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2018-12-06Merge tag 'scsi-fixes' of ↵Linus Torvalds5-37/+39
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Four obvious bug fixes. The vmw_pscsi is so old that it's amazing no-one noticed before now" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: storvsc: Fix a race in sub-channel creation that can cause panic scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during unload scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_reset scsi: lpfc: fix block guard enablement on SLI3 adapters
2018-12-04Merge tag 'v4.20-rc5' into for-4.21/blockJens Axboe4-2/+25
Pull in v4.20-rc5, solving a conflict we'll otherwise get in aio.c and also getting the merge fix that went into mainline that users are hitting testing for-4.21/block and/or for-next. * tag 'v4.20-rc5': (664 commits) Linux 4.20-rc5 PCI: Fix incorrect value returned from pcie_get_speed_cap() MAINTAINERS: Update linux-mips mailing list address ocfs2: fix potential use after free mm/khugepaged: fix the xas_create_range() error path mm/khugepaged: collapse_shmem() do not crash on Compound mm/khugepaged: collapse_shmem() without freezing new_page mm/khugepaged: minor reorderings in collapse_shmem() mm/khugepaged: collapse_shmem() remember to clear holes mm/khugepaged: fix crashes due to misaccounted holes mm/khugepaged: collapse_shmem() stop if punched or truncated mm/huge_memory: fix lockdep complaint on 32-bit i_size_read() mm/huge_memory: splitting set mapping+index before unfreeze mm/huge_memory: rename freeze_page() to unmap_page() initramfs: clean old path before creating a hardlink kernel/kcov.c: mark funcs in __sanitizer_cov_trace_pc() as notrace psi: make disabling/enabling easier for vendor kernels proc: fixup map_files test on arm debugobjects: avoid recursive calls with kmemleak userfaultfd: shmem: UFFDIO_COPY: set the page dirty if VM_WRITE is not set ...
2018-11-29scsi: xen-scsifront: mark expected switch fall-throughGustavo A. R. Silva1-1/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that, in this particular case, I replaced "Missed the backend's Closing state -- fallthrough" with "fall through - Missed the backend's Closing state", which contains the "fall through" annotation at the beginnig of the code comment, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: megaraid_sas_fusion: Mark expected switch fall-throughGustavo A. R. Silva1-1/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that, in this particular case, I replaced "Fall thru" with a "Fall through" annotation and added a dash as a token in order to separate the "Fall through" annotation from the rest of the comment on the same line, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: megaraid: megaraid_sas_base: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: libfc: fc_rport: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: hpsa: mark expected switch fall-throughsGustavo A. R. Silva1-0/+5
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Addresses-Coverity-ID: 1195463 ("Missing break in switch") Addresses-Coverity-ID: 1195464 ("Missing break in switch") Addresses-Coverity-ID: 1195465 ("Missing break in switch") Addresses-Coverity-ID: 1195466 ("Missing break in switch") Addresses-Coverity-ID: 1357338 ("Missing break in switch") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: aacraid: Mark expected switch fall-throughGustavo A. R. Silva1-0/+1
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: aacraid: Mark expected switch fall-throughsGustavo A. R. Silva1-1/+4
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Also, a break statement is properly aligned. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qla2xxx: Introduce a switch/case statement in qlt_xmit_tm_rsp()Bart Van Assche1-7/+7
This patch improves code readability but does not change any functionality. Cc: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: mpt3sas: fix spelling mistake "manufaucturing" -> "manufacturing"Colin Ian King1-1/+1
There is a spelling mistake in some description text, fix it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: ufs: add fall through annotationTomas Winkler1-0/+3
Add /* fallthrough */ annotation, to eliminate compilation warning: warning: this statement may fall through [-Wimplicit-fallthrough=] Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Reviewed-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: storvsc: Fix a race in sub-channel creation that can cause panicDexuan Cui1-31/+30
We can concurrently try to open the same sub-channel from 2 paths: path #1: vmbus_onoffer() -> vmbus_process_offer() -> handle_sc_creation(). path #2: storvsc_probe() -> storvsc_connect_to_vsp() -> -> storvsc_channel_init() -> handle_multichannel_storage() -> -> vmbus_are_subchannels_present() -> handle_sc_creation(). They conflict with each other, but it was not an issue before the recent commit ae6935ed7d42 ("vmbus: split ring buffer allocation from open"), because at the beginning of vmbus_open() we checked newchannel->state so only one path could succeed, and the other would return with -EINVAL. After ae6935ed7d42, the failing path frees the channel's ringbuffer by vmbus_free_ring(), and this causes a panic later. Commit ae6935ed7d42 itself is good, and it just reveals the longstanding race. We can resolve the issue by removing path #2, i.e. removing the second vmbus_are_subchannels_present() in handle_multichannel_storage(). BTW, the comment "Check to see if sub-channels have already been created" in handle_multichannel_storage() is incorrect: when we unload the driver, we first close the sub-channel(s) and then close the primary channel, next the host sends rescind-offer message(s) so primary->sc_list will become empty. This means the first vmbus_are_subchannels_present() in handle_multichannel_storage() is never useful. Fixes: ae6935ed7d42 ("vmbus: split ring buffer allocation from open") Cc: stable@vger.kernel.org Cc: Long Li <longli@microsoft.com> Cc: Stephen Hemminger <sthemmin@microsoft.com> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Haiyang Zhang <haiyangz@microsoft.com> Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Update driver version to 8.33.0.21Nilesh Javali1-2/+2
Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Move LL2 producer index processing in BH.Manish Rangankar1-12/+19
1. Removed logic to update HW producer index in interrupt context. 2. Update HW producer index after UIO ring and buffer gets initialized. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: add module param to set ping packet sizeNilesh Javali2-5/+9
Default packet size is 0x400. For jumbo packets set to 0x2400. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Add packet filter in light L2 Rx path.Manish Rangankar1-0/+24
Add packet filter to avoid unnecessary packet processing in iscsiuio. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Check for session online before getting iSCSI TLV data.Manish Rangankar1-0/+3
The kernel panic was observed after switch side perturbation, BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff8132b5a0>] strcmp+0x20/0x40 PGD 0 Oops: 0000 [#1] SMP CPU: 8 PID: 647 Comm: kworker/8:1 Tainted: G W OE ------------ 3.10.0-693.el7.x86_64 #1 Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 06/20/2018 Workqueue: slowpath-13:00. qed_slowpath_task [qed] task: ffff880429eb8fd0 ti: ffff880429190000 task.ti: ffff880429190000 RIP: 0010:[<ffffffff8132b5a0>] [<ffffffff8132b5a0>] strcmp+0x20/0x40 RSP: 0018:ffff880429193c68 EFLAGS: 00010202 RAX: 000000000000000a RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88042bda7a41 RBP: ffff880429193c68 R08: 000000000000ffff R09: 000000000000ffff R10: 0000000000000007 R11: ffff88042b3af338 R12: ffff880420b007a0 R13: ffff88081aa56af8 R14: 0000000000000001 R15: ffff88081aa50410 FS: 0000000000000000(0000) GS:ffff88042fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000019f2000 CR4: 00000000003407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff880429193d20 ffffffffc02a0c90 ffffc90004b32000 ffff8803fd3ec600 ffff88042bda7800 ffff88042bda7a00 ffff88042bda7840 ffff88042bda7a40 0000000129193d10 2e3836312e323931 ff000a342e363232 ffffffffc01ad99d Call Trace: [<ffffffffc02a0c90>] qedi_get_protocol_tlv_data+0x270/0x470 [qedi] [<ffffffffc01ad99d>] ? qed_mfw_process_tlv_req+0x24d/0xbf0 [qed] [<ffffffffc01653ae>] qed_mfw_fill_tlv_data+0x5e/0xd0 [qed] [<ffffffffc01ad9b9>] qed_mfw_process_tlv_req+0x269/0xbf0 [qed] Fix kernel NULL pointer deref by checking for session is online before getting iSCSI TLV data. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Allocate IRQs based on msix_cntNilesh Javali1-1/+1
The driver load on some systems failed with error, [0004:01:00.5]:[qedi_request_msix_irq:2524]:8: request_irq failed. Allocate the IRQs based on MSIX count obtained from qed module instead of number of queues. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Replace PAGE_SIZE with QEDI_PAGE_SIZENilesh Javali1-7/+9
Use QEDI_PAGE_SIZE for enablement of module on systems with 64K page size. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Fix spelling mistake "OUSTANDING" -> "OUTSTANDING"Nilesh Javali2-3/+3
Fix trivial spelling mistake within macro definition. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: qedi: Cleanup redundant QEDI_PAGE_SIZE macro definitionNilesh Javali1-2/+0
Remove redundant macro definition. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: vmw_pscsi: Rearrange code to avoid multiple calls to free_irq during ↵Cathy Avery1-2/+2
unload Currently pvscsi_remove calls free_irq more than once as pvscsi_release_resources and __pvscsi_shutdown both call pvscsi_shutdown_intr. This results in a 'Trying to free already-free IRQ' warning and stack trace. To solve the problem pvscsi_shutdown_intr has been moved out of pvscsi_release_resources. Signed-off-by: Cathy Avery <cavery@redhat.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: target: replace fabric_ops.name with fabric_aliasDavid Disseldorp2-3/+0
iscsi_target_mod is the only LIO fabric where fabric_ops.name differs from the fabric_ops.fabric_name string. fabric_ops.name is used when matching target/$fabric ConfigFS create paths, so rename it .fabric_alias and fallback to target/$fabric vs .fabric_name comparison if .fabric_alias isn't initialised. iscsi_target_mod is the only fabric module to set .fabric_alias . All other fabric modules rely on .fabric_name matching and can drop the duplicate string. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: target: drop unnecessary get_fabric_name() accessor from fabric_opsDavid Disseldorp2-18/+3
All fabrics return a const string. In all cases *except* iSCSI the get_fabric_name() string matches fabric_ops.name. Both fabric_ops.get_fabric_name() and fabric_ops.name are user-facing, with the former being used for PR/ALUA state and the latter for ConfigFS (config/target/$name), so we unfortunately need to keep both strings around for now. Replace the useless .get_fabric_name() accessor function with a const string fabric_name member variable. Signed-off-by: David Disseldorp <ddiss@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-29scsi: libiscsi: Fix NULL pointer dereference in iscsi_eh_session_resetFred Herard1-2/+2
This commit addresses NULL pointer dereference in iscsi_eh_session_reset. Reference should not be made to session->leadconn when session->state is set to ISCSI_STATE_TERMINATE. Signed-off-by: Fred Herard <fred.herard@oracle.com> Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-28scsi: lpfc: fix block guard enablement on SLI3 adaptersMartin Wilck2-2/+5
Since f44ac12f1dcc, BG enablement is tracked with the LPFC_SLI3_BG_ENABLED bit, which is set in lpfc_get_cfgparam before lpfc_sli_config_sli_port() is called. The bit shouldn't be cleared before checking the feature. Based on problem analysis by David Bond. Fixes: f44ac12f1dcc "scsi: lpfc: Memory allocation error during driver start-up on power8" Tested-by: David Bond <dbond@suse.com> Signed-off-by: Martin Wilck <mwilck@suse.com> Cc: stable@vger.kernel.org # 4.17.x Cc: stable@vger.kernel.org # 4.18.x Cc: stable@vger.kernel.org # 4.19.x Reviewed-by: Hannes Reinecke <hare@suse.com> Acked-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-26scsi: Do not rely on blk-mq for double completionsKeith Busch2-12/+23
The scsi timeout error handling had been directly updating the block layer's request state to prevent a error handling and a natural completion from completing the same request twice. Fix this layering violation by having scsi control the fate of its commands with scsi owned flags rather than use blk-mq's. Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller4-2/+25
2018-11-23cxgb4: use new fw interface to get the VIN and smt indexSantosh Rastapur1-2/+1
If the fw supports returning VIN/VIVLD in FW_VI_CMD save it in port_info structure else retrieve these from viid and save them in port_info structure. Do the same for smt_idx from FW_VI_MAC_CMD Signed-off-by: Santosh Rastapur <santosh@chelsio.com> Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-22Merge tag 'scsi-fixes' of ↵Linus Torvalds4-2/+25
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Two small fixes. The qla2xxx is a regression from 4.18 and the ufs one is a device enablement fix" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: ufs: Fix hynix ufs bug with quirk on hi36xx SoC scsi: qla2xxx: Timeouts occur on surprise removal of QLogic adapter
2018-11-22scsi: lpfc: Use dma_zalloc_coherentSabyasachi Gupta1-2/+1
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent. Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@gmail.com> Acked-by: James Smart <james.smart@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: bnx2i: remove set but not used variable 'cid_num'YueHaibing1-2/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/bnx2i/bnx2i_hwi.c: In function 'bnx2i_process_ofld_cmpl': drivers/scsi/bnx2i/bnx2i_hwi.c:2430:6: warning: variable 'cid_num' set but not used [-Wunused-but-set-variable] It never used since commit cf4e6363859d ("[SCSI] bnx2i: Add bnx2i iSCSI driver.") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Acked-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: aha1542: convert to DMA mapping APIChristoph Hellwig1-35/+91
aha1542 is one of the last users of the legacy isa_*_to_bus APIs, which also isn't portable enough. Convert it to the proper DMA mapping API. Thanks to Ondrej Zary for testing and finding and fixing a crucial bug. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: megaraid_sas: Add support for MegaRAID Aero controllersShivasharan S2-0/+19
This patch adds support for MegaRAID Aero controller PCI IDs. Print a message when a configurable secure type controller is encountered. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: mpt3sas: Display message on Configurable secure HBASreekanth Reddy1-3/+4
Display following warning message only upon detection of configurable secure type controllers. "HBA is in Configurable Secure mode" [mkp: typos] Signed-off-by: Sreekanth Reddy <sreekanth.reddy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: libfc: Remove set but not used variable 'disc'Yue Haibing1-2/+0
Fixes gcc '-Wunused-but-set-variable' warning: drivers/scsi/libfc/fc_rport.c: In function 'fc_rport_recv_flogi_req': drivers/scsi/libfc/fc_rport.c:866:18: warning: variable 'disc' set but not used [-Wunused-but-set-variable] It no used any more after commit baa6719f902a ("libfc: Update rport reference counting") Signed-off-by: Yue Haibing <yuehaibing@huawei.com> Reviewed-by: Johannes Thumshirn <jth@kernel.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: cxgb4i: fix thermal configuration dependenciesArnd Bergmann1-2/+2
I fixed a bug by adding a dependency in the network driver, but that fix caused a related bug in the SCSI driver: WARNING: unmet direct dependencies detected for CHELSIO_T4 Depends on [m]: NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_CHELSIO [=y] && PCI [=y] && (IPV6 [=y] || IPV6 [=y]=n) && (THERMAL [=m] || !THERMAL [=m]) Selected by [y]: - SCSI_CXGB4_ISCSI [=y] && SCSI_LOWLEVEL [=y] && SCSI [=y] && PCI [=y] && INET [=y] && (IPV6 [=y] || IPV6 [=y]=n) drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_init': cxgb4_thermal.c:(.text+0x158): undefined reference to `thermal_zone_device_register' drivers/net/ethernet/chelsio/cxgb4/cxgb4_thermal.o: In function `cxgb4_thermal_remove': cxgb4_thermal.c:(.text+0x1d8): undefined reference to `thermal_zone_device_unregister' /git/arm-soc/Makefile:1042: recipe for target 'vmlinux' failed The same dependency needs to be propagated here to make it work correctly with CONFIG_THERMAL=m and SCSI_CXGB4_ISCSI=y. That change by itself causes another problem with a circular dependency, as we use 'select NETDEVICES'. This is something we really should not do anyway, as a driver symbol should never select another major subsystem, so let's turn that into a 'depends on'. I don't see any downsides of that, as NETDEVICES is only disabled in rather obscure cases that are not relevant to the users of cxgb4i. Fixes: e70a57fa59bb ("cxgb4: fix thermal configuration dependencies") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-22scsi: aic94xx: Use dma_pool_zallocSouptick Joarder1-2/+1
Replaced dma_pool_alloc + memset with dma_pool_zalloc. Signed-off-by: Brajeswar Ghosh <brajeswar.linux@gmail.com> Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-19nvme-fc: remove ->poll implementationJens Axboe1-12/+0
It's specifically looking for a given request, which we will not be supporting going forward. Also kill the qla2xxx poll implementation as that's the only user of the nvme-fc poll, and the now unused ->poll_queue() hook. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-19Merge tag 'v4.20-rc3' into for-4.21/blockJens Axboe12-15/+23
Merge in -rc3 to resolve a few conflicts, but also to get a few important fixes that have gone into mainline since the block 4.21 branch was forked off (most notably the SCSI queue issue, which is both a conflict AND needed fix). Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-11-16Merge tag 'for-linus-20181115' of git://git.kernel.dk/linux-blockLinus Torvalds1-0/+8
Pull block fixes from Jens Axboe: - Discard loop fix, caused by integer overflow (Dave) - Blacklist of Samsung drive that hangs with power management (Diego) - Copy bio priority when cloning it (Hannes) - Fix race condition exposed in floppy (me) - Fix SCSI queue cleanup regression. While elusive, it caused oopses in queue running (Ming) - Fix bad string copy in kyber tracing (Omar) * tag 'for-linus-20181115' of git://git.kernel.dk/linux-block: SCSI: fix queue cleanup race before queue initialization is done block: fix 32 bit overflow in __blkdev_issue_discard() libata: blacklist SAMSUNG MZ7TD256HAFV-000L9 SSD block: copy ioprio in __bio_clone_fast() and bounce kyber: fix wrong strlcpy() size in trace_kyber_latency() floppy: fix race condition in __floppy_read_block_0()
2018-11-15scsi: libsas: Remove pcidev referenceJohn Garry1-1/+1
Not all host drivers are PCI drivers - like hisi_sas, which supports a platform driver - so remove reference to "pcidev". Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: libsas: Drop SAS_DPRINTK() and revise logs levelsJohn Garry9-236/+207
Like sas_printk() did previously, SAS_DPRINTK() offers little value now that libsas logs already have the "sas" prefix through pr_fmt(fmt). So it can be dropped. However, after reviewing some logs in libsas, it is noticed that debug level is too low in many instances. So this change drops SAS_DPRINTK() and revises some logs to a more appropriate level. However many stay at debug level, although some are significantly promoted. We add -DDEBUG for compilation so that we keep the debug messages by default, as before. All the pre-existing checkpatch errors for spanning messages across multiple lines are also fixed. Finally, all other references to printk() [apart from special formatting in sas_ata.c] are removed and replaced with appropriate pr_xxx(). Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: libsas: Drop sas_printk()John Garry4-20/+16
The printk wrapper sas_printk() adds little value now that libsas logs already have the "sas" prefix through pr_fmt(fmt), so just use pr_notice() directly. In addition, strings which span multiple lines are reunited. Originally-from: Joe Perches <joe@perches.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: libsas: Use pr_fmt(fmt)John Garry3-3/+15
In preparation for dropping the libsas printk wrappers, use pr_fmt(fmt) declaration to add the framework log prefix - "sas". Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: libsas: Delete sas_dump.{c, h}John Garry4-94/+0
The code in these files is not longer referenced, so delete them. Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: hisi_sas: change the time of SAS SSP connectionXiang Chen1-1/+1
Currently the time of SAS SSP connection is 1ms, which means the link connection will fail if no IO response after this period. For some disks handling large IO (such as 512k), 1ms is not enough, so change it to 5ms. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: hisi_sas: Relocate some codes to avoid an unused checkXiang Chen1-21/+23
In function hisi_sas_task_prep(), we check asd_sas_port, but in function hisi_sas_task_exec(), we already refer to asd_sas_port by using function dev_to_hisi_hba() implicitly. So to avoid this possible invalid dereference, relocate the check to function hisi_sas_task_prep(). Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-11-15scsi: hisi_sas: Add support for interrupt coalescing for v3 hwXiang Chen2-0/+102
If INT_COAL_EN is enabled, configure time and count of interrupt coalescing. Then if CQ collects count of CQ entries in time, it will report the interrupt. Or if CQ doesn't collect enough CQ entries in time, it will report the interrupt at timeout. As all the registers are not supported to be changed dynamically, we need to config those register between disable and enable PHYs. Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com> Signed-off-by: John Garry <john.garry@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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