summaryrefslogtreecommitdiff
path: root/include
AgeCommit message (Collapse)AuthorFilesLines
2021-11-17net: align static siphash keysEric Dumazet1-0/+2
siphash keys use 16 bytes. Define siphash_aligned_key_t macro so that we can make sure they are not crossing a cache line boundary. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-17net: use .data.once section in netdev_level_once()Eric Dumazet1-1/+1
Same rationale than prior patch : using the dedicated section avoid holes and pack all these bool values. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-17once: use __section(".data.once")Eric Dumazet1-1/+1
.data.once contains nicely packed bool variables. It is used already by DO_ONCE_LITE(). Using it also in DO_ONCE() removes holes in .data section. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-16net: drop nopreempt requirement on sock_prot_inuse_add()Eric Dumazet1-2/+2
This is distracting really, let's make this simpler, because many callers had to take care of this by themselves, even if on x86 this adds more code than really needed. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: merge net->core.prot_inuse and net->core.sock_inuseEric Dumazet2-2/+2
net->core.sock_inuse is a per cpu variable (int), while net->core.prot_inuse is another per cpu variable of 64 integers. per cpu allocator tend to place them in very different places. Grouping them together makes sense, since it makes updates potentially faster, if hitting the same cache line. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: make sock_inuse_add() availableEric Dumazet1-0/+10
MPTCP hard codes it, let us instead provide this helper. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: inline sock_prot_inuse_add()Eric Dumazet1-3/+11
sock_prot_inuse_add() is very small, we can inline it. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: gro: populate net/core/gro.cEric Dumazet2-0/+23
Move gro code and data from net/core/dev.c to net/core/gro.c to ease maintenance. gro_normal_list() and gro_normal_one() are inlined because they are called from both files. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: gro: move skb_gro_receive into net/core/gro.cEric Dumazet2-1/+2
net/core/gro.c will contain all core gro functions, to shrink net/core/skbuff.c and net/core/dev.c Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: gro: move skb_gro_receive_list to udp_offload.cEric Dumazet1-1/+0
This helper is used once, no need to keep it in fat net/core/skbuff.c Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: move gro definitions to include/net/gro.hEric Dumazet5-390/+394
include/linux/netdevice.h became too big, move gro stuff into include/net/gro.h Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: move early demux fields close to sk_refcntEric Dumazet1-3/+5
sk_rx_dst/sk_rx_dst_ifindex/sk_rx_dst_cookie are read in early demux, and currently spans two cache lines. Moving them close to sk_refcnt makes more sense, as only one cache line is needed. New layout for this hot cache line is : struct sock { struct sock_common __sk_common; /* 0 0x88 */ /* --- cacheline 2 boundary (128 bytes) was 8 bytes ago --- */ struct dst_entry * sk_rx_dst; /* 0x88 0x8 */ int sk_rx_dst_ifindex; /* 0x90 0x4 */ u32 sk_rx_dst_cookie; /* 0x94 0x4 */ socket_lock_t sk_lock; /* 0x98 0x20 */ atomic_t sk_drops; /* 0xb8 0x4 */ int sk_rcvlowat; /* 0xbc 0x4 */ /* --- cacheline 3 boundary (192 bytes) --- */ Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16tcp: defer skb freeing after socket lock is releasedEric Dumazet3-0/+15
tcp recvmsg() (or rx zerocopy) spends a fair amount of time freeing skbs after their payload has been consumed. A typical ~64KB GRO packet has to release ~45 page references, eventually going to page allocator for each of them. Currently, this freeing is performed while socket lock is held, meaning that there is a high chance that BH handler has to queue incoming packets to tcp socket backlog. This can cause additional latencies, because the user thread has to process the backlog at release_sock() time, and while doing so, additional frames can be added by BH handler. This patch adds logic to defer these frees after socket lock is released, or directly from BH handler if possible. Being able to free these skbs from BH handler helps a lot, because this avoids the usual alloc/free assymetry, when BH handler and user thread do not run on same cpu or NUMA node. One cpu can now be fully utilized for the kernel->user copy, and another cpu is handling BH processing and skb/page allocs/frees (assuming RFS is not forcing use of a single CPU) Tested: 100Gbit NIC Max throughput for one TCP_STREAM flow, over 10 runs MTU : 1500 Before: 55 Gbit After: 66 Gbit MTU : 4096+(headers) Before: 82 Gbit After: 95 Gbit Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16tcp: annotate data-races on tp->segs_in and tp->data_segs_inEric Dumazet1-2/+6
tcp_segs_in() can be called from BH, while socket spinlock is held but socket owned by user, eventually reading these fields from tcp_get_info() Found by code inspection, no need to backport this patch to older kernels. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16tcp: add RETPOLINE mitigation to sk_backlog_rcvEric Dumazet1-1/+7
Use INDIRECT_CALL_INET() to avoid an indirect call when/if CONFIG_RETPOLINE=y Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: forward_alloc_get depends on CONFIG_MPTCPEric Dumazet1-4/+7
(struct proto)->sk_forward_alloc is currently only used by MPTCP. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: shrink struct sock by 8 bytesEric Dumazet1-1/+1
Move sk_bind_phc next to sk_peer_lock to fill a hole. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16ipv6: shrink struct ipcm6_cookieEric Dumazet1-1/+1
gso_size can be moved after tclass, to use an existing hole. (8 bytes saved on 64bit arches) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: remove sk_route_nocapsEric Dumazet1-6/+5
Instead of using a full netdev_features_t, we can use a single bit, as sk_route_nocaps is only used to remove NETIF_F_GSO_MASK from sk->sk_route_cap. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: remove sk_route_forced_capsEric Dumazet1-3/+0
We were only using one bit, and we can replace it by sk_is_tcp() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16net: use sk_is_tcp() in more placesEric Dumazet2-6/+5
Move sk_is_tcp() to include/net/sock.h and use it where we can. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-16tcp: remove dead code in __tcp_v6_send_check()Eric Dumazet1-9/+3
For some reason, I forgot to change __tcp_v6_send_check() at the same time I removed (ip_summed == CHECKSUM_PARTIAL) check in __tcp_v4_send_check() Fixes: 98be9b12096f ("tcp: remove dead code after CHECKSUM_PARTIAL adoption") Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-15Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextJakub Kicinski5-7/+45
Daniel Borkmann says: ==================== pull-request: bpf-next 2021-11-15 We've added 72 non-merge commits during the last 13 day(s) which contain a total of 171 files changed, 2728 insertions(+), 1143 deletions(-). The main changes are: 1) Add btf_type_tag attributes to bring kernel annotations like __user/__rcu to BTF such that BPF verifier will be able to detect misuse, from Yonghong Song. 2) Big batch of libbpf improvements including various fixes, future proofing APIs, and adding a unified, OPTS-based bpf_prog_load() low-level API, from Andrii Nakryiko. 3) Add ingress_ifindex to BPF_SK_LOOKUP program type for selectively applying the programmable socket lookup logic to packets from a given netdev, from Mark Pashmfouroush. 4) Remove the 128M upper JIT limit for BPF programs on arm64 and add selftest to ensure exception handling still works, from Russell King and Alan Maguire. 5) Add a new bpf_find_vma() helper for tracing to map an address to the backing file such as shared library, from Song Liu. 6) Batch of various misc fixes to bpftool, fixing a memory leak in BPF program dump, updating documentation and bash-completion among others, from Quentin Monnet. 7) Deprecate libbpf bpf_program__get_prog_info_linear() API and migrate its users as the API is heavily tailored around perf and is non-generic, from Dave Marchevsky. 8) Enable libbpf's strict mode by default in bpftool and add a --legacy option as an opt-out for more relaxed BPF program requirements, from Stanislav Fomichev. 9) Fix bpftool to use libbpf_get_error() to check for errors, from Hengqi Chen. * https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (72 commits) bpftool: Use libbpf_get_error() to check error bpftool: Fix mixed indentation in documentation bpftool: Update the lists of names for maps and prog-attach types bpftool: Fix indent in option lists in the documentation bpftool: Remove inclusion of utilities.mak from Makefiles bpftool: Fix memory leak in prog_dump() selftests/bpf: Fix a tautological-constant-out-of-range-compare compiler warning selftests/bpf: Fix an unused-but-set-variable compiler warning bpf: Introduce btf_tracing_ids bpf: Extend BTF_ID_LIST_GLOBAL with parameter for number of IDs bpftool: Enable libbpf's strict mode by default docs/bpf: Update documentation for BTF_KIND_TYPE_TAG support selftests/bpf: Clarify llvm dependency with btf_tag selftest selftests/bpf: Add a C test for btf_type_tag selftests/bpf: Rename progs/tag.c to progs/btf_decl_tag.c selftests/bpf: Test BTF_KIND_DECL_TAG for deduplication selftests/bpf: Add BTF_KIND_TYPE_TAG unit tests selftests/bpf: Test libbpf API function btf__add_type_tag() bpftool: Support BTF_KIND_TYPE_TAG libbpf: Support BTF_KIND_TYPE_TAG ... ==================== Link: https://lore.kernel.org/r/20211115162008.25916-1-daniel@iogearbox.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-15Revert "Merge branch 'mctp-i2c-driver'"Jakub Kicinski3-21/+1
This reverts commit 71812af7234f30362b43ccff33f93890ae4c0655, reversing changes made to cc0be1ad686fb29a4d127948486f40b17fb34b50. Wolfram Sang says: Please revert. Besides the driver in net, it modifies the I2C core code. This has not been acked by the I2C maintainer (in this case me). So, please don't pull this in via the net tree. The question raised here (extending SMBus calls to 255 byte) is complicated because we need ABI backwards compatibility. Link: https://lore.kernel.org/all/YZJ9H4eM%2FM7OXVN0@shikoro/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-11-15net: phylink: add generic validate implementationRussell King (Oracle)1-0/+31
Add a generic validate() implementation using the supported_interfaces and a bitmask of MAC pause/speed/duplex capabilities. This allows us to entirely eliminate many driver private validate() implementations. We expose the underlying phylink_get_linkmodes() function so that drivers which have special needs can still benefit from conversion. Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-15i2c: dev: Handle 255 byte blocks for i2c ioctlMatt Johnston2-0/+4
I2C_SMBUS is limited to 32 bytes due to compatibility with the 32 byte i2c_smbus_data.block I2C_RDWR allows larger transfers if sufficient sized buffers are passed. Signed-off-by: Matt Johnston <matt@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-15i2c: core: Allow 255 byte transfers for SMBus 3.xMatt Johnston2-1/+17
SMBus 3.0 increased the maximum block transfer size from 32 bytes to 255 bytes. We increase the size of struct i2c_smbus_data's block[] member. i2c_smbus_xfer() and i2c_smbus_xfer_emulated() now support 255 byte block operations, other block functions remain limited to 32 bytes for compatibility with existing callers. We allow adapters to indicate support for the larger size with I2C_FUNC_SMBUS_V3_BLOCK. Most emulated drivers should be able to use 255 byte blocks by replacing I2C_SMBUS_BLOCK_MAX with I2C_SMBUS_V3_BLOCK_MAX though some will have hardware limitations that need testing. Signed-off-by: Matt Johnston <matt@codeconstruct.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-11-12Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds3-7/+2
Pull more SCSI updates from James Bottomley: "This series is all the stragglers that didn't quite make the first merge window pull. It's mostly minor updates and bug fixes of merge window code but it also has two driver updates: ufs and qla2xxx" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (46 commits) scsi: scsi_debug: Don't call kcalloc() if size arg is zero scsi: core: Remove command size deduction from scsi_setup_scsi_cmnd() scsi: scsi_ioctl: Validate command size scsi: ufs: ufshpb: Properly handle max-single-cmd scsi: core: Avoid leaving shost->last_reset with stale value if EH does not run scsi: bsg: Fix errno when scsi_bsg_register_queue() fails scsi: sr: Remove duplicate assignment scsi: ufs: ufs-exynos: Introduce ExynosAuto v9 virtual host scsi: ufs: ufs-exynos: Multi-host configuration for ExynosAuto v9 scsi: ufs: ufs-exynos: Support ExynosAuto v9 UFS scsi: ufs: ufs-exynos: Add pre/post_hce_enable drv callbacks scsi: ufs: ufs-exynos: Factor out priv data init scsi: ufs: ufs-exynos: Add EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option scsi: ufs: ufs-exynos: Support custom version of ufs_hba_variant_ops scsi: ufs: ufs-exynos: Add setup_clocks callback scsi: ufs: ufs-exynos: Add refclkout_stop control scsi: ufs: ufs-exynos: Simplify drv_data retrieval scsi: ufs: ufs-exynos: Change pclk available max value scsi: ufs: Add quirk to enable host controller without PH configuration scsi: ufs: Add quirk to handle broken UIC command ...
2021-11-12Merge tag 'pwm/for-5.16-rc1' of ↵Linus Torvalds1-0/+13
git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm Pull pwm updates from Thierry Reding: "This set is mostly small fixes and cleanups, so more of a janitorial update for this cycle" * tag 'pwm/for-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: pwm: vt8500: Rename pwm_busy_wait() to make it obviously driver-specific dt-bindings: pwm: tpu: Add R-Car M3-W+ device tree bindings dt-bindings: pwm: tpu: Add R-Car V3U device tree bindings pwm: pwm-samsung: Trigger manual update when disabling PWM pwm: visconti: Simplify using devm_pwmchip_add() pwm: samsung: Describe driver in Kconfig pwm: Make it explicit that pwm_apply_state() might sleep pwm: Add might_sleep() annotations for !CONFIG_PWM API functions pwm: atmel: Drop unused header
2021-11-12Merge tag 'sound-fix-5.16-rc1' of ↵Linus Torvalds1-7/+7
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of fixes for 5.16-rc1, notably for a few regressions that were found in 5.15 and pre-rc1: - revert of the unification of SG-buffer helper functions on x86 and the relevant fix - regression fixes for mmap after the recent code refactoring - two NULL dereference fixes in HD-audio controller driver - UAF fixes in ALSA timer core - a few usual HD-audio and FireWire quirks" * tag 'sound-fix-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: fireworks: add support for Loud Onyx 1200f quirk ALSA: hda: fix general protection fault in azx_runtime_idle ALSA: hda: Free card instance properly at probe errors ALSA: hda/realtek: Add quirk for HP EliteBook 840 G7 mute LED ALSA: memalloc: Remove a stale comment ALSA: synth: missing check for possible NULL after the call to kstrdup ALSA: memalloc: Use proper SG helpers for noncontig allocations ALSA: pci: rme: Fix unaligned buffer addresses ALSA: firewire-motu: add support for MOTU Track 16 ALSA: PCM: Fix NULL dereference at mmap checks ALSA: hda/realtek: Add quirk for ASUS UX550VE ALSA: timer: Unconditionally unlink slave instances, too ALSA: memalloc: Catch call with NULL snd_dma_buffer pointer Revert "ALSA: memalloc: Convert x86 SG-buffer handling with non-contiguous type" ALSA: hda/realtek: Add a quirk for Acer Spin SP513-54N ALSA: firewire-motu: add support for MOTU Traveler mk3 ALSA: hda/realtek: Headset fixup for Clevo NH77HJQ ALSA: timer: Fix use-after-free problem
2021-11-12Merge tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drmLinus Torvalds4-6/+38
Pull more drm updates from Dave Airlie: "I missed a drm-misc-next pull for the main pull last week. It wasn't that major and isn't the bulk of this at all. This has a bunch of fixes all over, a lot for amdgpu and i915. bridge: - HPD improvments for lt9611uxc - eDP aux-bus support for ps8640 - LVDS data-mapping selection support ttm: - remove huge page functionality (needs reworking) - fix a race condition during BO eviction panels: - add some new panels fbdev: - fix double-free - remove unused scrolling acceleration - CONFIG_FB dep improvements locking: - improve contended locking logging - naming collision fix dma-buf: - add dma_resv_for_each_fence iterator - fix fence refcounting bug - name locking fixesA prime: - fix object references during mmap nouveau: - various code style changes - refcount fix - device removal fixes - protect client list with a mutex - fix CE0 address calculation i915: - DP rates related fixes - Revert disabling dual eDP that was causing state readout problems - put the cdclk vtables in const data - Fix DVO port type for older platforms - Fix blankscreen by turning DP++ TMDS output buffers on encoder->shutdown - CCS FBs related fixes - Fix recursive lock in GuC submission - Revert guc_id from i915_request tracepoint - Build fix around dmabuf amdgpu: - GPU reset fix - Aldebaran fix - Yellow Carp fixes - DCN2.1 DMCUB fix - IOMMU regression fix for Picasso - DSC display fixes - BPC display calculation fixes - Other misc display fixes - Don't allow partial copy from user for DC debugfs - SRIOV fixes - GFX9 CSB pin count fix - Various IP version check fixes - DP 2.0 fixes - Limit DCN1 MPO fix to DCN1 amdkfd: - SVM fixes - Fix gfx version for renoir - Reset fixes udl: - timeout fix imx: - circular locking fix virtio: - NULL ptr deref fix" * tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm: (126 commits) drm/ttm: Double check mem_type of BO while eviction drm/amdgpu: add missed support for UVD IP_VERSION(3, 0, 64) drm/amdgpu: drop jpeg IP initialization in SRIOV case drm/amd/display: reject both non-zero src_x and src_y only for DCN1x drm/amd/display: Add callbacks for DMUB HPD IRQ notifications drm/amd/display: Don't lock connection_mutex for DMUB HPD drm/amd/display: Add comment where CONFIG_DRM_AMD_DC_DCN macro ends drm/amdkfd: Fix retry fault drain race conditions drm/amdkfd: lower the VAs base offset to 8KB drm/amd/display: fix exit from amdgpu_dm_atomic_check() abruptly drm/amd/amdgpu: fix the kfd pre_reset sequence in sriov drm/amdgpu: fix uvd crash on Polaris12 during driver unloading drm/i915/adlp/fb: Prevent the mapping of redundant trailing padding NULL pages drm/i915/fb: Fix rounding error in subsampled plane size calculation drm/i915/hdmi: Turn DP++ TMDS output buffers back on in encoder->shutdown() drm/locking: fix __stack_depot_* name conflict drm/virtio: Fix NULL dereference error in virtio_gpu_poll drm/amdgpu: fix SI handling in amdgpu_device_asic_has_dc_support() drm/amdgpu: Fix dangling kfd_bo pointer for shared BOs drm/amd/amdkfd: Don't sent command to HWS on kfd reset ...
2021-11-12Merge branch 'for-linus' of ↵Linus Torvalds2-25/+0
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input updates from Dmitry Torokhov: "Just one new driver (Cypress StreetFighter touchkey), and no input core changes this time. Plus various fixes and enhancements to existing drivers" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits) Input: iforce - fix control-message timeout Input: wacom_i2c - use macros for the bit masks Input: ili210x - reduce sample period to 15ms Input: ili210x - improve polled sample spacing Input: ili210x - special case ili251x sample read out Input: elantench - fix misreporting trackpoint coordinates Input: synaptics-rmi4 - Fix device hierarchy Input: i8042 - Add quirk for Fujitsu Lifebook T725 Input: cap11xx - add support for cap1206 Input: remove unused header <linux/input/cy8ctmg110_pdata.h> Input: ili210x - add ili251x firmware update support Input: ili210x - export ili251x version details via sysfs Input: ili210x - use resolution from ili251x firmware Input: pm8941-pwrkey - respect reboot_mode for warm reset reboot: export symbol 'reboot_mode' Input: max77693-haptic - drop unneeded MODULE_ALIAS Input: cpcap-pwrbutton - do not set input parent explicitly Input: max8925_onkey - don't mark comment as kernel-doc Input: ads7846 - do not attempt IRQ workaround when deferring probe Input: ads7846 - use input_set_capability() ...
2021-11-12Merge tag 'rtc-5.16' of ↵Linus Torvalds2-1/+33
git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux Pull RTC updates from Alexandre Belloni: "This includes new ioctls to get and set parameters and in particular the backup switch mode that is needed for some RTCs to actually enable the backup voltage (and have a useful RTC). The same interface can also be used to get the actual features supported by the RTC so userspace has a better way than trying and failing. Summary: Subsystem: - Add new ioctl to get and set extra RTC parameters, this includes backup switch mode - Expose available features to userspace, in particular, when alarmas have a resolution of one minute instead of a second. - Let the core handle those alarms with a minute resolution New driver: - MSTAR MSC313 RTC Drivers: - Add SPI ID table where necessary - Add BSM support for rv3028, rv3032 and pcf8523 - s3c: set RTC range - rx8025: set range, implement .set_offset and .read_offset" * tag 'rtc-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (50 commits) rtc: rx8025: use .set_offset/.read_offset rtc: rx8025: use rtc_add_group rtc: rx8025: clear RTC_FEATURE_ALARM when alarm are not supported rtc: rx8025: set range rtc: rx8025: let the core handle the alarm resolution rtc: rx8025: switch to devm_rtc_allocate_device rtc: ab8500: let the core handle the alarm resolution rtc: ab-eoz9: support UIE when available rtc: ab-eoz9: use RTC_FEATURE_UPDATE_INTERRUPT rtc: rv3032: let the core handle the alarm resolution rtc: s35390a: let the core handle the alarm resolution rtc: handle alarms with a minute resolution rtc: pcf85063: silence cppcheck warning rtc: rv8803: fix writing back ctrl in flag register rtc: s3c: Add time range rtc: s3c: Extract read/write IO into separate functions rtc: s3c: Remove usage of devm_rtc_device_register() rtc: tps80031: Remove driver rtc: sun6i: Allow probing without an early clock provider rtc: pcf8523: add BSM support ...
2021-11-12Merge tag 'libata-5.16-rc1-p2' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata Pull more libata updates from Damien Le Moal: "Second round of updates for libata for 5.16: - Fix READ LOG EXT and READ LOG DMA EXT command timeouts during disk revalidation after a resume or a modprobe of the LLDD (me) - Remove unnecessary error message in sata_highbank driver (Xu) - Better handling of accesses to the IDENTIFY DEVICE data log for drives that do not support this log page (me) - Fix ahci_shost_attr_group declaration in ahci driver (me)" * tag 'libata-5.16-rc1-p2' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata: libata: libahci: declare ahci_shost_attr_group as static libata: add horkage for missing Identify Device log ata: sata_highbank: Remove unnecessary print function dev_err() libata: fix read log timeout value
2021-11-12bpf: Introduce btf_tracing_idsSong Liu1-1/+13
Similar to btf_sock_ids, btf_tracing_ids provides btf ID for task_struct, file, and vm_area_struct via easy to understand format like btf_tracing_ids[BTF_TRACING_TYPE_[TASK|file|VMA]]. Suggested-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20211112150243.1270987-3-songliubraving@fb.com
2021-11-12bpf: Extend BTF_ID_LIST_GLOBAL with parameter for number of IDsSong Liu1-3/+3
syzbot reported the following BUG w/o CONFIG_DEBUG_INFO_BTF BUG: KASAN: global-out-of-bounds in task_iter_init+0x212/0x2e7 kernel/bpf/task_iter.c:661 Read of size 4 at addr ffffffff90297404 by task swapper/0/1 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.0-syzkaller #0 Hardware name: ... Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x309 mm/kasan/report.c:256 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 task_iter_init+0x212/0x2e7 kernel/bpf/task_iter.c:661 do_one_initcall+0x103/0x650 init/main.c:1295 do_initcall_level init/main.c:1368 [inline] do_initcalls init/main.c:1384 [inline] do_basic_setup init/main.c:1403 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1606 kernel_init+0x1a/0x1d0 init/main.c:1497 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK> This is caused by hard-coded name[1] in BTF_ID_LIST_GLOBAL (w/o CONFIG_DEBUG_INFO_BTF). Fix this by adding a parameter n to BTF_ID_LIST_GLOBAL. This avoids ifdef CONFIG_DEBUG_INFO_BTF in btf.c and filter.c. Fixes: 7c7e3d31e785 ("bpf: Introduce helper bpf_find_vma") Reported-by: syzbot+e0d81ec552a21d9071aa@syzkaller.appspotmail.com Reported-by: Eric Dumazet <edumazet@google.com> Suggested-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20211112150243.1270987-2-songliubraving@fb.com
2021-11-12bpf: Support BTF_KIND_TYPE_TAG for btf_type_tag attributesYonghong Song1-1/+2
LLVM patches ([1] for clang, [2] and [3] for BPF backend) added support for btf_type_tag attributes. This patch added support for the kernel. The main motivation for btf_type_tag is to bring kernel annotations __user, __rcu etc. to btf. With such information available in btf, bpf verifier can detect mis-usages and reject the program. For example, for __user tagged pointer, developers can then use proper helper like bpf_probe_read_user() etc. to read the data. BTF_KIND_TYPE_TAG may also useful for other tracing facility where instead of to require user to specify kernel/user address type, the kernel can detect it by itself with btf. [1] https://reviews.llvm.org/D111199 [2] https://reviews.llvm.org/D113222 [3] https://reviews.llvm.org/D113496 Signed-off-by: Yonghong Song <yhs@fb.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20211112012609.1505032-1-yhs@fb.com
2021-11-12BackMerge tag 'v5.15' into drm-nextDave Airlie10-19/+51
I got a drm-fixes which had some 5.15 stuff in it, so to avoid the mess just backmerge here. Linux 5.15 Signed-off-by: Dave Airlie <airlied@redhat.com>
2021-11-12Merge tag 'pci-v5.16-fixes-1' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: "Revert conversion to struct device.driver instead of struct pci_dev.driver. The device.driver is set earlier, and using it caused the PCI core to call driver PM entry points before .probe() and after .remove(), when the driver isn't prepared. This caused NULL pointer dereferences in i2c_designware_pci and probably other driver issues" * tag 'pci-v5.16-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: Revert "PCI: Use to_pci_driver() instead of pci_dev->driver" Revert "PCI: Remove struct pci_dev->driver"
2021-11-12libata: add horkage for missing Identify Device logDamien Le Moal1-0/+1
ACS-3 introduced the ATA Identify Device Data log as mandatory. A warning message currently signals to the user if a device does not report supporting this log page in the log directory page, regardless of the ATA version of the device. Furthermore, this warning will appear for all attempts at accessing this missing log page during device revalidation. Since it is useless to constantly access the log directory and warn about this lack of support once we have discovered that the device does not support this log page, introduce the horkage flag ATA_HORKAGE_NO_ID_DEV_LOG to mark a device as lacking support for the Identify Device Data log page. Set this flag when ata_log_supported() returns false in ata_identify_page_supported(). The warning is printed only if the device ATA level is 10 or above (ACS-3 or above), and only once on device scan. With this flag set, the log directory page is not accessed again to test for Identify Device Data log page support. Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-11-12Merge tag 'kcsan.2021.11.11a' of ↵Linus Torvalds1-0/+3
git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu Pull KCSAN updates from Paul McKenney: "This contains initialization fixups, testing improvements, addition of instruction pointer to data-race reports, and scoped data-race checks" * tag 'kcsan.2021.11.11a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu: kcsan: selftest: Cleanup and add missing __init kcsan: Move ctx to start of argument list kcsan: Support reporting scoped read-write access type kcsan: Start stack trace with explicit location if provided kcsan: Save instruction pointer for scoped accesses kcsan: Add ability to pass instruction pointer of access to reporting kcsan: test: Fix flaky test case kcsan: test: Use kunit_skip() to skip tests kcsan: test: Defer kcsan_test_init() after kunit initialization
2021-11-12Merge branch 'akpm' (patches from Andrew)Linus Torvalds2-7/+6
Merge more updates from Andrew Morton: "The post-linux-next material. 7 patches. Subsystems affected by this patch series (all mm): debug, slab-generic, migration, memcg, and kasan" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: kasan: add kasan mode messages when kasan init mm: unexport {,un}lock_page_memcg mm: unexport folio_memcg_{,un}lock mm/migrate.c: remove MIGRATE_PFN_LOCKED mm: migrate: simplify the file-backed pages validation when migrating its mapping mm: allow only SLUB on PREEMPT_RT mm/page_owner.c: modify the type of argument "order" in some functions
2021-11-11Revert "PCI: Remove struct pci_dev->driver"Bjorn Helgaas1-0/+1
This reverts commit b5f9c644eb1baafcd349ad134e2110773f8d0a38. Revert b5f9c644eb1b ("PCI: Remove struct pci_dev->driver"), which is needed to revert 2a4d9408c9e8 ("PCI: Use to_pci_driver() instead of pci_dev->driver"). 2a4d9408c9e8 caused a NULL pointer dereference reported by Robert Święcki. Details in the revert of that commit. Fixes: 2a4d9408c9e8 ("PCI: Use to_pci_driver() instead of pci_dev->driver") Link: https://lore.kernel.org/linux-i2c/CAP145pgdrdiMAT7=-iB1DMgA7t_bMqTcJL4N0=6u8kNY3EU0dw@mail.gmail.com/ Reported-by: Robert Święcki <robert@swiecki.net> Tested-by: Robert Święcki <robert@swiecki.net> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2021-11-11Merge tag 'net-5.16-rc1' of ↵Linus Torvalds14-27/+124
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from bpf, can and netfilter. Current release - regressions: - bpf: do not reject when the stack read size is different from the tracked scalar size - net: fix premature exit from NAPI state polling in napi_disable() - riscv, bpf: fix RV32 broken build, and silence RV64 warning Current release - new code bugs: - net: fix possible NULL deref in sock_reserve_memory - amt: fix error return code in amt_init(); fix stopping the workqueue - ax88796c: use the correct ioctl callback Previous releases - always broken: - bpf: stop caching subprog index in the bpf_pseudo_func insn - security: fixups for the security hooks in sctp - nfc: add necessary privilege flags in netlink layer, limit operations to admin only - vsock: prevent unnecessary refcnt inc for non-blocking connect - net/smc: fix sk_refcnt underflow on link down and fallback - nfnetlink_queue: fix OOB when mac header was cleared - can: j1939: ignore invalid messages per standard - bpf, sockmap: - fix race in ingress receive verdict with redirect to self - fix incorrect sk_skb data_end access when src_reg = dst_reg - strparser, and tls are reusing qdisc_skb_cb and colliding - ethtool: fix ethtool msg len calculation for pause stats - vlan: fix a UAF in vlan_dev_real_dev() when ref-holder tries to access an unregistering real_dev - udp6: make encap_rcv() bump the v6 not v4 stats - drv: prestera: add explicit padding to fix m68k build - drv: felix: fix broken VLAN-tagged PTP under VLAN-aware bridge - drv: mvpp2: fix wrong SerDes reconfiguration order Misc & small latecomers: - ipvs: auto-load ipvs on genl access - mctp: sanity check the struct sockaddr_mctp padding fields - libfs: support RENAME_EXCHANGE in simple_rename() - avoid double accounting for pure zerocopy skbs" * tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (123 commits) selftests/net: udpgso_bench_rx: fix port argument net: wwan: iosm: fix compilation warning cxgb4: fix eeprom len when diagnostics not implemented net: fix premature exit from NAPI state polling in napi_disable() net/smc: fix sk_refcnt underflow on linkdown and fallback net/mlx5: Lag, fix a potential Oops with mlx5_lag_create_definer() gve: fix unmatched u64_stats_update_end() net: ethernet: lantiq_etop: Fix compilation error selftests: forwarding: Fix packet matching in mirroring selftests vsock: prevent unnecessary refcnt inc for nonblocking connect net: marvell: mvpp2: Fix wrong SerDes reconfiguration order net: ethernet: ti: cpsw_ale: Fix access to un-initialized memory net: stmmac: allow a tc-taprio base-time of zero selftests: net: test_vxlan_under_vrf: fix HV connectivity test net: hns3: allow configure ETS bandwidth of all TCs net: hns3: remove check VF uc mac exist when set by PF net: hns3: fix some mac statistics is always 0 in device version V2 net: hns3: fix kernel crash when unload VF while it is being reset net: hns3: sync rx ring head in echo common pull net: hns3: fix pfc packet number incorrect after querying pfc parameters ...
2021-11-11Merge tag 'usb-5.16-rc1' of ↵Linus Torvalds1-2/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are some small reverts and fixes for USB drivers for issues that came up during the 5.16-rc1 merge window. These include: - two reverts of xhci and USB core patches that are causing problems in many systems. - xhci 3.1 enumeration delay fix for systems that were having problems. All three of these have been in linux-next all week with no reported issues" * tag 'usb-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: xhci: Fix USB 3.1 enumeration issues by increasing roothub power-on-good delay Revert "usb: core: hcd: Add support for deferring roothub registration" Revert "xhci: Set HCD flag to defer primary roothub registration"
2021-11-11mm/migrate.c: remove MIGRATE_PFN_LOCKEDAlistair Popple1-1/+0
MIGRATE_PFN_LOCKED is used to indicate to migrate_vma_prepare() that a source page was already locked during migrate_vma_collect(). If it wasn't then the a second attempt is made to lock the page. However if the first attempt failed it's unlikely a second attempt will succeed, and the retry adds complexity. So clean this up by removing the retry and MIGRATE_PFN_LOCKED flag. Destination pages are also meant to have the MIGRATE_PFN_LOCKED flag set, but nothing actually checks that. Link: https://lkml.kernel.org/r/20211025041608.289017-1-apopple@nvidia.com Signed-off-by: Alistair Popple <apopple@nvidia.com> Reviewed-by: Ralph Campbell <rcampbell@nvidia.com> Acked-by: Felix Kuehling <Felix.Kuehling@amd.com> Cc: Alex Deucher <alexander.deucher@amd.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Zi Yan <ziy@nvidia.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-11-11mm/page_owner.c: modify the type of argument "order" in some functionsYixuan Cao1-6/+6
The type of "order" in struct page_owner is unsigned short. However, it is unsigned int in the following 3 functions: __reset_page_owner __set_page_owner_handle __set_page_owner_handle The type of "order" in argument list is unsigned int, which is inconsistent. [akpm@linux-foundation.org: update include/linux/page_owner.h] Link: https://lkml.kernel.org/r/20211020125945.47792-1-caoyixuan2019@email.szu.edu.cn Signed-off-by: Yixuan Cao <caoyixuan2019@email.szu.edu.cn> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-11-11libata: fix read log timeout valueDamien Le Moal1-1/+1
Some ATA drives are very slow to respond to READ_LOG_EXT and READ_LOG_DMA_EXT commands issued from ata_dev_configure() when the device is revalidated right after resuming a system or inserting the ATA adapter driver (e.g. ahci). The default 5s timeout (ATA_EH_CMD_DFL_TIMEOUT) used for these commands is too short, causing errors during the device configuration. Ex: ... ata9: SATA max UDMA/133 abar m524288@0x9d200000 port 0x9d200400 irq 209 ata9: SATA link up 6.0 Gbps (SStatus 133 SControl 300) ata9.00: ATA-9: XXX XXXXXXXXXXXXXXX, XXXXXXXX, max UDMA/133 ata9.00: qc timeout (cmd 0x2f) ata9.00: Read log page 0x00 failed, Emask 0x4 ata9.00: Read log page 0x00 failed, Emask 0x40 ata9.00: NCQ Send/Recv Log not supported ata9.00: Read log page 0x08 failed, Emask 0x40 ata9.00: 27344764928 sectors, multi 16: LBA48 NCQ (depth 32), AA ata9.00: Read log page 0x00 failed, Emask 0x40 ata9.00: ATA Identify Device Log not supported ata9.00: failed to set xfermode (err_mask=0x40) ata9: SATA link up 6.0 Gbps (SStatus 133 SControl 300) ata9.00: configured for UDMA/133 ... The timeout error causes a soft reset of the drive link, followed in most cases by a successful revalidation as that give enough time to the drive to become fully ready to quickly process the read log commands. However, in some cases, this also fails resulting in the device being dropped. Fix this by using adding the ata_eh_revalidate_timeouts entries for the READ_LOG_EXT and READ_LOG_DMA_EXT commands. This defines a timeout increased to 15s, retriable one time. Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Tested-by: Geert Uytterhoeven <geert+renesas@glider.be> Cc: stable@vger.kernel.org Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
2021-11-11Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linuxLinus Torvalds6-161/+247
Pull nfsd updates from Bruce Fields: "A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping support for a filehandle format deprecated 20 years ago, and further xdr-related cleanup from Chuck" * tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits) nfsd4: remove obselete comment nfsd: document server-to-server-copy parameters NFSD:fix boolreturn.cocci warning nfsd: update create verifier comment SUNRPC: Change return value type of .pc_encode SUNRPC: Replace the "__be32 *p" parameter to .pc_encode NFSD: Save location of NFSv4 COMPOUND status SUNRPC: Change return value type of .pc_decode SUNRPC: Replace the "__be32 *p" parameter to .pc_decode SUNRPC: De-duplicate .pc_release() call sites SUNRPC: Simplify the SVC dispatch code path SUNRPC: Capture value of xdr_buf::page_base SUNRPC: Add trace event when alloc_pages_bulk() makes no progress svcrdma: Split svcrmda_wc_{read,write} tracepoints svcrdma: Split the svcrdma_wc_send() tracepoint svcrdma: Split the svcrdma_wc_receive() tracepoint NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment() SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases NFSD: Initialize pointer ni with NULL and not plain integer 0 NFSD: simplify struct nfsfh ...
2021-11-11Merge tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfsLinus Torvalds12-441/+677
Pull NFS client updates from Trond Myklebust: "Highlights include: Features: - NFSv4.1 can always retrieve and cache the ACCESS mode on OPEN - Optimisations for READDIR and the 'ls -l' style workload - Further replacements of dprintk() with tracepoints and other tracing improvements - Ensure we re-probe NFSv4 server capabilities when the user does a "mount -o remount" Bugfixes: - Fix an Oops in pnfs_mark_request_commit() - Fix up deadlocks in the commit code - Fix regressions in NFSv2/v3 attribute revalidation due to the change_attr_type optimisations - Fix some dentry verifier races - Fix some missing dentry verifier settings - Fix a performance regression in nfs_set_open_stateid_locked() - SUNRPC was sending multiple SYN calls when re-establishing a TCP connection. - Fix multiple NFSv4 issues due to missing sanity checking of server return values - Fix a potential Oops when FREE_STATEID races with an unmount Cleanups: - Clean up the labelled NFS code - Remove unused header <linux/pnfs_osd_xdr.h>" * tag 'nfs-for-5.16-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (84 commits) NFSv4: Sanity check the parameters in nfs41_update_target_slotid() NFS: Remove the nfs4_label argument from decode_getattr_*() functions NFS: Remove the nfs4_label argument from nfs_setsecurity NFS: Remove the nfs4_label argument from nfs_fhget() NFS: Remove the nfs4_label argument from nfs_add_or_obtain() NFS: Remove the nfs4_label argument from nfs_instantiate() NFS: Remove the nfs4_label from the nfs_setattrres NFS: Remove the nfs4_label from the nfs4_getattr_res NFS: Remove the f_label from the nfs4_opendata and nfs_openres NFS: Remove the nfs4_label from the nfs4_lookupp_res struct NFS: Remove the label from the nfs4_lookup_res struct NFS: Remove the nfs4_label from the nfs4_link_res struct NFS: Remove the nfs4_label from the nfs4_create_res struct NFS: Remove the nfs4_label from the nfs_entry struct NFS: Create a new nfs_alloc_fattr_with_label() function NFS: Always initialise fattr->label in nfs_fattr_alloc() NFSv4.2: alloc_file_pseudo() takes an open flag, not an f_mode NFS: Don't allocate nfs_fattr on the stack in __nfs42_ssc_open() NFSv4: Remove unnecessary 'minor version' check NFSv4: Fix potential Oops in decode_op_map() ...
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-22 16:53:24 +0300