summaryrefslogtreecommitdiffstats
path: root/drivers
Commit message (Collapse)AuthorAgeFilesLines
* firewire: Add function to get speed from opaque struct fw_requestChris Boot2012-05-091-0/+9
| | | | | | | | | | | | | | | | | | | | | Sometimes it's useful to know the FireWire speed of the request that has just come in to a fw_address_handler callback. As struct fw_request is opaque we can't peek inside to get the speed out of the struct fw_packet that's just inside. For example, the SBP-2 spec says: "The speed at which the block write request to the MANAGEMENT_AGENT register is received shall determine the speed used by the target for all subsequent requests to read the initiator’s configuration ROM, fetch ORB’s from initiator memory or store status at the initiator’s status_FIFO. Command block ORB’s separately specify the speed for requests addressed to the data buffer or page table." [ ANSI T10/1155D Revision 4 page 53/54 ] Signed-off-by: Chris Boot <bootc@bootc.net> Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Cc: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the t_se_count field in struct se_cmdChristoph Hellwig2012-05-061-6/+0
| | | | | | | | Now that tasks are gone we are guaranteed to only get a single completion per command, and thus don't need this counter. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the t_task_cdbs_ex_left field in struct se_cmdChristoph Hellwig2012-05-062-13/+1
| | | | | | | | Now that tasks are gone we are guaranteed to only get a single completion per command, and thus don't need this counter. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the t_task_cdbs_left field in struct se_cmdChristoph Hellwig2012-05-062-12/+1
| | | | | | | | Now that tasks are gone we are guaranteed to only get a single completion per command, and thus don't need this counter. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove struct se_taskChristoph Hellwig2012-05-069-407/+205
| | | | | | | | | We can use struct se_cmd for everything it did. Make sure to pass the S/G list and data direction to the execution function to ease adding back BIDI support later on. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: move the state and execute lists to the commandChristoph Hellwig2012-05-063-282/+152
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: simplify command to task linkageChristoph Hellwig2012-05-062-83/+44
| | | | | | | | Now that we only have a single task per command we can use a direct pointer to it instead of list. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: always allocate a single taskChristoph Hellwig2012-05-061-120/+37
| | | | | | | | | | Simply transport_generic_new_cmd to only allocate a single task. For normal unidirection commands nothing changes except that the code is a lot simpler now. Any BIDI support that used to work will stop now for the next few patches at least. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: replace ->execute_task with ->execute_cmdChristoph Hellwig2012-05-0610-120/+90
| | | | | | | | Make CDB emulation work on commands instead of tasks again as a preparation of removing tasks completely. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the task_sectors field in struct se_taskChristoph Hellwig2012-05-061-2/+0
| | | | | | | Remove the task_sectors field that isn't used anywhere. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the task_size field in struct se_taskChristoph Hellwig2012-05-065-12/+12
| | | | | | | | | | Now that we don't split commands the size field in the task is always equivalent to the one in the CDB, even in cases where we have two tasks due to a BIDI transfer. Just refer the the size in the command instead of duplicating it in the task. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the task_lba field in struct se_taskChristoph Hellwig2012-05-064-12/+14
| | | | | | | | | | Now that we don't split commands the lba field in the task is always equivalent to the one in the CDB, even in cases where we have two tasks due to a BIDI transfer. Just refer the the lba in the command instead of duplicating it in the task. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove target_get_task_cdbChristoph Hellwig2012-05-062-50/+2
| | | | | | | | | | Now that tasks are always the same size as the command there is no need to rewrite a CDB in common code. Notw that we keep the separately allocated CDB in the pscsi and stgt backends for now, to easy reintroducing any command splitting local to these backends if nessecary. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: remove the unused transport_limit_task_sectors helperChristoph Hellwig2012-05-061-15/+0
| | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: Handle GET_EVENT_STATUS_NOTIFICATION passthroughStefan Hajnoczi2012-05-061-0/+4
| | | | | | | | | | | The SCSI MMC GET_EVENT_STATUS_NOTIFICATION command can be used to find out about media change, among other things. This patch adds it to the command sequencer so that PSCSI CD-ROM passthrough works with modern Linux guests that issue this command. Tested-by: Cong Meng <mengcong@cn.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: cleanup some allocation style issuesDan Carpenter2012-05-061-10/+10
| | | | | | | | | | | | We can use kcalloc() here instead of kzalloc(). It's better style and it has overflow checking built in. Also -ENOMEM is the correct error code for allocation errors. -1 means -EPERM. None of the callers preserve the error codes so it doesn't matter except as a cleanup. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Go back to core allocating data buffer for cmdAndy Grover2012-04-143-80/+6
| | | | | | | | | | | | | We originally changed iscsi to allocate its own buffers just as an intermediate step to clean up some core buffer allocation mechanisms. Now we can put it back. Also had to change allocate_iovecs to use data_length instead of t_data_nents because iovecs are now allocated before the data buffer, thus t_data_nents is not yet initialized. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: Call core_alua_check_nonop_delay in target_submit_cmd()Andy Grover2012-04-141-0/+7
| | | | | | | | It appears iscsi is the only one to call this in its cmd submit path, but it appears to be applicable to all fabrics, and should always be called. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Fold _decide_list_to_build into _build_pdu_and_seq_listsAndy Grover2012-04-145-58/+50
| | | | | | | | | | | | | | Rename iscsit_build_pdu_and_seq_list to iscsit_do_build_pdu_and_seq_lists Rename iscsit_do_build_list to iscsit_build_pdu_and_seq_lists Move code from iscsit_decide_list_to_build into _seq_pdu_list.c, seems a better fit. Also update some comments in pdu/seq code for correctness and whitespace. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Eliminate iscsi_cmd.data_lengthAndy Grover2012-04-148-67/+60
| | | | | | | | Redundant, just use iscsi_cmd->se_cmd.data_length once se_cmd is initialized, or hdr->data_length before then. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Move init_se_cmd closer to lookup_cmd_lunAndy Grover2012-04-141-11/+11
| | | | | | | | | | if we can get calls to init_se_cmd, get_sess_cmd, lookup_cmd_lun, core_alua_check_nonop_delay, and handle_cdb_direct next to each other, then we can just call target_submit_cmd. This is a step towards that goal. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Inline iscsit_allocate_se_cmd and *_for_tmrAndy Grover2012-04-143-130/+101
| | | | | | | | | Trying to move a bunch of stuff around so iscsi can use target_submit_cmd someday, and so stuff needs to be in that function directly instead of hidden, so it can be reordered etc. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: rewrite comment for generic_new_cmdAndy Grover2012-04-141-3/+3
| | | | | Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: Rename target_allocate_tasks to target_setup_cmd_from_cdbAndy Grover2012-04-144-15/+10
| | | | | | | | | | | This patch renames a horribly misnamed function that no longer allocate tasks to something more descriptive for it's modern use in target core. (nab: Fix up ib_srpt to use this as well ahead of a target_submit_cmd conversion) Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Misc cleanups from Agrover (round 2)Andy Grover2012-04-1412-109/+87
| | | | | | | | | | | | | | | This patch includes the handful of squashed patches for target/iscsi from Andy's original series into lio-core/master code: *) Make iscsit_add_reject static *) Remove unused data_offset_end from iscsi_datain_req *) Remove "#if 0" stubs *) Rename iscsi_datain_req to cmd_datain_node *) Cleanups for built_r2ts_for_cmd() *) Cleanups for Cleanup build_sendtargets_response() Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Refactor target_tx_thread immediate+response queue loopsAndy Grover2012-04-142-244/+244
| | | | | | | | | | | | | | | | | | | | | | | | | | Immediate queue: Consolidate down to one switch statement by moving send_tx_data and stuff from second switch into the first switch, or the functions the first switch calls. Response queue: Do not lock istate_lock except directly around i_state modifications. Put entire ISTATE_SEND_DATAIN path within first switch statement, in prep for further refactoring. All other cases set use_misc = 1 and will not be using sendpage, so just use send_tx_data for these and set use_misc param to 1. map_sg, sent_status, use_misc, and se_cmd vars no longer needed. Then put immediate and response handling in separate functions in order to get iscsi_target_tx_thread down to where it fits on a page. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Remove unneeded locking from iscsi_target_tx_threadAndy Grover2012-04-141-10/+2
| | | | | | | | | When processing immediate queue, we're switching on a local variable so it's not necessary to lock around it. However, we are modifying cmd->i_state in two spots, so lock around those parts only. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Misc cleanups from Agrover (round 1)Andy Grover2012-04-143-52/+16
| | | | | | | | | | | | | *) Use decoded cmd->immediate_cmd for conditional instead of re-examining hdr->opcode *) Make iscist_dataout_post_crc_passed more legible *) use max() to reduce code in build_r2ts_for_cmd() *) Remove CONFIG_SMP and if 0 ifdefs *) Replace if/goto with a while loop *) Remove unused conn->tx_immediate_queue and tx_response_queue Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target/iscsi: Rename iscsi_cmd.i_list to iscsi_cmd.i_conn_nodeAndy Grover2012-04-146-38/+38
| | | | | | | | The name change makes it clear this list_head is so the cmd can be an item in the connection's conn_cmd_list. Signed-off-by: Andy Grover <agrover@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: Remove transport_do_task_sg_chain() and associated detritusRoland Dreier2012-04-141-70/+0
| | | | | | | | | | | | | Now that all fabrics are converted over to using se_cmd->t_data_sg directly, we can drop the task sg chaining support. With the modern memory allocation in target core, task sg chaining is needless overhead -- we would split up the main cmd sglist into pieces, and then splice those pieces back together instead of just using the original list directly. Signed-off-by: Roland Dreier <roland@purestorage.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* IB/srpt: Remove use of transport_do_task_sg_chain()Roland Dreier2012-04-141-6/+2
| | | | | | | | | | | With the modern target core, se_cmd->t_data_sg already points to a sglist that covers the whole command. So task_sg chaining is needless overhead and obfuscation -- instead of splicing the split up task sglists back into one list, we can just use the original list directly. Signed-off-by: Roland Dreier <roland@purestorage.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* tcm_fc: Remove use of transport_do_task_sg_chain()Roland Dreier2012-04-143-18/+5
| | | | | | | | | | | | With the modern target core, se_cmd->t_data_sg already points to a sglist that covers the whole command. So task_sg chaining is needless overhead and obfuscation -- instead of splicing the split up task sglists back into one list, we can just use the original list directly. Signed-off-by: Roland Dreier <roland@purestorage.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Kiran Patil <Kiran.patil@intel.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: stop splitting commands into multiple tasksChristoph Hellwig2012-04-142-103/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | From hch: The high-performance backends (iblock and rd) support tasks of unlimited size. With that there is no reason to keep a complex infrastructure for splitting up commands in place. Stop doing so and only submit a single task per data direction. Once this is in place we can slowly remove fields from the task that duplicate things in the command, or move other fields into the command. From nab: The benefit to IBLOCK performance by removing the additional fast-path allocation overhead + SGL mapping to se_task->task_sg[] is now greater than transparently supporting an received CDB I/O length that exceeds what is allowed by backend pSCSI LLD hardware max_sectors, that was originally supported for all backend export cases. This change may effect some users of pSCSI users on legacy hardware, but I think most folks are now using TYPE_DISK struct scsi_device export with IBLOCK. The only other place where this may can issues that cannot be resolved with IBLOCK TYPE_DISK is using TYPE_ROM, TYPE_TAPE or other pSCSI non TYPE_DISK export with an SCSI LLDs using a smaller max_sectors. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: don't limit transfer sizes for the ramdisk backendChristoph Hellwig2012-04-142-6/+2
| | | | | | | | The ramdisk backend has not inherent limitations for handling requests, so don't artificially limits the transfer size. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: misc ramdisk backend cleanupsChristoph Hellwig2012-04-142-125/+41
| | | | | | | | Remove various leftovers of the old direct/indirect split, as well as the unused rd_request structure and a couple unused defines and fields. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: add unknown size flag to target_submit_cmd()Sebastian Andrzej Siewior2012-04-141-0/+5
| | | | | | | | | | | The UASP protocol does not inform the target device upfront how much data it should expect so we have to learn in from the CDB. So in order to handle this case, add a TARGET_SCF_UNKNOWN_SIZE to target_submit_cmd() and perform an explictly assignment for se_cmd->data_length from the extracted CDB size in transport_generic_cmd_sequencer(). Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* target: Remove obsolete DF_READ_ONLY usageNicholas Bellinger2012-04-142-11/+3
| | | | | | | | | | | | | This was used at one time as a hack by FILEIO backend registration to allow a struct block_device that was claimed with blkdev_get (by a local filesystem mount for example) to be exported as read-only (SCSI WP=1). Since FILEIO backend registration will no longer attempt to obtain exclusive access to an underlying struct block_device here, this flag is now obsolete. Reported-by: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* Merge tag 'regmap-3.4-fixes' of ↵Linus Torvalds2012-04-072-1/+8
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap Pull two more small regmap fixes from Mark Brown: - Now we have users for it that aren't running Android it turns out that regcache_sync_region() is much more useful to drivers if it's exported for use by modules. Who knew? - Make sure we don't divide by zero when doing debugfs dumps of rbtrees, not visible up until now because everything was providing at least some cache on startup. * tag 'regmap-3.4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap: regmap: prevent division by zero in rbtree_show regmap: Export regcache_sync_region()
| * regmap: prevent division by zero in rbtree_showStephen Warren2012-04-041-1/+7
| | | | | | | | | | | | | | | | | | If there are no nodes in the cache, nodes will be 0, so calculating "registers / nodes" will cause division by zero. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@vger.kernel.org
| * regmap: Export regcache_sync_region()Mark Brown2012-04-031-0/+1
| | | | | | | | | | | | | | regcache_sync_region() isn't going to be useful to most drivers if we don't export it since otherwise they can't use it when built modular. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
* | Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-shLinus Torvalds2012-04-072-89/+86
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull SuperH fixes from Paul Mundt. * tag 'sh-for-linus' of git://github.com/pmundt/linux-sh: sh: fix clock-sh7757 for the latest sh_mobile_sdhi driver serial: sh-sci: use serial_port_in/out vs sci_in/out. sh: vsyscall: Fix up .eh_frame generation. sh: dma: Fix up device attribute mismatch from sysdev fallout. sh: dwarf unwinder depends on SHcompact. sh: fix up fallout from system.h disintegration.
| * | serial: sh-sci: use serial_port_in/out vs sci_in/out.Paul Mundt2012-03-302-89/+86
| | | | | | | | | | | | | | | | | | | | | | | | Follows the 8250 change for pretty much the same rationale. See commit "serial: use serial_port_in/out vs serial_in/out in 8250". Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* | | Merge branch 'release' of ↵Linus Torvalds2012-04-062-2/+5
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull ACPI & Power Management patches from Len Brown: "Two fixes for cpuidle merge-window changes, plus a URL fix in MAINTAINERS" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: MAINTAINERS: Update git url for ACPI cpuidle: Fix panic in CPU off-lining with no idle driver ACPI processor: Use safe_halt() rather than halt() in acpi_idle_play_dead()
| * \ \ Merge branches 'idle-fix' and 'misc' into releaseLen Brown2012-04-064441-173979/+325606
| |\ \ \ | | | |/ | | |/|
| * | | cpuidle: Fix panic in CPU off-lining with no idle driverToshi Kani2012-04-061-1/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix a NULL pointer dereference panic in cpuidle_play_dead() during CPU off-lining when no cpuidle driver is registered. A cpuidle driver may be registered at boot-time based on CPU type. This patch allows an off-lined CPU to enter HLT-based idle in this condition. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Cc: Boris Ostrovsky <boris.ostrovsky@amd.com> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Tested-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | | ACPI processor: Use safe_halt() rather than halt() in acpi_idle_play_dead()Luck, Tony2012-04-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACPI code is shared by arch/x86 and arch/ia64. ia64 doesn't provide a plain "halt()" function. Use safe_halt() instead. Signed-off-by: Tony Luck <tony.luck@intel.com> Tested-by: Boris Ostrovsky <boris.ostrovsky@amd.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | | Merge branch '3.4-rc-fixes' of ↵Linus Torvalds2012-04-064-7/+19
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull target fixes from Nicholas Bellinger: "Pull two tcm_fc fabric related fixes for -rc2: Note that both have been CC'ed to stable, and patch #1 is the important one that addresses a memory corruption bug related to FC exchange timeouts + command abort. Thanks again to MDR for tracking down this issue!" * '3.4-rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: tcm_fc: Do not free tpg structure during wq allocation failure tcm_fc: Add abort flag for gracefully handling exchange timeout
| * | | | tcm_fc: Do not free tpg structure during wq allocation failureMark Rustad2012-04-061-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Avoid freeing a registered tpg structure if an alloc_workqueue call fails. This fixes a bug where the failure was leaking memory associated with se_portal_group setup during the original core_tpg_register() call. Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Acked-by: Kiran Patil <Kiran.patil@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| * | | | tcm_fc: Add abort flag for gracefully handling exchange timeoutMark Rustad2012-04-063-2/+11
| | |/ / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add abort flag and use it to terminate processing when an exchange is timed out or is reset. The abort flag is used in place of the transport_generic_free_cmd function call in the reset and timeout cases, because calling that function in that context would free memory that was in use. The aborted flag allows the lifetime to be managed in a more normal way, while truncating the processing. This change eliminates a source of memory corruption which manifested in a variety of ugly ways. (nab: Drop unused struct fc_exch *ep in ft_recv_seq) Signed-off-by: Mark Rustad <mark.d.rustad@intel.com> Acked-by: Kiran Patil <Kiran.patil@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
* | | | Merge branch 'stable' of ↵Linus Torvalds2012-04-063-32/+61
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile Pull arch/tile bug fixes from Chris Metcalf: "This includes Paul Gortmaker's change to fix the <asm/system.h> disintegration issues on tile, a fix to unbreak the tilepro ethernet driver, and a backlog of bugfix-only changes from internal Tilera development over the last few months. They have all been to LKML and on linux-next for the last few days. The EDAC change to MAINTAINERS is an oddity but discussion on the linux-edac list suggested I ask you to pull that change through my tree since they don't have a tree to pull edac changes from at the moment." * 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile: (39 commits) drivers/net/ethernet/tile: fix netdev_alloc_skb() bombing MAINTAINERS: update EDAC information tilepro ethernet driver: fix a few minor issues tile-srom.c driver: minor code cleanup edac: say "TILEGx" not "TILEPro" for the tilegx edac driver arch/tile: avoid accidentally unmasking NMI-type interrupt accidentally arch/tile: remove bogus performance optimization arch/tile: return SIGBUS for addresses that are unaligned AND invalid arch/tile: fix finv_buffer_remote() for tilegx arch/tile: use atomic exchange in arch_write_unlock() arch/tile: stop mentioning the "kvm" subdirectory arch/tile: export the page_home() function. arch/tile: fix pointer cast in cacheflush.c arch/tile: fix single-stepping over swint1 instructions on tilegx arch/tile: implement panic_smp_self_stop() arch/tile: add "nop" after "nap" to help GX idle power draw arch/tile: use proper memparse() for "maxmem" options arch/tile: fix up locking in pgtable.c slightly arch/tile: don't leak kernel memory when we unload modules arch/tile: fix bug in delay_backoff() ...
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 05:55:29 +0000