mirror of https://github.com/torvalds/linux.git
5268 Commits
| Author | SHA1 | Message | Date |
|---|---|---|---|
Linus Torvalds
|
bd313968fd |
block-5.13-2021-05-07
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Merge tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- dasd spelling fixes (Bhaskar)
- Limit bio max size on multi-page bvecs to the hardware limit, to
avoid overly large bio's (and hence latencies). Originally queued for
the merge window, but needed a fix and was dropped from the initial
pull (Changheun)
- NVMe pull request (Christoph):
- reset the bdev to ns head when failover (Daniel Wagner)
- remove unsupported command noise (Keith Busch)
- misc passthrough improvements (Kanchan Joshi)
- fix controller ioctl through ns_head (Minwoo Im)
- fix controller timeouts during reset (Tao Chiu)
- rnbd fixes/cleanups (Gioh, Md, Dima)
- Fix iov_iter re-expansion (yangerkun)
* tag 'block-5.13-2021-05-07' of git://git.kernel.dk/linux-block:
block: reexpand iov_iter after read/write
nvmet: remove unsupported command noise
nvme-multipath: reset bdev to ns head when failover
nvme-pci: fix controller reset hang when racing with nvme_timeout
nvme: move the fabrics queue ready check routines to core
nvme: avoid memset for passthrough requests
nvme: add nvme_get_ns helper
nvme: fix controller ioctl through ns_head
bio: limit bio max size
RDMA/rtrs: fix uninitialized symbol 'cnt'
s390: dasd: Mundane spelling fixes
block/rnbd: Remove all likely and unlikely
block/rnbd-clt: Check the return value of the function rtrs_clt_query
block/rnbd: Fix style issues
block/rnbd-clt: Change queue_depth type in rnbd_clt_session to size_t
|
|
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Linus Torvalds
|
e48661230c |
more s390 updates for 5.13 merge window
- add support for system call stack randomization. - handle stale PCI deconfiguration events. - couple of defconfig updates. - some fixes and cleanups. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmCURRgACgkQIg7DeRsp bsLiVw//ThqXjgP7koJtawL0MFvSo1V69KTw1QNoMmUvrCynZ8nJlt4sHj1LIuEN m7kHoWUsvNcg8r8QbxL1eZ2f/Qf43qrFjXIKi5iTdOtO/LF9NNNQYFnA3cT3h9oE 7hfycj8o5yi+KYY3Ca2HjlQ0i7zKYfPul1+Yms5h0nAgcvOXuPltVAlyYrrtddrM cfpolZZd1IB/lMHSa8/qLviRB5ADlrNx4N6Y1ROeCPCWDbO8flrnDOPTDG8a8sCN llQ0/vBTmenkGyT7UjG5bx9P/gX1FsMShBtyZMa8t8leIJfruDiwdo87wvSDf5IT I612xdbLpMfGy6i/LnJHhnw61FkpwBKJZ3UrVVkrmjY8IVN8tVdAjy5s4Fplhgjj BUbk9Ep03YCqfO6fpqh5DkBxCF0dnj4dZrcHA881/DnZuUkxpMJhyNjJDIx1OLup PC+y9eILFAnDveFvhZJZeMpH7wAheyrW/WgKZsZNLYZ+61pKPyGn9RrE5UBgI7ra CSIi9Km/lAuNCd9o4n5/5wCd3a9dW47kCrRe3S20oF57v5RU3AVtbC2YSUqPYahf NR4ZgL+zDhByLPRVij5FJ1LLeaJJftKM9uUO9egHOk1JnSxDc9EyU41x4838SKYv CfhQJw1ISTTRNCGeflE7+CBfEYCKX7h+DySVCtxTsg6PelcQHLs= =C1HZ -----END PGP SIGNATURE----- Merge tag 's390-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull more s390 updates from Heiko Carstens: - add support for system call stack randomization - handle stale PCI deconfiguration events - couple of defconfig updates - some fixes and cleanups * tag 's390-5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390: fix detection of vector enhancements facility 1 vs. vector packed decimal facility s390/entry: add support for syscall stack randomization s390/configs: change CONFIG_VIRTIO_CONSOLE to "m" s390/cio: remove invalid condition on IO_SCH_UNREG s390/cpumf: remove call to perf_event_update_userpage s390/cpumf: move counter set size calculation to common place s390/cpumf: beautify if-then-else indentation s390/configs: enable CONFIG_PCI_IOV s390/pci: handle stale deconfiguration events s390/pci: rename zpci_configure_device() |
|
Bhaskar Chowdhury
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be4f361d69 |
s390: dasd: Mundane spelling fixes
s/Subssystem/Subsystem/ ......two different places s/reportet/reported/ s/managemnet/management/ Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Link: https://lore.kernel.org/r/20210428153521.2050899-2-sth@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Vineeth Vijayan
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2f7484fd73 |
s390/cio: remove invalid condition on IO_SCH_UNREG
The condition to check the cdev pointer validity on css_sch_device_unregister() is a leftover from the 'commit |
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Linus Torvalds
|
9d31d23389 |
Networking changes for 5.13.
Core:
- bpf:
- allow bpf programs calling kernel functions (initially to
reuse TCP congestion control implementations)
- enable task local storage for tracing programs - remove the
need to store per-task state in hash maps, and allow tracing
programs access to task local storage previously added for
BPF_LSM
- add bpf_for_each_map_elem() helper, allowing programs to
walk all map elements in a more robust and easier to verify
fashion
- sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
redirection
- lpm: add support for batched ops in LPM trie
- add BTF_KIND_FLOAT support - mostly to allow use of BTF
on s390 which has floats in its headers files
- improve BPF syscall documentation and extend the use of kdoc
parsing scripts we already employ for bpf-helpers
- libbpf, bpftool: support static linking of BPF ELF files
- improve support for encapsulation of L2 packets
- xdp: restructure redirect actions to avoid a runtime lookup,
improving performance by 4-8% in microbenchmarks
- xsk: build skb by page (aka generic zerocopy xmit) - improve
performance of software AF_XDP path by 33% for devices
which don't need headers in the linear skb part (e.g. virtio)
- nexthop: resilient next-hop groups - improve path stability
on next-hops group changes (incl. offload for mlxsw)
- ipv6: segment routing: add support for IPv4 decapsulation
- icmp: add support for RFC 8335 extended PROBE messages
- inet: use bigger hash table for IP ID generation
- tcp: deal better with delayed TX completions - make sure we don't
give up on fast TCP retransmissions only because driver is
slow in reporting that it completed transmitting the original
- tcp: reorder tcp_congestion_ops for better cache locality
- mptcp:
- add sockopt support for common TCP options
- add support for common TCP msg flags
- include multiple address ids in RM_ADDR
- add reset option support for resetting one subflow
- udp: GRO L4 improvements - improve 'forward' / 'frag_list'
co-existence with UDP tunnel GRO, allowing the first to take
place correctly even for encapsulated UDP traffic
- micro-optimize dev_gro_receive() and flow dissection, avoid
retpoline overhead on VLAN and TEB GRO
- use less memory for sysctls, add a new sysctl type, to allow using
u8 instead of "int" and "long" and shrink networking sysctls
- veth: allow GRO without XDP - this allows aggregating UDP
packets before handing them off to routing, bridge, OvS, etc.
- allow specifing ifindex when device is moved to another namespace
- netfilter:
- nft_socket: add support for cgroupsv2
- nftables: add catch-all set element - special element used
to define a default action in case normal lookup missed
- use net_generic infra in many modules to avoid allocating
per-ns memory unnecessarily
- xps: improve the xps handling to avoid potential out-of-bound
accesses and use-after-free when XPS change race with other
re-configuration under traffic
- add a config knob to turn off per-cpu netdev refcnt to catch
underflows in testing
Device APIs:
- add WWAN subsystem to organize the WWAN interfaces better and
hopefully start driving towards more unified and vendor-
-independent APIs
- ethtool:
- add interface for reading IEEE MIB stats (incl. mlx5 and
bnxt support)
- allow network drivers to dump arbitrary SFP EEPROM data,
current offset+length API was a poor fit for modern SFP
which define EEPROM in terms of pages (incl. mlx5 support)
- act_police, flow_offload: add support for packet-per-second
policing (incl. offload for nfp)
- psample: add additional metadata attributes like transit delay
for packets sampled from switch HW (and corresponding egress
and policy-based sampling in the mlxsw driver)
- dsa: improve support for sandwiched LAGs with bridge and DSA
- netfilter:
- flowtable: use direct xmit in topologies with IP
forwarding, bridging, vlans etc.
- nftables: counter hardware offload support
- Bluetooth:
- improvements for firmware download w/ Intel devices
- add support for reading AOSP vendor capabilities
- add support for virtio transport driver
- mac80211:
- allow concurrent monitor iface and ethernet rx decap
- set priority and queue mapping for injected frames
- phy: add support for Clause-45 PHY Loopback
- pci/iov: add sysfs MSI-X vector assignment interface
to distribute MSI-X resources to VFs (incl. mlx5 support)
New hardware/drivers:
- dsa: mv88e6xxx: add support for Marvell mv88e6393x -
11-port Ethernet switch with 8x 1-Gigabit Ethernet
and 3x 10-Gigabit interfaces.
- dsa: support for legacy Broadcom tags used on BCM5325, BCM5365
and BCM63xx switches
- Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches
- ath11k: support for QCN9074 a 802.11ax device
- Bluetooth: Broadcom BCM4330 and BMC4334
- phy: Marvell 88X2222 transceiver support
- mdio: add BCM6368 MDIO mux bus controller
- r8152: support RTL8153 and RTL8156 (USB Ethernet) chips
- mana: driver for Microsoft Azure Network Adapter (MANA)
- Actions Semi Owl Ethernet MAC
- can: driver for ETAS ES58X CAN/USB interfaces
Pure driver changes:
- add XDP support to: enetc, igc, stmmac
- add AF_XDP support to: stmmac
- virtio:
- page_to_skb() use build_skb when there's sufficient tailroom
(21% improvement for 1000B UDP frames)
- support XDP even without dedicated Tx queues - share the Tx
queues with the stack when necessary
- mlx5:
- flow rules: add support for mirroring with conntrack,
matching on ICMP, GTP, flex filters and more
- support packet sampling with flow offloads
- persist uplink representor netdev across eswitch mode
changes
- allow coexistence of CQE compression and HW time-stamping
- add ethtool extended link error state reporting
- ice, iavf: support flow filters, UDP Segmentation Offload
- dpaa2-switch:
- move the driver out of staging
- add spanning tree (STP) support
- add rx copybreak support
- add tc flower hardware offload on ingress traffic
- ionic:
- implement Rx page reuse
- support HW PTP time-stamping
- octeon: support TC hardware offloads - flower matching on ingress
and egress ratelimitting.
- stmmac:
- add RX frame steering based on VLAN priority in tc flower
- support frame preemption (FPE)
- intel: add cross time-stamping freq difference adjustment
- ocelot:
- support forwarding of MRP frames in HW
- support multiple bridges
- support PTP Sync one-step timestamping
- dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
learning, flooding etc.
- ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
SC7280 SoCs)
- mt7601u: enable TDLS support
- mt76:
- add support for 802.3 rx frames (mt7915/mt7615)
- mt7915 flash pre-calibration support
- mt7921/mt7663 runtime power management fixes
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core:
- bpf:
- allow bpf programs calling kernel functions (initially to
reuse TCP congestion control implementations)
- enable task local storage for tracing programs - remove the
need to store per-task state in hash maps, and allow tracing
programs access to task local storage previously added for
BPF_LSM
- add bpf_for_each_map_elem() helper, allowing programs to walk
all map elements in a more robust and easier to verify fashion
- sockmap: support UDP and cross-protocol BPF_SK_SKB_VERDICT
redirection
- lpm: add support for batched ops in LPM trie
- add BTF_KIND_FLOAT support - mostly to allow use of BTF on
s390 which has floats in its headers files
- improve BPF syscall documentation and extend the use of kdoc
parsing scripts we already employ for bpf-helpers
- libbpf, bpftool: support static linking of BPF ELF files
- improve support for encapsulation of L2 packets
- xdp: restructure redirect actions to avoid a runtime lookup,
improving performance by 4-8% in microbenchmarks
- xsk: build skb by page (aka generic zerocopy xmit) - improve
performance of software AF_XDP path by 33% for devices which don't
need headers in the linear skb part (e.g. virtio)
- nexthop: resilient next-hop groups - improve path stability on
next-hops group changes (incl. offload for mlxsw)
- ipv6: segment routing: add support for IPv4 decapsulation
- icmp: add support for RFC 8335 extended PROBE messages
- inet: use bigger hash table for IP ID generation
- tcp: deal better with delayed TX completions - make sure we don't
give up on fast TCP retransmissions only because driver is slow in
reporting that it completed transmitting the original
- tcp: reorder tcp_congestion_ops for better cache locality
- mptcp:
- add sockopt support for common TCP options
- add support for common TCP msg flags
- include multiple address ids in RM_ADDR
- add reset option support for resetting one subflow
- udp: GRO L4 improvements - improve 'forward' / 'frag_list'
co-existence with UDP tunnel GRO, allowing the first to take place
correctly even for encapsulated UDP traffic
- micro-optimize dev_gro_receive() and flow dissection, avoid
retpoline overhead on VLAN and TEB GRO
- use less memory for sysctls, add a new sysctl type, to allow using
u8 instead of "int" and "long" and shrink networking sysctls
- veth: allow GRO without XDP - this allows aggregating UDP packets
before handing them off to routing, bridge, OvS, etc.
- allow specifing ifindex when device is moved to another namespace
- netfilter:
- nft_socket: add support for cgroupsv2
- nftables: add catch-all set element - special element used to
define a default action in case normal lookup missed
- use net_generic infra in many modules to avoid allocating
per-ns memory unnecessarily
- xps: improve the xps handling to avoid potential out-of-bound
accesses and use-after-free when XPS change race with other
re-configuration under traffic
- add a config knob to turn off per-cpu netdev refcnt to catch
underflows in testing
Device APIs:
- add WWAN subsystem to organize the WWAN interfaces better and
hopefully start driving towards more unified and vendor-
independent APIs
- ethtool:
- add interface for reading IEEE MIB stats (incl. mlx5 and bnxt
support)
- allow network drivers to dump arbitrary SFP EEPROM data,
current offset+length API was a poor fit for modern SFP which
define EEPROM in terms of pages (incl. mlx5 support)
- act_police, flow_offload: add support for packet-per-second
policing (incl. offload for nfp)
- psample: add additional metadata attributes like transit delay for
packets sampled from switch HW (and corresponding egress and
policy-based sampling in the mlxsw driver)
- dsa: improve support for sandwiched LAGs with bridge and DSA
- netfilter:
- flowtable: use direct xmit in topologies with IP forwarding,
bridging, vlans etc.
- nftables: counter hardware offload support
- Bluetooth:
- improvements for firmware download w/ Intel devices
- add support for reading AOSP vendor capabilities
- add support for virtio transport driver
- mac80211:
- allow concurrent monitor iface and ethernet rx decap
- set priority and queue mapping for injected frames
- phy: add support for Clause-45 PHY Loopback
- pci/iov: add sysfs MSI-X vector assignment interface to distribute
MSI-X resources to VFs (incl. mlx5 support)
New hardware/drivers:
- dsa: mv88e6xxx: add support for Marvell mv88e6393x - 11-port
Ethernet switch with 8x 1-Gigabit Ethernet and 3x 10-Gigabit
interfaces.
- dsa: support for legacy Broadcom tags used on BCM5325, BCM5365 and
BCM63xx switches
- Microchip KSZ8863 and KSZ8873; 3x 10/100Mbps Ethernet switches
- ath11k: support for QCN9074 a 802.11ax device
- Bluetooth: Broadcom BCM4330 and BMC4334
- phy: Marvell 88X2222 transceiver support
- mdio: add BCM6368 MDIO mux bus controller
- r8152: support RTL8153 and RTL8156 (USB Ethernet) chips
- mana: driver for Microsoft Azure Network Adapter (MANA)
- Actions Semi Owl Ethernet MAC
- can: driver for ETAS ES58X CAN/USB interfaces
Pure driver changes:
- add XDP support to: enetc, igc, stmmac
- add AF_XDP support to: stmmac
- virtio:
- page_to_skb() use build_skb when there's sufficient tailroom
(21% improvement for 1000B UDP frames)
- support XDP even without dedicated Tx queues - share the Tx
queues with the stack when necessary
- mlx5:
- flow rules: add support for mirroring with conntrack, matching
on ICMP, GTP, flex filters and more
- support packet sampling with flow offloads
- persist uplink representor netdev across eswitch mode changes
- allow coexistence of CQE compression and HW time-stamping
- add ethtool extended link error state reporting
- ice, iavf: support flow filters, UDP Segmentation Offload
- dpaa2-switch:
- move the driver out of staging
- add spanning tree (STP) support
- add rx copybreak support
- add tc flower hardware offload on ingress traffic
- ionic:
- implement Rx page reuse
- support HW PTP time-stamping
- octeon: support TC hardware offloads - flower matching on ingress
and egress ratelimitting.
- stmmac:
- add RX frame steering based on VLAN priority in tc flower
- support frame preemption (FPE)
- intel: add cross time-stamping freq difference adjustment
- ocelot:
- support forwarding of MRP frames in HW
- support multiple bridges
- support PTP Sync one-step timestamping
- dsa: mv88e6xxx, dpaa2-switch: offload bridge port flags like
learning, flooding etc.
- ipa: add IPA v4.5, v4.9 and v4.11 support (Qualcomm SDX55, SM8350,
SC7280 SoCs)
- mt7601u: enable TDLS support
- mt76:
- add support for 802.3 rx frames (mt7915/mt7615)
- mt7915 flash pre-calibration support
- mt7921/mt7663 runtime power management fixes"
* tag 'net-next-5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2451 commits)
net: selftest: fix build issue if INET is disabled
net: netrom: nr_in: Remove redundant assignment to ns
net: tun: Remove redundant assignment to ret
net: phy: marvell: add downshift support for M88E1240
net: dsa: ksz: Make reg_mib_cnt a u8 as it never exceeds 255
net/sched: act_ct: Remove redundant ct get and check
icmp: standardize naming of RFC 8335 PROBE constants
bpf, selftests: Update array map tests for per-cpu batched ops
bpf: Add batched ops support for percpu array
bpf: Implement formatted output helpers with bstr_printf
seq_file: Add a seq_bprintf function
sfc: adjust efx->xdp_tx_queue_count with the real number of initialized queues
net:nfc:digital: Fix a double free in digital_tg_recv_dep_req
net: fix a concurrency bug in l2tp_tunnel_register()
net/smc: Remove redundant assignment to rc
mpls: Remove redundant assignment to err
llc2: Remove redundant assignment to rc
net/tls: Remove redundant initialization of record
rds: Remove redundant assignment to nr_sig
dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0
...
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|
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Linus Torvalds
|
d72cd4ad41 |
SCSI misc on 20210428
This series consists of the usual driver updates (ufs, target, tcmu, smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx). The major core change is using a sbitmap instead of an atomic for queue tracking. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCYInvqCYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishYh2AP0SgqqL WYZRT2oiyBOKD28v+ceOSiXvgjPlqABwVMC0BAEAn29/wNCxyvzZ1k/b0iPJ4M+S klkSxLzXKQLzJBgdK5w= =p5B/ -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This consists of the usual driver updates (ufs, target, tcmu, smartpqi, lpfc, zfcp, qla2xxx, mpt3sas, pm80xx). The major core change is using a sbitmap instead of an atomic for queue tracking" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (412 commits) scsi: target: tcm_fc: Fix a kernel-doc header scsi: target: Shorten ALUA error messages scsi: target: Fix two format specifiers scsi: target: Compare explicitly with SAM_STAT_GOOD scsi: sd: Introduce a new local variable in sd_check_events() scsi: dc395x: Open-code status_byte(u8) calls scsi: 53c700: Open-code status_byte(u8) calls scsi: smartpqi: Remove unused functions scsi: qla4xxx: Remove an unused function scsi: myrs: Remove unused functions scsi: myrb: Remove unused functions scsi: mpt3sas: Fix two kernel-doc headers scsi: fcoe: Suppress a compiler warning scsi: libfc: Fix a format specifier scsi: aacraid: Remove an unused function scsi: core: Introduce enum scsi_disposition scsi: core: Modify the scsi_send_eh_cmnd() return value for the SDEV_BLOCK case scsi: core: Rename scsi_softirq_done() into scsi_complete() scsi: core: Remove an incorrect comment scsi: core: Make the scsi_alloc_sgtables() documentation more accurate ... |
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Linus Torvalds
|
238da4d004 |
VFIO updates for v5.13-rc1
- Embed struct vfio_device into vfio driver structures (Jason Gunthorpe) - Make vfio_mdev type safe (Jason Gunthorpe) - Remove vfio-pci NVLink2 extensions for POWER9 (Christoph Hellwig) - Update vfio-pci IGD extensions for OpRegion 2.1+ (Fred Gao) - Various spelling/blank line fixes (Zhen Lei, Zhou Wang, Bhaskar Chowdhury) - Simplify unpin_pages error handling (Shenming Lu) - Fix i915 mdev Kconfig dependency (Arnd Bergmann) - Remove unused structure member (Keqian Zhu) -----BEGIN PGP SIGNATURE----- iQJPBAABCAA5FiEEQvbATlQL0amee4qQI5ubbjuwiyIFAmCJsEsbHGFsZXgud2ls bGlhbXNvbkByZWRoYXQuY29tAAoJECObm247sIsi4HEP/icVw+sKYvfYkN3D5+7+ J+IUtgdXSFaSmc9S8lj9gED68t6t5BhPMtdfSe9Tfvn/btyaYZ6uNwZGNqkaRCz8 97jLkDmTPzL2F8uiMT4OI/VY6mzcK5yKA0mYNcO+nXQyUNtpDDCCbTD9OfIu62i/ nVAu6u/Sj89zj66opZLTz1sxlYu/IQQ6olDlmgRAZ0JfUmpZLuNrSJbdv1nJZN0i uSAfNthSlgfMK/6hf9oW22GFjiJmnMVPnPd2wMceEq1N2F3Co9mNEhsMwqSZH3ra UQVJKRLA1NMhlee33Pkbsilmwk3lyTXI4GYw61y+TDi/CuOvNkym1BIW6WCQlQRi iOuMnaas3UOwi45pcqDNl9DRR+mfJc9I11auyAbznuw6omeZVxYHkWi94HRbJNzf zDJN94fcnafomHXe0NYJ33eSUrEeN7heNd5wvMkqQJEfHRpqUQf/xOGE9xBZXVAO Vl02C+qQt/fM0tds09lUOvMRjAYBRSaF2xcq6SEQYMXmfx9hcOrEUJUEWegy0NGN lq+Oa9mMxwHllDm9Wtn7vMx4KPqDm6dq3BwB45+S7bdQiDj0RiCohRLK9GC7YMzT K6dlKdYmed9dOnIzCw8R9PI/DDHRyG/mXgzFERkB5DTt1YVssYLTZnGL2lePwM9J BSqG2mMHzyYaHdaaVAWHH/vQ =y3PY -----END PGP SIGNATURE----- Merge tag 'vfio-v5.13-rc1' of git://github.com/awilliam/linux-vfio Pull VFIO updates from Alex Williamson: - Embed struct vfio_device into vfio driver structures (Jason Gunthorpe) - Make vfio_mdev type safe (Jason Gunthorpe) - Remove vfio-pci NVLink2 extensions for POWER9 (Christoph Hellwig) - Update vfio-pci IGD extensions for OpRegion 2.1+ (Fred Gao) - Various spelling/blank line fixes (Zhen Lei, Zhou Wang, Bhaskar Chowdhury) - Simplify unpin_pages error handling (Shenming Lu) - Fix i915 mdev Kconfig dependency (Arnd Bergmann) - Remove unused structure member (Keqian Zhu) * tag 'vfio-v5.13-rc1' of git://github.com/awilliam/linux-vfio: (43 commits) vfio/gvt: fix DRM_I915_GVT dependency on VFIO_MDEV vfio/iommu_type1: Remove unused pinned_page_dirty_scope in vfio_iommu vfio/mdev: Correct the function signatures for the mdev_type_attributes vfio/mdev: Remove kobj from mdev_parent_ops->create() vfio/gvt: Use mdev_get_type_group_id() vfio/gvt: Make DRM_I915_GVT depend on VFIO_MDEV vfio/mbochs: Use mdev_get_type_group_id() vfio/mdpy: Use mdev_get_type_group_id() vfio/mtty: Use mdev_get_type_group_id() vfio/mdev: Add mdev/mtype_get_type_group_id() vfio/mdev: Remove duplicate storage of parent in mdev_device vfio/mdev: Add missing error handling to dev_set_name() vfio/mdev: Reorganize mdev_device_create() vfio/mdev: Add missing reference counting to mdev_type vfio/mdev: Expose mdev_get/put_parent to mdev_private.h vfio/mdev: Use struct mdev_type in struct mdev_device vfio/mdev: Simplify driver registration vfio/mdev: Add missing typesafety around mdev_device vfio/mdev: Do not allow a mdev_type to have a NULL parent pointer vfio/mdev: Fix missing static's on MDEV_TYPE_ATTR's ... |
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Linus Torvalds
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fc05860628 |
for-5.13/drivers-2021-04-27
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Merge tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
- MD changes via Song:
- raid5 POWER fix
- raid1 failure fix
- UAF fix for md cluster
- mddev_find_or_alloc() clean up
- Fix NULL pointer deref with external bitmap
- Performance improvement for raid10 discard requests
- Fix missing information of /proc/mdstat
- rsxx const qualifier removal (Arnd)
- Expose allocated brd pages (Calvin)
- rnbd via Gioh Kim:
- Change maintainer
- Change domain address of maintainers' email
- Add polling IO mode and document update
- Fix memory leak and some bug detected by static code analysis
tools
- Code refactoring
- Series of floppy cleanups/fixes (Denis)
- s390 dasd fixes (Julian)
- kerneldoc fixes (Lee)
- null_blk double free (Lv)
- null_blk virtual boundary addition (Max)
- Remove xsysace driver (Michal)
- umem driver removal (Davidlohr)
- ataflop fixes (Dan)
- Revalidate disk removal (Christoph)
- Bounce buffer cleanups (Christoph)
- Mark lightnvm as deprecated (Christoph)
- mtip32xx init cleanups (Shixin)
- Various fixes (Tian, Gustavo, Coly, Yang, Zhang, Zhiqiang)
* tag 'for-5.13/drivers-2021-04-27' of git://git.kernel.dk/linux-block: (143 commits)
async_xor: increase src_offs when dropping destination page
drivers/block/null_blk/main: Fix a double free in null_init.
md/raid1: properly indicate failure when ending a failed write request
md-cluster: fix use-after-free issue when removing rdev
nvme: introduce generic per-namespace chardev
nvme: cleanup nvme_configure_apst
nvme: do not try to reconfigure APST when the controller is not live
nvme: add 'kato' sysfs attribute
nvme: sanitize KATO setting
nvmet: avoid queuing keep-alive timer if it is disabled
brd: expose number of allocated pages in debugfs
ataflop: fix off by one in ataflop_probe()
ataflop: potential out of bounds in do_format()
drbd: Fix fall-through warnings for Clang
block/rnbd: Use strscpy instead of strlcpy
block/rnbd-clt-sysfs: Remove copy buffer overlap in rnbd_clt_get_path_name
block/rnbd-clt: Remove max_segment_size
block/rnbd-clt: Generate kobject_uevent when the rnbd device state changes
block/rnbd-srv: Remove unused arguments of rnbd_srv_rdma_ev
Documentation/ABI/rnbd-clt: Add description for nr_poll_queues
...
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Linus Torvalds
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6c00292113 |
for-5.13/block-2021-04-27
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Merge tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Pretty quiet round this time, which is nice. In detail:
- Series revamping bounce buffer support (Christoph)
- Dead code removal (Christoph, Bart)
- Partition iteration revamp, now using xarray (Christoph)
- Passthrough request scheduler improvements (Lin)
- Series of BFQ improvements (Paolo)
- Fix ioprio task iteration (Peter)
- Various little tweaks and fixes (Tejun, Saravanan, Bhaskar, Max,
Nikolay)"
* tag 'for-5.13/block-2021-04-27' of git://git.kernel.dk/linux-block: (41 commits)
blk-iocost: don't ignore vrate_min on QD contention
blk-mq: Fix spurious debugfs directory creation during initialization
bfq/mq-deadline: remove redundant check for passthrough request
blk-mq: bypass IO scheduler's limit_depth for passthrough request
block: Remove an obsolete comment from sg_io()
block: move bio_list_copy_data to pktcdvd
block: remove zero_fill_bio_iter
block: add queue_to_disk() to get gendisk from request_queue
block: remove an incorrect check from blk_rq_append_bio
block: initialize ret in bdev_disk_changed
block: Fix sys_ioprio_set(.which=IOPRIO_WHO_PGRP) task iteration
block: remove disk_part_iter
block: simplify diskstats_show
block: simplify show_partition
block: simplify printk_all_partitions
block: simplify partition_overlaps
block: simplify partition removal
block: take bd_mutex around delete_partitions in del_gendisk
block: refactor blk_drop_partitions
block: move more syncing and invalidation to delete_partition
...
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Linus Torvalds
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6daa755f81 |
s390 updates for 5.13 merge window
- fix buffer size for in-kernel disassembler for ebpf programs. - fix two memory leaks in zcrypt driver. - expose PCI device UID as index, including an indicator if the uid is unique. - remove some oprofile leftovers. - improve stack unwinder tests. - don't use gcc atomic builtins anymore, just like all other architectures. Even though I'm sure the current code is ok, I totally dislike that s390 is the only architecture being special here; especially considering that there was a lengthly discussion about this topic and the outcome was not to use the builtins. Therefore open-code atomic ops again with inline assembly and switch to gcc builtins as soon as other architectures are doing. - couple of other changes to atomic and cmpxchg, and use atomic-instrumented.h for KASAN. - separate zbus creation, registration, and scanning in our PCI code which allows for cleaner and easier handling. - a rather large change to the vfio-ap code to fix circular locking dependencies when updating crypto masks. - move QAOB handling from qdio layer down to drivers. - add CRW inject facility to common I/O layer. This adds debugs files which allow to generate artificial events from user space for testing purposes. - increase SCLP console line length from 80 to 320 characters to avoid odd wrapped lines. - add protected virtualization guest and host indication files, which indicate either that a guest is running in pv mode or if the hypervisor is capable of starting pv guests. - various other small fixes and improvements all over the place. -----BEGIN PGP SIGNATURE----- iQIyBAABCAAdFiEECMNfWEw3SLnmiLkZIg7DeRspbsIFAmCICNwACgkQIg7DeRsp bsJgSQ/0Cn3KTymF8SJ7tXLpYBNHmZBL1sQ284pPNYmqluwephUaX643f/48RR5y rlbaewyHCbYyR+gwkUykuUQm/d+iwihip/uFmyEktr9JutOOS1RQKd8ujeyE2BUb aaDyE0J5VFYdd/ZA92n9FhkuNDOMZRFAK1SOfifT9jNWCl8iYz+pXV1Gx7LbJYVY KWfJ9D/zgzLoOTWhj4jWu8LutfLEqK+hq5nqxBII8APCV/QDYnjkwpwW01LoMtOv eHhtSz0JboFRk0FYf8oyR7AXQBz76+Ru3aivJNL7sr1S3N2yMSzNQbk/ATVBLER9 VMQX2TfGGT/Ln3P4rYEoP2vGITRn765wg4KWNB2u3pY2try12G39fmjzOwVfbxQw BDAcLwxU7Tw0vJY+yI6ZWkPDXcs+uAWQwNiYoMtfUPfMYLEpLFffbWGwdZPKZRrH fy4e5ZFuavZsZr8Zeu4WYILJZoDnvhbs59gPzaLBPKosR0ZGNi8q6bnztnqnrYhi Oirt6aPOOyEoN/IT2bO1sDhIzIpCorIwCMZTRIQzerFRcjJgy0xHM9MRYRLMj6iW xltgWNt01SbTm6pbimwMUnjN5AdMTbHlTSzD8G34eWO21cVgHGpndbcT/M3uemyy Wf034Er2eFqlhXyhiAYTnNhVGbd+YMido7eo/CbGvqCxNvmKbA== =e+mh -----END PGP SIGNATURE----- Merge tag 's390-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 updates from Heiko Carstens: - fix buffer size for in-kernel disassembler for ebpf programs. - fix two memory leaks in zcrypt driver. - expose PCI device UID as index, including an indicator if the uid is unique. - remove some oprofile leftovers. - improve stack unwinder tests. - don't use gcc atomic builtins anymore, just like all other architectures. Even though I'm sure the current code is ok, I totally dislike that s390 is the only architecture being special here; especially considering that there was a lengthly discussion about this topic and the outcome was not to use the builtins. Therefore open-code atomic ops again with inline assembly and switch to gcc builtins as soon as other architectures are doing. - couple of other changes to atomic and cmpxchg, and use atomic-instrumented.h for KASAN. - separate zbus creation, registration, and scanning in our PCI code which allows for cleaner and easier handling. - a rather large change to the vfio-ap code to fix circular locking dependencies when updating crypto masks. - move QAOB handling from qdio layer down to drivers. - add CRW inject facility to common I/O layer. This adds debugs files which allow to generate artificial events from user space for testing purposes. - increase SCLP console line length from 80 to 320 characters to avoid odd wrapped lines. - add protected virtualization guest and host indication files, which indicate either that a guest is running in pv mode or if the hypervisor is capable of starting pv guests. - various other small fixes and improvements all over the place. * tag 's390-5.13-1' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (53 commits) s390/disassembler: increase ebpf disasm buffer size s390/archrandom: add parameter check for s390_arch_random_generate s390/zcrypt: fix zcard and zqueue hot-unplug memleak s390/pci: expose a PCI device's UID as its index s390/atomic,cmpxchg: always inline __xchg/__cmpxchg s390/smp: fix do_restart() prototype s390: get rid of oprofile leftovers s390/atomic,cmpxchg: make constraints work with old compilers s390/test_unwind: print test suite start/end info s390/cmpxchg: use unsigned long values instead of void pointers s390/test_unwind: add WARN if tests failed s390/test_unwind: unify error handling paths s390: update defconfigs s390/spinlock: use R constraint in inline assembly s390/atomic,cmpxchg: switch to use atomic-instrumented.h s390/cmpxchg: get rid of gcc atomic builtins s390/atomic: get rid of gcc atomic builtins s390/atomic: use proper constraints s390/atomic: move remaining inline assemblies to atomic_ops.h s390/bitops: make bitops only work on longs ... |
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Harald Freudenberger
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70fac8088c |
s390/zcrypt: fix zcard and zqueue hot-unplug memleak
Tests with kvm and a kmemdebug kernel showed, that on hot unplug the
zcard and zqueue structs for the unplugged card or queue are not
properly freed because of a mismatch with get/put for the embedded
kref counter.
This fix now adjusts the handling of the kref counters. With init the
kref counter starts with 1. This initial value needs to drop to zero
with the unregister of the card or queue to trigger the release and
free the object.
Fixes:
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Julian Wiedmann
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b3f0a1ee9e |
scsi: zfcp: Lift Request Queue tasklet & timer from qdio
The qdio layer currently provides its own infrastructure to scan for Request Queue completions & to report them to the device driver. This comes with several drawbacks - having an async tasklet & timer construct in qdio introduces additional lifetime complexity, and makes it harder to integrate them with the rest of the device driver. The timeouts are also currently hard-coded, and can't be tweaked without affecting other qdio drivers (ie. qeth). But due to recent enhancements to the qdio layer, zfcp can actually take full control of the Request Queue completion processing. It merely needs to opt-out from the qdio layer mechanisms by setting the scan_threshold to 0, and then use qdio_inspect_queue() to scan for completions. So re-implement the tasklet & timer mechanism in zfcp, while initially copying the scan conditions from qdio's handle_outbound() and qdio_outbound_tasklet(). One minor behavioural change is that zfcp_qdio_send() will unconditionally reduce the timeout to 1 HZ, rather than leaving it at 10 Hz if it was last armed by the tasklet. This just makes things more consistent. Also note that we can drop a lot of the accumulated cruft in qdio_outbound_tasklet(), as zfcp doesn't even use PCI interrupt requests any longer. This also slightly touches the Response Queue processing, as qdio_get_next_buffers() will no longer implicitly scan for Request Queue completions. So complete the migration to qdio_inspect_queue() here as well and make the tasklet_schedule() visible. Link: https://lore.kernel.org/r/018d3ddd029f8d6ac00cf4184880288c637c4fd1.1618417667.git.bblock@linux.ibm.com Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Qinglang Miao
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be46e39ae3 |
scsi: zfcp: Move the position of put_device()
Place the put_device() call after device_unregister() in both zfcp_unit_remove() and zfcp_sysfs_port_remove_store() to make it more natural. put_device() ought to be the last time we touch the object in both functions. Add comments after put_device() to make code clearer. Link: https://lore.kernel.org/r/0a568c7733ba0f1dde28b0c663b90270d44dd540.1618417667.git.bblock@linux.ibm.com Suggested-by: Steffen Maier <maier@linux.ibm.com> Suggested-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Julian Wiedmann
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20540a5645 |
scsi: zfcp: Clean up sysfs code for SFP diagnostics
The error path from zfcp_adapter_enqueue() no longer attempts to remove the diagnostics attributes if they haven't been created yet. So remove the manual 'sysfs_established' guard for this case, and use device_add_groups() to add all adapter-related sysfs attributes in one go. Link: https://lore.kernel.org/r/37a97537f675d643006271f37723c346189b6eec.1618417667.git.bblock@linux.ibm.com Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Reviewed-by: Steffen Maier <maier@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Julian Wiedmann
|
ab1fa88062 |
scsi: zfcp: Fix sysfs roll-back on error in zfcp_adapter_enqueue()
When zfcp_adapter_enqueue() fails to create the zfcp_sysfs_adapter_attrs group, it calls zfcp_adapter_unregister() to tear down the adapter state again. This then unconditionally attempts to remove the zfcp_sysfs_adapter_attrs group, resulting in a "group not found" WARN from sysfs code. Avoid this by copying most of zfcp_adapter_unregister() into the error path, allowing for more fine-granular roll-back. Then skip the sysfs tear-down steps if we haven't progressed this far in the initialization. Link: https://lore.kernel.org/r/790922cc3af075795fff9a4b787e6bda19bdb3be.1618417667.git.bblock@linux.ibm.com Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Reviewed-by: Steffen Maier <maier@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Yevhen Viktorov
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8824db894d |
scsi: zfcp: Fix indentation coding style issue
Code indentation should use tabs where possible. Link: https://lore.kernel.org/r/e8a15a2f3d64e2e76a214647cfd4fe23d370b165.1618417667.git.bblock@linux.ibm.com Signed-off-by: Yevhen Viktorov <yevhen.viktorov@virginmedia.com> Signed-off-by: Steffen Maier <maier@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Julian Wiedmann
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91cf21ec6d |
scsi: zfcp: Remove unneeded INIT_LIST_HEAD() for FSF requests
INIT_LIST_HEAD() is only needed for actual list heads, while req->list is used as a list entry. Note that when the error path in zfcp_fsf_req_send() removes the request from the adapter's list of pending requests, it actually looks up the request from the zfcp_reqlist - rather than just calling list_del(). So there's no risk of us calling list_del() on a request that hasn't been added to any list yet. Link: https://lore.kernel.org/r/254dc0ae28dccc43ab0b1079ef2c8dcb5fe1d2e4.1618417667.git.bblock@linux.ibm.com Reviewed-by: Benjamin Block <bblock@linux.ibm.com> Reviewed-by: Steffen Maier <maier@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Jason Gunthorpe
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9169cff168 |
vfio/mdev: Correct the function signatures for the mdev_type_attributes
The driver core standard is to pass in the properly typed object, the properly typed attribute and the buffer data. It stems from the root kobject method: ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr,..) Each subclass of kobject should provide their own function with the same signature but more specific types, eg struct device uses: ssize_t (*show)(struct device *dev, struct device_attribute *attr,..) In this case the existing signature is: ssize_t (*show)(struct kobject *kobj, struct device *dev,..) Where kobj is a 'struct mdev_type *' and dev is 'mdev_type->parent->dev'. Change the mdev_type related sysfs attribute functions to: ssize_t (*show)(struct mdev_type *mtype, struct mdev_type_attribute *attr,..) In order to restore type safety and match the driver core standard There are no current users of 'attr', but if it is ever needed it would be hard to add in retroactively, so do it now. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Message-Id: <18-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Jason Gunthorpe
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c2ef2f50ad |
vfio/mdev: Remove kobj from mdev_parent_ops->create()
The kobj here is a type-erased version of mdev_type, which is already stored in the struct mdev_device being passed in. It was only ever used to compute the type_group_id, which is now extracted directly from the mdev. Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> Message-Id: <17-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> |
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Vineeth Vijayan
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3081e61605 |
s390/cio: use DECLARE_WAIT_QUEUE_HEAD for static work_queue_head_t
Use DECLARE_WAIT_QUEUE_HEAD to declare and statically initialize the work_queue_head_t. Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Christoph Hellwig
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b896fa85e0 |
dasd: use bdev_disk_changed instead of blk_drop_partitions
Use the more general interface - the behavior is the same except that now a change uevent is sent, which is the right thing to do when the device becomes unusable. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stefan Haberland <sth@linux.ibm.com> Link: https://lore.kernel.org/r/20210406062303.811835-2-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Vineeth Vijayan
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8bc00c04d8 |
s390/sclp: use LIST_HEAD for Initialization
For static initialization of list_head variable, use LIST_HEAD instead of INIT_LIST_HEAD function. Suggested-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Vineeth Vijayan
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7dd8ed0943 |
s390: use DEFINE_SPINLOCK for initialization
For static initialization of spinlock_t variable, use DEFINE_SPINLOCK instead of explicitly calling spin_lock_init(). Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Tony Krowiak
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0cc00c8d40 |
s390/vfio-ap: fix circular lockdep when setting/clearing crypto masks
This patch fixes a lockdep splat introduced by commit |
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Shixin Liu
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4e774d59e5 |
s390/cio: use DECLARE_WAIT_QUEUE_HEAD() for wait_queue
wait_queue_head_t can be initialized automatically with DECLARE_WAIT_QUEUE_HEAD() rather than explicitly calling init_waitqueue_head(). Signed-off-by: Shixin Liu <liushixin2@huawei.com> Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Shixin Liu
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1034c96c5e |
s390/cio: use DEFINE_SPINLOCK() for spinlock
static spinlock can be initialized automatically with DEFINE_SPINLOCK() rather than explicitly calling spin_lock_init(). Signed-off-by: Shixin Liu <liushixin2@huawei.com> Acked-by: Vineeth Vijayan <vneethv@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Greg Kroah-Hartman
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9594408763 |
Merge 5.12-rc6 into tty-next
We need the serial/tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Taehee Yoo
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88e2ca3080 |
mld: convert ifmcaddr6 to RCU
The ifmcaddr6 has been protected by inet6_dev->lock(rwlock) so that the critical section is atomic context. In order to switch this context, changing locking is needed. The ifmcaddr6 actually already protected by RTNL So if it's converted to use RCU, its control path context can be switched to sleepable. Suggested-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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David S. Miller
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efd13b71a3 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Signed-off-by: David S. Miller <davem@davemloft.net> |
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Julian Wiedmann
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396c100472 |
s390/qdio: let driver manage the QAOB
We are spending way too much effort on qdio-internal bookkeeping for QAOB management & caching, and it's still not robust. Once qdio's TX path has detached the QAOB from a PENDING buffer, we lost all track of it until it shows up in a CQ notification again. So if the device is torn down before that notification arrives, we leak the QAOB. Just have the driver take care of it, and simply pass down a QAOB if they want a TX with async-completion capability. For a buffer in PENDING state that requires the QAOB for final completion, qeth can now also try to recycle the buffer's QAOB rather than unconditionally freeing it. This also eliminates the qdio_outbuf_state array, which was only needed to transfer the aob->user1 tag from the driver to the qdio layer. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Acked-by: Benjamin Block <bblock@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Vineeth Vijayan
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a4f17cc726 |
s390/cio: add CRW inject functionality
This patch introduces the mechanism to inject artificial events to the
CIO layer.
One of the main-event type which triggers the CommonIO operations are
Channel Report events. When a malfunction or other condition affecting
channel-subsystem operation is recognized, a Channel Report Word
(consisting of one or more CRWs) describing the condition is made
pending for retrieval and analysis by the program. The CRW contains
information concerning the identity and state of a facility following
the detection of the malfunction or other condition.
The patch introduces two debugfs interfaces which can be used to inject
'artificial' events from the userspace. It is intended to provide an easy
means to increase the test coverage for CIO code. And this functionality
can be enabled via a new configuration option CONFIG_CIO_INJECT.
The newly introduces debugfs interfaces can be used as mentioned below
to generate different fake-events. To use the crw_inject, first we should
enable it by using enable_inject interface.
i.e
echo 1 > /sys/kernel/debug/s390/cio/enable_inject
After the first step, user can simulate CRW as follows:
echo <solicited> <overflow> <chaining> <rsc> <ancillary> <erc> <rsid> \
> /sys/kernel/debug/s390/cio/crw_inject
Example:
A permanent error ERC on CHPID 0x60 would look like this:
echo 0 0 0 4 0 6 0x60 > /sys/kernel/debug/s390/cio/crw_inject
and an initialized ERC on the same CHPID:
echo 0 0 0 4 0 2 0x60 > /sys/kernel/debug/s390/cio/crw_inject
Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com>
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Vineeth Vijayan
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64a715ab4e |
s390/cio: introduce CIO debugfs directory
This patch introduces an s390 Common I/O layer debugfs directory that is intended to provide access to debugging-related CIO functions and data. The directory is created as /sys/kernel/debug/s390/cio Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com> |
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Peter Oberparleiter
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98ce70b769 |
s390/sclp: increase sclp console line length
Kernel and console/TTY messages written to the SCLP line mode console
are wrapped at 80 characters per line by the associated SCLP driver.
This makes long lines of output difficult to read, and requires editing
of wrapped lines copied from the output device.
Neither the firmware interface used to access the SCLP console, nor the
HMC "Operating System Messages" web interface that displays these
messages require such a length limit. Also other operating systems such
as z/VM do not impose similar limits on messages they emit to the same
console device.
This patch therefore increases the limit to 320 characters per line to
make SCLP line mode console output more readable. As a result 99% of
lines written during a typical boot will not be wrapped, compared to
about 50% wrapped lines at 80 characters per line. Another positive
side-effect of this change is that the HMC console interface is able to
keep more messages in its history buffer due to fewer line-breaks being
generated.
In a worst case scenario this means that a 4k console buffer is emitted
with the last ~400 bytes empty (320 text + 78 headers). This is more
than offset by the fact that each line that is not truncated saves 78
header bytes in the buffer. As a result the actual number of emitted
buffers should be about the same as with the 80 character limit.
This patch also removes the differentiation between line lengths of
SCLP line mode output on z/VM and non-z/VM systems. While the z/VM
hypervisor adds a prefix in front of each line ('xx: ' where xx is the
number of the CPU issuing the message), adjusting Linux line lengths did
not significantly increase readability of console output, and makes even
less of a difference with longer lines.
Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Acked-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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Julian Wiedmann
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d96a8c693d |
s390/qeth: remove RX VLAN filter stubs in L3 driver
The callbacks have been slimmed down to a level where they no longer do any actual work. So stop pretending that we support the NETIF_F_HW_VLAN_CTAG_FILTER feature. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Julian Wiedmann
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ad4bbd7285 |
s390/qeth: enable napi_consume_skb() for pending TX buffers
Pending TX buffers are completed from the same NAPI code as normal TX buffers. Pass the NAPI budget to qeth_tx_complete_buf() so that the freeing of the completed skbs can be deferred. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Julian Wiedmann
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e47ded97f9 |
s390/qeth: allocate initial TX Buffer structs with GFP_KERNEL
qeth_init_qdio_out_buf() is typically called during initialization, and the GFP_ATOMIC is only needed for a very specific & rare case during TX completion. Allow callers to specify a gfp mask, so that the initialization path can select GFP_KERNEL. While at it also clarify the function name. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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Leon Romanovsky
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6417f03132 |
module: remove never implemented MODULE_SUPPORTED_DEVICE
MODULE_SUPPORTED_DEVICE was added in pre-git era and never was implemented. We can safely remove it, because the kernel has grown to have many more reliable mechanisms to determine if device is supported or not. Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Julian Wiedmann
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1987c55139 |
s390/dasd: let driver core manage the sysfs attributes
Wire up device_driver->dev_groups, so that really_probe() creates the sysfs attributes for us automatically. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Link: https://lore.kernel.org/r/20210316094513.2601218-3-sth@linux.ibm.com Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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Julian Wiedmann
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86f0a011e5 |
s390/dasd: remove dasd_fba_probe() wrapper
commit
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Greg Kroah-Hartman
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280def1e1c |
Merge 5.12-rc3 into tty-next
Resolves a merge issue with: drivers/tty/hvc/hvcs.c and we want the tty/serial fixes from 5.12-rc3 in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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ce307084c9 |
block-5.12-2021-03-12-v2
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Merge tag 'block-5.12-2021-03-12-v2' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Mostly just random fixes all over the map.
The only odd-one-out change is finally getting the rename of
BIO_MAX_PAGES to BIO_MAX_VECS done. This should've been done with the
multipage bvec change, but it's been left.
Do it now to avoid hassles around changes piling up for the next merge
window.
Summary:
- NVMe pull request:
- one more quirk (Dmitry Monakhov)
- fix max_zone_append_sectors initialization (Chaitanya Kulkarni)
- nvme-fc reset/create race fix (James Smart)
- fix status code on aborts/resets (Hannes Reinecke)
- fix the CSS check for ZNS namespaces (Chaitanya Kulkarni)
- fix a use after free in a debug printk in nvme-rdma (Lv Yunlong)
- Follow-up NVMe error fix for NULL 'id' (Christoph)
- Fixup for the bd_size_lock being IRQ safe, now that the offending
driver has been dropped (Damien).
- rsxx probe failure error return (Jia-Ju)
- umem probe failure error return (Wei)
- s390/dasd unbind fixes (Stefan)
- blk-cgroup stats summing fix (Xunlei)
- zone reset handling fix (Damien)
- Rename BIO_MAX_PAGES to BIO_MAX_VECS (Christoph)
- Suppress uevent trigger for hidden devices (Daniel)
- Fix handling of discard on busy device (Jan)
- Fix stale cache issue with zone reset (Shin'ichiro)"
* tag 'block-5.12-2021-03-12-v2' of git://git.kernel.dk/linux-block:
nvme: fix the nsid value to print in nvme_validate_or_alloc_ns
block: Discard page cache of zone reset target range
block: Suppress uevent for hidden device when removed
block: rename BIO_MAX_PAGES to BIO_MAX_VECS
nvme-pci: add the DISABLE_WRITE_ZEROES quirk for a Samsung PM1725a
nvme-rdma: Fix a use after free in nvmet_rdma_write_data_done
nvme-core: check ctrl css before setting up zns
nvme-fc: fix racing controller reset and create association
nvme-fc: return NVME_SC_HOST_ABORTED_CMD when a command has been aborted
nvme-fc: set NVME_REQ_CANCELLED in nvme_fc_terminate_exchange()
nvme: add NVME_REQ_CANCELLED flag in nvme_cancel_request()
nvme: simplify error logic in nvme_validate_ns()
nvme: set max_zone_append_sectors nvme_revalidate_zones
block: rsxx: fix error return code of rsxx_pci_probe()
block: Fix REQ_OP_ZONE_RESET_ALL handling
umem: fix error return code in mm_pci_probe()
blk-cgroup: Fix the recursive blkg rwstat
s390/dasd: fix hanging IO request during DASD driver unbind
s390/dasd: fix hanging DASD driver unbind
block: Try to handle busy underlying device on discard
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Linus Torvalds
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a74e6a014c |
s390 updates for 5.12-rc3
- fix various user space visible copy_to_user() instances which return the
number of bytes left to copy instead of -EFAULT
- make TMPFS_INODE64 available again for s390 and alpha, now that both
architectures have been switched to 64-bit ino_t
see commit
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Jiri Slaby
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2daedb1d1e |
tty: con3215, remove tty->driver_data casts
Casts of 'void *' pointer are superfluous. So remove them. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210302062214.29627-20-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Jiri Slaby
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56e9d0f95a |
tty: con3215, remove unneeded tty checks
There is no need to check tty in these functions as it's always non-NULL. So remove the tests. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210302062214.29627-19-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Jiri Slaby
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51f62a311c |
tty: con3215, remove tasklet for tty_wakeup
tty_wakeup is safe to be called from all contexts. No need to schedule a tasklet for that. Let us call it directly like in other drivers. And delete the tasklet completely. Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: linux390@de.ibm.com Cc: linux-s390@vger.kernel.org Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20210302062214.29627-18-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Linus Torvalds
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05a59d7979 |
Merge git://git.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:
1) Fix transmissions in dynamic SMPS mode in ath9k, from Felix Fietkau.
2) TX skb error handling fix in mt76 driver, also from Felix.
3) Fix BPF_FETCH atomic in x86 JIT, from Brendan Jackman.
4) Avoid double free of percpu pointers when freeing a cloned bpf prog.
From Cong Wang.
5) Use correct printf format for dma_addr_t in ath11k, from Geert
Uytterhoeven.
6) Fix resolve_btfids build with older toolchains, from Kun-Chuan
Hsieh.
7) Don't report truncated frames to mac80211 in mt76 driver, from
Lorenzop Bianconi.
8) Fix watcdog timeout on suspend/resume of stmmac, from Joakim Zhang.
9) mscc ocelot needs NET_DEVLINK selct in Kconfig, from Arnd Bergmann.
10) Fix sign comparison bug in TCP_ZEROCOPY_RECEIVE getsockopt(), from
Arjun Roy.
11) Ignore routes with deleted nexthop object in mlxsw, from Ido
Schimmel.
12) Need to undo tcp early demux lookup sometimes in nf_nat, from
Florian Westphal.
13) Fix gro aggregation for udp encaps with zero csum, from Daniel
Borkmann.
14) Make sure to always use imp*_ndo_send when necessaey, from Jason A.
Donenfeld.
15) Fix TRSCER masks in sh_eth driver from Sergey Shtylyov.
16) prevent overly huge skb allocationsd in qrtr, from Pavel Skripkin.
17) Prevent rx ring copnsumer index loss of sync in enetc, from Vladimir
Oltean.
18) Make sure textsearch copntrol block is large enough, from Wilem de
Bruijn.
19) Revert MAC changes to r8152 leading to instability, from Hates Wang.
20) Advance iov in 9p even for empty reads, from Jissheng Zhang.
21) Double hook unregister in nftables, from PabloNeira Ayuso.
22) Fix memleak in ixgbe, fropm Dinghao Liu.
23) Avoid dups in pkt scheduler class dumps, from Maximilian Heyne.
24) Various mptcp fixes from Florian Westphal, Paolo Abeni, and Geliang
Tang.
25) Fix DOI refcount bugs in cipso, from Paul Moore.
26) One too many irqsave in ibmvnic, from Junlin Yang.
27) Fix infinite loop with MPLS gso segmenting via virtio_net, from
Balazs Nemeth.
* git://git.kernel.org:/pub/scm/linux/kernel/git/netdev/net: (164 commits)
s390/qeth: fix notification for pending buffers during teardown
s390/qeth: schedule TX NAPI on QAOB completion
s390/qeth: improve completion of pending TX buffers
s390/qeth: fix memory leak after failed TX Buffer allocation
net: avoid infinite loop in mpls_gso_segment when mpls_hlen == 0
net: check if protocol extracted by virtio_net_hdr_set_proto is correct
net: dsa: xrs700x: check if partner is same as port in hsr join
net: lapbether: Remove netif_start_queue / netif_stop_queue
atm: idt77252: fix null-ptr-dereference
atm: uPD98402: fix incorrect allocation
atm: fix a typo in the struct description
net: qrtr: fix error return code of qrtr_sendmsg()
mptcp: fix length of ADD_ADDR with port sub-option
net: bonding: fix error return code of bond_neigh_init()
net: enetc: allow hardware timestamping on TX queues with tc-etf enabled
net: enetc: set MAC RX FIFO to recommended value
net: davicom: Use platform_get_irq_optional()
net: davicom: Fix regulator not turned off on driver removal
net: davicom: Fix regulator not turned off on failed probe
net: dsa: fix switchdev objects on bridge master mistakenly being applied on ports
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Julian Wiedmann
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7eefda7f35 |
s390/qeth: fix notification for pending buffers during teardown
The cited commit reworked the state machine for pending TX buffers.
In qeth_iqd_tx_complete() it turned PENDING into a transient state, and
uses NEED_QAOB for buffers that get parked while waiting for their QAOB
completion.
But it missed to adjust the check in qeth_tx_complete_buf(). So if
qeth_tx_complete_pending_bufs() is called during teardown to drain
the parked TX buffers, we no longer raise a notification for af_iucv.
Instead of updating the checked state, just move this code into
qeth_tx_complete_pending_bufs() itself. This also gets rid of the
special-case in the common TX completion path.
Fixes:
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Julian Wiedmann
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3e83d467a0 |
s390/qeth: schedule TX NAPI on QAOB completion
When a QAOB notifies us that a pending TX buffer has been delivered, the
actual TX completion processing by qeth_tx_complete_pending_bufs()
is done within the context of a TX NAPI instance. We shouldn't rely on
this instance being scheduled by some other TX event, but just do it
ourselves.
qeth_qdio_handle_aob() is called from qeth_poll(), ie. our main NAPI
instance. To avoid touching the TX queue's NAPI instance
before/after it is (un-)registered, reorder the code in qeth_open()
and qeth_stop() accordingly.
Fixes:
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Julian Wiedmann
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c20383ad16 |
s390/qeth: improve completion of pending TX buffers
The current design attaches a pending TX buffer to a custom
single-linked list, which is anchored at the buffer's slot on the
TX ring. The buffer is then checked for final completion whenever
this slot is processed during a subsequent TX NAPI poll cycle.
But if there's insufficient traffic on the ring, we might never make
enough progress to get back to this ring slot and discover the pending
buffer's final TX completion. In particular if this missing TX
completion blocks the application from sending further traffic.
So convert the custom single-linked list code to a per-queue list_head,
and scan this list on every TX NAPI cycle.
Fixes:
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Julian Wiedmann
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e7a36d27f6 |
s390/qeth: fix memory leak after failed TX Buffer allocation
When qeth_alloc_qdio_queues() fails to allocate one of the buffers that
back an Output Queue, the 'out_freeoutqbufs' path will free all
previously allocated buffers for this queue. But it misses to free the
half-finished queue struct itself.
Move the buffer allocation into qeth_alloc_output_queue(), and deal with
such errors internally.
Fixes:
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