_int.h because these functions are used by more than one file. This eliminates the following warning in drbd/drbd_receiver.c: drivers/block/drbd/drbd_receiver.c:4836:5: warning: no previous prototype for ‘drbdd_init’ [-Wmissing-prototypes] drivers/block/drbd/drbd_receiver.c:5245:5: warning: no previous prototype for ‘drbd_asender’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark functions as static in drbd_receiver.cRashika Kheria1-1/+2
Mark functions conn_wait_active_ee_empty() and drbd_crypto_alloc_digest_safe() as static in drbd/drbd_receiver.c because they are not used outside this file. This eliminates the following warning in drbd/drbd_receiver.c: drivers/block/drbd/drbd_receiver.c:1401:6: warning: no previous prototype for ‘conn_wait_active_ee_empty’ [-Wmissing-prototypes] drivers/block/drbd/drbd_receiver.c:3259:21: warning: no previous prototype for ‘drbd_crypto_alloc_digest_safe’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark functions as static in drbd_req.cRashika Kheria1-2/+2
Mark functions drbd_request_prepare() and find_oldest_request() as static in drbd/drbd_req.c because they are not used outside this file. This eliminates the following warnings in drbd/drbd_req.c: drivers/block/drbd/drbd_req.c:1037:1: warning: no previous prototype for ‘drbd_request_prepare’ [-Wmissing-prototypes] drivers/block/drbd/drbd_req.c:1323:22: warning: no previous prototype for ‘find_oldest_request’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Move prototype declaration of function tl_abort_disk_io() to ↵Rashika Kheria2-3/+1
appropriate header file from drbd_state.c Move the prototype declaration of function tl_abort_disk_io() from drbd/drbd_state.c to appropriate header file drbd/drbd_int.h because it is used by more than 2 files. This eliminates the following warnings in drbd/drbd_main.c: drivers/block/drbd/drbd_main.c:310:6: warning: no previous prototype for ‘tl_abort_disk_io’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark function as static in drbd_actlog.cRashika Kheria1-0/+1
Mark the function drbd_al_begin_io_prepare() as static in drbd/drbd_actlog.c because it is not used outside this file. This eliminates the following warnings in drbd/drbd_actlog.c: drivers/block/drbd/drbd_actlog.c:277:6: warning: no previous prototype for ‘drbd_al_begin_io_prepare’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark functions as static in drbd_nl.cRashika Kheria1-4/+5
Mark functions conn_khelper(), nla_put_drbd_cfg_context(), nla_put_status_info() and get_one_status() as static in drbd/drbd_nl.c because they are not used outside this file. This eliminates the following warnings in drbd/drbd_nl.c: drivers/block/drbd/drbd_nl.c:365:5: warning: no previous prototype for ‘conn_khelper’ [-Wmissing-prototypes] drivers/block/drbd/drbd_nl.c:2727:5: warning: no previous prototype for ‘nla_put_drbd_cfg_context’ [-Wmissing-prototypes] drivers/block/drbd/drbd_nl.c:2753:5: warning: no previous prototype for ‘nla_put_status_info’ [-Wmissing-prototypes] drivers/block/drbd/drbd_nl.c:2895:5: warning: no previous prototype for ‘get_one_status’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17drivers: block: Mark functions as static in drbd_main.cRashika Kheria1-3/+3
Mark functions _drbd_send_uuids(), fill_bitmap_rle_bits() and init_submitter() as static in drbd/drbd_main.c because they are not used outside this file. This eliminates the following warnings in drbd/drbd_main.c: drivers/block/drbd/drbd_main.c:826:5: warning: no previous prototype for ‘_drbd_send_uuids’ [-Wmissing-prototypes] drivers/block/drbd/drbd_main.c:1070:5: warning: no previous prototype for ‘fill_bitmap_rle_bits’ [-Wmissing-prototypes] drivers/block/drbd/drbd_main.c:2592:5: warning: no previous prototype for ‘init_submitter’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org> Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
2014-02-17Linux 3.14-rc3v3.14-rc3Linus Torvalds1-1/+1
2014-02-16Merge branch 'for-linus' of ↵Linus Torvalds7-23/+28
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs fixes from Chris Mason: "We have a small collection of fixes in my for-linus branch. The big thing that stands out is a revert of a new ioctl. Users haven't shipped yet in btrfs-progs, and Dave Sterba found a better way to export the information" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: Btrfs: use right clone root offset for compressed extents btrfs: fix null pointer deference at btrfs_sysfs_add_one+0x105 Btrfs: unset DCACHE_DISCONNECTED when mounting default subvol Btrfs: fix max_inline mount option Btrfs: fix a lockdep warning when cleaning up aborted transaction Revert "btrfs: add ioctl to export size of global metadata reservation"
2014-02-16Merge tag 'dt-fixes-for-3.14' of ↵Linus Torvalds1-34/+54
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull devicetree fixes from Rob Herring: "Fix booting on PPC boards. Changes to of_match_node matching caused the serial port on some PPC boards to stop working. Reverted the change and reimplement to split matching between new style compatible only matching and fallback to old matching algorithm" * tag 'dt-fixes-for-3.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: search the best compatible match first in __of_match_node() Revert "OF: base: match each node compatible against all given matches first"
2014-02-16of: search the best compatible match first in __of_match_node()Kevin Hao1-1/+42
Currently, of_match_node compares each given match against all node's compatible strings with of_device_is_compatible. To achieve multiple compatible strings per node with ordering from specific to generic, this requires given matches to be ordered from specific to generic. For most of the drivers this is not true and also an alphabetical ordering is more sane there. Therefore, this patch introduces a function to match each of the node's compatible strings against all given compatible matches without type and name first, before checking the next compatible string. This implies that node's compatibles are ordered from specific to generic while given matches can be in any order. If we fail to find such a match entry, then fall-back to the old method in order to keep compatibility. Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by: Kevin Hao <haokexin@gmail.com> Tested-by: Stephen Chivers <schivers@csc.com> Signed-off-by: Rob Herring <robh@kernel.org>
2014-02-16Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds11-23/+30
Pull SCSI target fixes from Nicholas Bellinger: "Mostly minor fixes this time to v3.14-rc1 related changes. Also included is one fix for a free after use regression in persistent reservations UNREGISTER logic that is CC'ed to >= v3.11.y stable" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: Target/sbc: Fix protection copy routine IB/srpt: replace strict_strtoul() with kstrtoul() target: Simplify command completion by removing CMD_T_FAILED flag iser-target: Fix leak on failure in isert_conn_create_fastreg_pool iscsi-target: Fix SNACK Type 1 + BegRun=0 handling target: Fix missing length check in spc_emulate_evpd_83() qla2xxx: Remove last vestiges of qla_tgt_cmd.cmd_list target: Fix 32-bit + CONFIG_LBDAF=n link error w/ sector_div target: Fix free-after-use regression in PR unregister
2014-02-16Merge branch 'i2c/for-current' of ↵Linus Torvalds2-21/+53
git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fixes from Wolfram Sang: "i2c has a bugfix and documentation improvements for you" * 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: Documentation: i2c: mention ACPI method for instantiating devices Documentation: i2c: describe devicetree method for instantiating devices i2c: mv64xxx: refactor message start to ensure proper initialization
2014-02-16Merge branches 'irq-urgent-for-linus' and 'irq-core-for-linus' of ↵Linus Torvalds3-0/+51
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq update from Thomas Gleixner: "Fix from the urgent branch: a trivial oneliner adding the missing Kconfig dependency curing build failures which have been discovered by several build robots. The update in the irq-core branch provides a new function in the irq/devres code, which is a prerequisite for driver developers to get rid of boilerplate code all over the place. Not a bugfix, but it has zero impact on the current kernel due to the lack of users. It's simpler to provide the infrastructure to interested parties via your tree than fulfilling the wishlist of driver maintainers on which particular commit or tag this should be based on" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Add missing irq_to_desc export for CONFIG_SPARSE_IRQ=n * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Add devm_request_any_context_irq()
2014-02-16Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds3-26/+35
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "The following trilogy of patches brings you: - fix for a long standing math overflow issue with HZ < 60 - an onliner fix for a corner case in the dreaded tick broadcast mechanism affecting a certain range of AMD machines which are infested with the infamous automagic C1E power control misfeature - a fix for one of the ARM platforms which allows the kernel to proceed and boot instead of stupidly panicing for no good reason. The patch is slightly larger than necessary, but it's less ugly than the alternative 5 liner" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: tick: Clear broadcast pending bit when switching to oneshot clocksource: Kona: Print warning rather than panic time: Fix overflow when HZ is smaller than 60
2014-02-16Merge tag 'trace-fixes-v3.14-rc2' of ↵Linus Torvalds2-36/+54
git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull twi tracing fixes from Steven Rostedt: "Two urgent fixes in the tracing utility. The first is a fix for the way the ring buffer stores timestamps. After a restructure of the code was done, the ring buffer timestamp logic missed the fact that the first event on a sub buffer is to have a zero delta, as the full timestamp is stored on the sub buffer itself. But because the delta was not cleared to zero, the timestamp for that event will be calculated as the real timestamp + the delta from the last timestamp. This can skew the timestamps of the events and have them say they happened when they didn't really happen. That's bad. The second fix is for modifying the function graph caller site. When the stop machine was removed from updating the function tracing code, it missed updating the function graph call site location. It is still modified as if it is being done via stop machine. But it's not. This can lead to a GPF and kernel crash if the function graph call site happens to lie between cache lines and one CPU is executing it while another CPU is doing the update. It would be a very hard condition to hit, but the result is severe enough to have it fixed ASAP" * tag 'trace-fixes-v3.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: ftrace/x86: Use breakpoints for converting function graph caller ring-buffer: Fix first commit on sub-buffer having non-zero delta
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