aboutsummaryrefslogtreecommitdiff
AgeCommit message (Collapse)AuthorFilesLines
2015-10-29megaraid_sas: Support for Cutlass (12 Gbps) controller[email protected]3-0/+23
Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Tomas Henzl <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Support for Intruder (12 Gbps) controller[email protected]2-0/+17
Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Tomas Henzl <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Remove PCI id checks[email protected]4-146/+76
Remove PCI id based checks and use instance->ctrl_context to decide whether controller is MFI-based or a Fusion adapter. Additionally, Fusion adapters are divided into two categories: Thunderbolt and Invader. Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Tomas Henzl <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Expose TAPE drives unconditionally[email protected]1-2/+3
Expose non-disk (TAPE drive, CD-ROM) unconditionally. Cc: <[email protected]> Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Tomas Henzl <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Version update[email protected]1-2/+2
Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Code refactor for use of requestorId[email protected]1-17/+18
Some of these code changes were proposed by David Binderman. Removed redudant check of requestorId. Redundant condition: instance.requestorId. Check for plasma firmware 1.11 are now restructured to support only specific device id. Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Fix validHandles check in I/O path[email protected]1-1/+1
Syncro firmware supports round robin I/O switching on dual path. Driver uses validHandles to check for dual path. However, it is supposed to check for values > 1 (not > 2). Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Print critical firmware event messages[email protected]2-0/+71
Print firmware events in human-readable form. This will help users track any critical firmware events without special application support. Sample syslogd output: megaraid_sas 0000:02:00.0: 8619 (491648347s/0x0020/WARN) - Controller temperature threshold exceeded. This may indicate inadequate system cooling. Switching to low performance mode. The format of logged events is: "<pci_dev_id>: <sequence_number> (<timestamp>/<locale>/<class>) - <description>" Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Chip reset if driver fails to get IOC ready[email protected]1-75/+68
Fix the issue reported at: http://marc.info/?l=linux-scsi&m=143694494104544&w=2 Try to do chip reset at driver load time. If firmware fails to reach ready state, try chip reset using adp_reset() callback. For Fusion adapters the call back was previously void. Provide a suitable reset function. Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin K. Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Support for max_io_size 1MB[email protected]3-20/+58
Driver will expose max sge = 256 (earlier it was 64) if firmware supports extended IO size (1M). Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Code cleanup-use local variable drv_ops inside ↵[email protected]1-10/+10
megasas_ioc_init_fusion Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: JBOD sequence number support[email protected]4-16/+242
Implemented JBOD map which will provide quick access for JBOD path and also provide sequence number. This will help hardware to fail command to the FW in case of any sequence mismatch. Fast Path I/O for JBOD will refer JBOD map (which has sequence number per JBOD device) instead of RAID map. Previously, the driver used RAID map to get device handle for fast path I/O and this not have sequence number information. Now, driver will use JBOD map instead. As part of error handling, if JBOD map is failed/not supported by firmware, driver will continue using legacy behavior. Now there will be three IO paths for JBOD (syspd): - JBOD map with sequence number (Fast Path) - RAID map without sequence number (Fast Path) - FW path via h/w exception queue deliberately setup devhandle 0xFFFF (FW path). Relevant data structures: - Driver send new DCMD MR_DCMD_SYSTEM_PD_MAP_GET_INFO for this purpose. - struct MR_PD_CFG_SEQ- This structure represent map of single physical device. - struct MR_PD_CFG_SEQ_NUM_SYNC- This structure represent whole JBOD map in general(size, count of sysPDs configured, struct MR_PD_CFG_SEQ of syspD with 0 index). - JBOD sequence map size is: sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) + (sizeof(struct MR_PD_CFG_SEQ) * (MAX_PHYSICAL_DEVICES - 1)) which is allocated while setting up JBOD map at driver load time. Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Increase timeout to 60 secs for abort frames during shutdown[email protected]1-2/+2
Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-29megaraid_sas: Synchronize driver headers with firmware APIs[email protected]2-5/+16
Signed-off-by: Sumit Saxena <[email protected]> Signed-off-by: Kashyap Desai <[email protected]> Reviewed-by: Martin Petersen <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
2015-10-27SCSI: fix bug in scsi_dev_info_list matchingAlan Stern1-34/+35
The "compatible" matching algorithm used for looking up old-style blacklist entries in a scsi_dev_info_list is buggy. The core of the algorithm looks like this: if (memcmp(devinfo->vendor, vendor, min(max, strlen(devinfo->vendor)))) /* not a match */ where max is the length of the device's vendor string after leading spaces have been removed but trailing spaces have not. Because of the min() computation, either entry could be a proper substring of the other and the code would still think that they match. In the case originally reported, the device's vendor and product strings were "Inateck " and " ". These matched against the following entry in the global device list: {"", "Scanner", "1.80", BLIST_NOLUN} because "" is a substring of "Inateck " and "" (the result of removing leading spaces from the device's product string) is a substring of "Scanner". The mistaken match prevented the system from scanning and finding the device's second Logical Unit. This patch fixes the problem by making two changes. First, the code for leading-space removal is hoisted out of the loop. (This means it will sometimes run unnecessarily, but since a large percentage of all lookups involve the "compatible" entries in global device list, this should be an overall improvement.) Second and more importantly, the patch removes trailing spaces and adds a check to verify that the two resulting strings are exactly the same length. This prevents matches where one entry is a proper substring of the other. Signed-off-by: Alan Stern <[email protected]> Reported-by: Giulio Bernardi <[email protected]> Tested-by: Giulio Bernardi <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27SCSI: refactor device-matching code in scsi_devinfo.cAlan Stern1-71/+41
In drivers/scsi/scsi_devinfo.c, the scsi_dev_info_list_del_keyed() and scsi_get_device_flags_keyed() routines contain a large amount of duplicate code for finding vendor/product matches in a scsi_dev_info_list. This patch factors out the duplicate code and puts it in a separate function, scsi_dev_info_list_find(). Signed-off-by: Alan Stern <[email protected]> Suggested-by: Giulio Bernardi <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27fnic: check pci_map_single() return valueMaurizio Lombardi2-8/+54
the kernel prints some warnings when compiled with CONFIG_DMA_API_DEBUG. This is because the fnic driver doesn't check the return value of pci_map_single(). [ 11.942770] scsi host12: fnic [ 11.950811] ------------[ cut here ]------------ [ 11.950818] WARNING: at lib/dma-debug.c:937 check_unmap+0x47b/0x920() [ 11.950821] fnic 0000:0c:00.0: DMA-API: device driver failed to check map error[device address=0x0000002020a30040] [size=44 bytes] [mapped as single] Signed-off-by: Maurizio Lombardi <[email protected]> Reviewed-by: Johannes Thumshirn <[email protected]> Reviewed By: Tomas Henzl <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27be2iscsi: Revert ownership to EmulexKetan Mukadam10-22/+22
We would like to get the following updates in: Revert ownership to "Emulex" from "Avago Technologies" Signed-off-by: Ketan Mukadam <[email protected]> Reviewed-by: Mike Christie <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27MAINTAINERS: Update be2iscsi driverKetan Mukadam1-2/+2
Signed-off-by: Ketan Mukadam <[email protected]> Reviewed-by: Mike Christie <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27bnx2fc: Do not log error for netevents that need no actionShirish Pargaonkar1-1/+0
Do not log error for netevents that need no action such as NETDEV_REGISTER 0x0005, NETDEV_CHANGEADDR, and NETDEV_CHANGENAME. It results in logging error messages such as these [ 35.315872] bnx2fc: Unknown netevent 5 [ 35.315935] bnx2fc: Unknown netevent 8 [ 35.353866] bnx2fc: Unknown netevent 10 and generating bug reports. Remove logging this message as an ERROR instead of turning them into either DEBUG or INFO level messages. Signed-off-by: Shirish Pargaonkar <[email protected]> Acked-by: Eddie Wai <[email protected]> Acked-by: Chad Dupuis <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Update version to 11.0.0.0 for upstream patch setJames Smart1-1/+1
Signed-off-by: Dick Kennedy <[email protected]> Signed-off-by: James Smart <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Fix default RA_TOV and ED_TOV in the FC/FCoE driver for all topologiesJames Smart2-2/+15
Initial link up defaults were not properly being tracked relative to initial FLOGI or pt2pt PLOGI. Add code to initialize them. Signed-off-by: Dick Kennedy <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: The linux driver does not reinitiate discovery after a failed FLOGIJames Smart1-2/+7
Forgot to clear FCF Discovery in-progress flag upon FLOGI failures. Thus we didn't restart FLOGI. Signed-off-by: Dick Kennedy <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Fix for discovery failure in PT2PT when FLOGI's ELS ACC response gets ↵James Smart1-14/+17
aborted Fix for discovery failure in PT2PT when FLOGI's ELS ACC response gets aborted Change login state machine to: - Restart FLOGI if prior is ABTS'd - Reject incoming FLOGIs if we have one pending The above ensures that we always finish FLOGI processing, regardless of who initated FLOGI, before processing PLOGI's. Signed-off-by: Dick Kennedy <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Add support for Lancer G6 and 32G FC linksJames Smart8-9/+58
Signed-off-by: Dick Kennedy <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27fix: lpfc_send_rscn_event sends bigger buffer sizeAles Novak1-1/+1
lpfc_send_rscn_event() allocates data for sizeof(struct lpfc_rscn_event_header) + payload_len, but claims that the data has size of sizeof(struct lpfc_els_event_header) + payload_len. That leads to buffer overruns. Signed-off-by: Ales Novak <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Reviewed-by: Sebastian Herbszt <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: remove set but not used variablesSebastian Herbszt10-126/+8
Remove set but not used variables. Signed-off-by: Sebastian Herbszt <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc:Make the function lpfc_sli4_mbox_completions_pending static in order to ↵Nicholas Krause1-1/+1
comply with function prototype This makes the function lpfc_sli4_mbox_completion's definition static now in order to comply with its prototype being also declared as static too. Signed-off-by: Nicholas Krause <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Sebastian Herbszt <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27Fix kmalloc overflow in LPFC driver at large core countIan Mitchell2-6/+1
This patch allows the LPFC to start up without a fatal kernel bug based on an exceeded KMALLOC_MAX_SIZE and a too large NR_CPU-based maskbits field. The bug was based on the number of CPU cores in a system. Using the get_cpu_mask() function declared in kernel/cpu.c allows the driver to load on the community kernel 4.2 RC1. Below is the kernel bug reproduced: 8<-------------------------------------------------------------------- 2199382.828437 ( 0.005216)| lpfc 0003:02:00.0: enabling device (0140 -> 0142) 2199382.999272 ( 0.170835)| ------------[ cut here ]------------ 2199382.999337 ( 0.000065)| WARNING: CPU: 84 PID: 404 at mm/slab_common.c:653 kmalloc_slab+0x2f/0x89() 2199383.004534 ( 0.005197)| Modules linked in: lpfc(+) usbcore(+) mptctl scsi_transport_fc sg lpc_ich i2c_i801 usb_common tpm_tis mfd_core tpm acpi_cpufreq button scsi_dh_alua scsi_dh_rdacusbcore: registered new device driver usb 2199383.020568 ( 0.016034)| 2199383.020581 ( 0.000013)| scsi_dh_hp_sw scsi_dh_emc scsi_dh gru thermal sata_nv processor piix fan thermal_sysehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver 2199383.035288 ( 0.014707)| 2199383.035306 ( 0.000018)| hwmon ata_piix 2199383.035336 ( 0.000030)| CPU: 84 PID: 404 Comm: kworker/84:0 Not tainted 3.18.0-rc2-gat-00106-ga7ca10f-dirty #178 2199383.047077 ( 0.011741)| ehci-pci: EHCI PCI platform driver 2199383.047134 ( 0.000057)| Hardware name: SGI UV2000/ROMLEY, BIOS SGI UV 2000/3000 series BIOS 01/15/2013 2199383.056245 ( 0.009111)| Workqueue: events work_for_cpu_fn 2199383.066174 ( 0.009929)| 000000000000028d ffff88eef827bbe8 ffffffff815a542f 000000000000028d 2199383.069545 ( 0.003371)| ffffffff810ea142 ffff88eef827bc28 ffffffff8104365c ffff88eefe4006c8 2199383.076214 ( 0.006669)| 0000000000000000 00000000000080d0 0000000000000000 0000000000000004 2199383.079213 ( 0.002999)| Call Trace: 2199383.084084 ( 0.004871)| [<ffffffff815a542f>] dump_stack+0x49/0x62 2199383.087283 ( 0.003199)| [<ffffffff810ea142>] ? kmalloc_slab+0x2f/0x89 2199383.091415 ( 0.004132)| [<ffffffff8104365c>] warn_slowpath_common+0x77/0x92 2199383.095197 ( 0.003782)| [<ffffffff8104368c>] warn_slowpath_null+0x15/0x17 2199383.103336 ( 0.008139)| [<ffffffff810ea142>] kmalloc_slab+0x2f/0x89 2199383.107082 ( 0.003746)| [<ffffffff8110fd9e>] __kmalloc+0x13/0x16a 2199383.112531 ( 0.005449)| [<ffffffffa01a8ed9>] lpfc_pci_probe_one_s4+0x105b/0x1644 [lpfc] 2199383.115316 ( 0.002785)| [<ffffffff81302b92>] ? pci_bus_read_config_dword+0x75/0x87 2199383.123431 ( 0.008115)| [<ffffffffa01a951f>] lpfc_pci_probe_one+0x5d/0xcb5 [lpfc] 2199383.127364 ( 0.003933)| [<ffffffff81497119>] ? dbs_check_cpu+0x168/0x177 2199383.136438 ( 0.009074)| [<ffffffff81496fa5>] ? gov_queue_work+0xb4/0xc0 2199383.140407 ( 0.003969)| [<ffffffff8130b2a1>] local_pci_probe+0x1e/0x52 2199383.143105 ( 0.002698)| [<ffffffff81052c47>] work_for_cpu_fn+0x13/0x1b 2199383.147315 ( 0.004210)| [<ffffffff81054965>] process_one_work+0x222/0x35e 2199383.151379 ( 0.004064)| [<ffffffff81054e76>] worker_thread+0x3d5/0x46e 2199383.159402 ( 0.008023)| [<ffffffff81054aa1>] ? process_one_work+0x35e/0x35e 2199383.163097 ( 0.003695)| [<ffffffff810599c6>] kthread+0xc8/0xd2 2199383.167476 ( 0.004379)| [<ffffffff810598fe>] ? kthread_freezable_should_stop+0x5b/0x5b 2199383.176434 ( 0.008958)| [<ffffffff815a8cac>] ret_from_fork+0x7c/0xb0 2199383.180086 ( 0.003652)| [<ffffffff810598fe>] ? kthread_freezable_should_stop+0x5b/0x5b 2199383.192333 ( 0.012247)| ehci-pci 0000:00:1a.0: EHCI Host Controller -------------------------------------------------------------------->8 The proposed solution was approved by James Smart at Emulex and tested on a UV2 machine with 6144 cores. With the fix, the LPFC module loads with no unwanted effects on the system. Signed-off-by: Ian Mitchell <[email protected]> Signed-off-by: Alex Thorlton <[email protected]> Suggested-by: Robert Elliot <[email protected]> [james.smart: resolve unused variable warning] Signed-off-by: James Smart <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Destroy lpfc_hba_index IDR on module exitJohannes Thumshirn1-0/+1
Destroy lpfc_hba_index IDR on module exit, reclaiming the allocated memory. This was detected by the following semantic patch (written by Luis Rodriguez <[email protected]>) <SmPL> @ defines_module_init @ declarer name module_init, module_exit; declarer name DEFINE_IDR; identifier init; @@ module_init(init); @ defines_module_exit @ identifier exit; @@ module_exit(exit); @ declares_idr depends on defines_module_init && defines_module_exit @ identifier idr; @@ DEFINE_IDR(idr); @ on_exit_calls_destroy depends on declares_idr && defines_module_exit @ identifier declares_idr.idr, defines_module_exit.exit; @@ exit(void) { ... idr_destroy(&idr); ... } @ missing_module_idr_destroy depends on declares_idr && defines_module_exit && !on_exit_calls_destroy @ identifier declares_idr.idr, defines_module_exit.exit; @@ exit(void) { ... +idr_destroy(&idr); } </SmPL> Signed-off-by: Johannes Thumshirn <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: in sli3 use configured sg_seg_cnt for sg_tablesizeBodo Stroesser1-1/+1
Currently the module parameter lpfc_sg_seg_count does not have effect for sli3 devices. In lpfc_sli_driver_resource_setup(), which is used for sli3, the code writes the configured sg_seg_cnt into lpfc_template.sg_tablesize. But lpfc_template is the template used for sli4 only. Thus the value should correctly be written to lpfc_template_s3->sg_tablesize. This patch is for kernel 4.1-rc5, but is tested with lpfc 10.2.405.26 only. Signed-off-by: Bodo Stroesser <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Sebastian Herbszt <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: Remove unnessary castFiro Yang1-2/+1
kzalloc() returns a void pointer - no need to cast it in drivers/scsi/lpfc/lpfc_init.c::lpfc_sli_driver_resource_setup() Signed-off-by: Firo Yang <[email protected]> Signed-off-by: James Smart <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-27lpfc: fix model descriptionSebastian Herbszt1-1/+1
Remove trailing space from model description. Signed-off-by: Sebastian Herbszt <[email protected]> Signed-off-by: James Smart <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-073w-9xxx: don't unmap bounce buffered commandsChristoph Hellwig1-7/+21
3w controller don't dma map small single SGL entry commands but instead bounce buffer them. Add a helper to identify these commands and don't call scsi_dma_unmap for them. Based on an earlier patch from James Bottomley. Fixes: 118c85 ("3w-9xxx: fix command completion race") Reported-by: Tóth Attila <[email protected]> Tested-by: Tóth Attila <[email protected]> Signed-off-by: Christoph Hellwig <[email protected]> Acked-by: Adam Radford <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-10-01scsi_dh: Use the correct module name when loading device handlerPaul Mackerras1-1/+1
This fixes a bug in recent kernels which results in failure to boot on systems that have multipath SCSI disks. I observed this failure on a POWER8 server where all the disks are multipath SCSI disks. The symptoms are several messages like this on the console: [ 3.018700] device-mapper: table: 253:0: multipath: error attaching hardware handler [ 3.018828] device-mapper: ioctl: error adding target to table and the system does not find its disks, and therefore fails to boot. Bisection revealed that the bug was introduced in commit 566079c849cf, "dm-mpath, scsi_dh: request scsi_dh modules in scsi_dh, not dm-mpath". The specific reason for the failure is that where we previously loaded the "scsi_dh_alua" module, we are now trying to load the "alua" module, which doesn't exist. To fix this, we change the request_module call in scsi_dh_lookup() to prepend "scsi_dh_" to the name, just like the old code in drivers/md/dm-mpath.c:parse_hw_handler() used to do. [jejb: also fixes issue spotted by Sasha Levin that formatting characters could be passed in via sysfs and cause issues with request_module()] Fixes: 566079c849cf Signed-off-by: Paul Mackerras <[email protected]> Cc: Sasha Levin <[email protected]> Reviewed-by: Hannes Reinecke <[email protected]> Reviewed-by: Christoph Hellwig <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-09-17libiscsi: Fix iscsi_check_transport_timeouts possible infinite loopAriel Nahum1-6/+11
Connection last_ping is not being updated when iscsi_send_nopout fails. Not updating the last_ping will cause firing a timer to a past time (last_ping + ping_tmo < current_time) which triggers an infinite loop of iscsi_check_transport_timeouts() and hogs the cpu. Fix this issue by checking the return value of iscsi_send_nopout. If it fails set the next_timeout to one second later. Signed-off-by: Ariel Nahum <[email protected]> Signed-off-by: Sagi Grimberg <[email protected]> Reviewed-by: Mike Christie <[email protected]> Signed-off-by: James Bottomley <[email protected]>
2015-09-12Linux 4.3-rc1Linus Torvalds1-2/+2
2015-09-12Merge tag 'cris-for-4.3' of ↵Linus Torvalds50-421/+220
git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris Pull CRIS updates from Jesper Nilsson: "Mostly removal of old cruft of which we can use a generic version, or fixes for code not commonly run in the cris port, but also additions to enable some good debug" * tag 'cris-for-4.3' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris: (25 commits) CRISv10: delete unused lib/dmacopy.c CRISv10: delete unused lib/old_checksum.c CRIS: fix switch_mm() lockdep splat CRISv32: enable LOCKDEP_SUPPORT CRIS: add STACKTRACE_SUPPORT CRISv32: annotate irq enable in idle loop CRISv32: add support for irqflags tracing CRIS: UAPI: use generic types.h CRIS: UAPI: use generic shmbuf.h CRIS: UAPI: use generic msgbuf.h CRIS: UAPI: use generic socket.h CRIS: UAPI: use generic sembuf.h CRIS: UAPI: use generic sockios.h CRIS: UAPI: use generic auxvec.h CRIS: UAPI: use generic headers via Kbuild CRIS: UAPI: fix elf.h export CRIS: don't make asm/elf.h depend on asm/user.h CRIS: UAPI: fix ptrace.h CRISv32: Squash compile warnings for axisflashmap CRISv32: Add GPIO driver to the default configs ...
2015-09-12blk: rq_data_dir() should not return a booleanLinus Torvalds1-1/+1
rq_data_dir() returns either READ or WRITE (0 == READ, 1 == WRITE), not a boolean value. Now, admittedly the "!= 0" doesn't really change the value (0 stays as zero, 1 stays as one), but it's not only redundant, it confuses gcc, and causes gcc to warn about the construct switch (rq_data_dir(req)) { case READ: ... case WRITE: ... that we have in a few drivers. Now, the gcc warning is silly and stupid (it seems to warn not about the switch value having a different type from the case statements, but about _any_ boolean switch value), but in this case the code itself is silly and stupid too, so let's just change it, and get rid of warnings like this: drivers/block/hd.c: In function ‘hd_request’: drivers/block/hd.c:630:11: warning: switch condition has boolean value [-Wswitch-bool] switch (rq_data_dir(req)) { The odd '!= 0' came in when "cmd_flags" got turned into a "u64" in commit 5953316dbf90 ("block: make rq->cmd_flags be 64-bit") and is presumably because the old code (that just did a logical 'and' with 1) would then end up making the type of rq_data_dir() be u64 too. But if we want to retain the old regular integer type, let's just cast the result to 'int' rather than use that rather odd '!= 0'. Signed-off-by: Linus Torvalds <[email protected]>
2015-09-12Merge branch 'writeback-plugging'Linus Torvalds1-3/+10
Fix up the writeback plugging introduced in commit d353d7587d02 ("writeback: plug writeback at a high level") that then caused problems due to the unplug happening with a spinlock held. * writeback-plugging: writeback: plug writeback in wb_writeback() and writeback_inodes_wb() Revert "writeback: plug writeback at a high level"
2015-09-12writeback: plug writeback in wb_writeback() and writeback_inodes_wb()Linus Torvalds1-0/+6
We had to revert the pluggin in writeback_sb_inodes() because the wb->list_lock is held, but we could easily plug at a higher level before taking that lock, and unplug after releasing it. This does that. Chris will run performance numbers, just to verify that this approach is comparable to the alternative (we could just drop and re-take the lock around the blk_finish_plug() rather than these two commits. I'd have preferred waiting for actual performance numbers before picking one approach over the other, but I don't want to release rc1 with the known "sleeping function called from invalid context" issue, so I'll pick this cleanup version for now. But if the numbers show that we really want to plug just at the writeback_sb_inodes() level, and we should just play ugly games with the spinlock, we'll switch to that. Cc: Chris Mason <[email protected]> Cc: Josef Bacik <[email protected]> Cc: Dave Chinner <[email protected]> Cc: Neil Brown <[email protected]> Cc: Jan Kara <[email protected]> Cc: Christoph Hellwig <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-09-11thermal: fix intel PCH thermal driver mismergeLinus Torvalds1-7/+4
I didn't notice this when merging the thermal code from Zhang, but his merge (commit 5a924a07f882: "Merge branches 'thermal-core' and 'thermal-intel' of .git into next") of the thermal-core and thermal-intel branches was wrong. In thermal-core, commit 17e8351a7739 ("thermal: consistently use int for temperatures") converted the thermal layer to use "int" for temperatures. But in parallel, in the thermal-intel branch commit d0a12625d2ff ("thermal: Add Intel PCH thermal driver") added support for the intel PCH thermal sensor using the old interfaces that used "unsigned long" pointers. This resulted in warnings like this: drivers/thermal/intel_pch_thermal.c:184:14: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] .get_temp = pch_thermal_get_temp, ^ drivers/thermal/intel_pch_thermal.c:184:14: note: (near initialization for ‘tzd_ops.get_temp’) drivers/thermal/intel_pch_thermal.c:186:19: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] .get_trip_temp = pch_get_trip_temp, ^ drivers/thermal/intel_pch_thermal.c:186:19: note: (near initialization for ‘tzd_ops.get_trip_temp’) This fixes it. Signed-off-by: Linus Torvalds <[email protected]>
2015-09-11Merge branch 'akpm' (patches from Andrew)Linus Torvalds22-54/+336
Merge fourth patch-bomb from Andrew Morton: - sys_membarier syscall - seq_file interface changes - a few misc fixups * emailed patches from Andrew Morton <[email protected]>: revert "ocfs2/dlm: use list_for_each_entry instead of list_for_each" mm/early_ioremap: add explicit #include of asm/early_ioremap.h fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void selftests: enhance membarrier syscall test selftests: add membarrier syscall test sys_membarrier(): system-wide memory barrier (generic, x86) MODSIGN: fix a compilation warning in extract-cert
2015-09-11ARCv2: [axs103_smp] Reduce clk for SMP FPGA configsVineet Gupta1-0/+2
Newer bitfiles needs the reduced clk even for SMP builds Cc: <[email protected]> #4.2 Signed-off-by: Vineet Gupta <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2015-09-11Merge tag 'ntb-4.3' of git://github.com/jonmason/ntbLinus Torvalds7-47/+210
Pull NTB fixes from Jon Mason: "NTB bug and documentation fixes, new device IDs, performance improvements, and adding a mailing list to MAINTAINERS for NTB" * tag 'ntb-4.3' of git://github.com/jonmason/ntb: NTB: Fix range check on memory window index NTB: Improve index handling in B2B MW workaround NTB: Fix documentation for ntb_peer_db_clear. NTB: Fix documentation for ntb_link_is_up NTB: Use unique DMA channels for TX and RX NTB: Remove dma_sync_wait from ntb_async_rx NTB: Clean up QP stats info NTB: Make the transport list in order of discovery NTB: Add PCI Device IDs for Broadwell Xeon NTB: Add flow control to the ntb_netdev NTB: Add list to MAINTAINERS
2015-09-11Merge branch 'for-linus' of ↵Linus Torvalds17-15/+1019
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull more input updates from Dmitry Torokhov: "Second round of updates for the input subsystem. This introduces two brand new touchscreen drivers (Colibri and imx6ul_tsc), some small driver fixes, and we are no longer report errors from evdev_flush() as users do not really have a way of handling errors, error codes that we were returning were not on the list of errors supposed to be returned by close(), and errors were causing issues with one of older versions of systemd" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: imx_keypad - remove obsolete comment Input: touchscreen - add imx6ul_tsc driver support Input: Add touchscreen support for Colibri VF50 Input: i8042 - lower log level for "no controller" message Input: evdev - do not report errors form flush() Input: elants_i2c - extend the calibration timeout to 12 seconds Input: sparcspkr - fix module autoload for OF platform drivers Input: regulator-haptic - fix module autoload for OF platform driver Input: pwm-beeper - fix module autoload for OF platform driver Input: ab8500-ponkey - Fix module autoload for OF platform driver Input: cyttsp - remove unnecessary MODULE_ALIAS() Input: elan_i2c - add ACPI ID "ELAN1000"
2015-09-11Merge tag 'pm+acpi-4.3-rc1-2' of ↵Linus Torvalds13-44/+187
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull more power management and ACPI updates from Rafael Wysocki: "These are mostly fixes and cleanups on top of the previous PM+ACPI pull request (cpufreq core and drivers, cpuidle, generic power domains framework). Some of them didn't make to that pull request and some fix issues introduced by it. The only really new thing is the support for suspend frequency in the cpufreq-dt driver, but it is needed to fix an issue with Exynos platforms. Specifics: - build fix for the new Mediatek MT8173 cpufreq driver (Guenter Roeck). - generic power domains framework fixes (power on error code path, subdomain removal) and cleanup of a deprecated API user (Geert Uytterhoeven, Jon Hunter, Ulf Hansson). - cpufreq-dt driver fixes including two fixes for bugs related to the new Operating Performance Points Device Tree bindings introduced recently (Viresh Kumar). - suspend frequency support for the cpufreq-dt driver (Bartlomiej Zolnierkiewicz, Viresh Kumar). - cpufreq core cleanups (Viresh Kumar). - intel_pstate driver fixes (Chen Yu, Kristen Carlson Accardi). - additional sanity check in the cpuidle core (Xunlei Pang). - fix for a comment related to CPU power management (Lina Iyer)" * tag 'pm+acpi-4.3-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: intel_pstate: fix PCT_TO_HWP macro intel_pstate: Fix user input of min/max to legal policy region PM / OPP: Return suspend_opp only if it is enabled cpufreq-dt: add suspend frequency support cpufreq: allow cpufreq_generic_suspend() to work without suspend frequency PM / OPP: add dev_pm_opp_get_suspend_opp() helper staging: board: Migrate away from __pm_genpd_name_add_device() cpufreq: Use __func__ to print function's name cpufreq: staticize cpufreq_cpu_get_raw() PM / Domains: Ensure subdomain is not in use before removing cpufreq: Add ARM_MT8173_CPUFREQ dependency on THERMAL cpuidle/coupled: Add sanity check for safe_state_index PM / Domains: Try power off masters in error path of __pm_genpd_poweron() cpufreq: dt: Tolerance applies on both sides of target voltage cpufreq: dt: Print error on failing to mark OPPs as shared cpufreq: dt: Check OPP count before marking them shared kernel/cpu_pm: fix cpu_cluster_pm_exit comment
2015-09-11Merge branch 'for-next' of ↵Linus Torvalds38-633/+675
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "Here are the outstanding target-pending updates for v4.3-rc1. Mostly bug-fixes and minor changes this round. The fallout from the big v4.2-rc1 RCU conversion have (thus far) been minimal. The highlights this round include: - Move sense handling routines into scsi_common code (Sagi) - Return ABORTED_COMMAND sense key for PI errors (Sagi) - Add tpg_enabled_sendtargets attribute for disabled iscsi-target discovery (David) - Shrink target struct se_cmd by rearranging fields (Roland) - Drop iSCSI use of mutex around max_cmd_sn increment (Roland) - Replace iSCSI __kernel_sockaddr_storage with sockaddr_storage (Andy + Chris) - Honor fabric max_data_sg_nents I/O transfer limit (Arun + Himanshu + nab) - Fix EXTENDED_COPY >= v4.1 regression OOPsen (Alex + nab)" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (37 commits) target: use stringify.h instead of own definition target/user: Fix UFLAG_UNKNOWN_OP handling target: Remove no-op conditional target/user: Remove unused variable target: Fix max_cmd_sn increment w/o cmdsn mutex regressions target: Attach EXTENDED_COPY local I/O descriptors to xcopy_pt_sess target/qla2xxx: Honor max_data_sg_nents I/O transfer limit target/iscsi: Replace __kernel_sockaddr_storage with sockaddr_storage target/iscsi: Replace conn->login_ip with login_sockaddr target/iscsi: Keep local_ip as the actual sockaddr target/iscsi: Fix np_ip bracket issue by removing np_ip target: Drop iSCSI use of mutex around max_cmd_sn increment qla2xxx: Update tcm_qla2xxx module description to 24xx+ iscsi-target: Add tpg_enabled_sendtargets for disabled discovery drivers: target: Drop unlikely before IS_ERR(_OR_NULL) target: check DPO/FUA usage for COMPARE AND WRITE target: Shrink struct se_cmd by rearranging fields target: Remove cmd->se_ordered_id (unused except debug log lines) target: add support for START_STOP_UNIT SCSI opcode target: improve unsupported opcode message ...
2015-09-11Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds39-1271/+1860
Pull second round of SCSI updates from James Bottomley: "There's one late arriving patch here (added today), fixing a build issue which the scsi_dh patch set in here uncovered. Other than that, everything has been incubated in -next and the checkers for a week. The major pieces of this patch are a set patches facilitating better integration between scsi and scsi_dh (the device handling layer used by multi-path; all the dm parts are acked by Mike Snitzer). This also includes driver updates for mp3sas, scsi_debug and an assortment of bug fixes" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (50 commits) scsi_dh: fix randconfig build error scsi: fix scsi_error_handler vs. scsi_host_dev_release race fcoe: Convert use of __constant_htons to htons mpt2sas: setpci reset kernel oops fix pm80xx: Don't override ts->stat on IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY lpfc: Fix possible use-after-free and double free in lpfc_mbx_cmpl_rdp_page_a2() bfa: Fix incorrect de-reference of pointer bfa: Fix indentation scsi_transport_sas: Remove check for SAS expander when querying bay/enclosure IDs. scsi_debug: resp_request: remove unused variable scsi_debug: fix REPORT LUNS Well Known LU scsi_debug: schedule_resp fix input variable check scsi_debug: make dump_sector static scsi_debug: vfree is null safe so drop the check scsi_debug: use SCSI_W_LUN_REPORT_LUNS instead of SAM2_WLUN_REPORT_LUNS; scsi_debug: define pr_fmt() for consistent logging mpt2sas: Refcount fw_events and fix unsafe list usage mpt2sas: Refcount sas_device objects and fix unsafe list usage scsi_dh: return SCSI_DH_NOTCONN in scsi_dh_activate() scsi_dh: don't allow to detach device handlers at runtime ...
2015-09-11Merge tag 'media/v4.3-2' of ↵Linus Torvalds16-608/+477
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media updates from Mauro Carvalho Chehab: "A series of patches that move part of the code used to allocate memory from the media subsystem to the mm subsystem" [ The mm parts have been acked by VM people, and the series was apparently in -mm for a while - Linus ] * tag 'media/v4.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: [media] drm/exynos: Convert g2d_userptr_get_dma_addr() to use get_vaddr_frames() [media] media: vb2: Remove unused functions [media] media: vb2: Convert vb2_dc_get_userptr() to use frame vector [media] media: vb2: Convert vb2_vmalloc_get_userptr() to use frame vector [media] media: vb2: Convert vb2_dma_sg_get_userptr() to use frame vector [media] vb2: Provide helpers for mapping virtual addresses [media] media: omap_vout: Convert omap_vout_uservirt_to_phys() to use get_vaddr_pfns() [media] mm: Provide new get_vaddr_frames() helper [media] vb2: Push mmap_sem down to memops
Powered by cgit, Gruvboxed by Blaster4385.