Revision tags: v6.6.67, v6.6.66, v6.6.65, v6.6.64, v6.6.63, v6.6.62, v6.6.61, v6.6.60, v6.6.59, v6.6.58, v6.6.57, v6.6.56, v6.6.55, v6.6.54, v6.6.53, v6.6.52, v6.6.51, v6.6.50, v6.6.49, v6.6.48, v6.6.47, v6.6.46, v6.6.45, v6.6.44, v6.6.43, v6.6.42, v6.6.41, v6.6.40, v6.6.39, v6.6.38, v6.6.37, v6.6.36, v6.6.35, v6.6.34, v6.6.33, v6.6.32, v6.6.31, v6.6.30, v6.6.29, v6.6.28, v6.6.27, v6.6.26, v6.6.25, v6.6.24 |
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5ee9cd06 |
| 27-Mar-2024 |
Andrew Jeffery <andrew@codeconstruct.com.au> |
Merge tag 'v6.6.23' into dev-6.6
Linux 6.6.23
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Revision tags: v6.6.23 |
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5fcee137 |
| 19-Mar-2024 |
Yan Zhai <yan@cloudflare.com> |
bpf: report RCU QS in cpumap kthread
[ Upstream commit 00bf63122459e87193ee7f1bc6161c83a525569f ]
When there are heavy load, cpumap kernel threads can be busy polling packets from redirect queues a
bpf: report RCU QS in cpumap kthread
[ Upstream commit 00bf63122459e87193ee7f1bc6161c83a525569f ]
When there are heavy load, cpumap kernel threads can be busy polling packets from redirect queues and block out RCU tasks from reaching quiescent states. It is insufficient to just call cond_resched() in such context. Periodically raise a consolidated RCU QS before cond_resched fixes the problem.
Fixes: 6710e1126934 ("bpf: introduce new bpf cpu map type BPF_MAP_TYPE_CPUMAP") Reviewed-by: Jesper Dangaard Brouer <hawk@kernel.org> Signed-off-by: Yan Zhai <yan@cloudflare.com> Acked-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Jesper Dangaard Brouer <hawk@kernel.org> Link: https://lore.kernel.org/r/c17b9f1517e19d813da3ede5ed33ee18496bb5d8.1710877680.git.yan@cloudflare.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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f8b04488 |
| 17-Mar-2024 |
Andrew Jeffery <andrew@codeconstruct.com.au> |
Merge tag 'v6.6.22' into dev-6.6
Linux 6.6.22
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f562e4c4 |
| 05-Mar-2024 |
Toke Høiland-Jørgensen <toke@redhat.com> |
cpumap: Zero-initialise xdp_rxq_info struct before running XDP program
[ Upstream commit 2487007aa3b9fafbd2cb14068f49791ce1d7ede5 ]
When running an XDP program that is attached to a cpumap entry, w
cpumap: Zero-initialise xdp_rxq_info struct before running XDP program
[ Upstream commit 2487007aa3b9fafbd2cb14068f49791ce1d7ede5 ]
When running an XDP program that is attached to a cpumap entry, we don't initialise the xdp_rxq_info data structure being used in the xdp_buff that backs the XDP program invocation. Tobias noticed that this leads to random values being returned as the xdp_md->rx_queue_index value for XDP programs running in a cpumap.
This means we're basically returning the contents of the uninitialised memory, which is bad. Fix this by zero-initialising the rxq data structure before running the XDP program.
Fixes: 9216477449f3 ("bpf: cpumap: Add the possibility to attach an eBPF program to cpumap") Reported-by: Tobias Böhm <tobias@aibor.de> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20240305213132.11955-1-toke@redhat.com Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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Revision tags: v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3 |
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c900529f |
| 12-Sep-2023 |
Thomas Zimmermann <tzimmermann@suse.de> |
Merge drm/drm-fixes into drm-misc-fixes
Forwarding to v6.6-rc1.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
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Revision tags: v6.5.2, v6.1.51, v6.5.1 |
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1ac731c5 |
| 30-Aug-2023 |
Dmitry Torokhov <dmitry.torokhov@gmail.com> |
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
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Revision tags: v6.1.50 |
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bd6c11bc |
| 29-Aug-2023 |
Linus Torvalds <torvalds@linux-foundation.org> |
Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni: "Core:
- Increase size limits for to-be-sent skb frag allocat
Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Paolo Abeni: "Core:
- Increase size limits for to-be-sent skb frag allocations. This allows tun, tap devices and packet sockets to better cope with large writes operations
- Store netdevs in an xarray, to simplify iterating over netdevs
- Refactor nexthop selection for multipath routes
- Improve sched class lifetime handling
- Add backup nexthop ID support for bridge
- Implement drop reasons support in openvswitch
- Several data races annotations and fixes
- Constify the sk parameter of routing functions
- Prepend kernel version to netconsole message
Protocols:
- Implement support for TCP probing the peer being under memory pressure
- Remove hard coded limitation on IPv6 specific info placement inside the socket struct
- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per socket scaling factor
- Scaling-up the IPv6 expired route GC via a separated list of expiring routes
- In-kernel support for the TLS alert protocol
- Better support for UDP reuseport with connected sockets
- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR header size
- Get rid of additional ancillary per MPTCP connection struct socket
- Implement support for BPF-based MPTCP packet schedulers
- Format MPTCP subtests selftests results in TAP
- Several new SMC 2.1 features including unique experimental options, max connections per lgr negotiation, max links per lgr negotiation
BPF:
- Multi-buffer support in AF_XDP
- Add multi uprobe BPF links for attaching multiple uprobes and usdt probes, which is significantly faster and saves extra fds
- Implement an fd-based tc BPF attach API (TCX) and BPF link support on top of it
- Add SO_REUSEPORT support for TC bpf_sk_assign
- Support new instructions from cpu v4 to simplify the generated code and feature completeness, for x86, arm64, riscv64
- Support defragmenting IPv(4|6) packets in BPF
- Teach verifier actual bounds of bpf_get_smp_processor_id() and fix perf+libbpf issue related to custom section handling
- Introduce bpf map element count and enable it for all program types
- Add a BPF hook in sys_socket() to change the protocol ID from IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy
- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress
- Add uprobe support for the bpf_get_func_ip helper
- Check skb ownership against full socket
- Support for up to 12 arguments in BPF trampoline
- Extend link_info for kprobe_multi and perf_event links
Netfilter:
- Speed-up process exit by aborting ruleset validation if a fatal signal is pending
- Allow NLA_POLICY_MASK to be used with BE16/BE32 types
Driver API:
- Page pool optimizations, to improve data locality and cache usage
- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the need for raw ioctl() handling in drivers
- Simplify genetlink dump operations (doit/dumpit) providing them the common information already populated in struct genl_info
- Extend and use the yaml devlink specs to [re]generate the split ops
- Introduce devlink selective dumps, to allow SF filtering SF based on handle and other attributes
- Add yaml netlink spec for netlink-raw families, allow route, link and address related queries via the ynl tool
- Remove phylink legacy mode support
- Support offload LED blinking to phy
- Add devlink port function attributes for IPsec
New hardware / drivers:
- Ethernet: - Broadcom ASP 2.0 (72165) ethernet controller - MediaTek MT7988 SoC - Texas Instruments AM654 SoC - Texas Instruments IEP driver - Atheros qca8081 phy - Marvell 88Q2110 phy - NXP TJA1120 phy
- WiFi: - MediaTek mt7981 support
- Can: - Kvaser SmartFusion2 PCI Express devices - Allwinner T113 controllers - Texas Instruments tcan4552/4553 chips
- Bluetooth: - Intel Gale Peak - Qualcomm WCN3988 and WCN7850 - NXP AW693 and IW624 - Mediatek MT2925
Drivers:
- Ethernet NICs: - nVidia/Mellanox: - mlx5: - support UDP encapsulation in packet offload mode - IPsec packet offload support in eswitch mode - improve aRFS observability by adding new set of counters - extends MACsec offload support to cover RoCE traffic - dynamic completion EQs - mlx4: - convert to use auxiliary bus instead of custom interface logic - Intel - ice: - implement switchdev bridge offload, even for LAG interfaces - implement SRIOV support for LAG interfaces - igc: - add support for multiple in-flight TX timestamps - Broadcom: - bnxt: - use the unified RX page pool buffers for XDP and non-XDP - use the NAPI skb allocation cache - OcteonTX2: - support Round Robin scheduling HTB offload - TC flower offload support for SPI field - Freescale: - add XDP_TX feature support - AMD: - ionic: add support for PCI FLR event - sfc: - basic conntrack offload - introduce eth, ipv4 and ipv6 pedit offloads - ST Microelectronics: - stmmac: maximze PTP timestamping resolution
- Virtual NICs: - Microsoft vNIC: - batch ringing RX queue doorbell on receiving packets - add page pool for RX buffers - Virtio vNIC: - add per queue interrupt coalescing support - Google vNIC: - add queue-page-list mode support
- Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add port range matching tc-flower offload - permit enslavement to netdevices with uppers
- Ethernet embedded switches: - Marvell (mv88e6xxx): - convert to phylink_pcs - Renesas: - r8A779fx: add speed change support - rzn1: enables vlan support
- Ethernet PHYs: - convert mv88e6xxx to phylink_pcs
- WiFi: - Qualcomm Wi-Fi 7 (ath12k): - extremely High Throughput (EHT) PHY support - RealTek (rtl8xxxu): - enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU), RTL8192EU and RTL8723BU - RealTek (rtw89): - Introduce Time Averaged SAR (TAS) support
- Connector: - support for event filtering"
* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits) net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler net: stmmac: clarify difference between "interface" and "phy_interface" r8152: add vendor/device ID pair for D-Link DUB-E250 devlink: move devlink_notify_register/unregister() to dev.c devlink: move small_ops definition into netlink.c devlink: move tracepoint definitions into core.c devlink: push linecard related code into separate file devlink: push rate related code into separate file devlink: push trap related code into separate file devlink: use tracepoint_enabled() helper devlink: push region related code into separate file devlink: push param related code into separate file devlink: push resource related code into separate file devlink: push dpipe related code into separate file devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper devlink: push shared buffer related code into separate file devlink: push port related code into separate file devlink: push object register/unregister notifications into separate helpers inet: fix IP_TRANSPARENT error handling ...
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692f5510 |
| 28-Aug-2023 |
Takashi Iwai <tiwai@suse.de> |
Merge tag 'asoc-v6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.6
The rest of the updates for v6.6, some of the highlights include:
- A
Merge tag 'asoc-v6.6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v6.6
The rest of the updates for v6.6, some of the highlights include:
- A big API cleanup from Morimoto-san, rationalising the places we put functions. - Lots of work on the SOF framework, AMD and Intel drivers, including a lot of cleanup and new device support. - Standardisation of the presentation of jacks from drivers. - Provision of some generic sound card DT properties. - Conversion oof more drivers to the maple tree register cache. - New drivers for AMD Van Gogh, AWInic AW88261, Cirrus Logic cs42l43, various Intel platforms, Mediatek MT7986, RealTek RT1017 and StarFive JH7110.
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Revision tags: v6.5, v6.1.49, v6.1.48 |
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bebfbf07 |
| 25-Aug-2023 |
Jakub Kicinski <kuba@kernel.org> |
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
==================== pull-request: bpf-next 2023-08-25
We've added 87 non-merge commits
Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:
==================== pull-request: bpf-next 2023-08-25
We've added 87 non-merge commits during the last 8 day(s) which contain a total of 104 files changed, 3719 insertions(+), 4212 deletions(-).
The main changes are:
1) Add multi uprobe BPF links for attaching multiple uprobes and usdt probes, which is significantly faster and saves extra fds, from Jiri Olsa.
2) Add support BPF cpu v4 instructions for arm64 JIT compiler, from Xu Kuohai.
3) Add support BPF cpu v4 instructions for riscv64 JIT compiler, from Pu Lehui.
4) Fix LWT BPF xmit hooks wrt their return values where propagating the result from skb_do_redirect() would trigger a use-after-free, from Yan Zhai.
5) Fix a BPF verifier issue related to bpf_kptr_xchg() with local kptr where the map's value kptr type and locally allocated obj type mismatch, from Yonghong Song.
6) Fix BPF verifier's check_func_arg_reg_off() function wrt graph root/node which bypassed reg->off == 0 enforcement, from Kumar Kartikeya Dwivedi.
7) Lift BPF verifier restriction in networking BPF programs to treat comparison of packet pointers not as a pointer leak, from Yafang Shao.
8) Remove unmaintained XDP BPF samples as they are maintained in xdp-tools repository out of tree, from Toke Høiland-Jørgensen.
9) Batch of fixes for the tracing programs from BPF samples in order to make them more libbpf-aware, from Daniel T. Lee.
10) Fix a libbpf signedness determination bug in the CO-RE relocation handling logic, from Andrii Nakryiko.
11) Extend libbpf to support CO-RE kfunc relocations. Also follow-up fixes for bpf_refcount shared ownership implementation, both from Dave Marchevsky.
12) Add a new bpf_object__unpin() API function to libbpf, from Daniel Xu.
13) Fix a memory leak in libbpf to also free btf_vmlinux when the bpf_object gets closed, from Hao Luo.
14) Small error output improvements to test_bpf module, from Helge Deller.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (87 commits) selftests/bpf: Add tests for rbtree API interaction in sleepable progs bpf: Allow bpf_spin_{lock,unlock} in sleepable progs bpf: Consider non-owning refs to refcounted nodes RCU protected bpf: Reenable bpf_refcount_acquire bpf: Use bpf_mem_free_rcu when bpf_obj_dropping refcounted nodes bpf: Consider non-owning refs trusted bpf: Ensure kptr_struct_meta is non-NULL for collection insert and refcount_acquire selftests/bpf: Enable cpu v4 tests for RV64 riscv, bpf: Support unconditional bswap insn riscv, bpf: Support signed div/mod insns riscv, bpf: Support 32-bit offset jmp insn riscv, bpf: Support sign-extension mov insns riscv, bpf: Support sign-extension load insns riscv, bpf: Fix missing exception handling and redundant zext for LDX_B/H/W samples/bpf: Add note to README about the XDP utilities moved to xdp-tools samples/bpf: Cleanup .gitignore samples/bpf: Remove the xdp_sample_pkts utility samples/bpf: Remove the xdp1 and xdp2 utilities samples/bpf: Remove the xdp_rxq_info utility samples/bpf: Remove the xdp_redirect* utilities ... ====================
Link: https://lore.kernel.org/r/20230825194319.12727-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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fdebffeb |
| 23-Aug-2023 |
Dave Airlie <airlied@redhat.com> |
BackMerge tag 'v6.5-rc7' into drm-next
Linux 6.5-rc7
This is needed for the CI stuff and the msm pull has fixes in it.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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3fb5a656 |
| 23-Aug-2023 |
Christian Brauner <brauner@kernel.org> |
Merge tag 'vfs-6.6-merge-2' of ssh://gitolite.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull filesystem freezing updates from Darrick Wong:
New code for 6.6:
* Allow the kernel to initiate a freeze of
Merge tag 'vfs-6.6-merge-2' of ssh://gitolite.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull filesystem freezing updates from Darrick Wong:
New code for 6.6:
* Allow the kernel to initiate a freeze of a filesystem. The kernel and userspace can both hold a freeze on a filesystem at the same time; the freeze is not lifted until /both/ holders lift it. This will enable us to fix a longstanding bug in XFS online fsck.
Signed-off-by: Darrick J. Wong <djwong@kernel.org> Message-Id: <20230822182604.GB11286@frogsfrogsfrogs> Signed-off-by: Christian Brauner <brauner@kernel.org>
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#
0bbe0649 |
| 22-Aug-2023 |
Mark Brown <broonie@kernel.org> |
Add cs42l43 PC focused SoundWire CODEC
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:
This patch chain adds support for the Cirrus Logic cs42l43 PC focused SoundWire CODEC. The c
Add cs42l43 PC focused SoundWire CODEC
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:
This patch chain adds support for the Cirrus Logic cs42l43 PC focused SoundWire CODEC. The chain is currently based of Lee's for-mfd-next branch.
This series is mostly just a resend keeping pace with the kernel under it, except for a minor fixup in the ASoC stuff.
Thanks, Charles
Charles Keepax (4): dt-bindings: mfd: cirrus,cs42l43: Add initial DT binding mfd: cs42l43: Add support for cs42l43 core driver pinctrl: cs42l43: Add support for the cs42l43 ASoC: cs42l43: Add support for the cs42l43
Lucas Tanure (2): soundwire: bus: Allow SoundWire peripherals to register IRQ handlers spi: cs42l43: Add SPI controller support
.../bindings/sound/cirrus,cs42l43.yaml | 313 +++ MAINTAINERS | 4 + drivers/mfd/Kconfig | 23 + drivers/mfd/Makefile | 3 + drivers/mfd/cs42l43-i2c.c | 98 + drivers/mfd/cs42l43-sdw.c | 239 ++ drivers/mfd/cs42l43.c | 1188 +++++++++ drivers/mfd/cs42l43.h | 28 + drivers/pinctrl/cirrus/Kconfig | 11 + drivers/pinctrl/cirrus/Makefile | 2 + drivers/pinctrl/cirrus/pinctrl-cs42l43.c | 609 +++++ drivers/soundwire/bus.c | 32 + drivers/soundwire/bus_type.c | 12 + drivers/spi/Kconfig | 7 + drivers/spi/Makefile | 1 + drivers/spi/spi-cs42l43.c | 284 ++ include/linux/mfd/cs42l43-regs.h | 1184 +++++++++ include/linux/mfd/cs42l43.h | 102 + include/linux/soundwire/sdw.h | 9 + include/sound/cs42l43.h | 17 + sound/soc/codecs/Kconfig | 16 + sound/soc/codecs/Makefile | 4 + sound/soc/codecs/cs42l43-jack.c | 946 +++++++ sound/soc/codecs/cs42l43-sdw.c | 74 + sound/soc/codecs/cs42l43.c | 2278 +++++++++++++++++ sound/soc/codecs/cs42l43.h | 131 + 26 files changed, 7615 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/cirrus,cs42l43.yaml create mode 100644 drivers/mfd/cs42l43-i2c.c create mode 100644 drivers/mfd/cs42l43-sdw.c create mode 100644 drivers/mfd/cs42l43.c create mode 100644 drivers/mfd/cs42l43.h create mode 100644 drivers/pinctrl/cirrus/pinctrl-cs42l43.c create mode 100644 drivers/spi/spi-cs42l43.c create mode 100644 include/linux/mfd/cs42l43-regs.h create mode 100644 include/linux/mfd/cs42l43.h create mode 100644 include/sound/cs42l43.h create mode 100644 sound/soc/codecs/cs42l43-jack.c create mode 100644 sound/soc/codecs/cs42l43-sdw.c create mode 100644 sound/soc/codecs/cs42l43.c create mode 100644 sound/soc/codecs/cs42l43.h
-- 2.30.2
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#
5bebd3e3 |
| 21-Aug-2023 |
Alexei Starovoitov <ast@kernel.org> |
Merge branch 'remove-unnecessary-synchronizations-in-cpumap'
Hou Tao says:
==================== Remove unnecessary synchronizations in cpumap
From: Hou Tao <houtao1@huawei.com>
Hi,
This is the f
Merge branch 'remove-unnecessary-synchronizations-in-cpumap'
Hou Tao says:
==================== Remove unnecessary synchronizations in cpumap
From: Hou Tao <houtao1@huawei.com>
Hi,
This is the formal patchset to remove unnecessary synchronizations in cpu-map after address comments and collect Rvb tags from Toke Høiland-Jørgensen (Big thanks to Toke). Patch #1 removes the unnecessary rcu_barrier() when freeing bpf_cpu_map_entry and replaces it by queue_rcu_work(). Patch #2 removes the unnecessary call_rcu() and queue_work() when destroying cpu-map and does the freeing directly.
Test the patchset by using xdp_redirect_cpu and virtio-net. Both xdp-mode and skb-mode have been exercised and no issues were reported. As ususal, comments and suggestions are always welcome.
Change Log: v1: * address comments from Toke Høiland-Jørgensen * add Rvb tags from Toke Høiland-Jørgensen * update outdated comment in cpu_map_delete_elem()
RFC: https://lore.kernel.org/bpf/20230728023030.1906124-1-houtao@huaweicloud.com ====================
Link: https://lore.kernel.org/r/20230816045959.358059-1-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Revision tags: v6.1.46 |
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#
c2e42ddf |
| 15-Aug-2023 |
Hou Tao <houtao1@huawei.com> |
bpf, cpumask: Clean up bpf_cpu_map_entry directly in cpu_map_free
After synchronous_rcu(), both the dettached XDP program and xdp_do_flush() are completed, and the only user of bpf_cpu_map_entry wil
bpf, cpumask: Clean up bpf_cpu_map_entry directly in cpu_map_free
After synchronous_rcu(), both the dettached XDP program and xdp_do_flush() are completed, and the only user of bpf_cpu_map_entry will be cpu_map_kthread_run(), so instead of calling __cpu_map_entry_replace() to stop kthread and cleanup entry after a RCU grace period, do these things directly.
Signed-off-by: Hou Tao <houtao1@huawei.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20230816045959.358059-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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#
8f8500a2 |
| 15-Aug-2023 |
Hou Tao <houtao1@huawei.com> |
bpf, cpumap: Use queue_rcu_work() to remove unnecessary rcu_barrier()
As for now __cpu_map_entry_replace() uses call_rcu() to wait for the inflight xdp program to exit the RCU read critical section,
bpf, cpumap: Use queue_rcu_work() to remove unnecessary rcu_barrier()
As for now __cpu_map_entry_replace() uses call_rcu() to wait for the inflight xdp program to exit the RCU read critical section, and then launch kworker cpu_map_kthread_stop() to call kthread_stop() to flush all pending xdp frames or skbs.
But it is unnecessary to use rcu_barrier() in cpu_map_kthread_stop() to wait for the completion of __cpu_map_entry_free(), because rcu_barrier() will wait for all pending RCU callbacks and cpu_map_kthread_stop() only needs to wait for the completion of a specific __cpu_map_entry_free().
So use queue_rcu_work() to replace call_rcu(), schedule_work() and rcu_barrier(). queue_rcu_work() will queue a __cpu_map_entry_free() kworker after a RCU grace period. Because __cpu_map_entry_free() is running in a kworker context, so it is OK to do all of these freeing procedures include kthread_stop() in it.
After the update, there is no need to do reference-counting for bpf_cpu_map_entry, because bpf_cpu_map_entry is freed directly in __cpu_map_entry_free(), so just remove it.
Signed-off-by: Hou Tao <houtao1@huawei.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20230816045959.358059-2-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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#
a3dd14c0 |
| 21-Aug-2023 |
Georgi Djakov <djakov@kernel.org> |
Merge tag 'v6.5-rc6' into icc-next
The fixes that got merged into v6.5-rc6 are needed here.
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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642073c3 |
| 20-Aug-2023 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge commit b320441c04c9 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the serial-core fixes in here as well.
Signed-off-by: Greg Kr
Merge commit b320441c04c9 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next
We need the serial-core fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ab472430 |
| 18-Aug-2023 |
Mark Brown <broonie@kernel.org> |
Add cs42l43 PC focused SoundWire CODEC
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:
This patch chain adds support for the Cirrus Logic cs42l43 PC focused SoundWire CODEC.
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9e6b3986 |
| 16-Aug-2023 |
Mark Brown <broonie@kernel.org> |
regulator: Get Synquacer testing working
Merge up v6.5-rc6 which has a fix that gets Synquacer netbooting so we can include it in our testing.
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a35762dd |
| 15-Aug-2023 |
Jason Gunthorpe <jgg@nvidia.com> |
Merge tag 'v6.5-rc6' into iommufd for-next
Required for following patches.
Resolve merge conflict by using the hunk from the for-next branch and shifting the iommufd_object_deref_user() into iommuf
Merge tag 'v6.5-rc6' into iommufd for-next
Required for following patches.
Resolve merge conflict by using the hunk from the for-next branch and shifting the iommufd_object_deref_user() into iommufd_hw_pagetable_put()
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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bbb9e06d |
| 14-Aug-2023 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge 6.5-rc6 into usb-next
We need the USB and Thunderbolt fixes in here to build on.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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e75850b4 |
| 13-Aug-2023 |
Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
Merge 6.5-rc6 into char-misc-next
We need the char/misc fixes in here as well to build on top of.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v6.1.45, v6.1.44 |
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2612e3bb |
| 07-Aug-2023 |
Rodrigo Vivi <rodrigo.vivi@intel.com> |
Merge drm/drm-next into drm-intel-next
Catching-up with drm-next and drm-intel-gt-next. It will unblock a code refactor around the platform definitions (names vs acronyms).
Signed-off-by: Rodrigo V
Merge drm/drm-next into drm-intel-next
Catching-up with drm-next and drm-intel-gt-next. It will unblock a code refactor around the platform definitions (names vs acronyms).
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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9f771739 |
| 07-Aug-2023 |
Joonas Lahtinen <joonas.lahtinen@linux.intel.com> |
Merge drm/drm-next into drm-intel-gt-next
Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as a dependency for https://patchwork.freedesktop.org/series/1
Merge drm/drm-next into drm-intel-gt-next
Need to pull in b3e4aae612ec ("drm/i915/hdcp: Modify hdcp_gsc_message msg sending mechanism") as a dependency for https://patchwork.freedesktop.org/series/121735/
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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bf184299 |
| 04-Aug-2023 |
Arnaldo Carvalho de Melo <acme@redhat.com> |
Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up the fixes that were just merged from perf-tools/perf-tools for v6.5.
Signed-off-by: Arnaldo Carvalho de Melo <acme@red
Merge remote-tracking branch 'torvalds/master' into perf-tools-next
To pick up the fixes that were just merged from perf-tools/perf-tools for v6.5.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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