mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
synced 2026-11-10 20:48:12 +00:00
1,105,074 commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
6e01f86fb2 |
Updates for timers and timekeeping core code:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer callback
is always the same, which makes it difficult to identify the underlying
work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
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Merge tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer and timekeeping updates from Thomas Gleixner:
- Expose CLOCK_TAI to instrumentation to aid with TSN debugging.
- Ensure that the clockevent is stopped when there is no timer armed to
avoid pointless wakeups.
- Make the sched clock frequency handling and rounding consistent.
- Provide a better debugobject hint for delayed works. The timer
callback is always the same, which makes it difficult to identify the
underlying work. Use the work function as a hint instead.
- Move the timer specific sysctl code into the timer subsystem.
- The usual set of improvements and cleanups
* tag 'timers-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timers: Provide a better debugobjects hint for delayed works
time/sched_clock: Fix formatting of frequency reporting code
time/sched_clock: Use Hz as the unit for clock rate reporting below 4kHz
time/sched_clock: Round the frequency reported to nearest rather than down
timekeeping: Consolidate fast timekeeper
timekeeping: Annotate ktime_get_boot_fast_ns() with data_race()
timers/nohz: Switch to ONESHOT_STOPPED in the low-res handler when the tick is stopped
timekeeping: Introduce fast accessor to clock tai
tracing/timer: Add missing argument documentation of trace points
clocksource: Replace cpumask_weight() with cpumask_empty()
timers: Move timer sysctl into the timer code
clockevents: Use dedicated list iterator variable
timers: Simplify calc_index()
timers: Initialize base::next_expiry_recalc in timers_prepare_cpu()
|
||
|
Linus Torvalds
|
fcfde8a7cf |
Updates for interrupt core and drivers:
Core code:
- Make the managed interrupts more robust by shutting them down in the
core code when the assigned affinity mask does not contain online
CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to prevent
the GPIO subsystem from modifying it under the hood. This provides
the necessary infrastructure and converts a set of GPIO and pinctrl
drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough.
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Merge tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull interrupt handling updates from Thomas Gleixner:
"Core code:
- Make the managed interrupts more robust by shutting them down in
the core code when the assigned affinity mask does not contain
online CPUs.
- Make the irq simulator chip work on RT
- A small set of cpumask and power manageent cleanups
Drivers:
- A set of changes which mark GPIO interrupt chips immutable to
prevent the GPIO subsystem from modifying it under the hood. This
provides the necessary infrastructure and converts a set of GPIO
and pinctrl drivers over.
- A set of changes to make the pseudo-NMI handling for GICv3 more
robust: a missing barrier and consistent handling of the priority
mask.
- Another set of GICv3 improvements and fixes, but nothing
outstanding
- The usual set of improvements and cleanups all over the place
- No new irqchip drivers and not even a new device tree binding!
100+ interrupt chips are truly enough"
* tag 'irq-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (39 commits)
irqchip: Add Kconfig symbols for sunxi drivers
irqchip/gic-v3: Fix priority mask handling
irqchip/gic-v3: Refactor ISB + EOIR at ack time
irqchip/gic-v3: Ensure pseudo-NMIs have an ISB between ack and handling
genirq/irq_sim: Make the irq_work always run in hard irq context
irqchip/armada-370-xp: Do not touch Performance Counter Overflow on A375, A38x, A39x
irqchip/gic: Improved warning about incorrect type
irqchip/csky: Return true/false (not 1/0) from bool functions
irqchip/imx-irqsteer: Add runtime PM support
irqchip/imx-irqsteer: Constify irq_chip struct
irqchip/armada-370-xp: Enable MSI affinity configuration
irqchip/aspeed-scu-ic: Fix irq_of_parse_and_map() return value
irqchip/aspeed-i2c-ic: Fix irq_of_parse_and_map() return value
irqchip/sun6i-r: Use NULL for chip_data
irqchip/xtensa-mx: Fix initial IRQ affinity in non-SMP setup
irqchip/exiu: Fix acknowledgment of edge triggered interrupts
irqchip/gic-v3: Claim iomem resources
dt-bindings: interrupt-controller: arm,gic-v3: Make the v2 compat requirements explicit
irqchip/gic-v3: Relax polling of GIC{R,D}_CTLR.RWP
irqchip/gic-v3: Detect LPI invalidation MMIO registers
...
|
||
|
Linus Torvalds
|
28c8f9fe94 |
Updates for CPU hotplug:
- Initialize the per CPU structures during early boot so that the state
is consistent from the very beginning.
- Make the virtualization hotplug state handling more robust and let the
core bringup CPUs which timed out in an earlier attempt again.
- Make the x86/XEN CPU state tracking consistent on a failed online
attempt, so a consecutive bringup does not fall over the inconsistent
state.
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Merge tag 'smp-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
- Initialize the per-CPU structures during early boot so that the state
is consistent from the very beginning.
- Make the virtualization hotplug state handling more robust and let
the core bringup CPUs which timed out in an earlier attempt again.
- Make the x86/xen CPU state tracking consistent on a failed online
attempt, so a consecutive bringup does not fall over the inconsistent
state.
* tag 'smp-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpu/hotplug: Initialise all cpuhp_cpu_state structs earlier
cpu/hotplug: Allow the CPU in CPU_UP_PREPARE state to be brought up again.
x86/xen: Allow to retry if cpu_initialize_context() failed.
|
||
|
Linus Torvalds
|
985564eb3e |
Trivial licensing cleanup in debugobjects
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||
|
Linus Torvalds
|
4b57dccc42 |
A single update for irqpoll:
- Ensure that a raised soft interrupt is handled after pulling the
blk_cpu_iopoll backlog from a unplugged CPU. This prevents that the CPU
which runs that code reaches idle with soft interrupts pending.
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Merge tag 'core-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irqpoll update from Thomas Gleixner:
"A single update for irqpoll:
Ensure that a raised soft interrupt is handled after pulling the
blk_cpu_iopoll backlog from a unplugged CPU. This prevents that the
CPU which runs that code reaches idle with soft interrupts pending"
* tag 'core-core-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
lib/irq_poll: Prevent softirq pending leak in irq_poll_cpu_dead()
|
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Jakub Kicinski
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1ef0736c07 |
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says: ==================== pull-request: bpf-next 2022-05-23 We've added 113 non-merge commits during the last 26 day(s) which contain a total of 121 files changed, 7425 insertions(+), 1586 deletions(-). The main changes are: 1) Speed up symbol resolution for kprobes multi-link attachments, from Jiri Olsa. 2) Add BPF dynamic pointer infrastructure e.g. to allow for dynamically sized ringbuf reservations without extra memory copies, from Joanne Koong. 3) Big batch of libbpf improvements towards libbpf 1.0 release, from Andrii Nakryiko. 4) Add BPF link iterator to traverse links via seq_file ops, from Dmitrii Dolgov. 5) Add source IP address to BPF tunnel key infrastructure, from Kaixi Fan. 6) Refine unprivileged BPF to disable only object-creating commands, from Alan Maguire. 7) Fix JIT blinding of ld_imm64 when they point to subprogs, from Alexei Starovoitov. 8) Add BPF access to mptcp_sock structures and their meta data, from Geliang Tang. 9) Add new BPF helper for access to remote CPU's BPF map elements, from Feng Zhou. 10) Allow attaching 64-bit cookie to BPF link of fentry/fexit/fmod_ret, from Kui-Feng Lee. 11) Follow-ups to typed pointer support in BPF maps, from Kumar Kartikeya Dwivedi. 12) Add busy-poll test cases to the XSK selftest suite, from Magnus Karlsson. 13) Improvements in BPF selftest test_progs subtest output, from Mykola Lysenko. 14) Fill bpf_prog_pack allocator areas with illegal instructions, from Song Liu. 15) Add generic batch operations for BPF map-in-map cases, from Takshak Chahande. 16) Make bpf_jit_enable more user friendly when permanently on 1, from Tiezhu Yang. 17) Fix an array overflow in bpf_trampoline_get_progs(), from Yuntao Wang. ==================== Link: https://lore.kernel.org/r/20220523223805.27931-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Jakub Kicinski
|
9fa87dd232 |
linux-can-next-for-5.19-20220523
-----BEGIN PGP SIGNATURE----- iQFHBAABCgAxFiEEBsvAIBsPu6mG7thcrX5LkNig010FAmKL6K0THG1rbEBwZW5n dXRyb25peC5kZQAKCRCtfkuQ2KDTXWu/CACuaIISoWD91Z4gdCLxpXVhXqeoqD7g RfwI8r3sXR1MXxhlVGbA7VeU9DQ8e2ExwIedxGu3aCLtqBvMR9bsnTjy7PrmtGHL PbZbIMDJ+IjH9BRJ3I2gfypQ/kzolnHUk83uXSx3JJPOjvojueJnsoYRU7XbnHoe ovln6XS8a3XhrOQt9MqEAzv07Woe+edcNJ/Bjx00gXI5OcHYUhCbG+VVjA64NuHe s3SdkeoNl9aDY+gtnW1TaI0sqGlWhmIGngqXLEa53/0JwfsYSLWMuJ41KQlXqhza sFz8RC7l1L+yeinKpYaZGyIer/vvttWPl+EXnjAZ786xVg0RdENXM776 =Nez3 -----END PGP SIGNATURE----- Merge tag 'linux-can-next-for-5.19-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next Marc Kleine-Budde says: ==================== pull-request: can-next 2022-05-23 this is a pull request of 3 patches for net-next/master. The first patch is by Julia Lawall and fixes a typo in the peak_usb driver. Jakub Kicinski contributes a patch for the kvaser_usb driver to silence a GCC 12 -Warray-bounds warning. The last patch is by me, target the ctucanfd platform driver and adds a missing dependency to HAS_IOMEM. * tag 'linux-can-next-for-5.19-20220523' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next: can: ctucanfd: platform: add missing dependency to HAS_IOMEM can: kvaser_usb: silence a GCC 12 -Warray-bounds warning can: peak_usb: fix typo in comment ==================== Link: https://lore.kernel.org/r/20220523201045.1708855-1-mkl@pengutronix.de Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Julia Lawall
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d036d915b6 |
of/irq: fix typo in comment
Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220521111145.81697-59-Julia.Lawall@inria.fr |
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Linus Torvalds
|
140e40e39a |
zonefs changes for 5.19-rc1
This set of patches improve zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits. -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSRPv8tYSvhwAzJdzjdoc3SxdoYdgUCYosTQQAKCRDdoc3SxdoY dqUWAQDGKoSkyRAPJAmuQXYOuOJTLu0b8DSfvyPopFLfKXpPHAEAg995JNTLUs0G R3m7lH6GK+OSBWhZ/Z5HOND3QS9BhgM= =hvqx -----END PGP SIGNATURE----- Merge tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs Pull zonefs updates from Damien Le Moal: "This improves zonefs open sequential file accounting and adds accounting for active sequential files to allow the user to handle the maximum number of active zones of an NVMe ZNS drive. sysfs attributes for both open and active sequential files are also added to facilitate access to this information from applications without resorting to inspecting the block device limits" * tag 'zonefs-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs: documentation: zonefs: Document sysfs attributes documentation: zonefs: Cleanup the mount options section zonefs: Add active seq file accounting zonefs: Export open zone resource information through sysfs zonefs: Always do seq file write open accounting zonefs: Rename super block information fields zonefs: Fix management of open zones zonefs: Clear inode information flags on inode creation |
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Jakub Kicinski
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b1e6738a21 |
bluetooth-next pull request for net-next:
- Add support for Realtek 8761BUV - Add HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN quirk - Add support for RTL8852C - Add a new PID/VID 0489/e0c8 for MT7921 - Add support for Qualcomm WCN785x -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmKL8N4ZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKfy6EACPSdWECxGv+20lpBmgRbfF 1Ahu2rFfEtK5iDaTiFLqBOczGkaYnhjq9/Er4VsYHMH1DVedOKoTskzfa2V68j0L xyCU44E0x314YI/B2sWoMAYejkPX265r0292KzZUpXM2s+S0Doh3Z52glMrjh13C GbaTfukocBZ6HNIiXp8xQLIaD6MbKGhs2VSWuoXLQqASujrixm1ucglsHNbjfL6e huSL/SoxKukX8qhlO19pJniROLKq0aC5tQSk66ihvhHWlNBTNJYkg6HoJ8vrB81d lBjVjPjElbTljQIC+PeOSCSeOn+ELizsUdGgWxiZ2fgzgQvko0fDSnGSnpRSCnNH zxSBs/pn3cgVS6rSIIzFXsnhdBgAoiwqqhwy+bKsi3nnIXGriZMn82Dpr7z/+QWB di2wKlZSXw8LEhDaBxi8espe1NkdhgSYWI8c2hh40PLkydBpGXwag9FBkMM4cgsU 4p/riOd776EEVtwXI+lDcAdMFcbMLTf094qZWi1of93VUgDPoy8TSy3ZdshupZah 8UQyeKKYb3lxXIXd/i6C/jhYgPvo/8ZWv+OwysPpAzvvyhAagEKS1czSGJ01yjsy 1k+ebPY4CIHBBT23UFYKxD6Tgn9SAiqKtf0XtbYzCV2UD+QtUadc8MeGFtYb+0j1 ybtkiTT++lU3M9KfAMtH8A== =XFUz -----END PGP SIGNATURE----- Merge tag 'for-net-next-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next Luiz Augusto von Dentz says: ==================== bluetooth-next pull request for net-next: - Add support for Realtek 8761BUV - Add HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN quirk - Add support for RTL8852C - Add a new PID/VID 0489/e0c8 for MT7921 - Add support for Qualcomm WCN785x * tag 'for-net-next-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (26 commits) Bluetooth: hci_sync: use hci_skb_event() helper Bluetooth: eir: Add helpers for managing service data Bluetooth: hci_sync: Fix attempting to suspend with unfiltered passive scan Bluetooth: MGMT: Add conditions for setting HCI_CONN_FLAG_REMOTE_WAKEUP Bluetooth: btmtksdio: fix the reset takes too long Bluetooth: btmtksdio: fix possible FW initialization failure Bluetooth: btmtksdio: fix use-after-free at btmtksdio_recv_event Bluetooth: btbcm: Add entry for BCM4373A0 UART Bluetooth Bluetooth: btusb: Add a new PID/VID 0489/e0c8 for MT7921 Bluetooth: btusb: Add 0x0bda:0x8771 Realtek 8761BUV devices Bluetooth: btusb: Set HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for QCA Bluetooth: core: Fix missing power_on work cancel on HCI close Bluetooth: btusb: add support for Qualcomm WCN785x Bluetooth: protect le accept and resolv lists with hdev->lock Bluetooth: use hdev lock for accept_list and reject_list in conn req Bluetooth: use hdev lock in activate_scan for hci_is_adv_monitoring Bluetooth: btrtl: Add support for RTL8852C Bluetooth: btusb: Set HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN for QCA Bluetooth: Print broken quirks Bluetooth: HCI: Add HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN quirk ... ==================== Link: https://lore.kernel.org/r/20220523204151.3327345-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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|
Jakub Kicinski
|
7fb0269720 |
bluetooth pull request for net:
- Fix crash when an LE Connection fails to be established. -----BEGIN PGP SIGNATURE----- iQJNBAABCAA3FiEE7E6oRXp8w05ovYr/9JCA4xAyCykFAmKL568ZHGx1aXoudm9u LmRlbnR6QGludGVsLmNvbQAKCRD0kIDjEDILKW0lD/oDc0YKpGgvs/wb38s4gomM jMqaSUyYaAELmn3NRxFlxmTo3zG4ce3KTHQz7L8AFWKQzimTVzw/P5ZaTgL+7sE4 CjrD9J/3vGLA10rYk6TLOXtuHprlc5qZRIJx39woCXaxomWnGKJfjPZxkYRaUSID psKEZHs6hbQJumBfbnYq7GJ7vxD+n22gxODGr5sDfdsq6ekSfpW1J5DOwDm0bIlV PCl8SVqANT7XxRr8KH2Ilk9ApKIYUBrmwZaXQmnjt+PbryYrYNygmpYqmqJY23Ll vk1xMzm0vhtGgKppblJBJBD/9p6M6ICiCF+d/151CX9m1x8wHeV+TQFMkj92w8vM Oyr/a6kUemt/56vpZfgZcN1Xxa/+yhLrbcPl/GW4X+oi27DgEs2Glh65XoBDklwN 4mk5R5nQAv6va1BnuzzOc7AmX7FFU5LeKC/PfJrekLjXSppvRkmeEQb0kzjVCW8w sHAUCbxXyepe8UgUv7QcEa+3l+XN5dq49BOkkEalhfkLw+/EyPfOyZOvpMvSvkle xHUiL3rJMqD8gnGN2v8V89mCnEv/8XEqcekomNn+EjrnVAvW2mni/ahTmdUaasmp I519jc+muJmy5xGjNAJ7+1X3GhtZpk1ZPTIsTP+vbrfFwECuudIc3xUU+HbrWorS E+GuvIdWwmftP8E9RxAT4g== =Ps3+ -----END PGP SIGNATURE----- Merge tag 'for-net-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - Fix crash when an LE Connection fails to be established. * tag 'for-net-2022-05-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: hci_conn: Fix hci_connect_le_sync ==================== Link: https://lore.kernel.org/r/20220523200349.3322806-1-luiz.dentz@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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Andrii Nakryiko
|
608b638ebf |
Merge branch 'Dynamic pointers'
Joanne Koong says: ==================== This patchset implements the basics of dynamic pointers in bpf. A dynamic pointer (struct bpf_dynptr) is a pointer that stores extra metadata alongside the address it points to. This abstraction is useful in bpf given that every memory access in a bpf program must be safe. The verifier and bpf helper functions can use the metadata to enforce safety guarantees for things such as dynamically sized strings and kernel heap allocations. From the program side, the bpf_dynptr is an opaque struct and the verifier will enforce that its contents are never written to by the program. It can only be written to through specific bpf helper functions. There are several uses cases for dynamic pointers in bpf programs. Some examples include: dynamically sized ringbuf reservations without extra memcpys, dynamic string parsing and memory comparisons, dynamic memory allocations that can be persisted in maps, and dynamic + ergonomic parsing of sk_buff and xdp_md packet data. At a high-level, the patches are as follows: 1/6 - Adds verifier support for dynptrs 2/6 - Adds bpf_dynptr_from_mem (local dynptr) 3/6 - Adds dynptr support for ring buffers 4/6 - Adds bpf_dynptr_read and bpf_dynptr_write 5/6 - Adds dynptr data slices (ptr to the dynptr data) 6/6 - Tests to check that the verifier rejects invalid cases and passes valid ones This is the first dynptr patchset in a larger series. The next series of patches will add dynptrs that support dynamic memory allocations that can also be persisted in maps, support for parsing packet data through dynptrs, convenience helpers for using dynptrs as iterators, and more helper functions for interacting with strings and memory dynamically. Changelog: ---------- v5 -> v6: v5: https://lore.kernel.org/bpf/20220520044245.3305025-1-joannelkoong@gmail.com/ * enforce PTR_TO_MAP_VALUE for bpf_dynptr_from_mem data in check_helper_call instead of using DYNPTR_TYPE_LOCAL when checking func arg compatiblity * remove MEM_DYNPTR modifier v4 -> v5: v4: https://lore.kernel.org/bpf/20220509224257.3222614-1-joannelkoong@gmail.com/ * Remove malloc dynptr; this will be part of the 2nd patchset while we figure out memory accounting * For data slices, only set the register's ref_obj_id to dynptr_id (Alexei) * Tidying (eg remove "inline", move offset checking to "check_func_arg_reg_off") (David) * Add a few new test cases, remove malloc-only ones. v3 -> v4: v3: https://lore.kernel.org/bpf/20220428211059.4065379-1-joannelkoong@gmail.com/ 1/6 - Change mem ptr + size check to use more concise inequality expression (David + Andrii) 2/6 - Add check for meta->uninit_dynptr_regno not already set (Andrii) Move DYNPTR_TYPE_FLAG_MASK to include/linux/bpf.h (Andrii) 3/6 - Remove four underscores for invoking BPF_CALL (Andrii) Add __BPF_TYPE_FLAG_MAX and use it for __BPF_TYPE_LAST_FLAG (Andrii) 4/6 - Fix capacity to be bpf_dynptr size value in check_off_len (Andrii) Change -EINVAL to -E2BIG if len + offset is out of bounds (Andrii) 5/6 - Add check for only 1 dynptr arg for dynptr data function (Andrii) 6/6 - For ringbuf map, set max_entries from userspace (Andrii) Use err ?: ... for interactring with dynptr APIs (Andrii) Define array_map2 for add_dynptr_to_map2 test where value is a struct with an embedded dynptr Remove ref id from missing_put_callback message, since on different environments, ref id is not always = 1 v2 -> v3: v2: https://lore.kernel.org/bpf/20220416063429.3314021-1-joannelkoong@gmail.com/ * Reorder patches (move ringbuffer patch to be right after the verifier + * malloc dynptr patchset) * Remove local type dynptrs (Andrii + Alexei) * Mark stack slot as STACK_MISC after any writes into a dynptr instead of * explicitly prohibiting writes (Alexei) * Pass number of slots, not memory size to is_spi_bounds_valid (Kumar) * Check reference leaks by adding dynptr id to state->refs instead of checking stack slots (Alexei) v1 -> v2: v1: https://lore.kernel.org/bpf/20220402015826.3941317-1-joannekoong@fb.com/ 1/7 - * Remove ARG_PTR_TO_MAP_VALUE_UNINIT alias and use ARG_PTR_TO_MAP_VALUE | MEM_UNINIT directly (Andrii) * Drop arg_type_is_mem_ptr() wrapper function (Andrii) 2/7 - * Change name from MEM_RELEASE to OBJ_RELEASE (Andrii) * Use meta.release_ref instead of ref_obj_id != 0 to determine whether to release reference (Kumar) * Drop type_is_release_mem() wrapper function (Andrii) 3/7 - * Add checks for nested dynptrs edge-cases, which could lead to corrupt * writes of the dynptr stack variable. * Add u64 flags to bpf_dynptr_from_mem() and bpf_dynptr_alloc() (Andrii) * Rename from bpf_malloc/bpf_free to bpf_dynptr_alloc/bpf_dynptr_put (Alexei) * Support alloc flag __GFP_ZERO (Andrii) * Reserve upper 8 bits in dynptr size and offset fields instead of reserving just the upper 4 bits (Andrii) * Allow dynptr zero-slices (Andrii) * Use the highest bit for is_rdonly instead of the 28th bit (Andrii) * Rename check_* functions to is_* functions for better readability (Andrii) * Add comment for code that checks the spi bounds (Andrii) 4/7 - * Fix doc description for bpf_dynpt_read (Toke) * Move bpf_dynptr_check_off_len() from function patch 1 to here (Andrii) 5/7 - * When finding the id for the dynptr to associate the data slice with, look for dynptr arg instead of assuming it is BPF_REG_1. 6/7 - * Add __force when casting from unsigned long to void * (kernel test * robot) * Expand on docs for ringbuf dynptr APIs (Andrii) 7/7 - * Use table approach for defining test programs and error messages * (Andrii) * Print out full log if there’s an error (Andrii) * Use bpf_object__find_program_by_name() instead of specifying program name as a string (Andrii) * Add 6 extra cases: invalid_nested_dynptrs1, invalid_nested_dynptrs2, invalid_ref_mem1, invalid_ref_mem2, zero_slice_access, and test_alloc_zero_bytes * Add checking for edge cases (eg allocing with invalid flags) ==================== Signed-off-by: Andrii Nakryiko <andrii@kernel.org> |
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Joanne Koong
|
0cf7052a55 |
selftests/bpf: Dynptr tests
This patch adds tests for dynptrs, which include cases that the verifier needs to reject (for example, a bpf_ringbuf_reserve_dynptr without a corresponding bpf_ringbuf_submit/discard_dynptr) as well as cases that should successfully pass. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220523210712.3641569-7-joannelkoong@gmail.com |
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Joanne Koong
|
34d4ef5775 |
bpf: Add dynptr data slices
This patch adds a new helper function void *bpf_dynptr_data(struct bpf_dynptr *ptr, u32 offset, u32 len); which returns a pointer to the underlying data of a dynptr. *len* must be a statically known value. The bpf program may access the returned data slice as a normal buffer (eg can do direct reads and writes), since the verifier associates the length with the returned pointer, and enforces that no out of bounds accesses occur. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20220523210712.3641569-6-joannelkoong@gmail.com |
||
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Joanne Koong
|
13bbbfbea7 |
bpf: Add bpf_dynptr_read and bpf_dynptr_write
This patch adds two helper functions, bpf_dynptr_read and bpf_dynptr_write: long bpf_dynptr_read(void *dst, u32 len, struct bpf_dynptr *src, u32 offset); long bpf_dynptr_write(struct bpf_dynptr *dst, u32 offset, void *src, u32 len); The dynptr passed into these functions must be valid dynptrs that have been initialized. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220523210712.3641569-5-joannelkoong@gmail.com |
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Joanne Koong
|
bc34dee65a |
bpf: Dynptr support for ring buffers
Currently, our only way of writing dynamically-sized data into a ring buffer is through bpf_ringbuf_output but this incurs an extra memcpy cost. bpf_ringbuf_reserve + bpf_ringbuf_commit avoids this extra memcpy, but it can only safely support reservation sizes that are statically known since the verifier cannot guarantee that the bpf program won’t access memory outside the reserved space. The bpf_dynptr abstraction allows for dynamically-sized ring buffer reservations without the extra memcpy. There are 3 new APIs: long bpf_ringbuf_reserve_dynptr(void *ringbuf, u32 size, u64 flags, struct bpf_dynptr *ptr); void bpf_ringbuf_submit_dynptr(struct bpf_dynptr *ptr, u64 flags); void bpf_ringbuf_discard_dynptr(struct bpf_dynptr *ptr, u64 flags); These closely follow the functionalities of the original ringbuf APIs. For example, all ringbuffer dynptrs that have been reserved must be either submitted or discarded before the program exits. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: David Vernet <void@manifault.com> Link: https://lore.kernel.org/bpf/20220523210712.3641569-4-joannelkoong@gmail.com |
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Joanne Koong
|
263ae152e9 |
bpf: Add bpf_dynptr_from_mem for local dynptrs
This patch adds a new api bpf_dynptr_from_mem: long bpf_dynptr_from_mem(void *data, u32 size, u64 flags, struct bpf_dynptr *ptr); which initializes a dynptr to point to a bpf program's local memory. For now only local memory that is of reg type PTR_TO_MAP_VALUE is supported. Signed-off-by: Joanne Koong <joannelkoong@gmail.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20220523210712.3641569-3-joannelkoong@gmail.com |
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Joanne Koong
|
97e03f5210 |
bpf: Add verifier support for dynptrs
This patch adds the bulk of the verifier work for supporting dynamic
pointers (dynptrs) in bpf.
A bpf_dynptr is opaque to the bpf program. It is a 16-byte structure
defined internally as:
struct bpf_dynptr_kern {
void *data;
u32 size;
u32 offset;
} __aligned(8);
The upper 8 bits of *size* is reserved (it contains extra metadata about
read-only status and dynptr type). Consequently, a dynptr only supports
memory less than 16 MB.
There are different types of dynptrs (eg malloc, ringbuf, ...). In this
patchset, the most basic one, dynptrs to a bpf program's local memory,
is added. For now only local memory that is of reg type PTR_TO_MAP_VALUE
is supported.
In the verifier, dynptr state information will be tracked in stack
slots. When the program passes in an uninitialized dynptr
(ARG_PTR_TO_DYNPTR | MEM_UNINIT), the stack slots corresponding
to the frame pointer where the dynptr resides at are marked
STACK_DYNPTR. For helper functions that take in initialized dynptrs (eg
bpf_dynptr_read + bpf_dynptr_write which are added later in this
patchset), the verifier enforces that the dynptr has been initialized
properly by checking that their corresponding stack slots have been
marked as STACK_DYNPTR.
The 6th patch in this patchset adds test cases that the verifier should
successfully reject, such as for example attempting to use a dynptr
after doing a direct write into it inside the bpf program.
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: David Vernet <void@manifault.com>
Link: https://lore.kernel.org/bpf/20220523210712.3641569-2-joannelkoong@gmail.com
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Kumar Kartikeya Dwivedi
|
1ec5ee8c8a |
bpf: Suppress 'passing zero to PTR_ERR' warning
Kernel Test Robot complains about passing zero to PTR_ERR for the said
line, suppress it by using PTR_ERR_OR_ZERO.
Fixes:
|
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Linus Torvalds
|
8a32f81a89 |
ata changes for 5.19-rc1
For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more details:
* Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
* Improved ATA command allocation, from John.
* Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey, Diego,
Ruyi, Mighao and Jiabing.
* Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
* AHCI RAID ID cleanup, from Dan.
* Improvement to the libata.force kernel parameter to allow most horkage
flags to be manually forced for debugging drive issues in the field
without needing recompiling a kernel, from me.
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Merge tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata
Pull ata updates from Damien Le Moal:
"For this cycle, the libata.force kernel parameter changes stand out.
Beside that, some small cleanups in various drivers. In more detail:
- Changes to the pata_mpc52xx driver in preparation for powerpc's
asm/prom.h cleanup, from Christophe.
- Improved ATA command allocation, from John.
- Various small cleanups to the pata_via, pata_sil680, pata_ftide010,
sata_gemini, ahci_brcm drivers and to libata-core, from Sergey,
Diego, Ruyi, Mighao and Jiabing.
- Add support for the RZ/G2H SoC to the rcar-sata driver, from Lad.
- AHCI RAID ID cleanup, from Dan.
- Improvement to the libata.force kernel parameter to allow most
horkage flags to be manually forced for debugging drive issues in
the field without needing recompiling a kernel, from me"
* tag 'ata-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
ata: pata_ftide010: Remove unneeded ERROR check before clk_disable_unprepare
doc: admin-guide: Update libata kernel parameters
ata: libata-core: Allow forcing most horkage flags
ata: libata-core: Improve link flags forced settings
ata: libata-core: Refactor force_tbl definition
ata: libata-core: cleanup ata_device_blacklist
ata: simplify the return expression of brcm_ahci_remove
ata: Make use of the helper function devm_platform_ioremap_resource()
ata: libata-core: replace "its" with "it is"
ahci: Add a generic 'controller2' RAID id
dt-bindings: ata: renesas,rcar-sata: Add r8a774e1 support
ata: pata_via: fix sloppy typing in via_do_set_mode()
ata: pata_sil680: fix result type of sil680_sel{dev|reg}()
ata: libata-core: fix parameter type in ata_xfer_mode2shift()
libata: Improve ATA queued command allocation
ata: pata_mpc52xx: Prepare cleanup of powerpc's asm/prom.h
|
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Song Liu
|
fe736565ef |
bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack
Introduce bpf_arch_text_invalidate and use it to fill unused part of the bpf_prog_pack with illegal instructions when a BPF program is freed. Fixes: |
||
|
Song Liu
|
aadd1b678e |
x86/alternative: Introduce text_poke_set
Introduce a memset like API for text_poke. This will be used to fill the unused RX memory with illegal instructions. Suggested-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Song Liu <song@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/bpf/20220520235758.1858153-3-song@kernel.org |
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|
Song Liu
|
d88bb5eed0 |
bpf: Fill new bpf_prog_pack with illegal instructions
bpf_prog_pack enables sharing huge pages among multiple BPF programs. These pages are marked as executable before the JIT engine fill it with BPF programs. To make these pages safe, fill the hole bpf_prog_pack with illegal instructions before making it executable. Fixes: |
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|
Linus Torvalds
|
5dc921868c |
for-5.19/drivers-2022-05-22
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Merge tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe:
"Here are the driver updates queued up for 5.19. This contains:
- NVMe pull requests via Christoph:
- tighten the PCI presence check (Stefan Roese)
- fix a potential NULL pointer dereference in an error path (Kyle
Miller Smith)
- fix interpretation of the DMRSL field (Tom Yan)
- relax the data transfer alignment (Keith Busch)
- verbose error logging improvements (Max Gurtovoy, Chaitanya
Kulkarni)
- misc cleanups (Chaitanya Kulkarni, Christoph)
- set non-mdts limits in nvme_scan_work (Chaitanya Kulkarni)
- add support for TP4084 - Time-to-Ready Enhancements (Christoph)
- MD pull request via Song:
- Improve annotation in raid5 code, by Logan Gunthorpe
- Support MD_BROKEN flag in raid-1/5/10, by Mariusz Tkaczyk
- Other small fixes/cleanups
- null_blk series making the configfs side much saner (Damien)
- Various minor drbd cleanups and fixes (Haowen, Uladzislau, Jiapeng,
Arnd, Cai)
- Avoid using the system workqueue (and hence flushing it) in rnbd
(Jack)
- Avoid using the system workqueue (and hence flushing it) in aoe
(Tetsuo)
- Series fixing discard_alignment issues in drivers (Christoph)
- Small series fixing drivers poking at disk->part0 for openers
information (Christoph)
- Series fixing deadlocks in loop (Christoph, Tetsuo)
- Remove loop.h and add SPDX headers (Christoph)
- Various fixes and cleanups (Julia, Xie, Yu)"
* tag 'for-5.19/drivers-2022-05-22' of git://git.kernel.dk/linux-block: (72 commits)
mtip32xx: fix typo in comment
nvme: set non-mdts limits in nvme_scan_work
nvme: add support for TP4084 - Time-to-Ready Enhancements
nvme: split the enum used for various register constants
nbd: Fix hung on disconnect request if socket is closed before
nvme-fabrics: add a request timeout helper
nvme-pci: harden drive presence detect in nvme_dev_disable()
nvme-pci: fix a NULL pointer dereference in nvme_alloc_admin_tags
nvme: mark internal passthru request RQF_QUIET
nvme: remove unneeded include from constants file
nvme: add missing status values to verbose logging
nvme: set dma alignment to dword
nvme: fix interpretation of DMRSL
loop: remove most the top-of-file boilerplate comment from the UAPI header
loop: remove most the top-of-file boilerplate comment
loop: add a SPDX header
loop: remove loop.h
block: null_blk: Improve device creation with configfs
block: null_blk: Cleanup messages
block: null_blk: Cleanup device creation and deletion
...
|
||
|
Linus Torvalds
|
115cd47132 |
for-5.19/block-2022-05-22
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Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block
Pull block updates from Jens Axboe:
"Here are the core block changes for 5.19. This contains:
- blk-throttle accounting fix (Laibin)
- Series removing redundant assignments (Michal)
- Expose bio cache via the bio_set, so that DM can use it (Mike)
- Finish off the bio allocation interface cleanups by dealing with
the weirdest member of the family. bio_kmalloc combines a kmalloc
for the bio and bio_vecs with a hidden bio_init call and magic
cleanup semantics (Christoph)
- Clean up the block layer API so that APIs consumed by file systems
are (almost) only struct block_device based, so that file systems
don't have to poke into block layer internals like the
request_queue (Christoph)
- Clean up the blk_execute_rq* API (Christoph)
- Clean up various lose end in the blk-cgroup code to make it easier
to follow in preparation of reworking the blkcg assignment for bios
(Christoph)
- Fix use-after-free issues in BFQ when processes with merged queues
get moved to different cgroups (Jan)
- BFQ fixes (Jan)
- Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming,
Wolfgang, me)"
* tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits)
blk-mq: fix typo in comment
bfq: Remove bfq_requeue_request_body()
bfq: Remove superfluous conversion from RQ_BIC()
bfq: Allow current waker to defend against a tentative one
bfq: Relax waker detection for shared queues
blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE()
blk-throttle: Set BIO_THROTTLED when bio has been throttled
blk-cgroup: Remove unnecessary rcu_read_lock/unlock()
blk-cgroup: always terminate io.stat lines
block, bfq: make bfq_has_work() more accurate
block, bfq: protect 'bfqd->queued' by 'bfqd->lock'
block: cleanup the VM accounting in submit_bio
block: Fix the bio.bi_opf comment
block: reorder the REQ_ flags
blk-iocost: combine local_stat and desc_stat to stat
block: improve the error message from bio_check_eod
block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone
block: remove superfluous calls to blkcg_bio_issue_init
kthread: unexport kthread_blkcg
blk-cgroup: cleanup blkcg_maybe_throttle_current
...
|
||
|
Linus Torvalds
|
f6792c877a |
for-5.19/cdrom-2022-05-22
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||
|
Linus Torvalds
|
df1c5d73d2 |
for-5.19/writeback-2022-05-22
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||
|
Linus Torvalds
|
9836e93c0a |
for-5.19/io_uring-passthrough-2022-05-22
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||
Marc Kleine-Budde
|
8f445a3ec3 |
can: ctucanfd: platform: add missing dependency to HAS_IOMEM
The kernel test robot noticed that the ctucanfd platform driver fails
during modpost on platforms that don't support IOMEM.
| ERROR: modpost: "devm_ioremap_resource" [drivers/net/can/ctucanfd/ctucanfd_platform.ko] undefined!
This patch adds the missing HAS_IOMEM dependency.
Link: https://lore.kernel.org/all/20220523123720.1656611-1-mkl@pengutronix.de
Fixes:
|
||
|
Jakub Kicinski
|
3e88445a3a |
can: kvaser_usb: silence a GCC 12 -Warray-bounds warning
This driver does a lot of casting of smaller buffers to struct kvaser_cmd_ext, GCC 12 does not like that: | drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:65: warning: array subscript ‘struct kvaser_cmd_ext[0]’ is partly outside array bounds of ‘unsigned char[32]’ [-Warray-bounds] | drivers/net/can/usb/kvaser_usb/kvaser_usb_hydra.c:489:23: note: in expansion of macro ‘le16_to_cpu’ | 489 | ret = le16_to_cpu(((struct kvaser_cmd_ext *)cmd)->len); | | ^~~~~~~~~~~ Temporarily silence this warning (move it to W=1 builds). Link: https://lore.kernel.org/all/20220520194659.2356903-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> Tested-by: Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
||
|
Julia Lawall
|
a682d18433 |
can: peak_usb: fix typo in comment
Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Link: https://lore.kernel.org/all/20220521111145.81697-24-Julia.Lawall@inria.fr Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
||
Colin Ian King
|
f9a3eca4bc |
selftests/bpf: Fix spelling mistake: "unpriviliged" -> "unprivileged"
There are spelling mistakes in ASSERT messages. Fix these. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20220523115604.49942-1-colin.i.king@gmail.com |
||
Yonghong Song
|
4050764cba |
selftests/bpf: fix btf_dump/btf_dump due to recent clang change
Latest llvm-project upstream had a change of behavior
related to qualifiers on function return type ([1]).
This caused selftests btf_dump/btf_dump failure.
The following example shows what changed.
$ cat t.c
typedef const char * const (* const (* const fn_ptr_arr2_t[5])())(char * (*)(int));
struct t {
int a;
fn_ptr_arr2_t l;
};
int foo(struct t *arg) {
return arg->a;
}
Compiled with latest upstream llvm15,
$ clang -O2 -g -target bpf -S -emit-llvm t.c
The related generated debuginfo IR looks like:
!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "fn_ptr_arr2_t", file: !1, line: 1, baseType: !17)
!17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 320, elements: !32)
!18 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !19)
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = !DISubroutineType(types: !21)
!21 = !{!22, null}
!22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23, size: 64)
!23 = !DISubroutineType(types: !24)
!24 = !{!25, !28}
!25 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !26, size: 64)
!26 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !27)
!27 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
You can see two intermediate const qualifier to pointer are dropped in debuginfo IR.
With llvm14, we have following debuginfo IR:
!16 = !DIDerivedType(tag: DW_TAG_typedef, name: "fn_ptr_arr2_t", file: !1, line: 1, baseType: !17)
!17 = !DICompositeType(tag: DW_TAG_array_type, baseType: !18, size: 320, elements: !34)
!18 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !19)
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = !DISubroutineType(types: !21)
!21 = !{!22, null}
!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !24, size: 64)
!24 = !DISubroutineType(types: !25)
!25 = !{!26, !30}
!26 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !27)
!27 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !28, size: 64)
!28 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !29)
!29 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
All const qualifiers are preserved.
To adapt the selftest to both old and new llvm, this patch removed
the intermediate const qualifier in const-to-ptr types, to make the
test succeed again.
[1] https://reviews.llvm.org/D125919
Reported-by: Mykola Lysenko <mykolal@fb.com>
Signed-off-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20220523152044.3905809-1-yhs@fb.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
|
||
Luiz Augusto von Dentz
|
c9f73a2178 |
Bluetooth: hci_conn: Fix hci_connect_le_sync
The handling of connection failures shall be handled by the request
completion callback as already done by hci_cs_le_create_conn, also make
sure to use hci_conn_failed instead of hci_le_conn_failed as the later
don't actually call hci_conn_del to cleanup.
Link: https://github.com/bluez/bluez/issues/340
Fixes:
|
||
|
Linus Torvalds
|
e1a8fde720 |
for-5.19/io_uring-net-2022-05-22
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||
Björn Ardö
|
bca1a10046 |
mailbox: forward the hrtimer if not queued and under a lock
This reverts commit |
||
|
Linus Torvalds
|
368da430d0 |
for-5.19/io_uring-socket-2022-05-22
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||
|
Linus Torvalds
|
09beaff75e |
for-5.19/io_uring-xattr-2022-05-22
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|
Linus Torvalds
|
3a166bdbf3 |
for-5.19/io_uring-2022-05-22
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Merge tag 'for-5.19/io_uring-2022-05-22' of git://git.kernel.dk/linux-block
Pull io_uring updates from Jens Axboe:
"Here are the main io_uring changes for 5.19. This contains:
- Fixes for sparse type warnings (Christoph, Vasily)
- Support for multi-shot accept (Hao)
- Support for io_uring managed fixed files, rather than always
needing the applicationt o manage the indices (me)
- Fix for a spurious poll wakeup (Dylan)
- CQE overflow fixes (Dylan)
- Support more types of cancelations (me)
- Support for co-operative task_work signaling, rather than always
forcing an IPI (me)
- Support for doing poll first when appropriate, rather than always
attempting a transfer first (me)
- Provided buffer cleanups and support for mapped buffers (me)
- Improve how io_uring handles inflight SCM files (Pavel)
- Speedups for registered files (Pavel, me)
- Organize the completion data in a struct in io_kiocb rather than
keep it in separate spots (Pavel)
- task_work improvements (Pavel)
- Cleanup and optimize the submission path, in general and for
handling links (Pavel)
- Speedups for registered resource handling (Pavel)
- Support sparse buffers and file maps (Pavel, me)
- Various fixes and cleanups (Almog, Pavel, me)"
* tag 'for-5.19/io_uring-2022-05-22' of git://git.kernel.dk/linux-block: (111 commits)
io_uring: fix incorrect __kernel_rwf_t cast
io_uring: disallow mixed provided buffer group registrations
io_uring: initialize io_buffer_list head when shared ring is unregistered
io_uring: add fully sparse buffer registration
io_uring: use rcu_dereference in io_close
io_uring: consistently use the EPOLL* defines
io_uring: make apoll_events a __poll_t
io_uring: drop a spurious inline on a forward declaration
io_uring: don't use ERR_PTR for user pointers
io_uring: use a rwf_t for io_rw.flags
io_uring: add support for ring mapped supplied buffers
io_uring: add io_pin_pages() helper
io_uring: add buffer selection support to IORING_OP_NOP
io_uring: fix locking state for empty buffer group
io_uring: implement multishot mode for accept
io_uring: let fast poll support multishot
io_uring: add REQ_F_APOLL_MULTISHOT for requests
io_uring: add IORING_ACCEPT_MULTISHOT for accept
io_uring: only wake when the correct events are set
io_uring: avoid io-wq -EAGAIN looping for !IOPOLL
...
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||
Julian Schroeder
|
fd5e363eac |
nfsd: destroy percpu stats counters after reply cache shutdown
Upon nfsd shutdown any pending DRC cache is freed. DRC cache use is
tracked via a percpu counter. In the current code the percpu counter
is destroyed before. If any pending cache is still present,
percpu_counter_add is called with a percpu counter==NULL. This causes
a kernel crash.
The solution is to destroy the percpu counter after the cache is freed.
Fixes:
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||
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Linus Torvalds
|
1e57930e9f |
RCU pull request for v5.19
This pull request contains the following branches: docs.2022.04.20a: Documentation updates. fixes.2022.04.20a: Miscellaneous fixes. nocb.2022.04.11b: Callback-offloading updates, mainly simplifications. rcu-tasks.2022.04.11b: RCU-tasks updates, including some -rt fixups, handling of systems with sparse CPU numbering, and a fix for a boot-time race-condition failure. srcu.2022.05.03a: Put SRCU on a memory diet in order to reduce the size of the srcu_struct structure. torture.2022.04.11b: Torture-test updates fixing some bugs in tests and closing some testing holes. torture-tasks.2022.04.20a: Torture-test updates for the RCU tasks flavors, most notably ensuring that building rcutorture and friends does not change the RCU-tasks-related Kconfig options. torturescript.2022.04.20a: Torture-test scripting updates. exp.2022.05.11a: Expedited grace-period updates, most notably providing milliseconds-scale (not all that) soft real-time response from synchronize_rcu_expedited(). This is also the first time in almost 30 years of RCU that someone other than me has pushed for a reduction in the RCU CPU stall-warning timeout, in this case by more than three orders of magnitude from 21 seconds to 20 milliseconds. This tighter timeout applies only to expedited grace periods. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmKG2zcTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jGXgD/90xtRtZyN0umlN/IOBBn8fIOM+BAMu 5k3ef6wLsXKXlLO13WTjSitypX9LEFwytTeVhEyN4ODeX0cI9mUmts6Z8/6sV92D fN8vqTavveE7m5YfFfLRvDRfVHpB0LpLMM+V0qWPu/F8dWPDKA0225rX9IC7iICP LkxCuNVNzJ0cLaVTvsUWlxMdHcogydXZb1gPDVRhnR6iVFWCBtL4RRpU41CoSNh4 fWRSLQak6OhZRFE7hVoLQhZyLE0GIw1fuUJgj2fCllhgGogDx78FQ8jHdDzMEhVk cD4Yel5vUPiy2AKphGfi28bKFYcyhVBnD/Jq733VJV0/szyddxNbz0xKpEA0/8qh w1T7IjBN6MAKHSh0uUitm6U24VN13m4r30HrUQSpp71VFZkUD4QS6TismKsaRNjR lK4q2QKBprBb3Hv7KPAGYT1Us3aS7qLPrgPf3gzSxL1aY5QV0A5UpPP6RKTLbWPl CEQxEno6g5LTHwKd5QD74dG8ccphg9377lDMJpeesYShBqlLNrNWCxqJoZk2HnSf f2dTQeQWrtRJjeTGy/4cfONCGZTghE0Pch43XMzLLt3ZTuDc8FVM0t3Xs9J5Kg22 zmThQh6LRXTGjrb1vLiOrjPf5JaTnX2Sz8OUJTo/ZxwcixxP/mj8Ja+W81NjfqnK LLZ1D6UN4a8n9A== =4spH -----END PGP SIGNATURE----- Merge tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull RCU update from Paul McKenney: - Documentation updates - Miscellaneous fixes - Callback-offloading updates, mainly simplifications - RCU-tasks updates, including some -rt fixups, handling of systems with sparse CPU numbering, and a fix for a boot-time race-condition failure - Put SRCU on a memory diet in order to reduce the size of the srcu_struct structure - Torture-test updates fixing some bugs in tests and closing some testing holes - Torture-test updates for the RCU tasks flavors, most notably ensuring that building rcutorture and friends does not change the RCU-tasks-related Kconfig options - Torture-test scripting updates - Expedited grace-period updates, most notably providing milliseconds-scale (not all that) soft real-time response from synchronize_rcu_expedited(). This is also the first time in almost 30 years of RCU that someone other than me has pushed for a reduction in the RCU CPU stall-warning timeout, in this case by more than three orders of magnitude from 21 seconds to 20 milliseconds. This tighter timeout applies only to expedited grace periods * tag 'rcu.2022.05.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (80 commits) rcu: Move expedited grace period (GP) work to RT kthread_worker rcu: Introduce CONFIG_RCU_EXP_CPU_STALL_TIMEOUT srcu: Drop needless initialization of sdp in srcu_gp_start() srcu: Prevent expedited GPs and blocking readers from consuming CPU srcu: Add contention check to call_srcu() srcu_data ->lock acquisition srcu: Automatically determine size-transition strategy at boot rcutorture: Make torture.sh allow for --kasan rcutorture: Make torture.sh refscale and rcuscale specify Tasks Trace RCU rcutorture: Make kvm.sh allow more memory for --kasan runs torture: Save "make allmodconfig" .config file scftorture: Remove extraneous "scf" from per_version_boot_params rcutorture: Adjust scenarios' Kconfig options for CONFIG_PREEMPT_DYNAMIC torture: Enable CSD-lock stall reports for scftorture torture: Skip vmlinux check for kvm-again.sh runs scftorture: Adjust for TASKS_RCU Kconfig option being selected rcuscale: Allow rcuscale without RCU Tasks Rude/Trace rcuscale: Allow rcuscale without RCU Tasks refscale: Allow refscale without RCU Tasks Rude/Trace refscale: Allow refscale without RCU Tasks rcutorture: Allow specifying per-scenario stat_interval ... |
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Linus Torvalds
|
b2f02e9cda |
LKMM pull request for v5.18
This pull request updates the klitmus7 compatibility table to indicate that herdtools7 7.56.1 or better is required for Linux kernel v5.17 or later. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmKH2lYTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jBMZD/0TzL2gmNS7YETSlhy6P8upsOSo85Cq 4CzFqFHewVrHThA6q5ZoTzRAeBgnWe8VYYOhnKOQtYGfj2Qo2Tzo/WAN5gg5N4kf iOL8r6kjcIwM941Fqeg89296ofQqJCU9vUZQSWvNnk8HKXnEr7Aj+smqrOURlzG8 yMVZ/RLod58IlNyFxPdYNZYcf04mVIK89Nf6JGZNCAIZhgJmaU7RXga4xsPjXsY4 UTFmYJYIzRtL6blqK5dtjuUYMMlkAWX9q7te1Ela51nDjwYV5wv+hH2pzgsbkcv4 vHWYkfJmXn1ofB8tKPwYVMWD4PKGV37umSsS8Xc4Mo2BnlZyic5xRtiGDAP+cnXb snlZSzRR/iRjY4g8CrXxhmrdlMSpX+3z9LQwhQG6hjRAE7X1TN7JXj3GRTYe1o2Q a5U7xZhhq2IbMaDAru4KX89rYLWnoNVTaD3fgU/Rx99bGTfKn7bh5jP3UzcFGRZ7 oK8x2coeVjNLTS4ioQgLYJJQ6B2lzl2ZFAUz6W5YuxLtOgwaMt31pcFZhwhv9HQB KLcya+a7Il2fcxVGU2Ir1M1ak1Vxw5neBdRuhIVl1LRYhVzlAbFgKJA/Va1cIP5J FHbRW4+pWd5dg5DRXI/D7qNLxOGX9ocQtffG07nMX3In1fBlAr5hvfXqMv4czsjW R27sC7ums56hCQ== =h2II -----END PGP SIGNATURE----- Merge tag 'lkmm.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull LKMM update from Paul McKenney: "This updates the klitmus7 compatibility table to indicate that herdtools7 7.56.1 or better is required for Linux kernel v5.17 or later" * tag 'lkmm.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: tools/memory-model/README: Update klitmus7 compat table |
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Linus Torvalds
|
f814957b01 |
Pull request for nolibc library for v5.19
This pull request adds a number of library functions and splits this library into multiple files. -----BEGIN PGP SIGNATURE----- iQJHBAABCgAxFiEEbK7UrM+RBIrCoViJnr8S83LZ+4wFAmKH2pQTHHBhdWxtY2tA a2VybmVsLm9yZwAKCRCevxLzctn7jEduEACep6ZSvKqdY2TQoepLyQRjJ9ASVxcB OU2xKQ4T5qa7235mFcoZo9oQY8wAVYx/iUjzUOTO27FBA7x+bqlg9xJT5ZvwANKC YPHqHHIEFLrDjSPCHnh3K9YAfy3szUeFm4sW/xba2U/LiosKhKDZjkPjPrzwBV7b 1ioaMx/ATSwIo9zofcE3NgMQx/Y975QN2e9gako4JiHTN0IflhTUIzQ/Nmiw6GPW 6LXB/nKD1zwaqRccg7qHhP9yzqy5dpQ4bPKEdeChQUKoFzDTfzz/14miYm3TCQm4 uHCAELGGrzFjP0jZayNoLn6XJn21G3x2L0Z5FVt7DhOg+5LbTWlobi3q0O0WH220 cf6GQ8irLnWVp/SVh/w3FJk73S39Max9kShPzQSLchrfdDBu1r3t09YU6nrqWSiK R2fJqF5ljgZcXY8THFtLtQwd7d7BBXKWeNdn0BLe4Zjeuc2XfaZtysAxz/+tWn9/ ywuYJQAAk59dBmwWRdZ9Q425HSallGRKRw7Wrj5JUS464ys8/aFuRX3vY/hpCZ7R IQbmNpJnzGItxQGA0vBLepddm3lD3OTGFsG/S6q4kaOS247vwvKXl+ohICAAOSGo EfW0PYDfAiFykyRb4FOeXlEjfS72WddnjhsrUQXSBF8sIIqkm+ewbQo4RqtY5G1o N1YVfyLXQ+sgFQ== =1Nbj -----END PGP SIGNATURE----- Merge tag 'nolibc.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull nolibc library updates from Paul McKenney: "This adds a number of library functions and splits this library into multiple files" * tag 'nolibc.2022.05.20a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: (61 commits) tools/nolibc/string: Implement `strdup()` and `strndup()` tools/nolibc/string: Implement `strnlen()` tools/nolibc/stdlib: Implement `malloc()`, `calloc()`, `realloc()` and `free()` tools/nolibc/types: Implement `offsetof()` and `container_of()` macro tools/nolibc/sys: Implement `mmap()` and `munmap()` tools/nolibc: i386: Implement syscall with 6 arguments tools/nolibc: Remove .global _start from the entry point code tools/nolibc: Replace `asm` with `__asm__` tools/nolibc: x86-64: Update System V ABI document link tools/nolibc/stdlib: only reference the external environ when inlined tools/nolibc/string: do not use __builtin_strlen() at -O0 tools/nolibc: add the nolibc subdir to the common Makefile tools/nolibc: add a makefile to install headers tools/nolibc/types: add poll() and waitpid() flag definitions tools/nolibc/sys: add syscall definition for getppid() tools/nolibc/string: add strcmp() and strncmp() tools/nolibc/stdio: add support for '%p' to vfprintf() tools/nolibc/stdlib: add a simple getenv() implementation tools/nolibc/stdio: make printf(%s) accept NULL tools/nolibc/stdlib: implement abort() ... |
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Rafael J. Wysocki
|
bbb544f334 |
Merge branches 'thermal-int340x', 'thermal-pch' and 'thermal-misc'
Merge int340x thermal driver updates, PCH thermal driver updates and miscellaneous thermal control updates for 5.19-rc1: - Clean up _OSC handling in int340x (Davidlohr Bueso). - Improve overheat condition handling during suspend-to-idle in the Intel PCH thermal driver (Zhang Rui). - Use local ops instead of global ops in devfreq_cooling (Kant Fan). - Switch hisi_termal from CONFIG_PM_SLEEP guards to pm_sleep_ptr() (Hesham Almatary) * thermal-int340x: thermal: int340x: Clean up _OSC context init thermal: int340x: Consolidate freeing of acpi_buffer pointer thermal: int340x: Clean up unnecessary acpi_buffer pointer freeing * thermal-pch: thermal: intel: pch: improve the cooling delay log thermal: intel: pch: enhance overheat handling thermal: intel: pch: move cooling delay to suspend_noirq phase PM: wakeup: expose pm_wakeup_pending to modules * thermal-misc: thermal: devfreq_cooling: use local ops instead of global ops thermal: hisi_termal: Switch from CONFIG_PM_SLEEP guards to pm_sleep_ptr() |
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Rafael J. Wysocki
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388292df27 | Merge back earlier thermal control updates for 5.19-rc1. | ||
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Linus Torvalds
|
bf2431021c |
EFI updates for v5.19
- Allow runtime services to be re-enabled at boot on RT kernels. - Provide access to secrets injected into the boot image by CoCo hypervisors (COnfidential COmputing) - Use DXE services on x86 to make the boot image executable after relocation, if needed. - Prefer mirrored memory for randomized allocations. - Only randomize the placement of the kernel image on arm64 if the loader has not already done so. - Add support for obtaining the boot hartid from EFI on RISC-V. -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE+9lifEBpyUIVN1cpw08iOZLZjyQFAmKHRF4ACgkQw08iOZLZ jyTAlQv9GSctgp3ItPEG7/dF90f2u/ezaqiyLt1ug3cnOrzZL6cbaQPJt/XtxeMY XA4eO8aNrMyioClKu2+KEqQgIiNc30HgwOWMxfZpWBWLVlrx5PhvTbwJB6Wfb8r3 WFze5lc6X2Yttp3jxUU9jLUTPVTJx8SjyhGwBXbzN63aiGv8+bGjD5e4pPg1axP/ HvUwVpRzK5uU0ju1IM7BPvIjjAOiciwC+KbLjj8Hm++LIbwju7QHlJWy9oMKD1X5 yuZsIan2dTM+4OclTji7HlSg6c4IFlhMj7GHGJD62aWNyM0/tZokOCIVY1wITXyS KRsxag4gjtkVBRNvAHsRsYe3aZ+jQ5DzhGEGTipNGnj3b8FOecuWFSn5a/aMdNkV kMSOAbdjZu8xGllroFWS199BamCb6SHijnbv8EzeWNgJXofwxn8vumdgxXZuHIe9 md1gP2QIuo3/R15zcgy54buB11JD4PeDV7NuovuTQUzFuvsIyIKbEkLMBwEl3j4N TIlijEyI =xqxQ -----END PGP SIGNATURE----- Merge tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi Pull EFI updates from Ard Biesheuvel: - Allow runtime services to be re-enabled at boot on RT kernels. - Provide access to secrets injected into the boot image by CoCo hypervisors (COnfidential COmputing) - Use DXE services on x86 to make the boot image executable after relocation, if needed. - Prefer mirrored memory for randomized allocations. - Only randomize the placement of the kernel image on arm64 if the loader has not already done so. - Add support for obtaining the boot hartid from EFI on RISC-V. * tag 'efi-next-for-v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi: riscv/efi_stub: Add support for RISCV_EFI_BOOT_PROTOCOL efi: stub: prefer mirrored memory for randomized allocations efi/arm64: libstub: run image in place if randomized by the loader efi: libstub: pass image handle to handle_kernel_image() efi: x86: Set the NX-compatibility flag in the PE header efi: libstub: ensure allocated memory to be executable efi: libstub: declare DXE services table efi: Add missing prototype for efi_capsule_setup_info docs: security: Add secrets/coco documentation efi: Register efi_secret platform device if EFI secret area is declared virt: Add efi_secret module to expose confidential computing secrets efi: Save location of EFI confidential computing area efi: Allow to enable EFI runtime services by default on RT |
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Julia Lawall
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ff2095976c |
s390/bpf: Fix typo in comment
Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Ilya Leoshkevich <iii@linux.ibm.com> Link: https://lore.kernel.org/bpf/20220521111145.81697-84-Julia.Lawall@inria.fr |
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Julia Lawall
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bb412cf1d7 |
libbpf: Fix typo in comment
Spelling mistake (triple letters) in comment. Detected with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Acked-by: Daniel Müller <deso@posteo.net> Link: https://lore.kernel.org/bpf/20220521111145.81697-71-Julia.Lawall@inria.fr |
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Jens Axboe
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df7e7f2ba0 |
Merge branch 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.19/drivers
Pull MD updates from Song: "- Remove uses of bdevname, by Christoph Hellwig; - Bug fixes by Guoqing Jiang, and Xiao Ni." * 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md: md: fix double free of io_acct_set bioset md: Don't set mddev private to NULL in raid0 pers->free md: remove most calls to bdevname md: protect md_unregister_thread from reentrancy md: don't unregister sync_thread with reconfig_mutex held |
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Michal Orzel
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eaff451d4b |
smack: Remove redundant assignments
Get rid of redundant assignments which end up in values not being read either because they are overwritten or the function ends. Reported by clang-tidy [deadcode.DeadStores] Signed-off-by: Michal Orzel <michalorzel.eng@gmail.com> Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> |