- 14 Feb, 2018 1 commit
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Bart Van Assche authored
Since commit 64d513ac ("scsi: use host wide tags by default") all SCSI requests have a tag, whether or not scsi-mq is enabled. Additionally, it is safe to use blk_mq_unique_tag() and blk_mq_unique_tag_to_hwq() for legacy SCSI queues. Since this means that the sdebug_mq_active variable is superfluous, remove it. Signed-off-by:
Bart Van Assche <bart.vanassche@wdc.com> Cc: Douglas Gilbert <dgilbert@interlog.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Acked-by:
Douglas Gilbert <dgilbert@interlog.com> Signed-off-by:
Martin K. Petersen <martin.petersen@oracle.com>
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- 12 Feb, 2018 25 commits
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Hannes Reinecke authored
Not a real RAID level, but some HBAs support JBOD in addition to the 'classical' RAID levels. Signed-off-by:
Hannes Reinecke <hare@suse.com> Signed-off-by:
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Bart Van Assche authored
Bring the kernel-doc headers in sync with the function argument lists. Signed-off-by:
Himanshu Madhani <himanshu.madhani@cavium.com> Signed-off-by:
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Bart Van Assche authored
This patch does not change any functionality but slightly reduces the size of the compiled kernel module. Signed-off-by:
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Bart Van Assche authored
Remove a few preprocessor macros that are not used anywhere. Signed-off-by:
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Bart Van Assche authored
Remove a few preprocessor macros that are not used anywhere. Signed-off-by:
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Bart Van Assche authored
Using %p instead of %lx to print a pointer allows to remove a cast. Signed-off-by:
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James Smart authored
Updated Copyright in files updated 11.4.0.7 Signed-off-by:
Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by:
James Smart <james.smart@broadcom.com> Signed-off-by:
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James Smart authored
Update the driver version to 11.4.0.7 Signed-off-by:
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James Smart authored
In a test that is doing large numbers of cable swaps on the target, the nvme controllers wouldn't reconnect. During the cable swaps, the targets n_port_id would change. This information was passed to the nvme-fc transport, in the new remoteport registration. However, the nvme-fc transport didn't update the n_port_id value in the remoteport struct when it reused an existing structure. Later, when a new association was attempted on the remoteport, the driver's NVME LS routine would use the stale n_port_id from the remoteport struct to address the LS. As the device is no longer at that address, the LS would go into never never land. Separately, the nvme-fc transport will be corrected to update the n_port_id value on a re-registration. However, for now, there's no reason to use the transports values. The private pointer points to the drivers node structure and the node structure is up to date. Therefore, revise the LS routine to use the drivers data structures for the LS. Augmented the debug message for better debugging in the future. Also removed a duplicate if check that seems to have slipped in. Signed-off-by:
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James Smart authored
Currently, write underruns (mismatch of amount transferred vs scsi status and its residual) detected by the adapter are not being flagged as an error. Its expected the target controls the data transfer and would appropriately set the RSP values. Only read underruns are treated as errors. Revise the SCSI error handling to treat write underruns as an error as well. Signed-off-by:
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James Smart authored
The driver was inappropriately pulling in the nvme host's nvme.h header. What it really needed was the standard <linux/nvme.h> header. Signed-off-by:
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James Smart authored
When using the special option to suppress the response iu, ensure the adapter fully supports the feature by checking feature flags from the adapter and validating the support when formatting the WQE. Signed-off-by:
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James Smart authored
During SCSI error handling escalation to host reset, the SCSI io routines were moved off the txcmplq, but the individual io's ON_CMPLQ flag wasn't cleared. Thus, a background thread saw the io and attempted to access it as if on the txcmplq. Clear the flag upon removal. Signed-off-by:
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James Smart authored
Revise the NVME PRLI to indicate CONF support. Signed-off-by:
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James Smart authored
The driver ignored checks on whether the link should be kept administratively down after a link bounce. Correct the checks. Signed-off-by:
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James Smart authored
During link bounce testing in a point-to-point topology, the host may enter a soft lockup on the lpfc_worker thread: Call Trace: lpfc_work_done+0x1f3/0x1390 [lpfc] lpfc_do_work+0x16f/0x180 [lpfc] kthread+0xc7/0xe0 ret_from_fork+0x3f/0x70 The driver was simultaneously setting a combination of flags that caused lpfc_do_work()to effectively spin between slow path work and new event data, causing the lockup. Ensure in the typical wq completions, that new event data flags are set if the slow path flag is running. The slow path will eventually reschedule the wq handling. Signed-off-by: -
James Smart authored
Make the attribute writeable. Remove the ramp up to logic as its unnecessary, simply set depth. Add debug message if depth changed, possibly reducing limit, yet our outstanding count has yet to catch up with it. Signed-off-by:
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James Smart authored
When nvme target deferred receive logic waits for exchange resources, the corresponding receive buffer is not replenished with the hardware. This can result in a lack of asynchronous receive buffer resources in the hardware, resulting in a "2885 Port Status Event: ... error 1=0x52004a01 ..." message. Correct by replenishing the buffer whenenver the deferred logic kicks in. Update corresponding debug messages and statistics as well. [mkp: applied by hand] Signed-off-by:
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James Smart authored
A stress test repeatedly resetting the adapter while performing io would eventually report I/O failures and missing nvme namespaces. The driver was setting the nvmefc_fcp_req->private pointer to NULL during the IO completion routine before upcalling done(). If the transport was also running an abort for that IO, the driver would fail the abort with message 6140. Failing the abort is not allowed by the nvme-fc transport, as it mandates that the io must be returned back to the transport. As that does not happen, the transport controller delete has an outstanding reference and can't complete teardown. The NULL-ing of the private pointer should be done only when the io is considered complete. It's complete when the adapter returns the exchange with the "exchange busy" flag clear. Move the NULL'ing of the structure to the done case. This leaves the io contexts set while it is busy and until the subsequent XRI_ABORTED completion which returns the exchange is received. Signed-off-by:
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James Smart authored
The lpfc driver does not discover a target when the topology changes from switched-fabric to direct-connect. The target rejects the PRLI from the initiator in direct-connect as the driver is using the old S_ID from the switched topology. The driver was inappropriately clearing the VP bit to register the VPI, which is what is associated with the S_ID. Fix by leaving the VP bit set (it was set earlier) and as the VFI is being re-registered, set the UPDT bit. Signed-off-by:
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James Smart authored
I/O conditions on the nvme target may have the driver submitting to a full hardware wq. The hardware wq is a shared resource among all nvme controllers. When the driver hit a full wq, it failed the io posting back to the nvme-fc transport, which then escalated it into errors. Correct by maintaining a sideband queue within the driver that is added to when the WQ full condition is hit, and drained from as soon as new WQ space opens up. Signed-off-by:
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James Smart authored
Existing code was using the wrong field for the completion status when comparing whether to increment abort statistics Signed-off-by:
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James Smart authored
Ensure nvme localports/targetports are torn down before dismantling the adapter sli interface on driver detachment. This aids leaving interfaces live while nvme may be making callbacks to abort it. Signed-off-by:
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James Smart authored
Increased CQ and WQ sizes for SCSI FCP, matching those used for NVMe development. Signed-off-by:
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James Smart authored
The driver controls when the hardware sends completions that communicate consumption of elements from the WQ. This is done by setting a WQEC bit on a WQE. The current driver sets it on every Nth WQE posting. However, the driver isn't clearing the bit if the WQE is reused. Thus, if the queue depth isn't evenly divisible by N, with enough time, it can be set on every element, creating a lot of overhead and risking CQ full conditions. Correct by clearing the bit when not setting it on an Nth element. Signed-off-by:
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- 11 Feb, 2018 9 commits
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Linus Torvalds authored
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Al Viro authored
except, again, POLLFREE and POLL_BUSY_LOOP. With this, we finally get to the promised end result: - POLL{IN,OUT,...} are plain integers and *not* in __poll_t, so any stray instances of ->poll() still using those will be caught by sparse. - eventpoll.c and select.c warning-free wrt __poll_t - no more kernel-side definitions of POLL... - userland ones are visible through the entire kernel (and used pretty much only for mangle/demangle) - same behavior as after the first series (i.e. sparc et.al. epoll(2) working correctly). Signed-off-by:Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Linus Torvalds authored
This is the mindless scripted replacement of kernel use of POLL* variables as described by Al, done by this script: for V in IN OUT PRI ERR RDNORM RDBAND WRNORM WRBAND HUP RDHUP NVAL MSG; do L=`git grep -l -w POLL$V | grep -v '^t' | grep -v /um/ | grep -v '^sa' | grep -v '/poll.h$'|grep -v '^D'` for f in $L; do sed -i "-es/^\([^\"]*\)\(\<POLL$V\>\)/\\1E\\2/" $f; done done with de-mangling cleanups yet to come. NOTE! On almost all architectures, the EPOLL* constants have the same values as the POLL* constants do. But they keyword here is "almost". For various bad reasons they aren't the same, and epoll() doesn't actually work quite correctly in some cases due to this on Sparc et al. The next patch from Al will sort out the final differences, and we should be all done. Scripted-by: -
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfsLinus Torvalds authored
Pull more poll annotation updates from Al Viro: "This is preparation to solving the problems you've mentioned in the original poll series. After this series, the kernel is ready for running for V in IN OUT PRI ERR RDNORM RDBAND WRNORM WRBAND HUP RDHUP NVAL MSG; do L=`git grep -l -w POLL$V | grep -v '^t' | grep -v /um/ | grep -v '^sa' | grep -v '/poll.h$'|grep -v '^D'` for f in $L; do sed -i "-es/^\([^\"]*\)\(\<POLL$V\>\)/\\1E\\2/" $f; done done as a for bulk search-and-replace. After that, the kernel is ready to apply the patch to unify {de,}mangle_poll(), and then get rid of kernel-side POLL... uses entirely, and we should be all done with that stuff. Basically, that's what you suggested wrt KPOLL..., except that we can use EPOLL... instead - they already are arch-independent (and equal to what is currently kernel-side POLL...). After the preparations (in this series) switch to returning EPOLL... from ->poll() instances is completely mechanical and kernel-side POLL... can go away. The last step (killing kernel-side POLL... and unifying {de,}mangle_poll() has to be done after the search-and-replace job, since we need userland-side POLL... for unified {de,}mangle_poll(), thus the cherry-pick at the last step. After that we will have: - POLL{IN,OUT,...} *not* in __poll_t, so any stray instances of ->poll() still using those will be caught by sparse. - eventpoll.c and select.c warning-free wrt __poll_t - no more kernel-side definitions of POLL... - userland ones are visible through the entire kernel (and used pretty much only for mangle/demangle) - same behavior as after the first series (i.e. sparc et.al. epoll(2) working correctly)" * 'work.poll2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: annotate ep_scan_ready_list() ep_send_events_proc(): return result via esed->res preparation to switching ->poll() to returning EPOLL... add EPOLLNVAL, annotate EPOLL... and event_poll->event use linux/poll.h instead of asm/poll.h xen: fix poll misannotation smc: missing poll annotations -
git://github.com/jcmvbkbc/linux-xtensaLinus Torvalds authored
Pull xtense fix from Max Filippov: "Build fix for xtensa architecture with KASAN enabled" * tag 'xtensa-20180211' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: fix build with KASAN
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git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2Linus Torvalds authored
Pull nios2 update from Ley Foon Tan: - clean up old Kconfig options from defconfig - remove leading 0x and 0s from bindings notation in dts files * tag 'nios2-v4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/lftan/nios2: nios2: defconfig: Cleanup from old Kconfig options nios2: dts: Remove leading 0x and 0s from bindings notation
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Max Filippov authored
The commit 917538e2 ("kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage") removed KASAN_SHADOW_SCALE_SHIFT definition from include/linux/kasan.h and added it to architecture-specific headers, except for xtensa. This broke the xtensa build with KASAN enabled. Define KASAN_SHADOW_SCALE_SHIFT in arch/xtensa/include/asm/kasan.h Reported by: kbuild test robot <fengguang.wu@intel.com> Fixes: 917538e2 ("kasan: clean up KASAN_SHADOW_SCALE_SHIFT usage") Acked-by:
Andrey Konovalov <andreyknvl@google.com> Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com>
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Krzysztof Kozlowski authored
Remove old, dead Kconfig option INET_LRO. It is gone since commit 7bbf3cae ("ipv4: Remove inet_lro library"). Signed-off-by:
Krzysztof Kozlowski <krzk@kernel.org> Acked-by:
Ley Foon Tan <ley.foon.tan@intel.com>
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Mathieu Malaterre authored
Improve the DTS files by removing all the leading "0x" and zeros to fix the following dtc warnings: Warning (unit_address_format): Node /XXX unit name should not have leading "0x" and Warning (unit_address_format): Node /XXX unit name should not have leading 0s Converted using the following command: find . -type f \( -iname *.dts -o -iname *.dtsi \) -exec sed -E -i -e "s/@0x([0-9a-fA-F\.]+)\s?\{/@\L\1 \{/g" -e "s/@0+([0-9a-fA-F\.]+)\s?\{/@\L\1 \{/g" {} + For simplicity, two sed expressions were used to solve each warnings separately. To make the regex expression more robust a few other issues were resolved, namely setting unit-address to lower case, and adding a whitespace before the the opening curly brace: https://elinux.org/Device_Tree_Linux#Linux_conventions This is a follow up to commit 4c9847b7 ("dt-bindings: Remove leading 0x from bindings notation") Reported-by:David Daney <ddaney@caviumnetworks.com> Suggested-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Mathieu Malaterre <malat@debian.org> Acked-by:
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- 10 Feb, 2018 5 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pciLinus Torvalds authored
Pull PCI fix from Bjorn Helgaas: "Fix a POWER9/powernv INTx regression from the merge window (Alexey Kardashevskiy)" * tag 'pci-v4.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: powerpc/pci: Fix broken INTx configuration via OF
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block fixes from Jens Axboe: "A few fixes to round off the merge window on the block side: - a set of bcache fixes by way of Michael Lyle, from the usual bcache suspects. - add a simple-to-hook-into function for bpf EIO error injection. - fix blk-wbt that mischarectized flushes as reads. Improve the logic so that flushes and writes are accounted as writes, and only reads as reads. From me. - fix requeue crash in BFQ, from Paolo" * tag 'for-linus-20180210' of git://git.kernel.dk/linux-block: block, bfq: add requeue-request hook bcache: fix for data collapse after re-attaching an attached device bcache: return attach error when no cache set exist bcache: set writeback_rate_update_seconds in range [1, 60] seconds bcache: fix for allocator and register thread race bcache: set error_limit correctly bcache: properly set task state in bch_writeback_thread() bcache: fix high CPU occupancy during journal bcache: add journal statistic block: Add should_fail_bio() for bpf error injection blk-wbt: account flush requests correctly -
git://github.com/dvhart/linux-pdx86Linus Torvalds authored
Pull x86 platform driver updates from Darren Hart: "Mellanox fixes and new system type support. Mostly data for new system types with a correction and an uninitialized variable fix" [ Pulling from github because git.infradead.org currently seems to be down for some reason, but Darren had a backup location - Linus ] * tag 'platform-drivers-x86-v4.16-3' of git://github.com/dvhart/linux-pdx86: platform/x86: mlx-platform: Add support for new 200G IB and Ethernet systems platform/x86: mlx-platform: Add support for new msn201x system type platform/x86: mlx-platform: Add support for new msn274x system type platform/x86: mlx-platform: Fix power cable setting for msn21xx family platform/x86: mlx-platform: Add define for the negative bus platform/x86: mlx-platform: Use defines for bus assignment platform/mellanox: mlxreg-hotplug: Fix uninitialized variable
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Linus Torvalds authored
Merge tag 'chrome-platform-for-linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform Pull chrome platform updates from Benson Leung: - move cros_ec_dev to drivers/mfd - other small maintenance fixes [ The cros_ec_dev movement came in earlier through the MFD tree - Linus ] * tag 'chrome-platform-for-linus-4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/bleung/chrome-platform: platform/chrome: Use proper protocol transfer function platform/chrome: cros_ec_lpc: Add support for Google Glimmer platform/chrome: cros_ec_lpc: Register the driver if ACPI entry is missing. platform/chrome: cros_ec_lpc: remove redundant pointer request cros_ec: fix nul-termination for firmware build info platform/chrome: chromeos_laptop: make chromeos_laptop const
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM updates from Radim Krčmář: "ARM: - icache invalidation optimizations, improving VM startup time - support for forwarded level-triggered interrupts, improving performance for timers and passthrough platform devices - a small fix for power-management notifiers, and some cosmetic changes PPC: - add MMIO emulation for vector loads and stores - allow HPT guests to run on a radix host on POWER9 v2.2 CPUs without requiring the complex thread synchronization of older CPU versions - improve the handling of escalation interrupts with the XIVE interrupt controller - support decrement register migration - various cleanups and bugfixes. s390: - Cornelia Huck passed maintainership to Janosch Frank - exitless interrupts for emulated devices - cleanup of cpuflag handling - kvm_stat counter improvements - VSIE improvements - mm cleanup x86: - hypervisor part of SEV - UMIP, RDPID, and MSR_SMI_COUNT emulation - paravirtualized TLB shootdown using the new KVM_VCPU_PREEMPTED bit - allow guests to see TOPOEXT, GFNI, VAES, VPCLMULQDQ, and more AVX512 features - show vcpu id in its anonymous inode name - many fixes and cleanups - per-VCPU MSR bitmaps (already merged through x86/pti branch) - stable KVM clock when nesting on Hyper-V (merged through x86/hyperv)" * tag 'kvm-4.16-1' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (197 commits) KVM: PPC: Book3S: Add MMIO emulation for VMX instructions KVM: PPC: Book3S HV: Branch inside feature section KVM: PPC: Book3S HV: Make HPT resizing work on POWER9 KVM: PPC: Book3S HV: Fix handling of secondary HPTEG in HPT resizing code KVM: PPC: Book3S PR: Fix broken select due to misspelling KVM: x86: don't forget vcpu_put() in kvm_arch_vcpu_ioctl_set_sregs() KVM: PPC: Book3S PR: Fix svcpu copying with preemption enabled KVM: PPC: Book3S HV: Drop locks before reading guest memory kvm: x86: remove efer_reload entry in kvm_vcpu_stat KVM: x86: AMD Processor Topology Information x86/kvm/vmx: do not use vm-exit instruction length for fast MMIO when running nested kvm: embed vcpu id to dentry of vcpu anon inode kvm: Map PFN-type memory regions as writable (if possible) x86/kvm: Make it compile on 32bit and with HYPYERVISOR_GUEST=n KVM: arm/arm64: Fixup userspace irqchip static key optimization KVM: arm/arm64: Fix userspace_irqchip_in_use counting KVM: arm/arm64: Fix incorrect timer_is_pending logic MAINTAINERS: update KVM/s390 maintainers MAINTAINERS: add Halil as additional vfio-ccw maintainer MAINTAINERS: add David as a reviewer for KVM/s390 ...
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