- 29 May, 2018 34 commits
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Lijun Ou authored
When register a RoCE client with hnae3vf device, it needs to judge the device whether support RoCE vf function. Otherwise, it will lead to calltrace when RoCE is not support vf function and remove roce device. The calltrace as follows: [ 93.156614] Unable to handle kernel NULL pointer dereference at virtual address 00000015 <SNIP> [ 93.278784] Call trace: [ 93.278788] hnae3_match_n_instantiate+0x24/0xd8 [hnae3] [ 93.278790] hnae3_register_client+0xcc/0x150 [hnae3] [ 93.278801] hns_roce_hw_v2_init+0x18/0x1000 [hns_roce_hw_v2] [ 93.278805] do_one_initcall+0x58/0x160 [ 93.278807] do_init_module+0x64/0x1d8 [ 93.278809] load_module+0x135c/0x15c8 [ 93.278811] SyS_finit_module+0x100/0x118 [ 93.278816] __sys_trace_return+0x0/0x4 [ 93.278827] Code: aa0003f5 12001c56 aa1e03e0 d503201f (b9402660) Fixes: e2cb1dec ("net: hns3: Add HNS3 VF HCL(Hardware Compatibility Layer) Support") Reported-by:
Xinwei Kong <kong.kongxinwei@hisilicon.com> Reported-by:
Zhou Wang <wangzhou1@hisilicon.com> Signed-off-by:
Lijun Ou <oulijun@huawei.com> Signed-off-by:
Salil Mehta <salil.mehta@huawei.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jian Shen authored
Firmware now supports control of all leds. Existing HNS3 driver code only supported led locate command over SFP Fibre ports. But now it is also supported over copper port. This patch removes existing not needed code for the led locate command and updates the led control command between driver and firmware. Signed-off-by:
Jian Shen <shenjian15@huawei.com> Signed-off-by:
Peng Li <lipeng321@huawei.com> Signed-off-by:
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Jian Shen authored
In the previous implementation of led control for fibre port , parses the port speed configuration, checks the link status and traffic status per second, and updates the blink status of link led, traffic led and speed led. Now, the firmware takes responsibility to handle the led, the dirver just needs to deal with locate command. So the codes for link led, traffic led and speed led are useless now. This patch removes these redundant codes. Signed-off-by:
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Fuyun Liang authored
When we down the port, some packets are left in TX/RX buffer. When we up the port again, these old packets are forwarded to protocol stack or are sent to internet. It will make some problem. TX/RX buffer should be cleared when stopping port. This patch adds some function to ensure the buffer is clean when port is started. We should clear the rings when clients are being un-initialized as well. Fixes: 76ad4f0e ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by:
Fuyun Liang <liangfuyun1@huawei.com> Signed-off-by:
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Fuyun Liang authored
Our code will ensure that hns3_clear_tx_ring is not used to cleared RX rings and hns3_clear_rx_ring is not used to cleared TX rings. So the ring type check is unnecessary. Fixes: 76ad4f0e ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by:
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Fuyun Liang authored
RX Buffer Descriptor contains a VALID bit which indicates if the BD is valid and has some data. This field is set by HNS3 hardware to intimate the driver of some valid data present in the BD. nd should be reset by the driver when BD is being used again. In the existing code this bit was not being (re-)initialized properly and hence was causing problems. Fixes: 76ad4f0e ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC") Signed-off-by:
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Peng Li authored
HNAE3 module supports kernel nic driver, user nic driver and roce driver, and there are 3 client types. Driver uses one bit(HNAE3_CLIENT_INITED_B) to indicate the client initialization state, it will cause confusion for 3 client types. This patch fixes it by use 3 bits to indicate the initialization state. Fixes: 38caee9d ("net: hns3: Add support of the HNAE3 framework") Signed-off-by:
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Xi Wang authored
Before the firmware updates the crq's tail pointer, if the PF driver reads the data in the crq, the data may be incomplete at this time, which will lead to the driver read an unknown message. This patch fixes it by checking if crq is not empty before reading the message. Fixes: c1a81619 ("net: hns3: Add mailbox interrupt handling to PF driver") Signed-off-by:
Xi Wang <wangxi11@huawei.com> Signed-off-by:
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Peng Li authored
HCLGE_PROMISC_TX_EN_B and HCLGE_PROMISC_RX_EN_B are not supported on pdev revision(0x20), new revision(0x21) supports them. Signed-off-by:
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Peng Li authored
Hardware Revision(0x21) Buffer Descriptor adds a field STRP_TAGP for vlan stripped processed indication. STRP_TAGP field has 2 bits, bit 0 is stripped indication of the vlan tag in outer vlan tag field, bit 1 is stripped indication of the vlan tag in inner vlan tag field. For each bit, 0 indicates the tag is not stripped and 1 indicates the tag is stripped. This patch adds STRP_TAGP support for revision(0x21), and does not change the revision(0x20) action. Signed-off-by:
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Peng Li authored
HNS3 Hardware can support up to two VLAN tags in transmit leg, the PPP module can handle the packets based on the tag1 and tag2 config. This patch adds support for tag2 config for vlan handling Signed-off-by:
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Peng Li authored
In the latest revision of the hardware, if a packet is spanning across multiple BDs then only VLD bit and current data size info is valid in each BD, and rest of the information is only valid in the last BD of the packet. In such case we should make sure we are fetching RX packet size from the first descriptor and information like VLAN should be fetched from last BD. Signed-off-by:
Yisen Zhuang <yisen.zhuang@huawei.com> Signed-off-by:
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Paolo Abeni authored
The struct Qdisc has a lot of holes, especially after commit a53851e2 ("net: sched: explicit locking in gso_cpu fallback"), which as a side effect, moved the fields just after 'busylock' on a new cacheline. Since both 'padded' and 'refcnt' are not updated frequently, and there is a hole before 'gso_skb', we can move such fields there, saving a cacheline without any performance side effect. Before this commit: pahole -C Qdisc net/sche/sch_generic.o # ... /* size: 384, cachelines: 6, members: 25 */ /* sum members: 236, holes: 3, sum holes: 92 */ /* padding: 56 */ After this commit: pahole -C Qdisc net/sche/sch_generic.o # ... /* size: 320, cachelines: 5, members: 25 */ /* sum members: 236, holes: 2, sum holes: 28 */ /* padding: 56 */ Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
Jiri Pirko <jiri@mellanox.com> Signed-off-by:
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Bjørn Mork authored
SIMCOM are reusing a single device ID for many (all of their?) different modems, based on different chipsets and firmwares. Newer Qualcomm chipset generations require setting DTR to wake the QMI function. The SIM7600E modem is using such a chipset, making it fail to work with this driver despite the device ID match. Fix by unconditionally enabling the SET_DTR quirk for all SIMCOM modems using this specific device ID. This is similar to what we already have done for another case of device IDs recycled over multiple chipset generations: 14cf4a77 ("drivers: net: usb: qmi_wwan: add QMI_QUIRK_SET_DTR for Telit PID 0x1201") Initial testing on an older SIM7100 modem shows no immediate side effects. Reported-by:
Sebastian Sjoholm <sebastian.sjoholm@gmail.com> Cc: Reinhard Speyerer <rspmn@arcor.de> Signed-off-by:
Bjørn Mork <bjorn@mork.no> Signed-off-by:
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David S. Miller authored
Christophe Roullier says: ==================== net: ethernet: stmmac: add support for stm32mp1 Patches to have Ethernet support on stm32mp1 ==================== Signed-off-by: -
Christophe Roullier authored
This patch describes syscon DT bindings. Signed-off-by:
Christophe Roullier <christophe.roullier@st.com> Reviewed-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Christophe Roullier authored
Manage dwmac-4.20a version from synopsys Signed-off-by:
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Christophe Roullier authored
Add description for Ethernet MPU families fields Signed-off-by:
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Christophe Roullier authored
Glue codes to support stm32mp157c device and stay compatible with stm32 mcu familly Signed-off-by:
Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by:
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Yangbo Lu authored
This patch is to add a documentation for ptp_qoriq dt-bindings. The description for ptp_qoriq dt-bindings was actually moved from Documentation/devicetree/bindings/net/fsl-tsec-phy.txt, since gianfar_ptp driver was moved to ptp_qoriq driver. Signed-off-by:
Yangbo Lu <yangbo.lu@nxp.com> Signed-off-by:
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Yangbo Lu authored
Global variable gfar_phc_index was used to get and store phc index through gianfar_ptp driver. However gianfar_ptp had been renamed as ptp_qoriq for QorIQ common PTP driver. This gfar_phc_index doesn't work any more, and the phc index is stored in drvdata now. This patch is to support getting phc index through ptp_qoriq drvdata. Signed-off-by:
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Yangbo Lu authored
This patch is to move some definitions in ptp_qoriq.c to the header file. Signed-off-by:
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Yangbo Lu authored
gianfar_ptp was the PTP clock driver for 1588 timer module of Freescale QorIQ eTSEC (Enhanced Three-Speed Ethernet Controllers) platforms. Actually QorIQ DPAA (Data Path Acceleration Architecture) platforms is also using the same 1588 timer module in hardware. This patch is to rework gianfar_ptp as QorIQ common PTP driver to support both DPAA and eTSEC. Moved gianfar_ptp.c to drivers/ptp/, renamed it as ptp_qoriq.c, and renamed many variables. There were not any function changes. Signed-off-by:
Richard Cochran <richardcochran@gmail.com> Signed-off-by:
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Jon Maxwell authored
Fixup the checksum for CHECKSUM_COMPLETE when pulling skbs on RX path. Otherwise we get splats when tc mirred is used to redirect packets to ifb. Before fix: nic: hw csum failure Signed-off-by:
Jon Maxwell <jmaxwell37@gmail.com> Signed-off-by:
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Heiner Kallweit authored
Add RTL8211B suspend / resume callbacks. Signed-off-by:
Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by:
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David S. Miller authored
Sridhar Samudrala says: ==================== Enable virtio_net to act as a standby for a passthru device The main motivation for this patch is to enable cloud service providers to provide an accelerated datapath to virtio-net enabled VMs in a transparent manner with no/minimal guest userspace changes. This also enables hypervisor controlled live migration to be supported with VMs that have direct attached SR-IOV VF devices. Patch 1 introduces a failover module that provides a generic interface for paravirtual drivers to listen for netdev register/unregister/link change events from pci ethernet devices with the same MAC and takeover their datapath. The notifier and event handling code is based on the existing netvsc implementation. Patch 2 refactors netvsc to use the registration/notification framework introduced by failover module. Patch 3 introduces a net_failover driver that provides an automated failover mechanism to paravirtual drivers via APIs to create and destroy a failover master netdev and mananges a primary and standby slave netdevs that get registered via the generic failover infrastructure. Patch 4 introduces a new feature bit VIRTIO_NET_F_STANDBY to virtio-net that can be used by hypervisor to indicate that virtio_net interface should act as a standby for another device with the same MAC address. Patch 5 extends virtio_net to use alternate datapath when available and registered. When STANDBY feature is enabled, virtio_net driver uese the net_failover API to create an additional 'failover' netdev that acts as a master device and controls 2 slave devices. The original virtio_net netdev is registered as 'standby' netdev and a passthru/vf device with the same MAC gets registered as 'primary' netdev. Both 'standby' and 'failover' netdevs are associated with the same 'pci' device. The user accesses the network interface via 'failover' netdev. The 'failover' netdev chooses 'primary' netdev as default for transmits when it is available with link up and running. As this patch series is initially focusing on usecases where hypervisor fully controls the VM networking and the guest is not expected to directly configure any hardware settings, it doesn't expose all the ndo/ethtool ops that are supported by virtio_net at this time. To support additional usecases, it should be possible to enable additional ops later by caching the state in failover netdev and replaying when the 'primary' netdev gets registered. At the time of live migration, the hypervisor needs to unplug the VF device from the guest on the source host and reset the MAC filter of the VF to initiate failover of datapath to virtio before starting the migration. After the migration is completed, the destination hypervisor sets the MAC filter on the VF and plugs it back to the guest to switch over to VF datapath. This patch is based on the discussion initiated by Jesse on this thread. https://marc.info/?l=linux-virtualization&m=151189725224231&w=2 v12: - Tested live migration with virtio-net/AVF(i40evf) configured in failover mode while running iperf in background. Tried static ip and dhcp configurations using 'network' scripts and Network Manager. - Build tested netvsc module. Updates: - Extended generic failover module to do common functions like setting FAILOVER_SLAVE flag, registering rx-handler and linking to upper dev in the generic register/unregister handlers. This required adding 3 additional failover ops pre_register, pre_unregister and handle_frame. netvsc and net_failover drivers are updated to support these ops. v11: - Split net_failover module into 2 components. 1. 'failover' module that provides generic failover infrastructure to register a failover instance and listen for slave events. 2. 'net_failover' driver that provides APIs to create/destroy upper netdev and supports 3-netdev model used by virtio-net. - Added documentation v10: - fix net_failover_open() to update failover CARRIER correctly based on standby and primary states. - fix net_failover_handle_frame() to handle frames received on standby when primary is present. - replace netdev_upper_dev_link with netdev_master_upper_dev_link and handle lower dev state changes. - fix net_failver_create() and net_failover_register() interfaces to use ERR_PTR and avoid arg ** - disable setting mac address when virtio-net in STANDBY mode - document exported symbols - added entry to MAINTAINERS file v9: Select NET_FAILOVER automatically when VIRTIO_NET/HYPERV_NET are enabled. (stephen) v8: - Made the failover managment routines more robust by updating the feature bits/other fields in the failover netdev when slave netdevs are registered/unregistered. (mst) - added support for handling vlans. - Limited the changes in netvsc to only use the notifier/event/lookups from the failover module. The slave register/unregister/link-change handlers are only updated to use the getbymac routine to get the upper netdev. There is no change in their functionality. (stephen) - renamed structs/function/file names to use net_failover prefix. (mst) v7 - Rename 'bypass/active/backup' terminology with 'failover/primary/standy' (jiri, mst) - re-arranged dev_open() and dev_set_mtu() calls in the register routines so that they don't get called for 2-netdev model. (stephen) - fixed select_queue() routine to do queue selection based on VF if it is registered as primary. (stephen) - minor bugfixes v6 RFC: Simplified virtio_net changes by moving all the ndo_ops of the bypass_netdev and create/destroy of bypass_netdev to 'bypass' module. avoided 2 phase registration(driver + instances). introduced IFF_BYPASS/IFF_BYPASS_SLAVE dev->priv_flags replaced mutex with a spinlock v5 RFC: Based on Jiri's comments, moved the common functionality to a 'bypass' module so that the same notifier and event handlers to handle child register/unregister/link change events can be shared between virtio_net and netvsc. Improved error handling based on Siwei's comments. v4: - Based on the review comments on the v3 version of the RFC patch and Jakub's suggestion for the naming issue with 3 netdev solution, proposed 3 netdev in-driver bonding solution for virtio-net. v3 RFC: - Introduced 3 netdev model and pointed out a couple of issues with that model and proposed 2 netdev model to avoid these issues. - Removed broadcast/multicast optimization and only use virtio as backup path when VF is unplugged. v2 RFC: - Changed VIRTIO_NET_F_MASTER to VIRTIO_NET_F_BACKUP (mst) - made a small change to the virtio-net xmit path to only use VF datapath for unicasts. Broadcasts/multicasts use virtio datapath. This avoids east-west broadcasts to go over the PCI link. - added suppport for the feature bit in qemu ==================== Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
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Sridhar Samudrala authored
This patch enables virtio_net to switch over to a VF datapath when STANDBY feature is enabled and a VF netdev is present with the same MAC address. It allows live migration of a VM with a direct attached VF without the need to setup a bond/team between a VF and virtio net device in the guest. It uses the API that is exported by the net_failover driver to create and and destroy a master failover netdev. When STANDBY feature is enabled, an additional netdev(failover netdev) is created that acts as a master device and tracks the state of the 2 lower netdevs. The original virtio_net netdev is marked as 'standby' netdev and a passthru device with the same MAC is registered as 'primary' netdev. The hypervisor needs to unplug the VF device from the guest on the source host and reset the MAC filter of the VF to initiate failover of datapath to virtio before starting the migration. After the migration is completed, the destination hypervisor sets the MAC filter on the VF and plugs it back to the guest to switch over to VF datapath. This patch is based on the discussion initiated by Jesse on this thread. https://marc.info/?l=linux-virtualization&m=151189725224231&w=2Signed-off-by:
Sridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by:
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Sridhar Samudrala authored
This feature bit can be used by hypervisor to indicate virtio_net device to act as a standby for another device with the same MAC address. VIRTIO_NET_F_STANDBY is defined as bit 62 as it is a device feature bit. Signed-off-by:
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Sridhar Samudrala authored
The net_failover driver provides an automated failover mechanism via APIs to create and destroy a failover master netdev and manages a primary and standby slave netdevs that get registered via the generic failover infrastructure. The failover netdev acts a master device and controls 2 slave devices. The original paravirtual interface gets registered as 'standby' slave netdev and a passthru/vf device with the same MAC gets registered as 'primary' slave netdev. Both 'standby' and 'failover' netdevs are associated with the same 'pci' device. The user accesses the network interface via 'failover' netdev. The 'failover' netdev chooses 'primary' netdev as default for transmits when it is available with link up and running. This can be used by paravirtual drivers to enable an alternate low latency datapath. It also enables hypervisor controlled live migration of a VM with direct attached VF by failing over to the paravirtual datapath when the VF is unplugged. Signed-off-by:
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Sridhar Samudrala authored
Use the registration/notification framework supported by the generic failover infrastructure. Signed-off-by:
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Sridhar Samudrala authored
The failover module provides a generic interface for paravirtual drivers to register a netdev and a set of ops with a failover instance. The ops are used as event handlers that get called to handle netdev register/ unregister/link change/name change events on slave pci ethernet devices with the same mac address as the failover netdev. This enables paravirtual drivers to use a VF as an accelerated low latency datapath. It also allows migration of VMs with direct attached VFs by failing over to the paravirtual datapath when the VF is unplugged. Signed-off-by:
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Davide Caratti authored
SCTP sockets originated in a VRF can improve their performance if CRC32c computation is delegated to underlying devices: update device features, setting NETIF_F_SCTP_CRC. Iterating the following command in the topology proposed with [1], # ip vrf exec vrf-h2 netperf -H 192.0.2.1 -t SCTP_STREAM -- -m 10K the measured throughput in Mbit/s improved from 2395 ± 1% to 2720 ± 1%. [1] https://www.spinics.net/lists/netdev/msg486007.htmlSigned-off-by:
Davide Caratti <dcaratti@redhat.com> Reviewed-by:
Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
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Thierry Reding authored
Some drivers, such as DWC EQOS on Tegra, need to perform operations that can sleep under this lock (clk_set_rate() in tegra_eqos_fix_speed()) for proper operation. Since there is no need for this lock to be a spinlock, convert it to a mutex instead. Fixes: e6ea2d16 ("net: stmmac: dwc-qos: Add Tegra186 support") Reported-by:
Jon Hunter <jonathanh@nvidia.com> Signed-off-by:
Thierry Reding <treding@nvidia.com> Tested-by:
Bhadram Varka <vbhadram@nvidia.com> Signed-off-by:
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Sudarsana Reddy Kalluru authored
Tx-timeout mostly happens due to some issue in the device. In such cases, debug dump would be helpful for identifying the cause of the issue. This patch adds support to spill debug data during the Tx timeout. Here bnx2x_panic_dump() API is used instead of bnx2x_panic(), since we still want to allow the Tx-timeout recovery a chance to succeed. Changes from previous version: ------------------------------- v2: Fixed a coding error. Please consider applying this to "net-next". Signed-off-by:
Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com> Signed-off-by:
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- 26 May, 2018 6 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller authored
Lots of easy overlapping changes in the confict resolutions here. Signed-off-by: -
Linus Torvalds authored
Merge misc fixes from Andrew Morton: "16 fixes" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kasan: fix memory hotplug during boot kasan: free allocated shadow memory on MEM_CANCEL_ONLINE checkpatch: fix macro argument precedence test init/main.c: include <linux/mem_encrypt.h> kernel/sys.c: fix potential Spectre v1 issue mm/memory_hotplug: fix leftover use of struct page during hotplug proc: fix smaps and meminfo alignment mm: do not warn on offline nodes unless the specific node is explicitly requested mm, memory_hotplug: make has_unmovable_pages more robust mm/kasan: don't vfree() nonexistent vm_area MAINTAINERS: change hugetlbfs maintainer and update files ipc/shm: fix shmat() nil address after round-down when remapping Revert "ipc/shm: Fix shmat mmap nil-page protection" idr: fix invalid ptr dereference on item delete ocfs2: revert "ocfs2/o2hb: check len for bio_add_page() to avoid getting incorrect bio" mm: fix nr_rotate_swap leak in swapon() error case
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds authored
Pull networking fixes from David Miller: "Let's begin the holiday weekend with some networking fixes: 1) Whoops need to restrict cfg80211 wiphy names even more to 64 bytes. From Eric Biggers. 2) Fix flags being ignored when using kernel_connect() with SCTP, from Xin Long. 3) Use after free in DCCP, from Alexey Kodanev. 4) Need to check rhltable_init() return value in ipmr code, from Eric Dumazet. 5) XDP handling fixes in virtio_net from Jason Wang. 6) Missing RTA_TABLE in rtm_ipv4_policy[], from Roopa Prabhu. 7) Need to use IRQ disabling spinlocks in mlx4_qp_lookup(), from Jack Morgenstein. 8) Prevent out-of-bounds speculation using indexes in BPF, from Daniel Borkmann. 9) Fix regression added by AF_PACKET link layer cure, from Willem de Bruijn. 10) Correct ENIC dma mask, from Govindarajulu Varadarajan. 11) Missing config options for PMTU tests, from Stefano Brivio" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (48 commits) ibmvnic: Fix partial success login retries selftests/net: Add missing config options for PMTU tests mlx4_core: allocate ICM memory in page size chunks enic: set DMA mask to 47 bit ppp: remove the PPPIOCDETACH ioctl ipv4: remove warning in ip_recv_error net : sched: cls_api: deal with egdev path only if needed vhost: synchronize IOTLB message with dev cleanup packet: fix reserve calculation net/mlx5: IPSec, Fix a race between concurrent sandbox QP commands net/mlx5e: When RXFCS is set, add FCS data into checksum calculation bpf: properly enforce index mask to prevent out-of-bounds speculation net/mlx4: Fix irq-unsafe spinlock usage net: phy: broadcom: Fix bcm_write_exp() net: phy: broadcom: Fix auxiliary control register reads net: ipv4: add missing RTA_TABLE to rtm_ipv4_policy net/mlx4: fix spelling mistake: "Inrerface" -> "Interface" and rephrase message ibmvnic: Only do H_EOI for mobility events tuntap: correctly set SOCKWQ_ASYNC_NOSPACE virtio-net: fix leaking page for gso packet during mergeable XDP ... -
David Hildenbrand authored
Using module_init() is wrong. E.g. ACPI adds and onlines memory before our memory notifier gets registered. This makes sure that ACPI memory detected during boot up will not result in a kernel crash. Easily reproducible with QEMU, just specify a DIMM when starting up. Link: http://lkml.kernel.org/r/20180522100756.18478-3-david@redhat.com Fixes: 786a8959 ("kasan: disable memory hotplug") Signed-off-by:
David Hildenbrand <david@redhat.com> Acked-by:
Andrey Ryabinin <aryabinin@virtuozzo.com> Cc: Alexander Potapenko <glider@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: <stable@vger.kernel.org> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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David Hildenbrand authored
We have to free memory again when we cancel onlining, otherwise a later onlining attempt will fail. Link: http://lkml.kernel.org/r/20180522100756.18478-2-david@redhat.com Fixes: fa69b598 ("mm/kasan: add support for memory hotplug") Signed-off-by:
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Joe Perches authored
checkpatch's macro argument precedence test is broken so fix it. Link: http://lkml.kernel.org/r/5dd900e9197febc1995604bb33c23c136d8b33ce.camel@perches.comSigned-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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