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2020-03-10ice: fix incorrect size description of ice_get_nvm_versionJacob Keller
The function comment for ice_get_nvm_version indicated that the ver_hi and ver_lo values were 16 bits. In fact, they are only uint8_t values, meaning that they have a maximum size of 8 bits. Fix the comment to match the correct size. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: use variable name more descriptive than typeBruce Allan
The variable name 'type' is not very descriptive. Replace instances of those with a variable name that is more descriptive or replace it if not needed. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Use EOPNOTSUPP instead of ENOTSUPPAnirudh Venkataramanan
Using ENOTSUPP almost always results in some bizarre error message to be printed in userspace. This is likely because ENOTSUPP was defined for the NFS protocol (as per a comment in include/linux/errno.h). Use EOPNOTSUPP instead. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Fix format specifierTony Nguyen
Commit ed5a3f664c55 ("ice: Removing hung_queue variable to use txqueue function parameter") began utilizing the txqueue variable over the hung_queue variable. hung_queue was an int where txqueue is an unsigned int. Update the format specifiers to reflect the new type. Fixes: ed5a3f664c55 ("ice: Removing hung_queue variable to use txqueue function parameter") Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: fix use of deprecated strlcpy()Bruce Allan
checkpatch complains "CHECK:DEPRECATED_API: Deprecated use of 'strlcpy', prefer 'stracpy or strscpy' instead"; use strscpy. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Increase mailbox receive queue length to maximumLukasz Czapnik
Currently the PF's mailbox receive queue is only 512 entries. This fine, but considering that all VF's mailbox send queues funnel into the PF's single mailbox receive queue, let's increase it to the maximum size. This will help prevent any possible bottleneck/slowdown occurring from the PF's mailbox receive queue being full. Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com> Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Correct setting VLAN pruningBrett Creeley
VLAN pruning is not always being set correctly due to a previous change that set Tx antispoof off. ice_vsi_is_vlan_pruning_ena() currently checks for both Tx antispoof and Rx pruning. The expectation for this function is to only check Rx pruning so fix the check. Fixes: cd6d6b83316a ("ice: Fix VF spoofchk") Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: renegotiate link after FW DCB onDave Ertman
When switching from SW DCB to FW DCB it is necessary to renegotiate DCBx so that the FW agent can have up to date information about the DCB settings of the link partner. Perform an autoneg restart on the link when activating FW DCB. Signed-off-by: Dave Ertman <david.m.ertman@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Fix corner case when switching from IEEE to CEEAvinash JD
While testing DCB for a corner case in which mode is switched from IEEE to CEE and pfc_ena bitmask unchanged then DCBX mode doesn't get updated. This is happening because the function ice_dcb_get_mode() is called in a "no change detected block" instead of "change detected block". Signed-off-by: Avinash JD <avinash.dayanand@intel.com> Signed-off-by: Scott Register <scottx.register@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Display Link detected via Ethtool in safe modeBrett Creeley
Currently the "Link detected" field is not shown when the device goes into safe mode. This is because the safe mode Ethtool ops does not set the get_link function. Fix this by setting the safe mode Ethtool op get_link function. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Fix removing driver while bare-metal VFs pass trafficBrett Creeley
Currently, if there are bare-metal VFs passing traffic and the ice driver is removed, there is a possibility of VFs triggering a Tx timeout right before iavf_remove(). This is causing iavf_close() to not be called because there is a check in the beginning of iavf_remove() that bails out early if (adapter->state < IAVF_DOWN_PENDING). This makes it so some resources do not get cleaned up. Specifically, free_irq() is never called for data interrupts, which results in the following line of code to trigger: pci_disable_msix() free_msi_irqs() ... BUG_ON(irq_has_action(entry->irq + i)); ... To prevent the Tx timeout from occurring on the VF during driver unload for ice and the iavf there are a few changes that are needed. [1] Don't disable all active VF Tx/Rx queues prior to calling pci_disable_sriov. [2] Call ice_free_vfs() before disabling the service task. [3] Disable VF resets when the ice driver is being unloaded by setting the pf->state flag __ICE_VF_RESETS_DISABLED. Changing [1] and [2] allow each VF driver's remove flow to successfully send VIRTCHNL requests, which includes queue disable. This prevents unexpected Tx timeouts because the PF driver is no longer forcefully disabling queues. Due to [1] and [2] there is a possibility that the PF driver will get a VFLR or reset request over VIRTCHNL from a VF during PF driver unload. Prevent that by doing [3]. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Improve clarity of prints and variablesBrett Creeley
Currently when the device runs out of MSI-X interrupts a cryptic and unhelpful message is printed. This will cause confusion when hitting this case. Fix this by clearing up the error message for both SR-IOV and non SR-IOV use cases. Also, make a few minor changes to increase clarity of variables. 1. Change per VF MSI-X and queue pair variables in the PF structure. 2. Use ICE_NONQ_VECS_VF when determining pf->num_msix_per_vf instead of the magic number "1". This vector is reserved for the OICR. All of the resource tracking functions were moved to avoid adding any forward declaration function prototypes. Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: allow bigger VFsMitch Williams
Unlike the XL710 series, 800-series hardware can allocate more than 4 MSI-X vectors per VF. This patch enables that functionality. We dynamically allocate vectors and queues depending on how many VFs are enabled. Allocating the maximum number of VFs replicates XL710 behavior with 4 queues and 4 vectors. But allocating a smaller number of VFs will give you 16 queues and 16 vectors. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Brett Creeley <brett.creeley@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10iavf: Enable support for up to 16 queuesMitch Williams
Previous devices could only allocate 4 MSI-X vectors per VF so there was a limitation of 4 queues. 800-series hardware can allocate more than 4 MSI-X vectors, so expand the limitation on the number of queues that the driver can support to account for these capabilities. Fix ethtool channel operations to accommodate this change and adjust the reporting of max number of queues to what is given to us by the PF. Since we're not requesting queues above this value, just trigger reset to activate the queues, which we already own. Finally, fix a test condition that would display an incorrect error message. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10ice: Cleanup unneeded parenthesisJeff Kirsher
Sergei Shtylyov pointed out that two instances of parenthesis are not needed, so remove them. Suggested-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
2020-03-10Merge branch 'mlx5_packet_pacing' into rdma.git for-nextJason Gunthorpe
Yishai Hadas Says: ==================== Expose raw packet pacing APIs to be used by DEVX based applications. The existing code was refactored to have a single flow with the new raw APIs. ==================== Based on the mlx5-next branch at git://git.kernel.org/pub/scm/linux/kernel/git/mellanox/linux Due to dependencies * branch 'mlx5_packet_pacing': IB/mlx5: Introduce UAPIs to manage packet pacing net/mlx5: Expose raw packet pacing APIs
2020-03-10Merge tag 'iwlwifi-for-kalle-2020-03-08' of ↵Kalle Valo
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes First batch of fixes intended for v5.6 * Fix a locking issue in time events handling; * A fix in rate-scaling; * Fix for a potential NULL pointer deref; * Enable antenna diversity in some devices that were erroneously not doing it; * Allow FW dumps to continue when the FW is stuck; * A fix in the HE capabilities handling; * Another fix for FW dumps where we were reading wrong addresses.
2020-03-09net: stmmac: Integrate it with DesignWare XPCSJose Abreu
Adds all the necessary logic so that stmmac can be used with Synopsys DesignWare XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: phy: Add Synopsys DesignWare XPCS MDIO moduleJose Abreu
Synopsys DesignWare XPCS is an MMD that can manage link status, auto-negotiation, link training, ... In this commit we add basic support for XPCS using USXGMII interface and Clause 73 Auto-negotiation. This is highly tied with PHYLINK and can't be used without it. A given ethernet driver can use the provided callbacks to add the support for XPCS. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: phylink: Test if MAC/PCS support AutonegJose Abreu
We may have cases where MAC or PCS do not support Autoneg. Check if it is supported after validate callback is called. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: phylink: Add missing Backplane speedsJose Abreu
USXGMII also supports these missing backplane speeds. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: stmmac: Use resolved link config in mac_link_up()Jose Abreu
Convert the stmmac ethernet driver to use the finalised link parameters in mac_link_up() rather than the parameters in mac_config(). Suggested-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: stmmac: Fallback to dev_fwnode() if neededJose Abreu
When CONFIG_OF is not enabled, of_fwnode_handle() will return NULL, even though we can have a FW handle from a given device. Fallback to dev_fwnode() helper if needed. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: stmmac: Switch to linkmode_and()/linkmode_andnot()Jose Abreu
Use the linkmode_and()/linkmode_andnot() helpers to simplify the code. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: stmmac: selftests: Do not fail if PHY is not attachedJose Abreu
If a PHY is not attached, we can still run the tests with MAC loopback mode. Return -EOPNOTSUPP error code in PHY loopback test so that global status is not a failure. Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09Merge tag 'mlx5-updates-2020-03-09' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-updates-2020-03-09 This series provides updates to mlx5 driver: 1) Use vport metadata matching only when mandatory 2) Introduce root flow table and ethtool steering for uplink representors 3) Expose port speed via FW when link modes are not available 3) Misc cleanups ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: delete unnecessary logs after kzalloc failsYufeng Mo
Since kernel already has logs after kzalloc fails, it's unnecessary to print duplicate logs. So this patch deletes these logs. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: synchronize some print relating to reset issueHuazhong Tan
This patch modifies some printing relating to reset issue. Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: print out command code when dump fails in debugfsYufeng Mo
This patch adds a local variable to save the command code in some dump cases which need to modify the command code, then the failing command code can be print out for debugging. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: print out status register when VF receives unknown source interruptHuazhong Tan
When received an unknown vector 0 interrupt, there is not a helpful information for user to realize that now. So this patch prints out the value of the status register for this case, and uses dev_info() instead of dev_dbg() in hclge_check_event_cause(). Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: add a check before PF inform VF to resetYonglong Liu
When setting VF's MAC from PF, if the VF driver not loaded, the firmware will return error to PF. So PF should check whether VF is alive before sending message to VF when setting VF's MAC. Signed-off-by: Yonglong Liu <liuyonglong@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: delete some reduandant codeGuojia Liao
In hclge_add_mc_addr_common() and hclge_rm_mc_addr_common(), variable req had been set as "0" by memset(), so it's unnecessary to set .entry_type field as "0" with hnae3_set_bit() again. Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: remove an unnecessary resetting check in hclge_handle_hw_ras_error()Yufeng Mo
In hclge_handle_hw_ras_error(), it is unnecessary to check HCLGE_STATE_RST_HANDLING flag, because the reset priority has been ensured by the process itself. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: rename macro HCLGE_MAX_NCL_CONFIG_LENGTHYufeng Mo
The name of macro HCLGE_MAX_NCL_CONFIG_LENGTH is inaccurate, this patch renames it to HCLGE_NCL_CONFIG_LENGTH_IN_EACH_CMD. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: hns3: fix some mixed type assignmentGuojia Liao
This patch cleans up some incorrect type in assignment reported by sparse and compiler. The warning as below: - warning : restricted __le16 degrades to integer - warning : cast from restricted __le32 - warning : cast from restricted __be32 - warning : cast from restricted __be16 and "mixed operation". Signed-off-by: Guojia Liao <liaoguojia@huawei.com> Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: drop ethtool driver versionShannon Nelson
Use the default kernel version in ethtool drv_info output and drop the module version. Cc: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Shannon Nelson <snelson@pensando.io> Reviewed-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: add support for device id 0x1004Shannon Nelson
Add support for the management port device id. This is to capture the device and set it up for devlink use, but not set it up for network operations. We still use a netdev object in order to use the napi infrasucture for processing adminq and notifyq messages, we just don't register the netdev. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: print pci bus lane infoShannon Nelson
Print the PCI bus lane information so people can keep an eye out for poor configurations that might not support the advertised speed. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: support ethtool rxhash disableShannon Nelson
We can disable rxhashing by setting rss_types to 0. The user can toggle this with "ethtool -K <ethX> rxhash off|on", which calls into the .ndo_set_features callback with the NETIF_F_RXHASH feature bit set or cleared. This patch adds a check for that bit and updates the FW if necessary. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: clean up bitflag usageShannon Nelson
Remove the unused flags field and and fix the bitflag names to include the _F_ flag hint. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: improve irq numa localityShannon Nelson
Spreading the interrupts across the CPU cores is good for load balancing, but not necessarily as good when using a CPU/core that is not part of the NUMA local CPU. If it can be localized, the kernel's cpumask_local_spread() service will pick a core that is on the node close to the PCI device. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: remove pragma packedShannon Nelson
Replace the misguided "#pragma packed" with tags on each struct/union definition that actually needs it. This is safer and more efficient on the various compilers and architectures. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ionic: keep ionic dev on lif init failShannon Nelson
If the basic ionic interface works but the lif creation fails, don't fail the probe. This will allow us to use the driver to help inspect the hw/fw/pci interface for debugging purposes. Signed-off-by: Shannon Nelson <snelson@pensando.io> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: dsa: mt7530: add support for port mirroringDENG Qingfang
Add support for configuring port mirroring through the cls_matchall classifier. We do a full ingress and/or egress capture towards a capture port. MT7530 supports one monitor port and multiple mirrored ports. Signed-off-by: DENG Qingfang <dqfext@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09r8169: remove now unneeded barrier in rtl_txHeiner Kallweit
Until ae84bc187337 ("r8169: don't use bit LastFrag in tx descriptor after send") we used to access another bit in the descriptor, therefore it seems the barrier was needed. Since this commit DescOwn is the only bit we're interested in, so the barrier isn't needed any longer. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09r8169: simplify usage of rtl8169_unmap_tx_skbHeiner Kallweit
Simplify the parameters taken by rtl8169_unmap_tx_skb, this makes usage of this function easier to read and understand. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09r8169: ensure tx_skb is fully reset after calling rtl8169_unmap_tx_skbHeiner Kallweit
So far tx_skb->skb is the only member of the two structs that is not reset. Make understanding the code easier by resetting both structs completely in rtl8169_unmap_tx_skb. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09r8169: convert while to for loop in rtl_txHeiner Kallweit
Slightly improve the code by converting this while to a for loop. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09net: mscc: ocelot: properly account for VLAN header length when setting MRUVladimir Oltean
What the driver writes into MAC_MAXLEN_CFG does not actually represent VLAN_ETH_FRAME_LEN but instead ETH_FRAME_LEN + ETH_FCS_LEN. Yes they are numerically equal, but the difference is important, as the switch treats VLAN-tagged traffic specially and knows to increase the maximum accepted frame size automatically. So it is always wrong to account for VLAN in the MAC_MAXLEN_CFG register. Unconditionally increase the maximum allowed frame size for double-tagged traffic. Accounting for the additional length does not mean that the other VLAN membership checks aren't performed, so there's no harm done. Also, stop abusing the MTU name for configuring the MRU. There is no support for configuring the MRU on an interface at the moment. Fixes: a556c76adc05 ("net: mscc: Add initial Ocelot switch support") Fixes: fa914e9c4d94 ("net: mscc: ocelot: create a helper for changing the port MTU") Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-09ipvlan: do not use cond_resched_rcu() in ipvlan_process_multicast()Eric Dumazet
Commit e18b353f102e ("ipvlan: add cond_resched_rcu() while processing muticast backlog") added a cond_resched_rcu() in a loop using rcu protection to iterate over slaves. This is breaking rcu rules, so lets instead use cond_resched() at a point we can reschedule Fixes: e18b353f102e ("ipvlan: add cond_resched_rcu() while processing muticast backlog") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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