Linux 5.2 was released on 7 July 2019.

Summary: This release includes Sound Open Firmware, a project that brings open source firmware to DSP audio devices; open firmware for many Intel products is also included. This release also improves the Pressure Stall Information resource monitoring to make it usable by Android; the mount API has been redesigned with new syscalls; the BFQ I/O scheduler has gained some performance improvements; a new CLONE_PIDFD flag lets clone(2) return pidfs usable by pidfd_send_signal(2); Ext4 has gained support for case-insensitive name lookups; there is also a new device mapper target that simulates a device that has failing sectors and/or read failures; open source drivers for the ARM Mali t4xx and newer 6xx/7xx have been added. As always, there are fixes for the latest CPU bug (MDS) and many other new drivers and improvements.

1. Coolest features

1.1. Inclusion of Sound Open Firmware

While many audio DSP devices have open source drivers, their firmware has remained closed and shipped as binary files. As a result, firmware issues have often been difficult to address. The Sound Open Firmware -SOF- project, backed by Intel and Google, has been created to improve this situation by providing a open source platform to create open source firmware for audio DSPs. Not only SOF will allow users to have open source firmware, it will allow them to personalize their own firmware, or even use the power of the DSP processors in their sound cards in imaginative ways. This release includes the SOF core, plus open source firmware from Intel for many of their mainstream products: Baytrail, CherryTrail, Broadwell, ApolloLake, GeminiLake, CannonLake and IceLake

Recommended LWN article: The Sound Open Firmware project launches

Project site: https://www.sofproject.org

Instructions in the ALSA website: https://www.alsa-project.org/main/index.php/Firmware

1.2. Improved Presure Stall Information for better resource monitoring

Pressure stall information were added to Linux 4.20 as a way to quantify resource pressure in the system in a better way than the traditional load average. PSI aggregates and reports the overall wallclock time in which the tasks in a system (or cgroup) wait for cpu, io or memory.

This release lets users to configure sensitive thresholds and use poll() and friends to be notified when a certain pressure thresold is breached within a user-defined time window. With this mechanism, Android can monitor for, and ward off, mounting memory shortages before they cause problems for the user. For example, using memory stall, monitors in userspace like the low memory killer daemon (lmkd) can detect mounting pressure and kill less important processes before device becomes visibly sluggish. In memory stress testing psi memory monitors produce roughly 10x less false positives compared to vmpressure.

Recommended LWN article: Pressure stall monitors

1.3. New mount API

The mount(2) system call is in charge of mounting file systems. It does its job well, but as new mount functionality was added over the years, it had to be implemented on top of the existing interface, which was not designed for complex scenarios and has thus accumulated a lot of baggage (see this email for details). The current mount(2) interface is actually six or seven different interfaces rolled into one, and weird combinations of flags make it do different things beyond the original specification of the system call. It's not just aesthethics; it's not easy for applications and users to understand the errors returned, it is not geared for the specification of multiple sources such as overlayfs need, you can't mount a file system into another mount namespace, and it doesn't allow for other funcionality that have to be implemented with hacks such as shiftfs.

Linux developers decided to redesign the entire mount API in this release, which has resulted in the addition of six new syscalls: fsopen(2), fsconfig(2), fsmount(2), move_mount(2), fspick(2), and open_tree(2). These syscalls allow developers write code such as this:

fd = fsopen("nfs"); fsconfig(fd, FSCONFIG_SET_STRING, "option", "val", 0); fsconfig(fd, FSCONFIG_CMD_CREATE, NULL, NULL, 0); mfd = fsmount(fd, MS_NODEV); move_mount(mfd, "", AT_FDCWD, "/mnt", MOVE_MOUNT_F_EMPTY_PATH);

or reconfigure a superblock:

fd = fspick(AT_FDCWD, "/nfs/foo", FSPICK_NO_AUTOMOUNT); fsconfig(fd, FSCONFIG_SET_FLAG, "noac", NULL, 0); fsconfig(fd, FSCONFIG_CMD_RECONFIGURE, NULL, NULL, 0);

Recommended LWN article: Six (or seven) new system calls for filesystem mounting

1.4. Significant performance improvements in the BFQ I/O scheduler

Some performance tweaks to the BFQ I/O scheduler have been done, which have improved the application start-up times under load by up to 80%, drastically increased the performance and decreased the execution time. For more details, see the benchmarks or the following article:

Recommended LWN article: Improving the performance of the BFQ I/O scheduler

1.5. New GPU drivers for ARM Mali devices

This release has two exciting community drivers for ARM Mali accelerators. Since ARM has never been open source friendly on the GPU side of the house, the community has had to create open source drivers for the Mali GPUs. Lima covers the older t4xx and panfrost the newer 6xx/7xx series. Well done to all involved and hopefully this will help ARM

1.6. More CPU bug protection, and "mitigations" boot option

This release adds bug infrastructure to deal with the Microarchitectural Data Sampling (MDS) hardware vulnerability, which allows unprivileged speculative access to data which is available in various CPU internal buffers. This new set of misfeatures has the following variants: Microarchitectural Store Buffer Data Sampling (MSBDS, CVE-2018-12126), Microarchitectural Fill Buffer Data Sampling (MFBDS, CVE-2018-12130), Microarchitectural Load Port Data Sampling (MLPDS, CVE-2018-12127), Microarchitectural Data Sampling Uncacheable Memory (MDSUM, CVE-2019-11091). For more details see the documentation and admin guide

Also, in order to help users to deal with the ever increasing amount of CPU bugs across different architectures, the kernel boot option mitigations= has been added. It's a set of curated, arch-independent options (for now x86, PowerPC and s390), to make more easy to enable/disable protections regardless of what system they are running

1.7. Let clone(2) return pidfs

This release adds the CLONE_PIDFD flag to clone(2). This lets users to get pids at process creation time that are usable with the pidfd_send_signal(2) syscall. Due to the design of Unix, sending signals to processes or gathering /proc information is not always safe due to the possibility of PID reuse; pidfds let Linux avoid this problem, and this new clone(2) flag makes even easier to get pidfs, thus providing an easy way to signal and process PID metadata safely.

1.8. Optional support for case-insensitive names in ext4

This release implements the actual support for case-insensitive file name lookups in ext4, based on the feature bit and the encoding stored in the superblock. A filesystem that has the casefold feature set is able to configure directories with chattr +F ( EXT4_CASEFOLD_FL ) attribute, enabling lookups to succeed in that directory in a case-insensitive fashion, i.e: match a directory entry even if the name used by userspace is not a byte per byte match with the disk name, but is an equivalent case-insensitive version of the Unicode string.

The feature is configured as an inode attribute applied to directories and inherited by its children. This attribute can only be enabled on empty directories for filesystems that support the encoding feature, thus preventing collision of file names that only differ by case.

Recommended LWN article: Case-insensitive ext4

1.9. Add freezer controller for cgroups v2

Cgroup v1 implements the freezer controller, which provides an ability to stop the workload in a cgroup and temporarily free up some resources (cpu, io, network bandwidth and, potentially, memory) for some other tasks. Cgroup v2 lacked this functionality, until this release.

Unlike with the cgroup v1 version, there is no separate controller, which has to be turned on, the functionality is always available and is represented by cgroup.freeze and cgroup.events cgroup control files. Writing "1" to the cgroup.freeze file will cause freezing of the cgroup and all descendant cgroups and all their belonging processes will be stopped and will not run until the cgroup will be explicitly unfrozen. Freezing may take some time; when this action is completed, the "frozen" value in the cgroup.events control file will be updated to "1". There are other differences required to conform the cgroup v2 interface design principles.

1.10. Add device mapper dust target

This release adds a Device Mapper 'dust' target. This target simulates a device that has failing sectors and/or read failures, and adds the ability to enable the emulation of the read failures at an arbitrary time. It is, thus, aimed at storage developers and sysadmins that want to test their storage stack. At a given time, the user can send a message to the target to start failing read requests on specific blocks. When the failure behavior is enabled, reads of blocks configured "bad" will fail with EIO.

2. Core (various)

3. File systems

BTRFS qgroups: last speed up in the series to address the slowness, there should be no overhead comparing balance with and without qgroups commit, commit, commit, commit, commit, commit, commit, commit, commit Improve performance on fsync of files with multiple hardlinks commit btrfs send tries harder to find ranges to clone commit Better checks to catch RAM corruption on data before it gets written to disk commit, commit, commit, commit, commit, commit, commit, commit, commit tree-checker: Allow error injection for tree-checker commit

XFS Introduce a new online health reporting infrastructure and ioctl for userspace to query a filesystem's metadata health status after online fsck checks the filesystem commit, commit, commit, commit, commit, commit, commit, commit Enhances the online scrub and repair code to report their findings to the health tracking subsystem commit, commit, commit, commit, commit Add online scrub for superblock counters. The online metadata checking code is feature complete with the addition of checks for the global fs counters, though it'll remain EXPERIMENTAL for now commit, commit, commit, commit, commit

EXT4 (FEATURED) Add as a feature case-insensitive directories (the casefold feature) using Unicode 12.1 commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

CEPH Support for exporting snapshots through NFS commit Dump granular cap info in "caps" debugfs file commit

CIFS Add fiemap support commit Improve zero-range support commit Add support to pass a blob to the server in FSCTL passthrough commit Negotiate and save preferred compression algorithms commit Add support for SEEK_DATA and SEEK_HOLE commit

FUSE Allow filesystems to have precise control over data cache commit Add ioctl flag for x32 compat ioctl commit

NFS Add a mount option softerr to allow clients to see ETIMEDOUT errors commit Allow containers to set supported nfs versions commit

ORANGEFS Implement xattr cache commit

OVERLAYFS Support stacked SEEK_HOLE/SEEK_DATA commit Ssupport the FS_IOC_FS[SG]ETXATTR ioctls commit

UBIFS Limit number of xattrs per inode commit

AFS Implement sillyrename for unlink and rename commit Provide mount-time configurable byte-range file locking emulation commit Implement getting/setting raw AFS and YFS ACLs as xattrs commit, commit, commit, commit



4. Memory management

Heterogeneous memory node attributes: Platforms may provide multiple types of cpu attached system memory. The memory ranges for each type may have different characteristics that applications may wish to know about when considering what node they want their memory allocated from. This release provides the attributes from such systems that are useful for applications to know about, and readily usable with existing tools and libraries commit, commit, commit, commit, commit, commit, commit, commit, commit

Make mincore(2) more conservative, to avoid exposing information about pagecache / memory mapping state, even about memory not strictly belonging to the process executing the syscall, opening possibilities for sidechannel attacks commit

Improve vmap allocation commit, commit, commit

userfaultfd: Add a global sysctl vm.unprivileged_userfaultfd to control whether userfaultfd is allowed by unprivileged users commit

Randomize free memory. Randomization of the page allocator improves the average utilization of a direct-mapped memory-side-cache commit, commit, commit

Add FOLL_LONGTERM to GUP fast, which lets it be used in situations such as DAX commit, commit, commit, commit, commit, commit, commit

slab: remove /proc/slab_allocators commit

z3fold: support page migration commit

5. Block layer

Improve DM snapshot target's scalability by using finer grained locking commit, commit, commit, commit, commit, commit

Add ability for DM integrity to use a bitmap mode, that tracks regions where data and metadata are out of sync, instead of using a journal, for improved performance commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

(FEATURED) Add testing-only DM dust target which simulates a device that has failing sectors and/or read failures commit

(FEATURED) BFQ: performance improvements commit, commit, commit, commit, commit, commit

block: remove CONFIG_LBDAF commit

6. Tracing, perf and BPF

perf record: Allow compression of perf ring buffer with option -z , resulting in ~3-5x perf.data file size reduction on variety of tested workloads commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit stat: Add a 'percore' event qualifier, e.g.: -e cpu/event=0,umask=0x3,percore=1/ that sums up the event counts for both hardware threads in a core. It is possible to do that now with --per-core , but it's often useful to do this together with other metrics that are collected per hardware thread commit, commit, commit perf list: Output tool events commit record: Implement --mmap-flush=<number> option to specify the minimal number of bytes that is extracted from mmaped kernel buffer to store into a trace. The default option value is 1 byte what means every time trace writing thread finds some new data in the mmaped buffer the data is extracted, possibly compressed and written to a trace commit scripts: exported-sql-viewer.py: Add context menu commit, add copy to clipboard commit perf stat: Implement duration_time as a proper event commit perf trace: Add 'string' event alias to select syscalls with string args commit

BPF kbuild: add ability to generate BTF type info for vmlinux and kernel modules. The intent is to record compact type information of all types used inside kernel, in order to enables BPF's compile-once-run-everywhere approach, in which tracing programs that are inspecting kernel's internal data can be compiled on a system running some kernel version, but would be possible to run on other kernel versions (and configurations) without recompilation, even if the layout of structs changed and/or some of the fields were added, removed, or renamed commit Add global data support for BPF. The kernel has been extended to add proper infrastructure that allows for full .bss/.data/.rodata sections on BPF loader commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Add a new program type BPF_PROG_TYPE_CGROUP_SYSCTL and attach type BPF_CGROUP_SYSCTL . BPF_CGROUP_SYSCTL hook is placed before calling to sysctl's proc_handler so that accesses (read/write) to sysctl can be controlled for specific cgroup and either allowed or denied, or traced commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit New set of arguments to bpf_attr for BPF_PROG_TEST_RUN : ctx_in/ctx_size_in - input context and ctx_out/ctx_size_out - output context commit, commit, commit, Add BPF sk local storage. It attempts to make bpf's network programming more intuitive to do (together with memory and performance benefit) commit, commit, commit, commit, commit, commit, commit Support variable offset stack access from helpers commit, commit BPF tc tunneling: it allows for dynamic tunneling, choosing the tunnel destination and features on-demand commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Allow checking SYN cookies from XDP and tc cls act commit, commit, commit, commit, commit, commit, commit, commit Extend bpf_skb_adjust_room growth to mark inner MAC header so that L2 encapsulation can be used for tc tunnels commit, commit, commit, commit Improve verifier scalability commit, commit, commit, commit, commit, commit, commit, commit, commit Add an opt-in interface for tracepoints to expose a writable context to BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE programs that are attached, while supporting read-only access from existing BPF_PROG_TYPE_RAW_TRACEPOINT programs, as well as from non-BPF-based tracepoints commit, commit, commit, commit, commit Make bpf_skb_ecn_set_ce callable from BPF_PROG_TYPE_SCHED_ACT commit Support BPF_PROG_QUERY for BPF_FLOW_DISSECTOR attach_type commit, commit bpftool: Support sysctl hook commit Add btf dumping to bpftool commit, commit, commit, commit

tracing Introduce a new ftrace file, tracing/error_log, for ftrace commands to log errors. This is useful for allowing more complex commands such as hist trigger and kprobe_event commands to point out specifically where something may have gone wrong without forcing them to resort to more ad hoc methods such as tacking error messages onto existing output files commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit tracing: Kernel access to Ftrace instances commit



7. Virtualization

virtio A few prime improvements commit, commit Add virtio-gpu-features debugfs file commit

KVM Introduce KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2 commit polling: add architecture backend to disable polling commit

hv_sock: Add support for delayed close commit

8. Cryptography

ecrdsa: add EC-RDSA (GOST 34.10) algorithm commit

simd: support wrapping AEAD algorithms commit

testmgr: add panic_on_fail module parameter commit

9. Security

security: Create "kernel hardening" config area commit

ntp: Audit NTP parameters adjustment commit

tomoyo: Add a kernel config option for fuzzing testing commit

tls: Add support of AES128-CCM based ciphers commit

Implement Clang's stack initialization commit

10. Networking

TCP Undo congestion window on spurious SYN or SYNACK timeout commit, commit, commit, commit, commit, commit, commit, commit Add rx/tx cache to reduce lock contention commit, commit, commit

IPv4: Enable support for IPv6 gateway with IPv4 routes commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

IPv6 Add icmp_echo_ignore_anycast ioctl for ICMPv6. It makes the kernel ignore all ICMP ECHO requests destined to anycast address commit Add icmp_echo_ignore_multicast ioctl for ICMPv6. It makes the kernel ignore all ICMP ECHO requests destined to multicast address commit Add rate limit mask for ICMPv6 messages commit

batman-adv Add multicast-to-unicast support for multiple targets commit Make sysfs support optional commit

Support binding vlan dev link state to vlan member bridge ports commit, commit, commit, commit, commit

Switch IP ID generator to siphash commit

ethtool: add support for Fast Link Down as new PHY tunable commit

packet scheduler Improving xmit performances of lockless qdisc in the uncontended scenario commit, commit flow_offload: support CVLAN match commit act_police offload support commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

Foo over UDP: Support binding FoU socket commit

High-availability Seamless Redundancy Add debugfs support for display node list commit Add tx stats for master interface commit

ipvs: allow tunneling with gue encapsulation commit

WiFi Extended key ID support commit, commit, commit, commit Mesh link probing support commit, commit, commit OWE userspace processing support commit Add support for mesh airtime link metric attribute NL80211_STA_INFO_AIRTIME_LINK_METRIC commit debugfs option to force TX status frames commit Add support to set tx power for a station associated commit, commit

Netfilter Adds support for the nat chain type in the inet family commit, commit, commit, commit, commit, commit nft_osf: Add version option support commit

netlink strict validation commit, commit, commit, commit, commit

openvswitch: Add timeout support to ct action commit

socket: implement 64-bit timestamps commit

taprio: adds support for changing the running schedules during "runtime" commit, commit, commit, commit

tipc Improve TIPC unicast link throughput commit, commit, commit Support broadcast/replicast configurable for bc-link commit, commit, commit Introduce new socket option TIPC_SOCK_RECVQ_USED . It returns the number of buffers in receive socket buffer which is not so helpful for user space applications commit

tun: Add ioctl TUNGETDEVNETNS cmd to allow obtaining real net ns of tun device commit

vlan: disable SIOCSHWTSTAMP in container commit

macvlan: disable SIOCSHWTSTAMP in container commit

Support ESP offload in combination with gso partial commit

RDMA Add netlink command to change net namespace of rdma device commit, commit, commit Disable device sharing in multiple net namespace commit, commit, commit, commit, commit Expose device link type to rdma_rename utility commit

netdevsim Change debugfs tree topology commit Implement ndo_get_devlink_port commit



11. Architectures

11.1. ARM

New SoCs Intel Agilex (SoCFPGA) commit NXP i.MX8MM (Quad Cortex-A53 with media/graphics focus) commit

New boards Allwinner RerVision H3-DVK (H3) commit Oceanic 5205 5inMFD (H6) commit Beelink GS2 (H6) commit Orange Pi 3 (H6) commit Rockchip Orange Pi RK3399 commit Nanopi NEO4 commit Veyron-Mighty Chromebook variant commit Amlogic: SEI Robotics SEI510 commit ST Micro stm32mp157a discovery1 commit stm32mp157c discovery2 commit NXP Eckelmann ci4x10 (i.MX6DL) commit i.MX8MM EVK (i.MX8MM) commit ZII i.MX7 RPU2 (i.MX7) commit ZII SPB4 (VF610) commit Zii Ultra (i.MX8M) commit TQ TQMa7S (i.MX7Solo) commit, commit TQ TQMa7D (i.MX7Dual) commit Kobo Aura (i.MX50) commit Menlosystems M53 (i.MX53)j commit Nvidia: Jetson Nano (Tegra T210) commit ixp4xx: Add device tree boot support commit IXP4xx-based Linksys NSLU2 and Gateworks GW2358 which encompass the Gateworks Cambria family commit

coresight: Support static funnel commit

Add PCI ATS support to Arm SMMUv3 commit, commit, commit, commit, commit, commit, commit, commit

perf: add a driver for the SMMUv3 PMU into the perf framework commit, commit, commit

11.2. ARM64

Introduces a DC CVADP instruction which cleans the data cache to the point of deep persistence commit, commit, commit, commit, commit, commit

Expose SVE2 features for userspace commit

Add system vulnerability sysfs entries commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

KVM Implements support for allowing KVM guests to use the Arm Scalable Vector Extension (SVE) commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Add ARMv8.3 pointer authentication for kvm guest commit, commit, commit, commit

perf: support for perf event modifiers :G and :H which allows for filtering of PMU events between host and guests when used with KVM commit, commit, commit, commit, commit, commit, commit, commit

perf vendor events: Add Cortex-A57 and Cortex-A72 events commit

11.3. X86

Introduce x86-64 IRQ/exception/debug stack guard pages to detect stack overflows immediately and deterministically commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

(FEATURED) Add bug infrastructure to deal with the Microarchitectural Data Sampling (MDS) hardware vulnerability, which allows unprivileged speculative access to data which is available in various CPU internal buffers. This new set of misfeatures has the following variants: Microarchitectural Store Buffer Data Sampling (MSBDS, CVE-2018-12126), Microarchitectural Fill Buffer Data Sampling (MFBDS, CVE-2018-12130), Microarchitectural Load Port Data Sampling (MLPDS, CVE-2018-12127), Microarchitectural Data Sampling Uncacheable Memory (MDSUM, CVE-2019-11091) commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

Optimize when to load FPU registers: only when returning to userspace and not on every context switch (while the task remains in the kernel). By this optimisation we can avoid loading the registers if the task stays in kernel and does not return to userland, and make kernel_fpu_begin() cheaper commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

Sysfs interface to set the Performance and Energy Bias Hint (EPB) commit, commit

platforms chrome: Add CrOS USB PD logging driver commit chrome: Add support for v1 of host sleep event commit chrome: cros_ec: Add EC host command support using rpmsg commit chrome: wilco_ec: Add h1_gpio status to debugfs commit Add support for Basin Cove power button commit asus-wmi: Add fn-lock mode switch support commit mlx-platform: Add support for tachometer speed register commit

perf: Add Icelake support (kernel only, except Topdown) commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

perf: Add Tremont core PMU support commit

perf: Add support for recording and printing XMM registers available, for instance, on Icelake commit

perf vendor events intel: Update Bonnell to V4 commit, update Broadwell events to v23 commit, update Broadwell-DE events to v7 commit, update BroadwellX events to v14 commit, update Goldmont to v13 commit, update GoldmontPlus to v1.01 commit, update Haswell events to v28 commit, update HaswellX events to v20 commit, update IvyBridge events to v21 commit, update IvyTown events to v20 commit, update JakeTown events to v20 commit, update KnightsLanding events to v9 commit, update SandyBridge events to v16 commit, update Silvermont to v14 commit, update Skylake events to v42 commit, update SkylakeX events to v1.12 commit, update metrics from TMAM 3.5 commit

Use temporary mm for text poking commit, commit

Intel trace hub Add switch triggering support commit msu: Add a sysfs attribute to trigger window switch commit Add Comet Lake support commit

KVM: Implement HWCR support commit

KVM: Introduce a new guest mapping interface commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

hyper-v: Implement EOI assist optimization commit

Inject a PMI for KVM Guest when ToPA buffer is filled commit, commit

XEN: Add "xen_timer_slop" command line option commit

Let x86_64 unlock 1GB-hugetlb pages commit, commit

11.4. CSKY

ftrace: Add dynamic function tracer (include graph tracer) commit

Add page fault perf event support commit

Add perf callchain support commit

Add support for perf registers sampling commit

Support dynamic start physical address commit

Add support for libdw commit

Add support for perf unwind-libdw commit

11.5. MIPS

eBPF: Provide support for MIPS64R6 commit, commit

eBPF: Initial support for MIPS32 architecture commit

11.6. PARISC

Add KPROBES support commit, commit

Convert page table updates to use per-pagetable spinlocks which overall improves performance on SMP machines a lot commit

Add KGDB support commit

11.7. POWERPC

Support for Kernel Userspace Access/Execution Prevention (like SMAP/SMEP/PAN/PXN) on some 64-bit and 32-bit CPUs. This prevents the kernel from accidentally accessing userspace outside copy_to/from_user(), or ever executing userspace commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

KVM: Book3S HV: add XIVE native exploitation mode commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

32 bit: Add KASAN support commit

32 bit: A fast path entry for syscalls on 32-bit CPUs, for a 12-17% speedup in the null_syscall benchmark commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

Warn if W+X pages found on boot commit

Show powerpc_security_features in debugfs commit

Add force enable of DAWR on P9 option commit

11.8. RISCV

Implement nosmp commandline option commit

Support nr_cpus command line option commit

11.9. S390

Add support for kernel address space layout randomization (KASLR) commit

Support relocatable kernel commit

Add support for kernel image signature verification commit

KVM: new guest facilities commit, commit, commit, commit, commit, commit, commit

KVM: Add halt_poll_max_steal to set the maximum percentage of steal time to allow polling commit

Add support for the CPU-Measurement Facility counter second version number 6 commit, commit

crypto: use TRNG for seeding/reseeding commit

ipl: Provide has_secure sysfs attribute commit

qeth: add TX multiqueue support for IQD devices commit

qeth: add TX multiqueue support for OSA devices commit

Protected virtualization guest support commit

Report new CPU capabilities commit

PCI: Add parameter to disable usage of MIO instructions commit

Add parameter to force floating irqs commit

Show statistics for MSI IRQs commit

vfio-ccw: support hsch/csch commit, commit, commit, commit, commit, commit

11.10. XTENSA

Add exclusive atomics support commit

11.11. ARC

HSDK platform updates commit, commit, commit, commit, commit

Kill applications trying to access kernel virtual space commit

12. Drivers

12.1. Graphics

Userspace DRM API Initial merge of timeline sync objects. Timeline syncobj gives user more flexibility and convenience to do sychronization commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Expose FB_DAMAGE_CLIPS to atomic aware userspace only commit Add Colorspace connector property interface to program colorspace to sink devices. Modern sink devices support more than 1 type of colorspace like 601, 709, BT2020 etc. This helps to switch based on content type which is to be displayed commit, commit, commit Enable P0xx (planar), Y2xx and Y4xx (packed) pixel formats commit, commit, commit, commit, commit, commit Support 64 bpp half float formats commit, commit, commit fourcc: Add AFBC yuv fourccs for Mali commit, commit, commit, commit, commit, commit, commit, commit

New drivers vboxvideo: moved out of staging commit aspeed: ASPEED SoC BMC chip display support commit (FEATURED) lima: ARM Mali4xx GPU acceleration driver support commit (FEATURED )panfrost: ARM Mali6xx/7xx Midgard/Bitfrost acceleration driver support commit

i915 Comet Lake (Gen9) PCI IDs commit, commit Updated Icelake PCI IDs commit Elkhartlake (Gen11) support commit, commit, commit, commit, commit, commit gvt: Enable async flip on plane surface mmio writes, some 3D applications have significant performance improvement commit Add support for Gen 11 pipe color features commit, commit, commit Implement HDCP2.2 commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit DP MST property addtions commit, commit, commit, commit, commit, commit

amdgpu Use HMM for userptr vega20 experimental smu11 support merge Add initial RAS (Reliability, Availability, Serviceability) support to amdgpu on supported boards. Features include SRAM and VRAM ECC, bad page tracking, and error containment commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit BACO (Bus Active, Chip Off) support for vega12 commit, commit, commit NV12 planes support commit colorspace properties for planes commit Expose generic SDP message access interface commit Expose support for DRM_FORMAT_RGB565 commit Expose support for alpha blending on overlays commit Add sysfs files for returning VRAM/GTT info2 commit XGMI pstate switch initial support commit, commit Enable XGMI mapping for peer device commit Add sysfs entries for xgmi hive commit amdkfd: Add missing Polaris10 ID commit Add debugfs dpcd interface commit Add debugfs entry for amdgpu_dm_visual_confirm commit Generic SDP message access in debugfs commit

panel OSD070T1718-19TS panel support commit panel-tpo-td028ttec1 backlight support commit Ronbo RB070D30 MIPI/DSI commit Feiyang FY07024DI26A30-D MIPI-DSI panel commit Rocktech jh057n00900 MIPI-DSI panel commit simple: add lg,acx467akm-7 panel commit

msm GPU zap shader support expansion commit, commit Enable userspace support for robustness commit, commit, commit

meson G12A support commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

malidp Initial Mali D71 support in komeda driver commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

omapdrm drm bridge/panel support commit, commit Remove TFP410 and DVI connector drivers commit Remove panel-dpi driver commit

nouveau Initial support for boards with TU117 chipset commit Add kconfig option to turn off nouveau legacy contexts. (v3) commit

rockchip rk3066 hdmi support commit

sun4i DSI burst mode support commit

v3d v3d v4.2 support commit

rcar-du Display writeback support commit

vc4 Add a debugfs entry to disable/enable the load tracker commit

cirrus Rewrite and modernize driver commit

backlight: lm3630a: Add firmware node support commit

Add library for shmem backed GEM objects commit

12.2. Storage

ahci: qoriq: add ls1028a platforms support commit

ahci: qoriq: add lx2160 platforms support commit

nvmet-tcp: implement C2HData SUCCESS optimization commit

SCSI mpt3sas: Load balance to improve performance and avoid soft lockups commit qedf: Add driver state to 'driver_stats' debugfs node commit qla2xxx: qla2xxx: Add support for ISP28XX (Gen7) adapter commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit smartpqi: add H3C controller IDs commit target: Add device product id and revision configfs attributes commit ufs-cdns: Add support for UFSHCI with M31 PHY commit ufs-mediatek: Add UFS support for Mediatek SoC chips commit



12.3. Drivers in the Staging area

spi: mt7621: Move SPI driver out of staging commit

iio: ad7780: moving ad7780 out of staging commit

erofs: support IO read error injection commit

iio: ad7780: add gain & filter gpio support commit

most: enable configfs support commit

Add Fieldbus Device subsystem commit

fieldbus: anybus-s: support HMS Anybus-S bus commit

fieldbus: anybus-s: support the Arcx anybus controller commit

fieldbus: support HMS Profinet IRT industrial controller commit

kpc2000: add initial set of Daktronics drivers commit

kpc2000: Add DMA driver commit

media: cedrus: Add support for H6 commit

media: zoran: remove deprecated driver commit

m57621-mmc: delete driver from the tree commit

Remove mt7621-eth commit

rtlwifi: delete the staging driver commit

12.4. Networking

Bluetooth btbcm: Add default address for BCM43341B commit btbcm: Add entry for BCM2076B1 UART Bluetooth commit btmrvl: add support for SD8987 chipset commit hci_qca: Added support for WCN3998 commit mediatek: add support for MediaTek MT7663S and MT7668S SDIO devices commit

hfi1: Add debugfs to control expansion ROM write protect commit

Add the Elastic Fabric Adapter (EFA) driver commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

ipoib: Allow user space differentiate between valid dev_port commit

Allow FDB, RAW flows and DEVX on representors together with small fixes commit, commit, commit, commit, commit, commit

aquantia: Implement hwmon api for chip temperature commit, commit

bnx2x: Add support for detection of P2P event packets commit

bnxt_en Add device IDs 0x1806 and 0x1752 for 57500 devices commit Add support for PCIe statistics commit Add support for aRFS on 57500 chips commit

cxgb4/cxgb4vf: Display advertised FEC in ethtool commit

dpaa2-eth: Add flow steering support without masking commit

Distributed switch architecture Add NXP SJA1105 DSA driver commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit lantiq: Add bridge offloading commit, commit, commit, commit, commit

enetc: Add missing link state info for ethtool commit

hns3: add some DFX info for HNS3 driver commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

i40e Add support for X710 B/P & SFP+ cards commit Implement DDP support in i40e driver commit Introduce recovery mode support commit Add new pci id for X710/XXV710 N3000 cards commit

ice Add support for Data Center Bridging (DCB) commit, commit, commit, commit, commit, commit, commit, commit, commit Add support for PF/VF promiscuous mode commit Enable MAC anti-spoof by default commit

igc Add multiple receive queues control supporting commit Add support for statistics commit Add support for the ntuple feature commit Extend the ethtool supporting commit

iwlwifi Add support for 6-7 GHz channels commit dbg: add DRAM monitor support for AX210 device family commit dbg_ini: add lmac and umac error tables dumping support commit dbg_ini: add periodic trigger support commit for AX210 device support radio GF4 commit mvm: enable HT/VHT IBSS commit mvm: support multiple BSSID commit mvm: support v2 of the WoWLAN patterns command commit

mlx5 Add user space managed steering infrastructure commit, commit, commit, commit Add support in RDMA RX steering commit Eswitch, enable RoCE loopback traffic commit

mlx5e Add the Support for VLAN modify action and replaces TC VLAN pop and push actions with VLAN modify commit, commit, commit Offload TC e-switch rules with egress/ingress VLAN devices commit, commit Add Geneve tunnel stateless offload support commit XDP, Inline small packets into the TX MPWQE in XDP xmit flow commit ethtool, Add support for EEPROM high pages query commit

mlxsw Add support for devlink info command commit spectrum: Implement loopback ethtool feature commit, commit

mt76 Add mac80211 driver for MT7615 PCIe-based chipsets commit Add TX/RX antenna pattern capabilities commit mt76x02: enable AP mode for USB commit

mvneta: Add 2500BaseT support commit

mvpp2 Add classification support commit, commit debugfs: Allow reading the C2 engine table from debugfs commit debugfs: Allow reading the flow table from debugfs commit

mwifiex: add support for SD8987 chipset commit

nfp add SR-IOV trusted VF support commit Flower flow merging commit, commit, commit, commit, commit, commit, commit, commit, commit, commit implement ethtool get module EEPROM commit

phy Move Omega PHY entry to Cygnus PHY driver commit Add amlogic g12a mdio mux support commit Add support for reset-controller commit aquantia: add SGMII statistics commit aquantia: add downshift support commit marvell: add PHY tunable fast link down support for 88E1540 commit meson-gxl: add g12a support commit mscc: add support for VSC8514 PHY commit

qtnfmac Allow changing the netns commit Allow to control DFS slave radar detection commit

rsi: add new device model for 9116 commit

rt2x00: add RT3883 support commit

rtw88: new Realtek 802.11ac driver commit

tg3: allow ethtool -p to work for NICs in down state commit

xilinx: emaclite: add ethtool ops commit, commit

12.5. Audio

aloop: Support S24 sample formats commit

firewire-motu: add support MOTU 8pre !FireWire commit

hda/intel: add !CometLake PCI IDs commit

hda/realtek: Support low power consumption for ALC256 commit and ALC295 commit

oxfw: allow PCM capture for Stanton SCS.1m commit

ALSA System on Chip (FEATURED) Add support for Sound Open Firmware for the common DSP framework commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Sound Open Firmware (SOF) - Intel support commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit Intel: add sof-rt5682 machine driver commit Intel: common: add Geminilake Realtek+Maxim machine driver entry commit Intel: skl_hda_dsp_generic: add DMIC support commit Mediatek: MT8183: Add machine driver with DA7219 commit Mediatek: MT8183: Add machine driver with TS3A227 commit Mediatek: MT8183: change supported formats of DL2 and UL1 commit cs42l51: add reset, regulators, master mode, power management, adc volume control commit, commit, commit, commit, commit, commit es8316: Add support for inverted jack detect commit fsl: Add NXP AUDMIX device and machine drivers commit, commit lochnagar: Add driver to support Lochnagar 2 sound card commit mchp-i2s-mcc: add driver for I2SC Multi-Channel Controller commit rt5651: Add support for active-high jack detect commit rt5677-spi: Add ACPI ID commit sprd Add Spreadtrum audio compress offload support commit Add Spreadtrum multi-channel data transfer support commit tlv320aic31xx Add button press detection commit Add headphone/headset detection commit Add Playback !PowerTune Controls commit Add Switch for Setting Common Mode Voltage commit wm_adsp: Add support for new Halo core DSPs commit



12.6. Tablets, touch screens, keyboards, mouses

Add KEY_KBD_LAYOUT_NEXT , a key to cycle through a set of keyboard layouts commit, commit

Add a driver for GPIO controllable vibrators commit

Add support for Azoteq IQS550/572/525 commit

goodix: add GT5663 CTP support commit

qt1050: add Microchip AT42QT1050 support commit

sun4i-a10-lradc-keys: add support for A83T commit

max77650: Add onkey support commit

HID Add driver for U2F Zero built-in LED and RNG commit intel-ish-hid: Add Comet Lake PCI device ID commit intel-ish-hid: ISH firmware loader client driver commit logitech: Handling of non DJ receivers in hid-logitech-dj commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit logitech-dj: add support for the Logitech MX5500's Bluetooth Mini-Receiver commit logitech-hidpp: add support for the MX5500 keyboard commit logitech-hidpp: Add support for the S510 remote control commit macally: Add support for Macally ikey keyboard commit



12.7. TV tuners, webcams, video capturers

Media Device Allocator internal API, which allows multiple drivers share a media device. It solves a very common use-case for media devices where one physical device (an USB stick) provides both audio and video commit, commit, commit, commit, commit

v4l: add I / P frame min max QP definitions commit

user api: Add MEDIA_BUS_FMT_BGR888_3X8 media bus format commit

vicodec: Add support for stateless decoder commit

atmel-isc: Add support for BT656 with CRC decoding commit

dvb: Add support for the Avermedia TD310 commit

platform: meson: Add Amlogic Meson G12A AO CEC Controller driver commit

rcar-csi2: Enable support for r8a774a1 commit

rcar-vin: Enable support for r8a774a1 commit

st-mipid02: MIPID02 CSI-2 to PARALLEL bridge driver commit

12.8. Universal Serial Bus

usb/hcd: Send a uevent signaling that the host controller had died commit

xhci: add Immediate Data Transfer support, which allow the HCD to copy small chunks of data (up to 8bytes) directly into its output transfer TRBs. This avoids the somewhat expensive DMA mappings that are performed by default on most URBs submissions commit

gadget: f_ncm: Add OS descriptor support commit

dwc3: Add Amlogic G12A DWC3 glue commit

host: xhci-tegra: Add Tegra186 XUSB support commit

mtu3: add debugfs interface files commit

mtu3: supports new QMU format commit

typec: Add driver for NVIDIA Alt Modes commit

typec: ucsi: Support for DisplayPort alt mode commit

typec: ucsi: ccg: add firmware flashing support commit

usb-storage: Add new ID to ums-realtek commit

serial: pl2303: add Allied Telesis VT-Kit3 commit

serial: option: add Telit 0x1260 and 0x1261 compositions commit

serial: option: add support for Simcom SIM7500/SIM7600 RNDIS mode commit

12.9. Serial Peripheral Interface (SPI)

bcm2835aux: add driver stats to debugfs commit

dw: Add support for an optional interface clock commit

imx: add module parameter to control DMA use commit

lpspi: Add i.MX8 boards support for lpspi commit

lpspi: add dma mode support commit

lpspi: enable runtime pm for lpspi commit

pxa2xx: Add support for Intel Comet Lake commit

spi-mem: Add support for Zynq QSPI controller commit

tegra114: add 3 wire transfer mode support commit

tegra114: add dual mode support commit

12.10. Watchdog

bd70528: Initial support for ROHM BD70528 watchdog block commit

imx_sc: Add i.MX system controller watchdog support commit

12.11. Serial

serial: f81232: add high baud rate support commit

serial: Add Milbeaut serial control commit

serial: sprd: Add DMA mode support commit

tty: serial: add driver for the SiFive UART commit

12.12. ACPI, EFI, cpufreq, thermal, Power Management

ACPI/IORT: Add support for the SMMU Performance Monitor Counter Group information from ACPI commit

cpufreq: qoriq: Add ls1028a chip support commit

cpufreq: qoriq: add support for lx2160a commit

thermal: Add some functionalities for Tegra soctherm commit, commit, commit, commit, commit, commit, commit, commit

thermal: tsens: Add generic support for TSENS v1 IP commit

thermal: Introduce Amazon's Annapurna Labs Thermal Driver commit

thermal: rockchip: Support the PX30 SoC in thermal driver commit

12.13. Real Time Clock (RTC)

Add ASPEED RTC driver commit

ds1672: remove sysfs debug interface commit

pcf85063: add alarm, nvram, offset correction and microcrystal rv8263 support commit, commit, commit, commit, commit

12.14. Voltage, current regulators, power capping, power supply

Power Add over-current health state commit Add standard, adaptive and custom charge types commit Add new properties for start/end charge threshold commit, commit UCS1002 Programmable USB Port Power Controller commit Ingenic JZ47xx Battery Fuel Gauge commit AXP20x USB Power: Add AXP813 support commit AT91 poweroff: Add SAM9X60 support commit OLPC battery: Add XO-1.5 and XO-1.75 support commit gpio-charger: Add support for charger status commit max77650: Add support for battery charger commit

regulator: Add support for stm32 power regulators commit

12.15. Pin Controllers (pinctrl)

lochnagar: Add support for the Cirrus Logic Lochnagar commit

mediatek: Add MT8516 Pinctrl driver commit

Add pinctrl support for BM1880 SoC commit

Add STMFX GPIO expander Pinctrl/GPIO driver commit

12.16. Multi Media Card (MMC)

mtk-sd: add support for MT8516 commit

sdhci-pci: Add support for Intel CML commit

12.17. Memory Technology Devices (MTD)

afs: add v2 partition parsing commit

rawnand: atmel: add sam9x60 nand controller support commit

rawnand: ingenic: Add support for the JZ4725B commit

rawnand: ingenic: Add support for the JZ4740 commit

spi-nor: intel-spi: Add support for Intel Comet Lake SPI serial flash commit

12.18. Industrial I/O (iio)

accel: add support to LIS2DE12 commit

accel: kxcjk1013: Add KIOX0008 ACPI Hardware-ID commit

adc: Add driver for the TI ADS8344 A/DC chips commit

adc: ad7616: Add support for AD7616 ADC commit

adc: lpc32xx: Add scale feature commit

adc: stm32-dfsdm: add support for buffer modes commit and scan mode commit

counter: stm32-lptimer: Add power management support commit

gyro: add core driver for fxas21002c commit

gyro: fxas21002c: add i2c driver commit and spi driver commit

imu: adis16480: Add support for ADIS1649x family of devices commit

imu: adis16480: Add support for external clock commit

imu: st_lsm6dsx: add support to LSM6DSOX commit

imu: st_lsm6dsx: add support to LSM6DSR commit

light: vcnl4000 add support for the VCNL4040 proximity and light sensor commit

temperature: Add MAX31856 thermocouple support commit

srf04.c: add maxbotix ultrasonic sensors commit

12.19. Multi Function Devices (MFD)

Add ST Multi-Function eXpander (STMFX) core driver commit

Add new driver for MAX77650 PMIC commit

altera-sysmgr: Add SOCFPGA System Manager commit

axp20x: Add USB power supply mfd cell to AXP803 commit and AXP813 commit

cros_ec: Add host_sleep_event_v1 command commit

intel-lpss: Add Intel Comet Lake PCI IDs commit

max77620: Support Maxim 77663 commit

sec: Add support for the RTC on S2MPA01 commit

syscon: Add optional clock support commit

12.20. Pulse-Width Modulation (PWM)

pwm: Add i.MX TPM PWM driver support commit

12.21. Inter-Integrated Circuit (I2C)

i2c-piix4: Add Hygon Dhyana SMBus support commit

Add drivers for the AMD PCIe MP2 I2C controller commit

at91: added slave mode support commit

designware: Add support for an interface clock commit

iproc: Add slave mode support commit

iproc: add NIC I2C support commit

iproc: add polling support commit

mediatek: Add i2c support for MediaTek MT8183 commit

12.22. Hardware monitoring (hwmon)

Add support for samples attributes to ABI commit

ina3221: Add averaging mode support commit and voltage conversion time settings commit

lm75: Add support for TMP75B commit

max6650: add thermal cooling device capability commit

mlxreg-fan: Add support for fan capability registers commit

pmbus/ir38064: Add driver for Infineon IR38064 Voltage Regulator commit

pmbus/isl68137: Add driver for Intersil ISL68137 PWM Controller commit

pwm-fan: Add RPM support via external interrupt commit

lochnagar: Add Lochnagar 2 hardware monitoring driver commit

12.23. General Purpose I/O (gpio)

Add driver for Mellanox BlueField GPIO controller commit

ixp4xx: Add driver for the IXP4xx GPIO commit

max77650: Add GPIO support commit

pca953x: Add support for CAT9554 commit and pca6416 commit

12.24. Leds

lm3532: Introduce the lm3532 LED driver commit

max77650: Add LEDs support commit

12.25. DMA engines

pl330: introduce debugfs interface commit

tegra210-adma: add support for Tegra186/Tegra194 commit

12.26. Cryptography hardware acceleration

cavium/nitrox - Added rfc4106(gcm(aes)) cipher support commit

ccp: introduce SEV_GET_ID2 command commit

ccree: add CID and PID support commit

ccree: add SM4 protected keys support commit

ccree: add support for sec disabled mode commit

mxc-scc: Remove broken driver commit

12.27. PCI

al: Add Amazon Annapurna Labs PCIe host controller driver commit

keystone: Add support for PCIe EP commit and PCIe RC in AM654x Platforms commit

12.28. Thunderbolt

Bring same kind of functionality for older Apple systems than we have in PCs. Software connection manager is used on Apple hardware with Light Ridge, Cactus Ridge or Falcon Ridge controllers to create PCIe tunnels when a Thunderbolt device is connected. Currently only one PCIe tunnel is supported. On newer Alpine Ridge based Apple systems the driver starts the firmware which then takes care creating tunnels. These patches improve the connection manager to bring full PCIe daisy chains (up to 6 devices), Display Port tunneling and P2P networking. It also adds support for Titan Ridge based Apple systems commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit

Add support for DMA tunnels commit

Add support for Display Port tunnels commit

Add support for XDomain connections commit

Add XDomain UUID exchange support commit

12.29. Clock

analogbits: add Wide-Range PLL library commit

at91: add support for the sam9x60 clocks handled by the PMC commit, commit, commit, commit

imx: pllv4: add fractional-N pll support commit

lochnagar: Add support for the Cirrus Logic Lochnagar commit

mediatek: Add MT8183 clock support commit

mediatek: add clock driver for MT8516 commit

meson: axg-audio: add g12a support commit

qcom: Add QCS404 TuringCC commit

renesas: r8a774c0: Add Z2 clock commit

sifive: add a driver for the SiFive FU540 PRCI IP block commit

stm32: Introduce clocks of STM32F769 board commit

milbeaut: Add Milbeaut M10V clock controller commit

clocksource/drivers/ixp4xx: Add driver commit

12.30. PHY ("physical layer" framework)

Add usb phy support for hi3660 Soc of Hisilicon commit

amlogic: Add Amlogic G12A USB3 + PCIE Combo PHY Driver commit

amlogic: add Amlogic G12A USB2 PHY Driver commit

mediatek: Add UFS M-PHY driver commit, commit

qcom-qmp: Add msm8998 PCIe QMP PHY support commit

rcar-gen3-usb2: Add support for r8a77470 commit

renesas: phy-rcar-gen2: Add support for r8a77470 commit

sr-usb: Add Stingray USB PHY driver commit

tegra: xusb: Add Tegra186 support commit, add support for power supplies commit

ti: Add a new SERDES driver for TI's AM654x SoC commit

12.31. EDAC (Error Detection And Correction)

amd64: Add Family 17h Model 30h PCI IDs commit

altera: Add Stratix10 ECC DBE SMC call commit

12.32. Various

misc: Add Aspeed P2A control driver commit, commit

extcon: intel-cht-wc: Enable external charger commit

fpga manager: Adding FPGA Manager support for Xilinx zynqmp commit

habanalabs Allow the user to inquire about the device's status (operational/Malfunction/in-reset) in the INFO IOCTL commit Add new IOCTL for debug, tracing and profiling commit, commit Add goya implementation for debug configuration commit

mailbox: Add support for Armada 37xx rWTM mailbox commit

mei: expose device state in sysfs commit

mtip32xx: remove trim support commit

nvmem: Add driver for STM32 factory-programmed read only mem commit

nvmem: imx-ocotp: add support for imx8mq commit

nvmem: stm32: add support for STM32MP15 BSEC to control OTP data commit

of: address: Add support for the parent DMA bus commit

platform/mellanox: Add !TmFifo driver for Mellanox BlueField Soc commit

pps: pps-gpio PPS ECHO implementation commit

soc: imx: Add generic i.MX8 SoC driver commit

soc: ti: Add MSI domain bus support for Interrupt Aggregator commit

irqchip/ti-sci-inta: Add msi domain support commit

irqchip/ti-sci-inta: Add support for Interrupt Aggregator driver commit

irqchip/ti-sci-intr: Add support for Interrupt Router driver commit

irqchip: Add driver for IXP4xx commit

tty: rocket: Remove RCPK_GET_STRUCT ioctl commit and deprecate the rp_ioctl commit

13. List of feature merges

14. Other news sites