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2022-07-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-28dm bufio: Add DM_BUFIO_CLIENT_NO_SLEEP flagNathan Huckleberry
Add an optional flag that ensures dm_bufio_client does not sleep (primary focus is to service dm_bufio_get without sleeping). This allows the dm-bufio cache to be queried from interrupt context. To ensure that dm-bufio does not sleep, dm-bufio must use a spinlock instead of a mutex. Additionally, to avoid deadlocks, special care must be taken so that dm-bufio does not sleep while holding the spinlock. But again: the scope of this no_sleep is initially confined to dm_bufio_get, so __alloc_buffer_wait_no_callback is _not_ changed to avoid sleeping because __bufio_new avoids allocation for NF_GET. Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2022-07-28dm bufio: Add flags argument to dm_bufio_client_createNathan Huckleberry
Add a flags argument to dm_bufio_client_create and update all the callers. This is in preparation to add the DM_BUFIO_NO_SLEEP flag. Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2022-07-28dm: fix dm-raid crash if md_handle_request() splits bioMike Snitzer
Commit ca522482e3eaf ("dm: pass NULL bdev to bio_alloc_clone") introduced the optimization to _not_ perform bio_associate_blkg()'s relatively costly work when DM core clones its bio. But in doing so it exposed the possibility for DM's cloned bio to alter DM target behavior (e.g. crash) if a target were to issue IO without first calling bio_set_dev(). The DM raid target can trigger an MD crash due to its need to split the DM bio that is passed to md_handle_request(). The split will recurse to submit_bio_noacct() using a bio with an uninitialized ->bi_blkg. This NULL bio->bi_blkg causes blk_throtl_bio() to dereference a NULL blkg_to_tg(bio->bi_blkg). Fix this in DM core by adding a new 'needs_bio_set_dev' target flag that will make alloc_tio() call bio_set_dev() on behalf of the target. dm-raid is the only target that requires this flag. bio_set_dev() initializes the DM cloned bio's ->bi_blkg, using bio_associate_blkg, before passing the bio to md_handle_request(). Long-term fix would be to audit and refactor MD code to rely on DM to split its bio, using dm_accept_partial_bio(), but there are MD raid personalities (e.g. raid1 and raid10) whose implementation are tightly coupled to handling the bio splitting inline. Fixes: ca522482e3eaf ("dm: pass NULL bdev to bio_alloc_clone") Cc: stable@vger.kernel.org Signed-off-by: Mike Snitzer <snitzer@kernel.org>
2022-07-28Merge tag 'net-5.19-final' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from bluetooth and netfilter, no known blockers for the release. Current release - regressions: - wifi: mac80211: do not abuse fq.lock in ieee80211_do_stop(), fix taking the lock before its initialized - Bluetooth: mgmt: fix double free on error path Current release - new code bugs: - eth: ice: fix tunnel checksum offload with fragmented traffic Previous releases - regressions: - tcp: md5: fix IPv4-mapped support after refactoring, don't take the pure v6 path - Revert "tcp: change pingpong threshold to 3", improving detection of interactive sessions - mld: fix netdev refcount leak in mld_{query | report}_work() due to a race - Bluetooth: - always set event mask on suspend, avoid early wake ups - L2CAP: fix use-after-free caused by l2cap_chan_put - bridge: do not send empty IFLA_AF_SPEC attribute Previous releases - always broken: - ping6: fix memleak in ipv6_renew_options() - sctp: prevent null-deref caused by over-eager error paths - virtio-net: fix the race between refill work and close, resulting in NAPI scheduled after close and a BUG() - macsec: - fix three netlink parsing bugs - avoid breaking the device state on invalid change requests - fix a memleak in another error path Misc: - dt-bindings: net: ethernet-controller: rework 'fixed-link' schema - two more batches of sysctl data race adornment" * tag 'net-5.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (67 commits) stmmac: dwmac-mediatek: fix resource leak in probe ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptr net: ping6: Fix memleak in ipv6_renew_options(). net/funeth: Fix fun_xdp_tx() and XDP packet reclaim sctp: leave the err path free in sctp_stream_init to sctp_stream_free sfc: disable softirqs for ptp TX ptp: ocp: Select CRC16 in the Kconfig. tcp: md5: fix IPv4-mapped support virtio-net: fix the race between refill work and close mptcp: Do not return EINPROGRESS when subflow creation succeeds Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put Bluetooth: Always set event mask on suspend Bluetooth: mgmt: Fix double free on error path wifi: mac80211: do not abuse fq.lock in ieee80211_do_stop() ice: do not setup vlan for loopback VSI ice: check (DD | EOF) bits on Rx descriptor rather than (EOP | RS) ice: Fix VSIs unable to share unicast MAC ice: Fix tunnel checksum offload with fragmented traffic ice: Fix max VLANs available for VF netfilter: nft_queue: only allow supported familes and hooks ...
2022-07-28platform/x86: pmc_atom: Fix comment typoXin Gao
The double `of' is duplicated in line 50, remove one. Signed-off-by: Xin Gao <gaoxin@cdjrlc.com> Link: https://lore.kernel.org/r/20220722022337.15903-1-gaoxin@cdjrlc.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-07-28ipv6/addrconf: fix a null-ptr-deref bug for ip6_ptrZiyang Xuan
Change net device's MTU to smaller than IPV6_MIN_MTU or unregister device while matching route. That may trigger null-ptr-deref bug for ip6_ptr probability as following. ========================================================= BUG: KASAN: null-ptr-deref in find_match.part.0+0x70/0x134 Read of size 4 at addr 0000000000000308 by task ping6/263 CPU: 2 PID: 263 Comm: ping6 Not tainted 5.19.0-rc7+ #14 Call trace: dump_backtrace+0x1a8/0x230 show_stack+0x20/0x70 dump_stack_lvl+0x68/0x84 print_report+0xc4/0x120 kasan_report+0x84/0x120 __asan_load4+0x94/0xd0 find_match.part.0+0x70/0x134 __find_rr_leaf+0x408/0x470 fib6_table_lookup+0x264/0x540 ip6_pol_route+0xf4/0x260 ip6_pol_route_output+0x58/0x70 fib6_rule_lookup+0x1a8/0x330 ip6_route_output_flags_noref+0xd8/0x1a0 ip6_route_output_flags+0x58/0x160 ip6_dst_lookup_tail+0x5b4/0x85c ip6_dst_lookup_flow+0x98/0x120 rawv6_sendmsg+0x49c/0xc70 inet_sendmsg+0x68/0x94 Reproducer as following: Firstly, prepare conditions: $ip netns add ns1 $ip netns add ns2 $ip link add veth1 type veth peer name veth2 $ip link set veth1 netns ns1 $ip link set veth2 netns ns2 $ip netns exec ns1 ip -6 addr add 2001:0db8:0:f101::1/64 dev veth1 $ip netns exec ns2 ip -6 addr add 2001:0db8:0:f101::2/64 dev veth2 $ip netns exec ns1 ifconfig veth1 up $ip netns exec ns2 ifconfig veth2 up $ip netns exec ns1 ip -6 route add 2000::/64 dev veth1 metric 1 $ip netns exec ns2 ip -6 route add 2001::/64 dev veth2 metric 1 Secondly, execute the following two commands in two ssh windows respectively: $ip netns exec ns1 sh $while true; do ip -6 addr add 2001:0db8:0:f101::1/64 dev veth1; ip -6 route add 2000::/64 dev veth1 metric 1; ping6 2000::2; done $ip netns exec ns1 sh $while true; do ip link set veth1 mtu 1000; ip link set veth1 mtu 1500; sleep 5; done It is because ip6_ptr has been assigned to NULL in addrconf_ifdown() firstly, then ip6_ignore_linkdown() accesses ip6_ptr directly without NULL check. cpu0 cpu1 fib6_table_lookup __find_rr_leaf addrconf_notify [ NETDEV_CHANGEMTU ] addrconf_ifdown RCU_INIT_POINTER(dev->ip6_ptr, NULL) find_match ip6_ignore_linkdown So we can add NULL check for ip6_ptr before using in ip6_ignore_linkdown() to fix the null-ptr-deref bug. Fixes: dcd1f572954f ("net/ipv6: Remove fib6_idev") Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://lore.kernel.org/r/20220728013307.656257-1-william.xuanziyang@huawei.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-28s390: add ELF note type for encrypted CPU state of a PV VCPUJanosch Frank
The type NT_S390_PV_CPU_DATA note contains the encrypted CPU state of a PV VCPU. It's only relevant in dumps of s390 PV VMs and can't be decrypted without a second block of encrypted data which provides key parts. Therefore we only reserve the note type here. The zgetdump tool from the s390-tools package can, together with a Customer Communication Key, be used to convert a PV VM dump into a normal VM dump. zgetdump will decrypt the CPU data and overwrite the other respective notes to make the data accessible for crash and other debugging tools. Signed-off-by: Janosch Frank <frankja@linux.ibm.com> Acked-by: Heiko Carstens <hca@linux.ibm.com> [agordeev@linux.ibm.com changed desctiption] Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
2022-07-28thermal/core: Add thermal_trip in thermal_zoneDaniel Lezcano
The thermal trip points are properties of a thermal zone and the different sub systems should be able to save them in the thermal zone structure instead of having their own definition. Give the opportunity to the drivers to create a thermal zone with thermal trips which will be accessible directly from the thermal core framework. As we added the thermal trip points structure in the thermal zone, let's extend the thermal zone register function to have the thermal trip structures as a parameter and store it in the 'trips' field of the thermal zone structure. The thermal zone contains the trip point, we can store them directly when registering the thermal zone. That will allow another step forward to remove the duplicate thermal zone structure we find in the thermal_of code. Cc: Alexandre Bailon <abailon@baylibre.com> Cc: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org> Link: https://lore.kernel.org/r/20220722200007.1839356-9-daniel.lezcano@linexp.org Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-28thermal/core: Rename 'trips' to 'num_trips'Daniel Lezcano
In order to use thermal trips defined in the thermal structure, rename the 'trips' field to 'num_trips' to have the 'trips' field containing the thermal trip points. Cc: Alexandre Bailon <abailon@baylibre.com> Cc: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org> Link: https://lore.kernel.org/r/20220722200007.1839356-8-daniel.lezcano@linexp.org Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-28thermal/of: Move thermal_trip structure to thermal.hDaniel Lezcano
The structure thermal_trip is now generic and will be usable by the different sensor drivers in place of their own structure. Move its definition to thermal.h to make it accessible. Cc: Alexandre Bailon <abailon@baylibre.com> Cc: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linexp.org> Reviewed-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20220722200007.1839356-5-daniel.lezcano@linexp.org Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-28thermal/core: Remove DROP_FULL and RAISE_FULLDaniel Lezcano
The trends DROP_FULL and RAISE_FULL are not used and were never used in the past AFAICT. Remove these conditions as they seems to not be handled anywhere. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20220629151012.3115773-2-daniel.lezcano@linaro.org Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-28drivers/thermal/cpufreq_cooling : Refactor thermal_power_cpu_get_power tracingLukasz Luba
Simplify the thermal_power_cpu_get_power trace event by removing complicated cpumask and variable length array. Now the tools parsing trace output don't have to hassle to get this power data. The simplified format version uses 'policy->cpu'. Remove also the 'load' information completely since there is very little value of it in this trace event. To get the CPUs' load (or utilization) there are other dedicated trace hooks in the kernel. This patch also simplifies and speeds-up the main cooling code when that trace event is enabled. Rename the trace event to avoid confusion of tools which parse the trace file. Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Lukasz Luba <lukasz.luba@arm.com> Link: https://lore.kernel.org/r/20220613124327.30766-3-lukasz.luba@arm.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-28wait: Fix __wait_event_hrtimeout for RT/DL tasksJuri Lelli
Changes to hrtimer mode (potentially made by __hrtimer_init_sleeper on PREEMPT_RT) are not visible to hrtimer_start_range_ns, thus not accounted for by hrtimer_start_expires call paths. In particular, __wait_event_hrtimeout suffers from this problem as we have, for example: fs/aio.c::read_events wait_event_interruptible_hrtimeout __wait_event_hrtimeout hrtimer_init_sleeper_on_stack <- this might "mode |= HRTIMER_MODE_HARD" on RT if task runs at RT/DL priority hrtimer_start_range_ns WARN_ON_ONCE(!(mode & HRTIMER_MODE_HARD) ^ !timer->is_hard) fires since the latter doesn't see the change of mode done by init_sleeper Fix it by making __wait_event_hrtimeout call hrtimer_sleeper_start_expires, which is aware of the special RT/DL case, instead of hrtimer_start_range_ns. Reported-by: Bruno Goncalves <bgoncalv@redhat.com> Signed-off-by: Juri Lelli <juri.lelli@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Daniel Bristot de Oliveira <bristot@kernel.org> Reviewed-by: Valentin Schneider <vschneid@redhat.com> Link: https://lore.kernel.org/r/20220627095051.42470-1-juri.lelli@redhat.com
2022-07-28Merge tag 'timers-v5.20-rc1' of ↵Thomas Gleixner
https://git.linaro.org/people/daniel.lezcano/linux into timers/core Pull clockevent/source updates from Daniel Lezcano: - Add the missing DT bindings for the MTU nomadik timer (Linus Walleij) - Fix grammar typo in the ARM global timer Kconfig option (Randy Dunlap) - Add the tegra186 timer and use it on the tegra234 board (Thierry Reding) - Add the 'CPUXGPT' CPU timer for Mediatek MT6795 and implement a workaround to overcome an ATF bug where the timer is not correctly initialized (AngeloGioacchino Del Regno) - Rework the suspend/resume approach to enable the feature on the timer even it is not an active clock and fix a compilation warning (Claudiu Beznea) - Add the Add R-Car Gen4 timer support along with the DT bindings (Wolfram Sang) - Add compatible for ti,am654-timer to support AM6 SoC (Tony Lindgren) - Fix Kconfig option to put it back to 'bool' instead of 'tristate' for the tegra186 (Daniel Lezcano) - Sort 'family,type' DT bindings for the Renesas timers (Geert Uytterhoeven) - Add compatible 'allwinner,sun20i-d1-timer' for Allwinner D1 (Samuel Holland) - Remove unnecessary (void*) conversions for sun4i (XU pengfei) - Remove unnecessary (void*) conversions for sun5i (Li zeming) Link: https://lore.kernel.org/all/7472984e-f502-5f27-82bf-070127dd85a5@linaro.org
2022-07-28Merge branch '100GbE' of ↵Paolo Abeni
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== ice: PPPoE offload support Marcin Szycik says: Add support for dissecting PPPoE and PPP-specific fields in flow dissector: PPPoE session id and PPP protocol type. Add support for those fields in tc-flower and support offloading PPPoE. Finally, add support for hardware offload of PPPoE packets in switchdev mode in ice driver. Example filter: tc filter add dev $PF1 ingress protocol ppp_ses prio 1 flower pppoe_sid \ 1234 ppp_proto ip skip_sw action mirred egress redirect dev $VF1_PR Changes in iproute2 are required to use the new fields (will be submitted soon). ICE COMMS DDP package is required to create a filter in ice. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue: ice: Add support for PPPoE hardware offload flow_offload: Introduce flow_match_pppoe net/sched: flower: Add PPPoE filter flow_dissector: Add PPPoE dissectors ==================== Link: https://lore.kernel.org/r/20220726203133.2171332-1-anthony.l.nguyen@intel.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-28can: dev: add generic function can_eth_ioctl_hwts()Vincent Mailhol
Tools based on libpcap (such as tcpdump) expect the SIOCSHWTSTAMP ioctl call to be supported. This is also specified in the kernel doc [1]. The purpose of this ioctl is to toggle the hardware timestamps. Currently, CAN devices which support hardware timestamping have those always activated. can_eth_ioctl_hwts() is a dumb function that will always succeed when requested to set tx_type to HWTSTAMP_TX_ON or rx_filter to HWTSTAMP_FILTER_ALL. [1] Kernel doc: Timestamping, section 3.1 "Hardware Timestamping Implementation: Device Drivers" Link: https://docs.kernel.org/networking/timestamping.html#hardware-timestamping-implementation-device-drivers Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/all/20220727101641.198847-9-mailhol.vincent@wanadoo.fr Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-28can: dev: add generic function can_ethtool_op_get_ts_info_hwts()Vincent Mailhol
Add function can_ethtool_op_get_ts_info_hwts(). This function will be used by CAN devices with hardware TX/RX timestamping support to implement ethtool_ops::get_ts_info. This function does not offer support to activate/deactivate hardware timestamps at device level nor support the filter options (which is currently the case for all CAN devices with hardware timestamping support). The fact that hardware timestamp can not be deactivated at hardware level does not impact the userland. As long as the user do not set SO_TIMESTAMPING using a setsockopt() or ioctl(), the kernel will not emit TX timestamps (RX timestamps will still be reproted as it is the case currently). Drivers which need more fine grained control remains free to implement their own function, but we foresee that the generic function introduced here will be sufficient for the majority. Signed-off-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Link: https://lore.kernel.org/all/20220727101641.198847-8-mailhol.vincent@wanadoo.fr Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2022-07-28add missing includes and forward declarations to networking includes under ↵Jakub Kicinski
linux/ Similarly to a recent include/net/ cleanup, this patch adds missing includes to networking headers under include/linux. All these problems are currently masked by the existing users including the missing dependency before the broken header. Link: https://lore.kernel.org/all/20220723045755.2676857-1-kuba@kernel.org/ v1 Signed-off-by: Jakub Kicinski <kuba@kernel.org> Link: https://lore.kernel.org/r/20220726215652.158167-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-07-28Documentation: serial: move uart_ops documentation to the structJiri Slaby
While it's a lot of text, it always helps to keep it up to date when it's by the source. (And not in a separate file.) The documentation tooling also makes sure that all members of the structure are documented. (If not, it complains loudly.) Finally, there needs to be no comments inlined in the structure, so they are dropped as they are superfluous now. The compilation time of this header (tested with serial_core.c) didn't change in my testing at all. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Link: https://lore.kernel.org/r/20220728061056.20799-1-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-28mtd: spi-nor: s/addr_width/addr_nbytesTudor Ambarus
Address width was an unfortunate name, as it means the number of IO lines used for the address, whereas in the code it is used as the number of address bytes. s/addr_width/addr_nbytes throughout the entire SPI NOR framework. Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Michael Walle <michael@walle.cc> Acked-by: Pratyush Yadav <p.yadav@ti.com> Link: https://lore.kernel.org/r/20220725092505.446315-2-tudor.ambarus@microchip.com
2022-07-28regulator: Consumer load management improvementsMark Brown
Merge series from Douglas Anderson <dianders@chromium.org>: The main goal of this series is to make a small dent in cleaning up the way we deal with regulator loads. The idea is to add some extra functionality to the regulator "bulk" API so that consumers can specify the load using that.
2022-07-27SUNRPC: Don't reuse bvec on retransmission of the requestTrond Myklebust
If a request is re-encoded and then retransmitted, we need to make sure that we also re-encode the bvec, in case the page lists have changed. Fixes: ff053dbbaffe ("SUNRPC: Move the call to xprt_send_pagedata() out of xprt_sock_sendmsg()") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-27ACPI: property: Add support for parsing buffer property UUIDSakari Ailus
Add support for newly added buffer property UUID, as defined in the DSD guide section 3.3 [1] Link: https://github.com/UEFI/DSD-Guide/blob/main/src/dsd-guide.adoc#buffer-data-extension-uuid # [1] Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-07-27Merge branch 'erdma' into rdma.git for-nextJason Gunthorpe
Cheng Xu says ==================== This v14 patch set introduces the Elastic RDMA Adapter (ERDMA) driver, which released in Apsara Conference 2021 by Alibaba. The PR of ERDMA userspace provider has already been created [1]. ERDMA enables large-scale RDMA acceleration capability in Alibaba ECS environment, initially offered in g7re instance. It can improve the efficiency of large-scale distributed computing and communication significantly and expand dynamically with the cluster scale of Alibaba Cloud. ERDMA is a RDMA networking adapter based on the Alibaba MOC hardware. It works in the VPC network environment (overlay network), and uses iWarp transport protocol. ERDMA supports reliable connection (RC). ERDMA also supports both kernel space and user space verbs. Now we have already supported HPC/AI applications with libfabric, NoF and some other internal verbs libraries, such as xrdma, epsl, etc,. For the ECS instance with RDMA enabled, our MOC hardware generates two kinds of PCI devices: one for ERDMA, and one for the original net device (virtio-net). They are separated PCI devices. ==================== * branch 'erdma': RDMA/erdma: Add driver to kernel build environment RDMA/erdma: Add the ABI definitions RDMA/erdma: Add the erdma module RDMA/erdma: Add connection management (CM) support RDMA/erdma: Add verbs implementation RDMA/erdma: Add verbs header file RDMA/erdma: Add event queue implementation RDMA/erdma: Add cmdq implementation RDMA/erdma: Add main include file RDMA/erdma: Add the hardware related definitions RDMA: Add ERDMA to rdma_driver_id definition Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27RDMA/erdma: Add the ABI definitionsCheng Xu
Add erdma ABI definitions which will be shared between kernel and userspace. This commit also fix compile issues reported by lkp. Link: https://lore.kernel.org/r/20220727014927.76564-11-chengyou@linux.alibaba.com Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27RDMA: Add ERDMA to rdma_driver_id definitionCheng Xu
Define RDMA_DRIVER_ERDMA in enum rdma_driver_id. Link: https://lore.kernel.org/r/20220727014927.76564-2-chengyou@linux.alibaba.com Signed-off-by: Cheng Xu <chengyou@linux.alibaba.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27RDMA/mlx5: Rename the mkey cache variables and functionsAharon Landau
After replacing the MR cache with an Mkey cache, rename the variables and functions to fit the new meaning. Link: https://lore.kernel.org/r/20220726071911.122765-6-michaelgur@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2022-07-27Merge tag 'asm-generic-fixes-5.19-2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pull asm-generic fixes from Arnd Bergmann: "Two more bug fixes for asm-generic, one addressing an incorrect Kconfig symbol reference and another one fixing a build failure for the perf tool on mips and possibly others" * tag 'asm-generic-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: asm-generic: remove a broken and needless ifdef conditional tools: Fixed MIPS builds due to struct flock re-definition
2022-07-27clocksource/drivers/timer-ti-dm: Move inline functions to driver for am6Tony Lindgren
The __omap_dm_timer_* inline functions in the header are no longer needed outside the driver, and the header ifdefs prevent the driver working for ARCH_K3. Let's move the inline functions to the driver and drop the ifdefs and drop the unused functions __omap_dm_timer_override_errata() and __omap_dm_timer_load_start(). Cc: Keerthy <j-keerthy@ti.com> Cc: Nishanth Menon <nm@ti.com> Cc: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> Link: https://lore.kernel.org/r/20220408101715.43697-2-tony@atomide.com Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
2022-07-27io_uring: notification completion optimisationPavel Begunkov
We want to use all optimisations that we have for io_uring requests like completion batching, memory caching and more but for zc notifications. Fortunately, notification perfectly fit the request model so we can overlay them onto struct io_kiocb and use all the infratructure. Most of the fields of struct io_notif natively fits into io_kiocb, so we replace struct io_notif with struct io_kiocb carrying struct io_notif_data in the cmd cache line. Then we adapt io_alloc_notif() to use io_alloc_req()/io_alloc_req_refill(), and kill leftovers of hand coded caching. __io_notif_complete_tw() is converted to use io_uring's tw infra. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/9e010125175e80baf51f0ca63bdc7cc6a4a9fa56.1658913593.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-07-27regulator: core: Allow drivers to define their init data as constDouglas Anderson
Drivers tend to want to define the names of their regulators somewhere in their source file as "static const". This means, inevitable, that every driver out there open codes something like this: static const char * const supply_names[] = { "vcc", "vccl", }; static int get_regulators(struct my_data *data) { int i; data->supplies = devm_kzalloc(...) if (!data->supplies) return -ENOMEM; for (i = 0; i < ARRAY_SIZE(supply_names); i++) data->supplies[i].supply = supply_names[i]; return devm_regulator_bulk_get(data->dev, ARRAY_SIZE(supply_names), data->supplies); } Let's make this more convenient by doing providing a helper that does the copy. I have chosen to have the "const" input structure here be the exact same structure as the normal one passed to devm_regulator_bulk_get(). This is slightly inefficent since the input data can't possibly have anything useful for "ret" or consumer and thus we waste 8 bytes per structure. This seems an OK tradeoff for not introducing an extra structure. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20220726103631.v2.6.I38fc508a73135a5c1b873851f3553ff2a3a625f5@changeid Signed-off-by: Mark Brown <broonie@kernel.org>
2022-07-27regulator: core: Allow specifying an initial load w/ the bulk APIDouglas Anderson
There are a number of drivers that follow a pattern that looks like this: 1. Use the regulator bulk API to get a bunch of regulators. 2. Set the load on each of the regulators to use whenever the regulators are enabled. Let's make this easier by just allowing the drivers to pass the load in. As part of this change we need to move the error printing in regulator_bulk_get() around; let's switch to the new dev_err_probe() to simplify it. Signed-off-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20220726103631.v2.4.Ie85f68215ada39f502a96dcb8a1f3ad977e3f68a@changeid Signed-off-by: Mark Brown <broonie@kernel.org>
2022-07-27USB: HCD: Fix URB giveback issue in tasklet functionWeitao Wang
Usb core introduce the mechanism of giveback of URB in tasklet context to reduce hardware interrupt handling time. On some test situation(such as FIO with 4KB block size), when tasklet callback function called to giveback URB, interrupt handler add URB node to the bh->head list also. If check bh->head list again after finish all URB giveback of local_list, then it may introduce a "dynamic balance" between giveback URB and add URB to bh->head list. This tasklet callback function may not exit for a long time, which will cause other tasklet function calls to be delayed. Some real-time applications(such as KB and Mouse) will see noticeable lag. In order to prevent the tasklet function from occupying the cpu for a long time at a time, new URBS will not be added to the local_list even though the bh->head list is not empty. But also need to ensure the left URB giveback to be processed in time, so add a member high_prio for structure giveback_urb_bh to prioritize tasklet and schelule this tasklet again if bh->head list is not empty. At the same time, we are able to prioritize tasklet through structure member high_prio. So, replace the local high_prio_bh variable with this structure member in usb_hcd_giveback_urb. Fixes: 94dfd7edfd5c ("USB: HCD: support giveback of URB in tasklet context") Cc: stable <stable@kernel.org> Reviewed-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Weitao Wang <WeitaoWang-oc@zhaoxin.com> Link: https://lore.kernel.org/r/20220726074918.5114-1-WeitaoWang-oc@zhaoxin.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-27net/smc: Pass on DMBE bit mask in IRQ handlerStefan Raspl
Make the DMBE bits, which are passed on individually in ism_move() as parameter idx, available to the receiver. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27s390/ism: CleanupsStefan Raspl
Reworked signature of the function to retrieve the system EID: No plausible reason to use a double pointer. And neither to pass in the device as an argument, as this identifier is by definition per system, not per device. Plus some minor consistency edits. Signed-off-by: Stefan Raspl <raspl@linux.ibm.com> Signed-off-by: Wenjia Zhang < wenjia@linux.ibm.com> Reviewed-by: Tony Lu <tonylu@linux.alibaba.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2022-07-27misc: Mark MICROCODE_MINOR unusedBorislav Petkov
This one is unused since 181b6f40e9ea ("x86/microcode: Rip out the OLD_INTERFACE") so comment it out. Link: https://lore.kernel.org/r/20220525161232.14924-1-bp@alien8.de Cc: Arnd Bergmann <arnd@arndb.de> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/20220727114948.30123-1-bp@alien8.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-27watchdog: export lockup_detector_reconfigureLaurent Dufour
In some circumstances it may be interesting to reconfigure the watchdog from inside the kernel. On PowerPC, this may helpful before and after a LPAR migration (LPM) is initiated, because it implies some latencies, watchdog, and especially NMI watchdog is expected to be triggered during this operation. Reconfiguring the watchdog with a factor, would prevent it to happen too frequently during LPM. Rename lockup_detector_reconfigure() as __lockup_detector_reconfigure() and create a new function lockup_detector_reconfigure() calling __lockup_detector_reconfigure() under the protection of watchdog_mutex. Signed-off-by: Laurent Dufour <ldufour@linux.ibm.com> [mpe: Squash in build fix from Laurent, reported by Sachin] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20220713154729.80789-3-ldufour@linux.ibm.com
2022-07-27vfs: function to prevent re-use of block-device-based superblocksDaniil Lunev
The function is to be called from filesystem-specific code to mark a superblock to be ignored by superblock test and thus never re-used. The function also unregisters bdi if the bdi is per-superblock to avoid collision if a new superblock is created to represent the filesystem. generic_shutdown_super() skips unregistering bdi for a retired superlock as it assumes retire function has already done it. This patch adds the functionality only for the block-device-based supers, since the primary use case of the feature is to gracefully handle force unmount of external devices, mounted with FUSE. This can be further extended to cover all superblocks, if the need arises. Signed-off-by: Daniil Lunev <dlunev@chromium.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2022-07-26Merge tag 'mm-hotfixes-stable-2022-07-26' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "Thirteen hotfixes. Eight are cc:stable and the remainder are for post-5.18 issues or are too minor to warrant backporting" * tag 'mm-hotfixes-stable-2022-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: mailmap: update Gao Xiang's email addresses userfaultfd: provide properly masked address for huge-pages Revert "ocfs2: mount shared volume without ha stack" hugetlb: fix memoryleak in hugetlb_mcopy_atomic_pte fs: sendfile handles O_NONBLOCK of out_fd ntfs: fix use-after-free in ntfs_ucsncmp() secretmem: fix unhandled fault in truncate mm/hugetlb: separate path for hwpoison entry in copy_hugetlb_page_range() mm: fix missing wake-up event for FSDAX pages mm: fix page leak with multiple threads mapping the same page mailmap: update Seth Forshee's email address tmpfs: fix the issue that the mount and remount results are inconsistent. mm: kfence: apply kmemleak_ignore_phys on early allocated pool
2022-07-27Merge tag 'amd-drm-next-5.20-2022-07-26' of ↵Dave Airlie
https://gitlab.freedesktop.org/agd5f/linux into drm-next amdgpu: - VCN4 fixes - RAS support for UMC 8.10 - ACP support for jadeite platforms - NBIO HDP flush fixes - Misc spelling and grammar fixes - Runtime PM fixes - Non-DC HPD fix - Clean up amdgpu DM code - DSC fixes - Expose some additional GFXOFF data via debugfs - More FP clean up for new DCN blocks - PPC DC FP fixes - DCN 3.1.4 fixes - DC DML stack usage fixes - GMC fixes - SPM fixes for RDNA2 amdkfd: - MMU notifier fix - Mutex fix UAPI: - Add a comment about VCN4 unified queues - IP version information for UMDs Proposed mesa change: https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17411/diffs?commit_id=c8a63590dfd0d64e6e6a634dcfed993f135dd075 Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220726181536.5759-1-alexander.deucher@amd.com
2022-07-26tls: rx: do not use the standard strparserJakub Kicinski
TLS is a relatively poor fit for strparser. We pause the input every time a message is received, wait for a read which will decrypt the message, start the parser, repeat. strparser is built to delineate the messages, wrap them in individual skbs and let them float off into the stack or a different socket. TLS wants the data pages and nothing else. There's no need for TLS to keep cloning (and occasionally skb_unclone()'ing) the TCP rx queue. This patch uses a pre-allocated skb and attaches the skbs from the TCP rx queue to it as frags. TLS is careful never to modify the input skb without CoW'ing / detaching it first. Since we call TCP rx queue cleanup directly we also get back the benefit of skb deferred free. Overall this results in a 6% gain in my benchmarks. Acked-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26tcp: allow tls to decrypt directly from the tcp rcv queueJakub Kicinski
Expose TCP rx queue accessor and cleanup, so that TLS can decrypt directly from the TCP queue. The expectation is that the caller can access the skb returned from tcp_recv_skb() and up to inq bytes worth of data (some of which may be in ->next skbs) and then call tcp_read_done() when data has been consumed. The socket lock must be held continuously across those two operations. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26i2c: extend documentation about retvals of master_xfer functionsWolfram Sang
It was stated how the error codes should be. It was not stated what the regular case should return. Add this. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
2022-07-26net: devlink: introduce nested devlink entity for line cardJiri Pirko
For the purpose of exposing device info and allow flash update which is going to be implemented in follow-up patches, introduce a possibility for a line card to expose relation to nested devlink entity. The nested devlink entity represents the line card. Example: $ devlink lc show pci/0000:01:00.0 lc 1 pci/0000:01:00.0: lc 1 state active type 16x100G nested_devlink auxiliary/mlxsw_core.lc.0 supported_types: 16x100G $ devlink dev show auxiliary/mlxsw_core.lc.0 auxiliary/mlxsw_core.lc.0 Signed-off-by: Jiri Pirko <jiri@nvidia.com> Acked-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-07-26Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_putLuiz Augusto von Dentz
This fixes the following trace which is caused by hci_rx_work starting up *after* the final channel reference has been put() during sock_close() but *before* the references to the channel have been destroyed, so instead the code now rely on kref_get_unless_zero/l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed. refcount_t: increment on 0; use-after-free. BUG: KASAN: use-after-free in refcount_dec_and_test+0x20/0xd0 Read of size 4 at addr ffffffc114f5bf18 by task kworker/u17:14/705 CPU: 4 PID: 705 Comm: kworker/u17:14 Tainted: G S W 4.14.234-00003-g1fb6d0bd49a4-dirty #28 Hardware name: Qualcomm Technologies, Inc. SM8150 V2 PM8150 Google Inc. MSM sm8150 Flame DVT (DT) Workqueue: hci0 hci_rx_work Call trace: dump_backtrace+0x0/0x378 show_stack+0x20/0x2c dump_stack+0x124/0x148 print_address_description+0x80/0x2e8 __kasan_report+0x168/0x188 kasan_report+0x10/0x18 __asan_load4+0x84/0x8c refcount_dec_and_test+0x20/0xd0 l2cap_chan_put+0x48/0x12c l2cap_recv_frame+0x4770/0x6550 l2cap_recv_acldata+0x44c/0x7a4 hci_acldata_packet+0x100/0x188 hci_rx_work+0x178/0x23c process_one_work+0x35c/0x95c worker_thread+0x4cc/0x960 kthread+0x1a8/0x1c4 ret_from_fork+0x10/0x18 Cc: stable@kernel.org Reported-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Tested-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-07-26cxl/region: Introduce cxl_pmem_region objectsDan Williams
The LIBNVDIMM subsystem is a platform agnostic representation of system NVDIMM / persistent memory resources. To date, the CXL subsystem's interaction with LIBNVDIMM has been to register an nvdimm-bridge device and cxl_nvdimm objects to proxy CXL capabilities into existing LIBNVDIMM subsystem mechanics. With regions the approach is the same. Create a new cxl_pmem_region object to proxy CXL region details into a LIBNVDIMM definition. With this enabling LIBNVDIMM can partition CXL persistent memory regions with legacy namespace labels. A follow-on patch will add CXL region label and CXL namespace label support to persist region configurations across driver reload / system-reset events. Co-developed-by: Ben Widawsky <bwidawsk@kernel.org> Signed-off-by: Ben Widawsky <bwidawsk@kernel.org> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/165784340111.1758207.3036498385188290968.stgit@dwillia2-xfh.jf.intel.com Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2022-07-26ACPI: CPPC: Do not prevent CPPC from working in the futureRafael J. Wysocki
There is a problem with the current revision checks in is_cppc_supported() that they essentially prevent the CPPC support from working if a new _CPC package format revision being a proper superset of the v3 and only causing _CPC to return a package with more entries (while retaining the types and meaning of the entries defined by the v3) is introduced in the future and used by the platform firmware. In that case, as long as the number of entries in the _CPC return package is at least CPPC_V3_NUM_ENT, it should be perfectly fine to use the v3 support code and disregard the additional package entries added by the new package format revision. For this reason, drop is_cppc_supported() altogether, put the revision checks directly into acpi_cppc_processor_probe() so they are easier to follow and rework them to take the case mentioned above into account. Fixes: 4773e77cdc9b ("ACPI / CPPC: Add support for CPPC v3") Cc: 4.18+ <stable@vger.kernel.org> # 4.18+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-07-26flow_offload: Introduce flow_match_pppoeWojciech Drewek
Allow to offload PPPoE filters by adding flow_rule_match_pppoe. Drivers can extract PPPoE specific fields from now on. Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2022-07-26net/sched: flower: Add PPPoE filterWojciech Drewek
Add support for PPPoE specific fields for tc-flower. Those fields can be provided only when protocol was set to ETH_P_PPP_SES. Defines, dump, load and set are being done here. Overwrite basic.n_proto only in case of PPP_IP and PPP_IPV6, otherwise leave it as ETH_P_PPP_SES. Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com> Acked-by: Guillaume Nault <gnault@redhat.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
generated by cgit (git 2.34.1) at 2025-09-12 23:01:01 +0000