- 26 Apr, 2018 10 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull ACPI fixes from Rafael Wysocki: "These are two watchdog-related fixes, fix for a backlight regression from the 4.16 cycle that unfortunately was propagated to -stable and a button module modification to prevent graphics driver modules from failing to load due to unmet dependencies if ACPI is disabled from the kernel command line. Specifics: - Change the ACPI subsystem initialization ordering to initialize the WDAT watchodg before reserving PNP motherboard resources so as to allow the watchdog to allocate its resources before the PNP code gets to them and prevents it from working correctly (Mika Westerberg). - Add a quirk for Lenovo Z50-70 to use the iTCO watchdog instead of the WDAT one which conflicts with the RTC on that platform (Mika Westerberg). - Avoid breaking backlight handling on Dell XPS 13 2013 model by allowing laptops to use the ACPI backlight by default even if they are Windows 8-ready in principle (Hans de Goede)" * tag 'acpi-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / video: Only default only_lcd to true on Win8-ready _desktops_ ACPI / button: make module loadable when booted in non-ACPI mode ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70 ACPI / scan: Initialize watchdog before PNP
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pmLinus Torvalds authored
Pull power management fixes from Rafael Wysocki: "These are a Low Power S0 Idle quirk, a hibernation handling fix for the PCI bus type and a brcmstb-avs-cpufreq driver fixup removing development debug code from it. Specifics: - Blacklist the Low Power S0 Idle _DSM on ThinkPad X1 Tablet(2016) where it causes issues and make it use ACPI S3 which works instead of the non-working suspend-to-idle by default (Chen Yu). - Fix the handling of hibernation in the PCI core for devices with the DPM_FLAG_SMART_SUSPEND flag set to fix a regression affecting intel-lpss I2C devices (Mika Westerberg). - Drop development debug code from the brcmstb-avs-cpufreq driver (Markus Mayer)" * tag 'pm-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: cpufreq: brcmstb-avs-cpufreq: remove development debug support PCI / PM: Do not clear state_saved in pci_pm_freeze() when smart suspend is set ACPI / PM: Blacklist Low Power S0 Idle _DSM for ThinkPad X1 Tablet(2016)
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git://git.kernel.org/pub/scm/linux/kernel/git/tytso/randomLinus Torvalds authored
Pull /dev/random fixes from Ted Ts'o: "Fix a regression on NUMA kernels and suppress excess unseeded entropy pool warnings" * tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random: random: rate limit unseeded randomness warnings random: fix possible sleeping allocation from irq context
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linuxLinus Torvalds authored
Pull s390 fixes from Martin Schwidefsky: "A couple of bug fixes: - correct some CPU-MF counter names for z13 and z14 - correct locking in the vfio-ccw fsm_io_helper function - provide arch_uretprobe_is_alive to avoid sigsegv with uretprobes - fix a corner case with CPU-MF sampling in regard to execve - fix expoline code revert for loadable modules - update chpid descriptor for resource accessibility events - fix dasd I/O errors due to outdated device alias infomation" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: correct module section names for expoline code revert vfio: ccw: process ssch with interrupts disabled s390: update sampling tag after task pid change s390/cpum_cf: rename IBM z13/z14 counter names s390/dasd: fix IO error for newly defined devices s390/uprobes: implement arch_uretprobe_is_alive() s390/cio: update chpid descriptor after resource accessibility event
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Rafael J. Wysocki authored
* acpi-watchdog: ACPI / watchdog: Prefer iTCO_wdt on Lenovo Z50-70 * acpi-button: ACPI / button: make module loadable when booted in non-ACPI mode * acpi-video: ACPI / video: Only default only_lcd to true on Win8-ready _desktops_
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Rafael J. Wysocki authored
* acpi-pm: ACPI / PM: Blacklist Low Power S0 Idle _DSM for ThinkPad X1 Tablet(2016) * pm-cpufreq: cpufreq: brcmstb-avs-cpufreq: remove development debug support
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git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fsLinus Torvalds authored
Pull fsnotify fix from Jan Kara: "A fix of a fsnotify race causing panics / softlockups" * tag 'for_v4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: fsnotify: Fix fsnotify_mark_connector race
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds authored
Pull SCSI fixes from James Bottomley: "Eight bug fixes, one spelling update and one tracepoint addition. The most serious is probably the mptsas write same fix because it means anyone using these controllers sees errors when modern filesystems try to issue discards" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: target: fix crash with iscsi target and dvd scsi: sd_zbc: Avoid that resetting a zone fails sporadically scsi: sd: Defer spinning up drive while SANITIZE is in progress scsi: megaraid_sas: Do not log an error if FW successfully initializes. scsi: ufs: add trace event for ufs upiu scsi: core: remove reference to scsi_show_extd_sense() scsi: mptsas: Disable WRITE SAME scsi: fnic: fix spelling mistake in fnic stats "Abord" -> "Abort" scsi: scsi_debug: IMMED related delay adjustments scsi: iscsi: respond to netlink with unicast when appropriate
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git://git.kernel.dk/linux-blockLinus Torvalds authored
Pull block updates from Jens Axboe: "I ended up sitting on this about a week longer than I wanted to, since we were hashing out details with a timeout change. I've now killed that patch, so we can flush the existing queue in due time. This contains: - Fix for an old regression, where entering the queue can be disturbed by a signal to the process. This can cause spurious EIO. Fix from Alan Jenkins. - cdrom information leak fix from Dan. - Trivial helper for testing queue FUA from Dave Chinner, part of his O_DIRECT FUA series. - Series of swim fixes from Finn that actually makes it work again. - Loop O_DIRECT corruption fix, which caused data corruption in production for us. From me. - BFQ crash fix from me. - bcache maintainer update. Michael no longer has the time to do it, Coly has stepped up to serve as the new maintainer. - blkcg locking fixes from Jiang Biao. - Revert of a change from this merge window from Ming, that causes an issue on some hardware. - Minor clarification doc addition from Linus Walleij" * tag 'for-linus-20180425' of git://git.kernel.dk/linux-block: (22 commits) Revert "blk-mq: remove code for dealing with remapping queue" block: mq: Add some minor doc for core structs bcache: mark Coly Li as bcache maintainer MAINTAINERS: Remove me as maintainer of bcache blkcg: init root blkcg_gq under lock blkcg: small fix on comment in blkcg_init_queue blkcg: don't hold blkcg lock when deactivating policy block: add blk_queue_fua() helper function cdrom: information leak in cdrom_ioctl_media_changed() bfq-iosched: ensure to clear bic/bfqq pointers when preparing request blk-mq: start request gstate with gen 1 block/swim: Select appropriate drive on device open block/swim: Fix IO error at end of medium block/swim: Check drive type block/swim: Rename macros to avoid inconsistent inverted logic block/swim: Don't log an error message for an invalid ioctl block/swim: Remove extra put_disk() call from error path block/swim: Fix array bounds check m68k/mac: Don't remap SWIM MMIO region loop: handle short DIO reads ...
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Linus Torvalds authored
Merge tag 'riscv-for-linus-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux Pull RISC-V fixes from Palmer Dabbelt: "This contains three small fixes related to the RISC-V port that I'd like to target for 4.17-rc3: - a Kconfig cleanup to select DMA_DIRECT_OPS instead of redefining it in arch/riscv - the removal of asm/handle_irq.h, which doesn't exist, from our arch header list - the addition of "-no-pie" the link rules for our VDSO-related files, which fixes the build on systems where PIE is enabled by default" * tag 'riscv-for-linus-4.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: RISC-V: build vdso-dummy.o with -no-pie riscv: there is no <asm/handle_irq.h> riscv: select DMA_DIRECT_OPS instead of redefining it
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- 25 Apr, 2018 7 commits
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git://git.infradead.org/users/hch/dma-mappingLinus Torvalds authored
Pull dma-mapping fixes from Christoph Hellwig: "A few small dma-mapping fixes for Linux 4.17-rc3: - don't loop to try GFP_DMA allocations if ZONE_DMA is not actually enabled (regression in 4.16) - don't try to do virt_to_page before we know we actuall have a valid page in dma_common_mmap - a comment fixup related to the above fix" * tag 'dma-mapping-4.17-3' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: postpone cpu addr translation on mmap dma-coherent: clarify dma_mmap_from_dev_coherent documentation dma-direct: don't retry allocation for no-op GFP_DMA
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Ming Lei authored
This reverts commit 37c7c6c7. Turns out some drivers(most are FC drivers) may not use managed IRQ affinity, and has their customized .map_queues meantime, so still keep this code for avoiding regression. Reported-by: Laurence Oberman <loberman@redhat.com> Tested-by: Laurence Oberman <loberman@redhat.com> Tested-by: Christian Borntraeger <borntraeger@de.ibm.com> Tested-by: Stefan Haberland <sth@linux.vnet.ibm.com> Cc: Ewan Milne <emilne@redhat.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Linus Walleij authored
As it came up in discussion on the mailing list that the semantic meaning of 'blk_mq_ctx' and 'blk_mq_hw_ctx' isn't completely obvious to everyone, let's add some minimal kerneldoc for a starter. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Jens Axboe authored
Since Michael had to step back, Coly has agreed to be the new maintainer. Mark him as such. Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Michael Lyle authored
Too much to do with other projects. I've enjoyed working with everyone here, and hope to occasionally contribute on bcache. Signed-off-by: Michael Lyle <mlyle@lyle.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Theodore Ts'o authored
On systems without sufficient boot randomness, no point spamming dmesg. Signed-off-by: Theodore Ts'o <tytso@mit.edu> Cc: stable@vger.kernel.org
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Linus Torvalds authored
Merge branch 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull userns bug fix from Eric Biederman: "Just a small fix to properly set the return code on error" * 'userns-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: commoncap: Handle memory allocation failure.
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- 24 Apr, 2018 23 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: 1) Fix rtnl deadlock in ipvs, from Julian Anastasov. 2) s390 qeth fixes from Julian Wiedmann (control IO completion stalls, bad MAC address update sequence, request side races on command IO timeouts). 3) Handle seq_file overflow properly in l2tp, from Guillaume Nault. 4) Fix VLAN priority mappings in cpsw driver, from Ivan Khoronzhuk. 5) Packet scheduler ife action fixes (malformed TLV lengths, etc.) from Alexander Aring. 6) Fix out of bounds access in tcp md5 option parser, from Jann Horn. 7) Missing netlink attribute policies in rtm_ipv6_policy table, from Eric Dumazet. 8) Missing socket address length checks in l2tp and pppoe connect, from Guillaume Nault. 9) Fix netconsole over team and bonding, from Xin Long. 10) Fix race with AF_PACKET socket state bitfields, from Willem de Bruijn. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (51 commits) ice: Fix insufficient memory issue in ice_aq_manage_mac_read sfc: ARFS filter IDs net: ethtool: Add missing kernel doc for FEC parameters packet: fix bitfield update race ice: Do not check INTEVENT bit for OICR interrupts ice: Fix incorrect comment for action type ice: Fix initialization for num_nodes_added igb: Fix the transmission mode of queue 0 for Qav mode ixgbevf: ensure xdp_ring resources are free'd on error exit team: fix netconsole setup over team amd-xgbe: Only use the SFP supported transceiver signals amd-xgbe: Improve KR auto-negotiation and training amd-xgbe: Add pre/post auto-negotiation phy hooks pppoe: check sockaddr length in pppoe_connect() l2tp: check sockaddr length in pppol2tp_connect() net: phy: marvell: clear wol event before setting it ipv6: add RTA_TABLE and RTA_PREFSRC to rtm_ipv6_policy bonding: do not set slave_dev npinfo before slave_enable_netpoll in bond_enslave tcp: don't read out-of-bounds opsize ibmvnic: Clean actual number of RX or TX pools ...
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Hans de Goede authored
Commit 5928c281 (ACPI / video: Default lcd_only to true on Win8-ready and newer machines) made only_lcd default to true on all machines where acpi_osi_is_win8() returns true, including laptops. The purpose of this is to avoid the bogus / non-working acpi backlight interface which many newer BIOS-es define on desktop machines. But this is causing a regression on some laptops, specifically on the Dell XPS 13 2013 model, which does not have the LCD flag set for its fully functional ACPI backlight interface. Rather then DMI quirking our way out of this, this commits changes the logic for setting only_lcd to true, to only do this on machines with a desktop (or server) dmi chassis-type. Note that we cannot simply only check the chassis-type and not register the backlight interface based on that as there are some laptops and tablets which have their chassis-type set to "3" aka desktop. Hopefully the combination of checking the LCD flag, but only on devices with a desktop(ish) chassis-type will avoid the needs for DMI quirks for this, or at least limit the amount of DMI quirks which we need to a minimum. Fixes: 5928c281 (ACPI / video: Default lcd_only to true on Win8-ready and newer machines) Reported-and-tested-by: James Hogan <jhogan@kernel.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: 4.15+ <stable@vger.kernel.org> # 4.15+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queueDavid S. Miller authored
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2018-04-24 This series contains fixes to ixgbevf, igb and ice drivers. Colin Ian King fixes the return value on error for the new XDP support that went into ixgbevf for 4.17. Vinicius provides a fix for queue 0 for igb, which was not receiving all the credits it needed when QAV mode was enabled. Anirudh provides several fixes for the new ice driver, starting with properly initializing num_nodes_added to zero. Fixed up a code comment to better reflect what is really going on in the code. Fixed how to detect if an OICR interrupt has occurred to a more reliable method. Md Fahad fixes the ice driver to allocate the right amount of memory when reading and storing the devices MAC addresses. The device can have up to 2 MAC addresses (LAN and WoL), while WoL is currently not supported, we need to ensure it can be properly handled when support is added. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Md Fahad Iqbal Polash authored
For the MAC read operation, the device can return up to two (LAN and WoL) MAC addresses. Without access to adequate memory, the device will return an error. Fixed this by allocating the right amount of memory. Also, logic to detect and copy the LAN MAC address into the port_info structure has been added. Note that the WoL MAC address is ignored currently as the WoL feature isn't supported yet. Fixes: dc49c772 ("ice: Get MAC/PHY/link info and scheduler topology") Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Aurelien Jarno authored
Debian toolcahin defaults to PIE, and I guess that will also be the case of most distributions. This causes the following build failure: AS arch/riscv/kernel/vdso/getcpu.o AS arch/riscv/kernel/vdso/flush_icache.o VDSOLD arch/riscv/kernel/vdso/vdso.so.dbg OBJCOPY arch/riscv/kernel/vdso/vdso.so AS arch/riscv/kernel/vdso/vdso.o VDSOLD arch/riscv/kernel/vdso/vdso-dummy.o LD arch/riscv/kernel/vdso/vdso-syms.o riscv64-linux-gnu-ld: attempted static link of dynamic object `arch/riscv/kernel/vdso/vdso-dummy.o' make[2]: *** [arch/riscv/kernel/vdso/Makefile:43: arch/riscv/kernel/vdso/vdso-syms.o] Error 1 make[1]: *** [scripts/Makefile.build:575: arch/riscv/kernel/vdso] Error 2 make: *** [Makefile:1018: arch/riscv/kernel] Error 2 While the root Makefile correctly passes "-fno-PIE" to build individual object files, the RISC-V kernel also builds vdso-dummy.o as an executable, which is therefore linked as PIE. Fix that by updating this specific link rule to also include "-no-pie". Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Christoph Hellwig authored
So don't list it as generic-y. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Christoph Hellwig authored
DMA_DIRECT_OPS is defined in lib/Kconfig, so don't duplicate it in arch/riscv/Kconfig. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
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Edward Cree authored
Associate an arbitrary ID with each ARFS filter, allowing to properly query for expiry. The association is maintained in a hash table, which is protected by a spinlock. v3: fix build warnings when CONFIG_RFS_ACCEL is disabled (thanks lkp-robot). v2: fixed uninitialised variable (thanks davem and lkp-robot). Fixes: 3af0f342 ("sfc: replace asynchronous filter operations") Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Florian Fainelli authored
While adding support for ethtool::get_fecparam and set_fecparam, kernel doc for these functions was missed, add those. Fixes: 1a5f3da2 ("net: ethtool: add support for forward error correction modes") Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Willem de Bruijn authored
Updates to the bitfields in struct packet_sock are not atomic. Serialize these read-modify-write cycles. Move po->running into a separate variable. Its writes are protected by po->bind_lock (except for one startup case at packet_create). Also replace a textual precondition warning with lockdep annotation. All others are set only in packet_setsockopt. Serialize these updates by holding the socket lock. Analogous to other field updates, also hold the lock when testing whether a ring is active (pg_vec). Fixes: 8dc41944 ("[PACKET]: Add optional checksum computation for recvmsg") Reported-by: DaeRyong Jeong <threeearcat@gmail.com> Reported-by: Byoungyoung Lee <byoungyoung@purdue.edu> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ben Shelton authored
According to the hardware spec, checking the INTEVENT bit isn't a reliable way to detect if an OICR interrupt has occurred. This is because this bit can be cleared by the hardware/firmware before the interrupt service routine has run. So instead, just check for OICR events every time. Fixes: 940b61af ("ice: Initialize PF and setup miscellaneous interrupt") Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com> Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Theodore Ts'o authored
We can do a sleeping allocation from an irq context when CONFIG_NUMA is enabled. Fix this by initializing the NUMA crng instances in a workqueue. Reported-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reported-by: syzbot+9de458f6a5e713ee8c1a@syzkaller.appspotmail.com Fixes: 8ef35c86 ("random: set up the NUMA crng instances...") Cc: stable@vger.kernel.org Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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Anirudh Venkataramanan authored
Action type 5 defines large action generic values. Fix comment to reflect that better. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Anirudh Venkataramanan authored
ice_sched_add_nodes_to_layer is used recursively, and so we start with num_nodes_added being 0. This way, in case of an error or if num_nodes is NULL, the function just returns 0 to indicate that no nodes were added. Fixes: 5513b920 ("ice: Update Tx scheduler tree for VSI multi-Tx queue support") Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Tested-by: Tony Brelinski <tonyx.brelinski@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Vinicius Costa Gomes authored
When Qav mode is enabled, queue 0 should be kept on Stream Reservation mode. From the i210 datasheet, section 8.12.19: "Note: Queue0 QueueMode must be set to 1b when TransmitMode is set to Qav." ("QueueMode 1b" represents the Stream Reservation mode) The solution is to give queue 0 the all the credits it might need, so it has priority over queue 1. A situation where this can happen is when cbs is "installed" only on queue 1, leaving queue 0 alone. For example: $ tc qdisc replace dev enp2s0 handle 100: parent root mqprio num_tc 3 \ map 2 2 1 0 2 2 2 2 2 2 2 2 2 2 2 2 queues 1@0 1@1 2@2 hw 0 $ tc qdisc replace dev enp2s0 parent 100:2 cbs locredit -1470 \ hicredit 30 sendslope -980000 idleslope 20000 offload 1 Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Colin Ian King authored
The current error handling for failed resource setup for xdp_ring data is a break out of the loop and returning 0 indicated everything was OK, when in fact it is not. Fix this by exiting via the error exit label err_setup_tx that will clean up the resources correctly and return and error status. Detected by CoverityScan, CID#1466879 ("Logically dead code") Fixes: 21092e9c ("ixgbevf: Add support for XDP_TX action") Signed-off-by: Colin Ian King <colin.king@canonical.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Xin Long authored
The same fix in Commit dbe17307 ("bridge: fix netconsole setup over bridge") is also needed for team driver. While at it, remove the unnecessary parameter *team from team_port_enable_netpoll(). v1->v2: - fix it in a better way, as does bridge. Fixes: 0fb52a27 ("team: cleanup netpoll clode") Reported-by: João Avelino Bellomo Filho <jbellomo@redhat.com> Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Ard Biesheuvel authored
Modules such as nouveau.ko and i915.ko have a link time dependency on acpi_lid_open(), and due to its use of acpi_bus_register_driver(), the button.ko module that provides it is only loadable when booted in ACPI mode. However, the ACPI button driver can be built into the core kernel as well, in which case the dependency can always be satisfied, and the dependent modules can be loaded regardless of whether the system was booted in ACPI mode or not. So let's fix this asymmetry by making the ACPI button driver loadable as a module even if not booted in ACPI mode, so it can provide the acpi_lid_open() symbol in the same way as when built into the kernel. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> [ rjw: Minor adjustments of comments, whitespace and names. ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Markus Mayer authored
This debug code was helpful while developing the driver, but it isn't being used for anything anymore. Signed-off-by: Markus Mayer <mmayer@broadcom.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Mika Westerberg authored
WDAT table on Lenovo Z50-70 is using RTC SRAM (ports 0x70 and 0x71) to store state of the timer. This conflicts with Linux RTC driver (rtc-cmos.c) who fails to reserve those ports for itself preventing RTC from functioning. In addition the WDAT table seems not to be fully functional because it does not reset the system when the watchdog times out. On this system iTCO_wdt works just fine so we simply prefer to use it instead of WDAT. This makes RTC working again and also results working watchdog via iTCO_wdt. Reported-by: Peter Milley <pbmilley@gmail.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=199033Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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David S. Miller authored
aTom Lendacky says: ==================== amd-xgbe: AMD XGBE driver fixes 2018-04-23 This patch series addresses some issues in the AMD XGBE driver. The following fixes are included in this driver update series: - Improve KR auto-negotiation and training (2 patches) - Add pre and post auto-negotiation hooks - Use the pre and post auto-negotiation hooks to disable CDR tracking during auto-negotiation page exchange in KR mode - Check for SFP tranceiver signal support and only use the signal if the SFP indicates that it is supported This patch series is based on net. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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Tom Lendacky authored
The SFP eeprom indicates the transceiver signals (Rx LOS, Tx Fault, etc.) that it supports. Update the driver to include checking the eeprom data when deciding whether to use a transceiver signal. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Tom Lendacky authored
Update xgbe-phy-v2.c to make use of the auto-negotiation (AN) phy hooks to improve the ability to successfully complete Clause 73 AN when running at 10gbps. Hardware can sometimes have issues with CDR lock when the AN DME page exchange is being performed. The AN and KR training hooks are used as follows: - The pre AN hook is used to disable CDR tracking in the PHY so that the DME page exchange can be successfully and consistently completed. - The post KR training hook is used to re-enable the CDR tracking so that KR training can successfully complete. - The post AN hook is used to check for an unsuccessful AN which will increase a CDR tracking enablement delay (up to a maximum value). Add two debugfs entries to allow control over use of the CDR tracking workaround. The debugfs entries allow the CDR tracking workaround to be disabled and determine whether to re-enable CDR tracking before or after link training has been initiated. Also, with these changes the receiver reset cycle that is performed during the link status check can be performed less often. Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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