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2018-12-19scsi: megaraid_sas: changes to function prototypesShivasharan S
Instead of the register address, pass the instance pointer to clear_intr and read_fw_status_reg functions. This is done in preparation for adding adapter type based checks in these functions in later patches of this series. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-12-19scsi: megaraid_sas: Introduce new Aero adapter typeShivasharan S
Identify all Aero controller PCI IDs with new adapter type. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-12-19scsi: megaraid_sas: Fix Ventura series based checksShivasharan S
In preparation for the new Aero series adapter type, all the places where we check adapter type for Ventura series needs to include any later adapter types. Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-12-19scsi: mpt3sas: fix memory ordering on 64bit writesStephan Günther
With commit 09c2f95ad404 ("scsi: mpt3sas: Swap I/O memory read value back to cpu endianness"), 64bit writes in _base_writeq() were rewritten to use __raw_writeq() instad of writeq(). This introduced a bug apparent on powerpc64 systems such as the Raptor Talos II that causes the HBA to drop from the PCIe bus under heavy load and being reinitialized after a couple of seconds. It can easily be triggered on affacted systems by using something like fio --name=random-write --iodepth=4 --rw=randwrite --bs=4k --direct=0 \ --size=128M --numjobs=64 --end_fsync=1 fio --name=random-write --iodepth=4 --rw=randwrite --bs=64k --direct=0 \ --size=128M --numjobs=64 --end_fsync=1 a couple of times. In my case I tested it on both a ZFS raidz2 and a btrfs raid6 using LSI 9300-8i and 9400-8i controllers. The fix consists in resembling the write ordering of writeq() by adding a mandatory write memory barrier before device access and a compiler barrier afterwards. The additional MMIO barrier is superfluous. Signed-off-by: Stephan Günther <moepi@moepi.net> Reported-by: Matt Corallo <linux@bluematt.me> Acked-by: Sreekanth Reddy <Sreekanth.Reddy@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-12-19Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull kvm fixes from Paolo Bonzini: - One nasty use-after-free bugfix, from this merge window however - A less nasty use-after-free that can only zero some words at the beginning of the page, and hence is not really exploitable - A NULL pointer dereference - A dummy implementation of an AMD chicken bit MSR that Windows uses for some unknown reason * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: kvm: x86: Add AMD's EX_CFG to the list of ignored MSRs KVM: X86: Fix NULL deref in vcpu_scan_ioapic KVM: Fix UAF in nested posted interrupt processing KVM: fix unregistering coalesced mmio zone from wrong bus
2018-12-19scsi: qla2xxx: deadlock by configfs_depend_itemAnatoliy Glagolev
The intent of invoking configfs_depend_item in commit 7474f52a82d51 ("tcm_qla2xxx: Perform configfs depend/undepend for base_tpg") was to prevent a physical Fibre Channel port removal when virtual (NPIV) ports announced through that physical port are active. The change does not work as expected: it makes enabled physical port dependent on target configfs subsystem (the port's parent), something the configfs guarantees anyway. Besides, scheduling work in a worker thread and waiting for the work's completion is not really a valid workaround for the requirement not to call configfs_depend_item from a configfs callback: the call occasionally deadlocks. Thus, removing configfs_depend_item calls does not break anything and fixes the deadlock problem. Signed-off-by: Anatoliy Glagolev <glagolig@gmail.com> Acked-by: Himanshu Madhani <hmadhani@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-12-19Merge tag 'dma-mapping-4.20-4' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds
Pull dma-mapping fix from Christoph Hellwig: "Fix a regression in dma-direct that didn't take account the magic AMD memory encryption mask in the DMA address" * tag 'dma-mapping-4.20-4' of git://git.infradead.org/users/hch/dma-mapping: dma-direct: do not include SME mask in the DMA supported check
2018-12-19neighbor: NTF_PROXY is a valid ndm_flag for a dump requestDavid Ahern
When dumping proxy entries the dump request has NTF_PROXY set in ndm_flags. strict mode checking needs to be updated to allow this flag. Fixes: 51183d233b5a ("net/neighbor: Update neigh_dump_info for strict data checking") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19neighbor: Initialize protocol when new pneigh_entry are createdDavid Ahern
pneigh_lookup uses kmalloc versus kzalloc when new entries are allocated. Given that the newly added protocol field needs to be initialized. Fixes: df9b0e30d44c ("neighbor: Add protocol attribute") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-20bpf: sparc64: Enable sparc64 jit to provide bpf_line_infoMartin KaFai Lau
This patch enables sparc64's bpf_int_jit_compile() to provide bpf_line_info by calling bpf_prog_fill_jited_linfo(). Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-12-19selftests: net: refactor reuseport_addr_any testPeter Oskolkov
This patch refactors reuseport_add_any selftest a bit: - makes it more modular (eliminates several copy/pasted blocks); - skips DCCP tests if DCCP is not supported V2: added "Signed-off-by" tag. Signed-off-by: Peter Oskolkov <posk@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net: dsa: mv88e6xxx: Add missing watchdog ops for 6320 familyAndrew Lunn
The 6320 family of switches uses the same watchdog registers as the 6390. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net: mvpp2: fix the phylink mode validationAntoine Tenart
The mvpp2_phylink_validate() sets all modes that are supported by a given PPv2 port. An mistake made the 10000baseT_Full mode being advertised in some cases when a port wasn't configured to perform at 10G. This patch fixes this. Fixes: d97c9f4ab000 ("net: mvpp2: 1000baseX support") Reported-by: Russell King <linux@armlinux.org.uk> Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net/sched: cls_flower: Remove old entries from rhashtableRoi Dayan
When replacing a rule we add the new rule to the rhashtable but only remove the old if not in skip_sw. This commit fix this and remove the old rule anyway. Fixes: 35cc3cefc4de ("net/sched: cls_flower: Reject duplicated rules also under skip_sw") Signed-off-by: Roi Dayan <roid@mellanox.com> Reviewed-by: Vlad Buslov <vladbu@mellanox.com> Acked-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net/tls: allocate tls context using GFP_ATOMICGanesh Goudar
create_ctx can be called from atomic context, hence use GFP_ATOMIC instead of GFP_KERNEL. [ 395.962599] BUG: sleeping function called from invalid context at mm/slab.h:421 [ 395.979896] in_atomic(): 1, irqs_disabled(): 0, pid: 16254, name: openssl [ 395.996564] 2 locks held by openssl/16254: [ 396.010492] #0: 00000000347acb52 (sk_lock-AF_INET){+.+.}, at: do_tcp_setsockopt.isra.44+0x13b/0x9a0 [ 396.029838] #1: 000000006c9552b5 (device_spinlock){+...}, at: tls_init+0x1d/0x280 [ 396.047675] CPU: 5 PID: 16254 Comm: openssl Tainted: G O 4.20.0-rc6+ #25 [ 396.066019] Hardware name: Supermicro X10SRA-F/X10SRA-F, BIOS 2.0c 09/25/2017 [ 396.083537] Call Trace: [ 396.096265] dump_stack+0x5e/0x8b [ 396.109876] ___might_sleep+0x216/0x250 [ 396.123940] kmem_cache_alloc_trace+0x1b0/0x240 [ 396.138800] create_ctx+0x1f/0x60 [ 396.152504] tls_init+0xbd/0x280 [ 396.166135] tcp_set_ulp+0x191/0x2d0 [ 396.180035] ? tcp_set_ulp+0x2c/0x2d0 [ 396.193960] do_tcp_setsockopt.isra.44+0x148/0x9a0 [ 396.209013] __sys_setsockopt+0x7c/0xe0 [ 396.223054] __x64_sys_setsockopt+0x20/0x30 [ 396.237378] do_syscall_64+0x4a/0x180 [ 396.251200] entry_SYSCALL_64_after_hwframe+0x49/0xbe Fixes: df9d4a178022 ("net/tls: sleeping function from invalid context") Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19Merge branch 'mt2712'David S. Miller
Biao Huang says: ==================== add ethernet binding and modify ethernet driver for mt2712 changes in v3: resend this series base on the latest net-next tree. changes in v2 as comments from Sean: 1. fix typo. 2. use capital letters for RMII/MII/RGMII in driver and bindings. v1: This new series is the result of discussion in: http://lkml.org/lkml/2018/12/13/1007 http://lkml.org/lkml/2018/12/14/53 1. ethernet binding file move to this series. 2. remove fine tune property in device tree 3. remove fine tune flow in ethernet driver 4. set rgmii timing according to the value in device tree, and don't care whether phy insert internal delay or not. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net-next: stmmac: dwmac-mediatek: remove fine-tune propertyBiao Huang
1. remove fine-tune property and related setting to simplify the timing adjustment flow. 2. set timing value according to the value from device tree, and will not care whether PHY insert internal delay. Signed-off-by: Biao Huang <biao.huang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net-next: dt-binding: dwmac-mediatek: remove fine-tune propertyBiao Huang
remove fine-tune property in device tree, modify the corresponding description in dt-binding. Signed-off-by: Biao Huang <biao.huang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19iptunnel: make TUNNEL_FLAGS available in uapiwenxu
ip l add dev tun type gretap external ip r a 10.0.0.1 encap ip dst 192.168.152.171 id 1000 dev gretap For gretap Key example when the command set the id but don't set the TUNNEL_KEY flags. There is no key field in the send packet In the lwtunnel situation, some TUNNEL_FLAGS should can be set by userspace Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19gro_cell: add napi_disable in gro_cells_destroyLorenzo Bianconi
Add napi_disable routine in gro_cells_destroy since starting from commit c42858eaf492 ("gro_cells: remove spinlock protecting receive queues") gro_cell_poll and gro_cells_destroy can run concurrently on napi_skbs list producing a kernel Oops if the tunnel interface is removed while gro_cell_poll is running. The following Oops has been triggered removing a vxlan device while the interface is receiving traffic [ 5628.948853] BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 [ 5628.949981] PGD 0 P4D 0 [ 5628.950308] Oops: 0002 [#1] SMP PTI [ 5628.950748] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc6+ #41 [ 5628.952940] RIP: 0010:gro_cell_poll+0x49/0x80 [ 5628.955615] RSP: 0018:ffffc9000004fdd8 EFLAGS: 00010202 [ 5628.956250] RAX: 0000000000000000 RBX: ffffe8ffffc08150 RCX: 0000000000000000 [ 5628.957102] RDX: 0000000000000000 RSI: ffff88802356bf00 RDI: ffffe8ffffc08150 [ 5628.957940] RBP: 0000000000000026 R08: 0000000000000000 R09: 0000000000000000 [ 5628.958803] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000040 [ 5628.959661] R13: ffffe8ffffc08100 R14: 0000000000000000 R15: 0000000000000040 [ 5628.960682] FS: 0000000000000000(0000) GS:ffff88803ea00000(0000) knlGS:0000000000000000 [ 5628.961616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5628.962359] CR2: 0000000000000008 CR3: 000000000221c000 CR4: 00000000000006b0 [ 5628.963188] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5628.964034] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5628.964871] Call Trace: [ 5628.965179] net_rx_action+0xf0/0x380 [ 5628.965637] __do_softirq+0xc7/0x431 [ 5628.966510] run_ksoftirqd+0x24/0x30 [ 5628.966957] smpboot_thread_fn+0xc5/0x160 [ 5628.967436] kthread+0x113/0x130 [ 5628.968283] ret_from_fork+0x3a/0x50 [ 5628.968721] Modules linked in: [ 5628.969099] CR2: 0000000000000008 [ 5628.969510] ---[ end trace 9d9dedc7181661fe ]--- [ 5628.970073] RIP: 0010:gro_cell_poll+0x49/0x80 [ 5628.972965] RSP: 0018:ffffc9000004fdd8 EFLAGS: 00010202 [ 5628.973611] RAX: 0000000000000000 RBX: ffffe8ffffc08150 RCX: 0000000000000000 [ 5628.974504] RDX: 0000000000000000 RSI: ffff88802356bf00 RDI: ffffe8ffffc08150 [ 5628.975462] RBP: 0000000000000026 R08: 0000000000000000 R09: 0000000000000000 [ 5628.976413] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000040 [ 5628.977375] R13: ffffe8ffffc08100 R14: 0000000000000000 R15: 0000000000000040 [ 5628.978296] FS: 0000000000000000(0000) GS:ffff88803ea00000(0000) knlGS:0000000000000000 [ 5628.979327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5628.980044] CR2: 0000000000000008 CR3: 000000000221c000 CR4: 00000000000006b0 [ 5628.980929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5628.981736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5628.982409] Kernel panic - not syncing: Fatal exception in interrupt [ 5628.983307] Kernel Offset: disabled Fixes: c42858eaf492 ("gro_cells: remove spinlock protecting receive queues") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19lan743x: Remove MAC Reset from initializationBryan Whitehead
The MAC Reset was noticed to erase important EEPROM settings. It is also unnecessary since a chip wide reset was done earlier in initialization, and that reset preserves EEPROM settings. There for this patch removes the unnecessary MAC specific reset. Signed-off-by: Bryan Whitehead <Bryan.Whitehead@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19Merge branch 'line_info-check-for-ld_imm64'Alexei Starovoitov
Martin KaFai Lau says: ==================== This series ensures the line_info (passed by the userspace during bpf_prog_load) cannot have its line_info.insn_off pointing to a zero bpf insn code. F.e. a broken userspace tool might generate a line_info.insn_off that points to the second 8 bytes of a BPF_LD_IMM64. The first patch is the kernel change. The second patch is a new test case. ==================== Acked-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-12-19bpf: Add BPF_LD_IMM64 to the line_info testMartin KaFai Lau
This patch adds a BPF_LD_IMM64 case to the line_info test to ensure the kernel rejects linfo_info.insn_off pointing to the 2nd 8 bytes of the BPF_LD_IMM64. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-12-19bpf: Ensure line_info.insn_off cannot point to insn with zero codeMartin KaFai Lau
This patch rejects a line_info if the bpf insn code referred by line_info.insn_off is 0. F.e. a broken userspace tool might generate a line_info.insn_off that points to the second 8 bytes of a BPF_LD_IMM64. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2018-12-19RDMA/bnxt_re: Increase depth of control path command queueDevesh Sharma
Increasing the depth of control path command queue to 8K entries to handle burst of commands. This feature needs support from FW and the driver/fw compatibility is checked from the interface version number. Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19RDMA/bnxt_re: Query HWRM Interface version from FWSelvin Xavier
Get HWRM interface major, minor, build and patch version from FW for checking the FW/Driver compatibility. Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19IB/usnic: Fix potential deadlockParvi Kaustubhi
Acquiring the rtnl lock while holding usdev_lock could result in a deadlock. For example: usnic_ib_query_port() | mutex_lock(&us_ibdev->usdev_lock) | ib_get_eth_speed() | rtnl_lock() rtnl_lock() | usnic_ib_netdevice_event() | mutex_lock(&us_ibdev->usdev_lock) This commit moves the usdev_lock acquisition after the rtnl lock has been released. This is safe to do because usdev_lock is not protecting anything being accessed in ib_get_eth_speed(). Hence, the correct order of holding locks (rtnl -> usdev_lock) is not violated. Signed-off-by: Parvi Kaustubhi <pkaustub@cisco.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19RDMA/bnxt_re: Make use of destroy AH sleepable flagGal Pressman
When in a sleepable (non-atomic) context, wait for firmware completion instead of polling for it. Signed-off-by: Gal Pressman <galpress@amazon.com> Acked-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19RDMA/bnxt_re: Make use of create AH sleepable flagGal Pressman
When in a sleepable (non-atomic) context, wait for firmware completion instead of polling for it. Signed-off-by: Gal Pressman <galpress@amazon.com> Acked-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19RDMA: Mark if destroy address handle is in a sleepable contextGal Pressman
Introduce a 'flags' field to destroy address handle callback and add a flag that marks whether the callback is executed in an atomic context or not. This will allow drivers to wait for completion instead of polling for it when it is allowed. Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19virtio: fix test build after uio.h changeMichael S. Tsirkin
Fixes: d38499530e5 ("fs: decouple READ and WRITE from the block layer ops") Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2018-12-19RDMA: Mark if create address handle is in a sleepable contextGal Pressman
Introduce a 'flags' field to create address handle callback and add a flag that marks whether the callback is executed in an atomic context or not. This will allow drivers to wait for completion instead of polling for it when it is allowed. Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
2018-12-19xfs: stringify scrub types in ftrace outputDarrick J. Wong
Use __print_symbolic to print the scrub type in ftrace output. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: stringify btree cursor types in ftrace outputDarrick J. Wong
Use __print_symbolic to print the btree type in ftrace output. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: move XFS_INODE_FORMAT_STR mappings to libxfsDarrick J. Wong
Move XFS_INODE_FORMAT_STR to libxfs so that we don't forget to keep it updated, and add necessary TRACE_DEFINE_ENUM. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: move XFS_AG_BTREE_CMP_FORMAT_STR mappings to libxfsDarrick J. Wong
Move XFS_AG_BTREE_CMP_FORMAT_STR to libxfs so that we don't forget to keep it updated, and TRACE_DEFINE_ENUM the values while we're at it. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: fix symbolic enum printing in ftrace outputDarrick J. Wong
ftrace's __print_symbolic() has a (very poorly documented) requirement that any enum values used in the symbol to string translation table be wrapped in a TRACE_DEFINE_ENUM so that the enum value can be encoded in the ftrace ring buffer. Fix this unsatisfied requirement. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19xfs: fix function pointer type in ftrace formatDarrick J. Wong
Use %pS instead of %pF in ftrace strings so that we record the actual function address instead of the function descriptor. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eric Sandeen <sandeen@redhat.com>
2018-12-19Merge tag 'mlx5-fixes-2018-12-19' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux Saeed Mahameed says: ==================== mlx5-fixes-2018-12-19 Some fixes for the mlx5 driver ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19Merge branch 'neigh-get-support'David S. Miller
Roopa Prabhu says: ==================== neigh get support This series adds support for neigh get similar to route and recently added fdb get. v2: fix key len check. and some other fixes ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19selftests: rtnetlink.sh: add testcase for neigh getRoopa Prabhu
Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19neighbour: register rtnl doit handlerRoopa Prabhu
this patch registers neigh doit handler. The doit handler returns a neigh entry given dst and dev. This is similar to route and fdb doit (get) handlers. Also moves nda_policy declaration from rtnetlink.c to neighbour.c Signed-off-by: Roopa Prabhu <roopa@cumulusnetworks.com> Reviewed-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-19net/mlx5e: Remove the false indication of software timestamping supportAlaa Hleihel
mlx5 driver falsely advertises support of software timestamping. Fix it by removing the false indication. Fixes: ef9814deafd0 ("net/mlx5e: Add HW timestamping (TS) support") Signed-off-by: Alaa Hleihel <alaa@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-12-19net/mlx5: Typo fix in del_sw_hw_ruleYuval Avnery
Expression terminated with "," instead of ";", resulted in set_fte getting bad value for modify_enable_mask field. Fixes: bd5251dbf156 ("net/mlx5_core: Introduce flow steering destination of type counter") Signed-off-by: Yuval Avnery <yuvalav@mellanox.com> Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-12-19net/mlx5e: RX, Fix wrong early return in receive queue pollTariq Toukan
When the completion queue of the RQ is empty, do not immediately return. If left-over decompressed CQEs (from the previous cycle) were processed, need to go to the finalization part of the poll function. Bug exists only when CQE compression is turned ON. This solves the following issue: mlx5_core 0000:82:00.1: mlx5_eq_int:544:(pid 0): CQ error on CQN 0xc08, syndrome 0x1 mlx5_core 0000:82:00.1 p4p2: mlx5e_cq_error_event: cqn=0x000c08 event=0x04 Fixes: 4b7dfc992514 ("net/mlx5e: Early-return on empty completion queues") Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
2018-12-19KVM: x86: nSVM: fix switch to guest mmuVitaly Kuznetsov
Recent optimizations in MMU code broke nested SVM with NPT in L1 completely: when we do nested_svm_{,un}init_mmu_context() we want to switch from TDP MMU to shadow MMU, both init_kvm_tdp_mmu() and kvm_init_shadow_mmu() check if re-configuration is needed by looking at cache source data. The data, however, doesn't change - it's only the type of the MMU which changes. We end up not re-initializing guest MMU as shadow and everything goes off the rails. The issue could have been fixed by putting MMU type into extended MMU role but this is not really needed. We can just split root and guest MMUs the exact same way we did for nVMX, their types never change in the lifetime of a vCPU. There is still room for improvement: currently, we reset all MMU roots when switching from L1 to L2 and back and this is not needed. Fixes: 7dcd57552008 ("x86/kvm/mmu: check if tdp/shadow MMU reconfiguration is needed") Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2018-12-19Merge tag 'kvm-s390-next-4.21-1' of ↵Paolo Bonzini
git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: Fixes for 4.21 Just two small fixes.
2018-12-19tools: bpftool: do not force gcc as CCIvan Babrou
This allows transparent cross-compilation with CROSS_COMPILE by relying on 7ed1c1901fe5 ("tools: fix cross-compile var clobbering"). Signed-off-by: Ivan Babrou <ivan@cloudflare.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-12-19xsk: simplify AF_XDP socket teardownBjörn Töpel
Prior this commit, when the struct socket object was being released, the UMEM did not have its reference count decreased. Instead, this was done in the struct sock sk_destruct function. There is no reason to keep the UMEM reference around when the socket is being orphaned, so in this patch the xdp_put_mem is called in the xsk_release function. This results in that the xsk_destruct function can be removed! Note that, it still holds that a struct xsk_sock reference might still linger in the XSKMAP after the UMEM is released, e.g. if a user does not clear the XSKMAP prior to closing the process. This sock will be in a "released" zombie like state, until the XSKMAP is removed. Signed-off-by: Björn Töpel <bjorn.topel@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-12-19Merge branch 'mlxsw-Make-driver-more-robust'David S. Miller
Ido Schimmel says: ==================== mlxsw: Make driver more robust In recent months we fixed several bugs in the driver that could have been avoided by re-evaluating some of the involved code paths and by introducing relevant and comprehensive test cases. This patchset tries to do that by introducing a set of small and mostly non-functional changes in addition to a new test. I have further improvements in mind, but they can be done in a different set. Patch #1 makes sure we correctly sanitize upper devices of a VLAN interface. Patch #2 removes an unexpected behavior from the driver, in which routes configured on a VLAN interface will cease being offloaded after certain operations. Patch #3 is a small cleanup. Patch #4 simplifies the driver by removing reference counting from VLAN entries configured on a port. Patches #5-#6 simplify linking/unlinking from a bridge, especially when LAG and VLAN devices are involved. They make both operations symmetric even when ports are unlinked from a bridged LAG device. Patch #7-#9 make router interface (RIF) deletion more robust by removing reliance on device chain to indicate whether a NETDEV_DOWN event in the inet{,6}addr notification chains should be processed. This is due to the fact that IP addresses can be flushed from a netdev after it was unlinked from its lower device. Patch #10 adds a new test to for valid and invalid configurations over mlxsw ports. Some of the test cases are derived from recent fixes. I expect that more test cases will be added over time. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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