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Revision tags: v6.6.67, v6.6.66, v6.6.65, v6.6.64, v6.6.63, v6.6.62, v6.6.61, v6.6.60, v6.6.59, v6.6.58, v6.6.57, v6.6.56, v6.6.55, v6.6.54, v6.6.53, v6.6.52, v6.6.51, v6.6.50, v6.6.49, v6.6.48, v6.6.47, v6.6.46, v6.6.45, v6.6.44, v6.6.43, v6.6.42, v6.6.41, v6.6.40, v6.6.39, v6.6.38, v6.6.37, v6.6.36, v6.6.35, v6.6.34, v6.6.33, v6.6.32, v6.6.31, v6.6.30, v6.6.29, v6.6.28, v6.6.27, v6.6.26, v6.6.25, v6.6.24, v6.6.23, v6.6.16, v6.6.15, v6.6.14, v6.6.13, v6.6.12, v6.6.11, v6.6.10, v6.6.9, v6.6.8, v6.6.7, v6.6.6, v6.6.5, v6.6.4, v6.6.3, v6.6.2, v6.5.11, v6.6.1, v6.5.10, v6.6, v6.5.9, v6.5.8, v6.5.7, v6.5.6, v6.5.5, v6.5.4, v6.5.3
# c900529f 12-Sep-2023 Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-fixes into drm-misc-fixes

Forwarding to v6.6-rc1.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


# 535a265d 09-Sep-2023 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'perf-tools-for-v6.6-1-2023-09-05' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
"perf tools maintainership:

Merge tag 'perf-tools-for-v6.6-1-2023-09-05' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
"perf tools maintainership:

- Add git information for perf-tools and perf-tools-next trees and
branches to the MAINTAINERS file. That is where development now
takes place and myself and Namhyung Kim have write access, more
people to come as we emulate other maintainer groups.

perf record:

- Record kernel data maps when 'perf record --data' is used, so that
global variables can be resolved and used in tools that do data
profiling.

perf trace:

- Remove the old, experimental support for BPF events in which a .c
file was passed as an event: "perf trace -e hello.c" to then get
compiled and loaded.

The only known usage for that, that shipped with the kernel as an
example for such events, augmented the raw_syscalls tracepoints and
was converted to a libbpf skeleton, reusing all the user space
components and the BPF code connected to the syscalls.

In the end just the way to glue the BPF part and the user space
type beautifiers changed, now being performed by libbpf skeletons.

The next step is to use BTF to do pretty printing of all syscall
types, as discussed with Alan Maguire and others.

Now, on a perf built with BUILD_BPF_SKEL=1 we get most if not all
path/filenames/strings, some of the networking data structures,
perf_event_attr, etc, i.e. systemwide tracing of nanosleep calls
and perf_event_open syscalls while 'perf stat' runs 'sleep' for 5
seconds:

# perf trace -a -e *nanosleep,perf* perf stat -e cycles,instructions sleep 5
0.000 ( 9.034 ms): perf/327641 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), size: 136, config: 0 (PERF_COUNT_HW_CPU_CYCLES), sample_type: IDENTIFIER, read_format: TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING, disabled: 1, inherit: 1, enable_on_exec: 1, exclude_guest: 1 }, pid: 327642 (perf), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 3
9.039 ( 0.006 ms): perf/327641 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), size: 136, config: 0x1 (PERF_COUNT_HW_INSTRUCTIONS), sample_type: IDENTIFIER, read_format: TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING, disabled: 1, inherit: 1, enable_on_exec: 1, exclude_guest: 1 }, pid: 327642 (perf-exec), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 4
? ( ): gpm/991 ... [continued]: clock_nanosleep()) = 0
10.133 ( ): sleep/327642 clock_nanosleep(rqtp: { .tv_sec: 5, .tv_nsec: 0 }, rmtp: 0x7ffd36f83ed0) ...
? ( ): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
30.276 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
223.215 (1000.430 ms): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) = 0
30.276 (2000.394 ms): gpm/991 ... [continued]: clock_nanosleep()) = 0
1230.814 ( ): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) ...
1230.814 (1000.404 ms): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
2030.886 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
2237.709 (1000.153 ms): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) = 0
? ( ): crond/1172 ... [continued]: clock_nanosleep()) = 0
3242.699 ( ): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) ...
2030.886 (2000.385 ms): gpm/991 ... [continued]: clock_nanosleep()) = 0
3728.078 ( ): crond/1172 clock_nanosleep(rqtp: { .tv_sec: 60, .tv_nsec: 0 }, rmtp: 0x7ffe0971dcf0) ...
3242.699 (1000.158 ms): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
4031.409 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
10.133 (5000.375 ms): sleep/327642 ... [continued]: clock_nanosleep()) = 0

Performance counter stats for 'sleep 5':

2,617,347 cycles
1,855,997 instructions # 0.71 insn per cycle

5.002282128 seconds time elapsed

0.000855000 seconds user
0.000852000 seconds sys

perf annotate:

- Building with binutils' libopcode now is opt-in (BUILD_NONDISTRO=1)
for licensing reasons, and we missed a build test on
tools/perf/tests makefile.

Since we now default to NDEBUG=1, we ended up segfaulting when
building with BUILD_NONDISTRO=1 because a needed initialization
routine was being "error checked" via an assert.

Fix it by explicitly checking the result and aborting instead if it
fails.

We better back propagate the error, but at least 'perf annotate' on
samples collected for a BPF program is back working when perf is
built with BUILD_NONDISTRO=1.

perf report/top:

- Add back TUI hierarchy mode header, that is seen when using 'perf
report/top --hierarchy'.

- Fix the number of entries for 'e' key in the TUI that was
preventing navigation of lines when expanding an entry.

perf report/script:

- Support cross platform register handling, allowing a perf.data file
collected on one architecture to have registers sampled correctly
displayed when analysis tools such as 'perf report' and 'perf
script' are used on a different architecture.

- Fix handling of event attributes in pipe mode, i.e. when one uses:

perf record -o - | perf report -i -

When no perf.data files are used.

- Handle files generated via pipe mode with a version of perf and
then read also via pipe mode with a different version of perf,
where the event attr record may have changed, use the record size
field to properly support this version mismatch.

perf probe:

- Accessing global variables from uprobes isn't supported, make the
error message state that instead of stating that some minimal
kernel version is needed to have that feature. This seems just a
tool limitation, the kernel probably has all that is needed.

perf tests:

- Fix a reference count related leak in the dlfilter v0 API where the
result of a thread__find_symbol_fb() is not matched with an
addr_location__exit() to drop the reference counts of the resolved
components (machine, thread, map, symbol, etc). Add a dlfilter test
to make sure that doesn't regresses.

- Lots of fixes for the 'perf test' written in shell script related
to problems found with the shellcheck utility.

- Fixes for 'perf test' shell scripts testing features enabled when
perf is built with BUILD_BPF_SKEL=1, such as 'perf stat' bpf
counters.

- Add perf record sample filtering test, things like the following
example, that gets implemented as a BPF filter attached to the
event:

# perf record -e task-clock -c 10000 --filter 'ip < 0xffffffff00000000'

- Improve the way the task_analyzer test checks if libtraceevent is
linked, using 'perf version --build-options' instead of the more
expensinve 'perf record -e "sched:sched_switch"'.

- Add support for riscv in the mmap-basic test. (This went as well
via the RiscV tree, same contents).

libperf:

- Implement riscv mmap support (This went as well via the RiscV tree,
same contents).

perf script:

- New tool that converts perf.data files to the firefox profiler
format so that one can use the visualizer at
https://profiler.firefox.com/. Done by Anup Sharma as part of this
year's Google Summer of Code.

One can generate the output and upload it to the web interface but
Anup also automated everything:

perf script gecko -F 99 -a sleep 60

- Support syscall name parsing on arm64.

- Print "cgroup" field on the same line as "comm".

perf bench:

- Add new 'uprobe' benchmark to measure the overhead of uprobes
with/without BPF programs attached to it.

- breakpoints are not available on power9, skip that test.

perf stat:

- Add #num_cpus_online literal to be used in 'perf stat' metrics, and
add this extra 'perf test' check that exemplifies its purpose:

TEST_ASSERT_VAL("#num_cpus_online",
expr__parse(&num_cpus_online, ctx, "#num_cpus_online") == 0);
TEST_ASSERT_VAL("#num_cpus", expr__parse(&num_cpus, ctx, "#num_cpus") == 0);
TEST_ASSERT_VAL("#num_cpus >= #num_cpus_online", num_cpus >= num_cpus_online);

Miscellaneous:

- Improve tool startup time by lazily reading PMU, JSON, sysfs data.

- Improve error reporting in the parsing of events, passing YYLTYPE
to error routines, so that the output can show were the parsing
error was found.

- Add 'perf test' entries to check the parsing of events
improvements.

- Fix various leak for things detected by -fsanitize=address, mostly
things that would be freed at tool exit, including:

- Free evsel->filter on the destructor.

- Allow tools to register a thread->priv destructor and use it in
'perf trace'.

- Free evsel->priv in 'perf trace'.

- Free string returned by synthesize_perf_probe_point() when the
caller fails to do all it needs.

- Adjust various compiler options to not consider errors some
warnings when building with broken headers found in things like
python, flex, bison, as we otherwise build with -Werror. Some for
gcc, some for clang, some for some specific version of those, some
for some specific version of flex or bison, or some specific
combination of these components, bah.

- Allow customization of clang options for BPF target, this helps
building on gentoo where there are other oddities where BPF targets
gets passed some compiler options intended for the native build, so
building with WERROR=0 helps while these oddities are fixed.

- Dont pass ERR_PTR() values to perf_session__delete() in 'perf top'
and 'perf lock', fixing some segfaults when handling some odd
failures.

- Add LTO build option.

- Fix format of unordered lists in the perf docs
(tools/perf/Documentation)

- Overhaul the bison files, using constructs such as YYNOMEM.

- Remove unused tokens from the bison .y files.

- Add more comments to various structs.

- A few LoongArch enablement patches.

Vendor events (JSON):

- Add JSON metrics for Yitian 710 DDR (aarch64). Things like:

EventName, BriefDescription
visible_window_limit_reached_rd, "At least one entry in read queue reaches the visible window limit.",
visible_window_limit_reached_wr, "At least one entry in write queue reaches the visible window limit.",
op_is_dqsosc_mpc , "A DQS Oscillator MPC command to DRAM.",
op_is_dqsosc_mrr , "A DQS Oscillator MRR command to DRAM.",
op_is_tcr_mrr , "A Temperature Compensated Refresh(TCR) MRR command to DRAM.",

- Add AmpereOne metrics (aarch64).

- Update N2 and V2 metrics (aarch64) and events using Arm telemetry
repo.

- Update scale units and descriptions of common topdown metrics on
aarch64. Things like:
- "MetricExpr": "stall_slot_frontend / (#slots * cpu_cycles)",
- "BriefDescription": "Frontend bound L1 topdown metric",
+ "MetricExpr": "100 * (stall_slot_frontend / (#slots * cpu_cycles))",
+ "BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the frontend of the processor.",

- Update events for intel: meteorlake to 1.04, sapphirerapids to
1.15, Icelake+ metric constraints.

- Update files for the power10 platform"

* tag 'perf-tools-for-v6.6-1-2023-09-05' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (217 commits)
perf parse-events: Fix driver config term
perf parse-events: Fixes relating to no_value terms
perf parse-events: Fix propagation of term's no_value when cloning
perf parse-events: Name the two term enums
perf list: Don't print Unit for "default_core"
perf vendor events intel: Fix modifier in tma_info_system_mem_parallel_reads for skylake
perf dlfilter: Avoid leak in v0 API test use of resolve_address()
perf metric: Add #num_cpus_online literal
perf pmu: Remove str from perf_pmu_alias
perf parse-events: Make common term list to strbuf helper
perf parse-events: Minor help message improvements
perf pmu: Avoid uninitialized use of alias->str
perf jevents: Use "default_core" for events with no Unit
perf test stat_bpf_counters_cgrp: Enhance perf stat cgroup BPF counter test
perf test shell stat_bpf_counters: Fix test on Intel
perf test shell record_bpf_filter: Skip 6.2 kernel
libperf: Get rid of attr.id field
perf tools: Convert to perf_record_header_attr_id()
libperf: Add perf_record_header_attr_id()
perf tools: Handle old data in PERF_RECORD_ATTR
...

show more ...


Revision tags: v6.5.2, v6.1.51, v6.5.1
# 1ac731c5 30-Aug-2023 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge branch 'next' into for-linus

Prepare input updates for 6.6 merge window.


Revision tags: v6.1.50
# bd6c11bc 29-Aug-2023 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Paolo Abeni:
"Core:

- Increase size limits for to-be-sent skb frag allocat

Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Paolo Abeni:
"Core:

- Increase size limits for to-be-sent skb frag allocations. This
allows tun, tap devices and packet sockets to better cope with
large writes operations

- Store netdevs in an xarray, to simplify iterating over netdevs

- Refactor nexthop selection for multipath routes

- Improve sched class lifetime handling

- Add backup nexthop ID support for bridge

- Implement drop reasons support in openvswitch

- Several data races annotations and fixes

- Constify the sk parameter of routing functions

- Prepend kernel version to netconsole message

Protocols:

- Implement support for TCP probing the peer being under memory
pressure

- Remove hard coded limitation on IPv6 specific info placement inside
the socket struct

- Get rid of sysctl_tcp_adv_win_scale and use an auto-estimated per
socket scaling factor

- Scaling-up the IPv6 expired route GC via a separated list of
expiring routes

- In-kernel support for the TLS alert protocol

- Better support for UDP reuseport with connected sockets

- Add NEXT-C-SID support for SRv6 End.X behavior, reducing the SR
header size

- Get rid of additional ancillary per MPTCP connection struct socket

- Implement support for BPF-based MPTCP packet schedulers

- Format MPTCP subtests selftests results in TAP

- Several new SMC 2.1 features including unique experimental options,
max connections per lgr negotiation, max links per lgr negotiation

BPF:

- Multi-buffer support in AF_XDP

- Add multi uprobe BPF links for attaching multiple uprobes and usdt
probes, which is significantly faster and saves extra fds

- Implement an fd-based tc BPF attach API (TCX) and BPF link support
on top of it

- Add SO_REUSEPORT support for TC bpf_sk_assign

- Support new instructions from cpu v4 to simplify the generated code
and feature completeness, for x86, arm64, riscv64

- Support defragmenting IPv(4|6) packets in BPF

- Teach verifier actual bounds of bpf_get_smp_processor_id() and fix
perf+libbpf issue related to custom section handling

- Introduce bpf map element count and enable it for all program types

- Add a BPF hook in sys_socket() to change the protocol ID from
IPPROTO_TCP to IPPROTO_MPTCP to cover migration for legacy

- Introduce bpf_me_mcache_free_rcu() and fix OOM under stress

- Add uprobe support for the bpf_get_func_ip helper

- Check skb ownership against full socket

- Support for up to 12 arguments in BPF trampoline

- Extend link_info for kprobe_multi and perf_event links

Netfilter:

- Speed-up process exit by aborting ruleset validation if a fatal
signal is pending

- Allow NLA_POLICY_MASK to be used with BE16/BE32 types

Driver API:

- Page pool optimizations, to improve data locality and cache usage

- Introduce ndo_hwtstamp_get() and ndo_hwtstamp_set() to avoid the
need for raw ioctl() handling in drivers

- Simplify genetlink dump operations (doit/dumpit) providing them the
common information already populated in struct genl_info

- Extend and use the yaml devlink specs to [re]generate the split ops

- Introduce devlink selective dumps, to allow SF filtering SF based
on handle and other attributes

- Add yaml netlink spec for netlink-raw families, allow route, link
and address related queries via the ynl tool

- Remove phylink legacy mode support

- Support offload LED blinking to phy

- Add devlink port function attributes for IPsec

New hardware / drivers:

- Ethernet:
- Broadcom ASP 2.0 (72165) ethernet controller
- MediaTek MT7988 SoC
- Texas Instruments AM654 SoC
- Texas Instruments IEP driver
- Atheros qca8081 phy
- Marvell 88Q2110 phy
- NXP TJA1120 phy

- WiFi:
- MediaTek mt7981 support

- Can:
- Kvaser SmartFusion2 PCI Express devices
- Allwinner T113 controllers
- Texas Instruments tcan4552/4553 chips

- Bluetooth:
- Intel Gale Peak
- Qualcomm WCN3988 and WCN7850
- NXP AW693 and IW624
- Mediatek MT2925

Drivers:

- Ethernet NICs:
- nVidia/Mellanox:
- mlx5:
- support UDP encapsulation in packet offload mode
- IPsec packet offload support in eswitch mode
- improve aRFS observability by adding new set of counters
- extends MACsec offload support to cover RoCE traffic
- dynamic completion EQs
- mlx4:
- convert to use auxiliary bus instead of custom interface
logic
- Intel
- ice:
- implement switchdev bridge offload, even for LAG
interfaces
- implement SRIOV support for LAG interfaces
- igc:
- add support for multiple in-flight TX timestamps
- Broadcom:
- bnxt:
- use the unified RX page pool buffers for XDP and non-XDP
- use the NAPI skb allocation cache
- OcteonTX2:
- support Round Robin scheduling HTB offload
- TC flower offload support for SPI field
- Freescale:
- add XDP_TX feature support
- AMD:
- ionic: add support for PCI FLR event
- sfc:
- basic conntrack offload
- introduce eth, ipv4 and ipv6 pedit offloads
- ST Microelectronics:
- stmmac: maximze PTP timestamping resolution

- Virtual NICs:
- Microsoft vNIC:
- batch ringing RX queue doorbell on receiving packets
- add page pool for RX buffers
- Virtio vNIC:
- add per queue interrupt coalescing support
- Google vNIC:
- add queue-page-list mode support

- Ethernet high-speed switches:
- nVidia/Mellanox (mlxsw):
- add port range matching tc-flower offload
- permit enslavement to netdevices with uppers

- Ethernet embedded switches:
- Marvell (mv88e6xxx):
- convert to phylink_pcs
- Renesas:
- r8A779fx: add speed change support
- rzn1: enables vlan support

- Ethernet PHYs:
- convert mv88e6xxx to phylink_pcs

- WiFi:
- Qualcomm Wi-Fi 7 (ath12k):
- extremely High Throughput (EHT) PHY support
- RealTek (rtl8xxxu):
- enable AP mode for: RTL8192FU, RTL8710BU (RTL8188GU),
RTL8192EU and RTL8723BU
- RealTek (rtw89):
- Introduce Time Averaged SAR (TAS) support

- Connector:
- support for event filtering"

* tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1806 commits)
net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show
net: ethernet: mtk_wed: add some more info in wed_txinfo_show handler
net: stmmac: clarify difference between "interface" and "phy_interface"
r8152: add vendor/device ID pair for D-Link DUB-E250
devlink: move devlink_notify_register/unregister() to dev.c
devlink: move small_ops definition into netlink.c
devlink: move tracepoint definitions into core.c
devlink: push linecard related code into separate file
devlink: push rate related code into separate file
devlink: push trap related code into separate file
devlink: use tracepoint_enabled() helper
devlink: push region related code into separate file
devlink: push param related code into separate file
devlink: push resource related code into separate file
devlink: push dpipe related code into separate file
devlink: move and rename devlink_dpipe_send_and_alloc_skb() helper
devlink: push shared buffer related code into separate file
devlink: push port related code into separate file
devlink: push object register/unregister notifications into separate helpers
inet: fix IP_TRANSPARENT error handling
...

show more ...


Revision tags: v6.5, v6.1.49, v6.1.48
# fdebffeb 23-Aug-2023 Dave Airlie <airlied@redhat.com>

BackMerge tag 'v6.5-rc7' into drm-next

Linux 6.5-rc7

This is needed for the CI stuff and the msm pull has fixes in it.

Signed-off-by: Dave Airlie <airlied@redhat.com>


# a3dd14c0 21-Aug-2023 Georgi Djakov <djakov@kernel.org>

Merge tag 'v6.5-rc6' into icc-next

The fixes that got merged into v6.5-rc6 are needed here.

Signed-off-by: Georgi Djakov <djakov@kernel.org>


Revision tags: v6.1.46, v6.1.45, v6.1.44, v6.1.43, v6.1.42
# 4e95ed4f 25-Jul-2023 Thomas Richter <tmricht@linux.ibm.com>

perf build: Update feature check for clang and llvm

Perf build auto-detects features and packages already installed for its
build. This is done in directory tools/build/feature. This directory
conta

perf build: Update feature check for clang and llvm

Perf build auto-detects features and packages already installed for its
build. This is done in directory tools/build/feature. This directory
contains small sample programs. When they successfully compile the
necessary prereqs in form of libraries and header files are present.

Such a check is also done for llvm and clang. And the checks fail.

Fix this and update to the latest C++ standard and use the new library
provided by clang (which contains new packaging) s/ee this link for
reference:

https://fedoraproject.org/wiki/Changes/Stop-Shipping-Individual-Component-Libraries-In-clang-lib-Package

Output before:
# rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \
ll test-clang.make.output
g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \
> test-clang.make.output 2>&1 -std=gnu++14 \
-I/usr/include \
-L/usr/lib64 \
-Wl,--start-group -lclangBasic -lclangDriver \
-lclangFrontend -lclangEdit -lclangLex \
-lclangAST -Wl,--end-group \
-lLLVM-16 \
\
> test-clang.make.output 2>&1
make: *** [Makefile:356: test-clang.bin] Error 1
-bash: ./test-clang.bin: No such file or directory
-rw-r--r--. 1 root root 252041 Jul 12 09:56 test-clang.make.output
#

File test-clang.make.output contains many lines of unreferenced
symbols.

Output after:
# rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \
cat test-clang.make.output
g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \
> test-clang.make.output 2>&1 -std=gnu++17 \
-I/usr/include \
-L/usr/lib64 \
-Wl,--start-group -lclang-cpp -Wl,--end-group \
-lLLVM-16 \
\
> test-clang.make.output 2>&1
#

Committer notes:

Test it in the tools/build/feature directory, and have clang-devel and
llvm-devel installed.

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lore.kernel.org/r/20230725150347.3479291-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...


# 1346e933 31-Jul-2023 Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge 6.5-rc4 into char-misc-next

We need the char-misc fixes in here as well for testing.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>


# 3b9adfbb 27-Jul-2023 Takashi Iwai <tiwai@suse.de>

Merge tag 'asoc-fix-v6.5-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.5

A collection of device specific fixes, none particularly remarkabl

Merge tag 'asoc-fix-v6.5-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.5

A collection of device specific fixes, none particularly remarkable.
There's a set of repetitive fixes for the RealTek drivers fixing an
issue with suspend that was replicated in multiple drivers.

show more ...


# a32e0834 25-Jul-2023 Takashi Iwai <tiwai@suse.de>

Merge tag 'asoc-v6.6-early' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v6.6

Here's an initial batch of updates for ASoC for this release cycle.

Merge tag 'asoc-v6.6-early' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next

ASoC: Updates for v6.6

Here's an initial batch of updates for ASoC for this release cycle.
We've got a bunch of new drivers in here, a bit of core work from
Morimoto-san and quite a lot of janitorial work. There's several
updates that pull in changes from other subsystems in order to build
on them:

- An adaptor to allow use of IIO DACs and ADCs in ASoC which pulls in
some IIO changes.
- Create a library function for intlog10() and use it in the NAU8825
driver.
- Include the ASoC tests, including the topology tests, in the default
KUnit full test coverage. This also involves enabling UML builds of
ALSA since that's the default KUnit test environment which pulls in
the addition of some stubs to the driver.
- More factoring out from Morimoto-san.
- Convert a lot of drivers to use the more modern maple tree register
cache.
- Support for AMD machines with MAX98388 and NAU8821, Cirrus Logic
CS35L36, Intel AVS machines with ES8336 and RT5663 and NXP i.MX93.

show more ...


Revision tags: v6.1.41
# 447281e7 23-Jul-2023 Mark Brown <broonie@kernel.org>

regulator: Merge up fixes from mainline

There's several things here that will really help my CI.


# 9c214af0 23-Jul-2023 Mark Brown <broonie@kernel.org>

regmap: Merge up fixes from mainline

There's several things here that will really help my CI.


# 0b201982 23-Jul-2023 Mark Brown <broonie@kernel.org>

spi: Merge up fixes from mainline

There's several things here that will really help my CI.


# de1b43a5 23-Jul-2023 Mark Brown <broonie@kernel.org>

ASoC: Merge up fixes from mainline

There's several things here that will really help my CI.


# 1477c794 23-Jul-2023 Mark Brown <broonie@kernel.org>

ASoC: Merge up fixes from mainline

There's several things here that will really help my CI.


Revision tags: v6.1.40
# 59be3baa 20-Jul-2023 Jakub Kicinski <kuba@kernel.org>

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

No conflicts or adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>


Revision tags: v6.1.39
# ccff6d11 18-Jul-2023 Linus Torvalds <torvalds@linux-foundation.org>

Merge tag 'perf-tools-fixes-for-v6.5-1-2023-07-18' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

- Don't group events when c

Merge tag 'perf-tools-fixes-for-v6.5-1-2023-07-18' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Arnaldo Carvalho de Melo:

- Don't group events when computing metrics that require more than the
maximum number of simultaneously enabled events on AMD systems.

- Fix multi CU handling in 'perf probe', add a 'perf test' entry to
regress test it.

- Make the 'perf test task_exit' stop generating samples by using the
'dummy' event, all it is testing is if a PERF_RECORD_EXIT is
generated at the end of a perf session. This makes this perf test to
stop sometimes failing on some systems due to a full ring buffer.

- Avoid SEGV if PMU lookup fails for legacy cache terms.

- Fix libsubcmd SEGV/use-after-free when commands aren't excluded.

- Fix OpenCSD (ARM64's CoreSight hardware tracing) library path
resolution when specifying CSLIBS= in the make command line.

- Fix broken feature check for libtracefs due to external lib changes,
use the provided pkgconfig file instead future proof it.

- Sync drm, fcntl, kvm, mount, prctl, socket, vhost, asound, arm64's
cputype headers with the kernel sources, in some cases this made the
tools become aware of new kernel APIs such as ioctls and the
cachestat sysctl.

* tag 'perf-tools-fixes-for-v6.5-1-2023-07-18' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
perf test task_exit: No need for a cycles event to check if we get an PERF_RECORD_EXIT
tools headers arm64: Sync arm64's cputype.h with the kernel sources
tools include UAPI: Sync the sound/asound.h copy with the kernel sources
tools include UAPI: Sync linux/vhost.h with the kernel sources
perf beauty: Update copy of linux/socket.h with the kernel sources
perf parse-events: Avoid SEGV if PMU lookup fails for legacy cache terms
libsubcmd: Avoid SEGV/use-after-free when commands aren't excluded
tools headers UAPI: Sync linux/prctl.h with the kernel sources
perf build: Fix broken feature check for libtracefs due to external lib changes
tools include UAPI: Sync linux/mount.h copy with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools headers uapi: Sync linux/fcntl.h with the kernel sources
perf vendor events amd: Fix large metrics
perf build: Fix library not found error when using CSLIBS
tools headers UAPI: Sync files changed by new cachestat syscall with the kernel sources
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
perf probe: Read DWARF files from the correct CU
perf probe: Add test for regression introduced by switch to die_get_decl_file()

show more ...


# 50501936 17-Jul-2023 Dmitry Torokhov <dmitry.torokhov@gmail.com>

Merge tag 'v6.4' into next

Sync up with mainline to bring in updates to shared infrastructure.


# d2afa89f 13-Jul-2023 Jakub Kicinski <kuba@kernel.org>

Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Alexei Starovoitov says:

====================
pull-request: bpf-next 2023-07-13

We've added 67 non-merge comm

Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Alexei Starovoitov says:

====================
pull-request: bpf-next 2023-07-13

We've added 67 non-merge commits during the last 15 day(s) which contain
a total of 106 files changed, 4444 insertions(+), 619 deletions(-).

The main changes are:

1) Fix bpftool build in presence of stale vmlinux.h,
from Alexander Lobakin.

2) Introduce bpf_me_mcache_free_rcu() and fix OOM under stress,
from Alexei Starovoitov.

3) Teach verifier actual bounds of bpf_get_smp_processor_id()
and fix perf+libbpf issue related to custom section handling,
from Andrii Nakryiko.

4) Introduce bpf map element count, from Anton Protopopov.

5) Check skb ownership against full socket, from Kui-Feng Lee.

6) Support for up to 12 arguments in BPF trampoline, from Menglong Dong.

7) Export rcu_request_urgent_qs_task, from Paul E. McKenney.

8) Fix BTF walking of unions, from Yafang Shao.

9) Extend link_info for kprobe_multi and perf_event links,
from Yafang Shao.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (67 commits)
selftests/bpf: Add selftest for PTR_UNTRUSTED
bpf: Fix an error in verifying a field in a union
selftests/bpf: Add selftests for nested_trust
bpf: Fix an error around PTR_UNTRUSTED
selftests/bpf: add testcase for TRACING with 6+ arguments
bpf, x86: allow function arguments up to 12 for TRACING
bpf, x86: save/restore regs with BPF_DW size
bpftool: Use "fallthrough;" keyword instead of comments
bpf: Add object leak check.
bpf: Convert bpf_cpumask to bpf_mem_cache_free_rcu.
bpf: Introduce bpf_mem_free_rcu() similar to kfree_rcu().
selftests/bpf: Improve test coverage of bpf_mem_alloc.
rcu: Export rcu_request_urgent_qs_task()
bpf: Allow reuse from waiting_for_gp_ttrace list.
bpf: Add a hint to allocated objects.
bpf: Change bpf_mem_cache draining process.
bpf: Further refactor alloc_bulk().
bpf: Factor out inc/dec of active flag into helpers.
bpf: Refactor alloc_bulk().
bpf: Let free_all() return the number of freed elements.
...
====================

Link: https://lore.kernel.org/r/20230714020910.80794-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

show more ...


# a87834d1 11-Jul-2023 Thomas Richter <tmricht@linux.ibm.com>

perf build: Fix broken feature check for libtracefs due to external lib changes

The perf build process auto-detects features and packages already
installed for its build. This is done in directory t

perf build: Fix broken feature check for libtracefs due to external lib changes

The perf build process auto-detects features and packages already
installed for its build. This is done in directory tools/build/feature.
This directory contains small sample programs. When they successfully
compile the necessary prereqs in form of libraries and header files are
present.

Such a check is also done for libtracefs. And this check fails:

Output before:
# rm -f test-libtracefs.bin; make test-libtracefs.bin
gcc -MD -Wall -Werror -o test-libtracefs.bin test-libtracefs.c \
> test-libtracefs.make.output 2>&1 -ltracefs
make: *** [Makefile:211: test-libtracefs.bin] Error 1
# cat test-libtracefs.make.output
In file included from test-libtracefs.c:2:
/usr/include/tracefs/tracefs.h:11:10: fatal error: \
event-parse.h: No such file or directory
11 | #include <event-parse.h>
| ^~~~~~~~~~~~~~~
compilation terminated.
#

The root cause of this compile error is commit 880885d9c22e
("libtracefs: Remove "traceevent/" from referencing libtraceevent
headers") in the libtracefs project hosted here:
https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/

That mentioned patch removes the traceevent/ directory name from
the include statement, causing the file not to be included even
when the libtraceevent-devel package is installed. This package contains
the file referred to in tracefs/tracefs.h:

# rpm -ql libtraceevent-devel
/usr/include/traceevent
/usr/include/traceevent/event-parse.h <----- here
/usr/include/traceevent/event-utils.h
/usr/include/traceevent/kbuffer.h
/usr/include/traceevent/trace-seq.h
/usr/lib64/libtraceevent.so
/usr/lib64/pkgconfig/libtraceevent.pc
#

With this patch the compile succeeds.

Output after:
# rm -f test-libtracefs.bin; make test-libtracefs.bin
gcc -MD -Wall -Werror -o test-libtracefs.bin test-libtracefs.c \
> test-libtracefs.make.output 2>&1 -I/usr/include/traceevent -ltracefs
#

Committer testing:

$ make -k BUILD_BPF_SKEL=1 CORESIGHT=1 O=/tmp/build/perf-tools -C tools/perf install-bin

Before:

$ cat /tmp/build/perf-tools/feature/test-libtracefs.make.output
In file included from test-libtracefs.c:2:
/usr/include/tracefs/tracefs.h:11:10: fatal error: event-parse.h: No such file or directory
11 | #include <event-parse.h>
| ^~~~~~~~~~~~~~~
compilation terminated.
$
$ grep -i tracefs /tmp/build/perf-tools/FEATURE-DUMP
feature-libtracefs=0
$

After:

$ cat /tmp/build/perf-tools/feature/test-libtracefs.make.output
$
$ grep -i tracefs /tmp/build/perf-tools/FEATURE-DUMP
feature-libtracefs=1
$

Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20230711135338.397473-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...


Revision tags: v6.1.38, v6.1.37, v6.1.36, v6.4
# bbaf1ff0 23-Jun-2023 Fangrui Song <maskray@google.com>

bpf: Replace deprecated -target with --target= for Clang

The -target option has been deprecated since clang 3.4 in 2013. Therefore, use
the preferred --target=bpf form instead. This also matches how

bpf: Replace deprecated -target with --target= for Clang

The -target option has been deprecated since clang 3.4 in 2013. Therefore, use
the preferred --target=bpf form instead. This also matches how we use --target=
in scripts/Makefile.clang.

Signed-off-by: Fangrui Song <maskray@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Acked-by: Quentin Monnet <quentin@isovalent.com>
Link: https://github.com/llvm/llvm-project/commit/274b6f0c87a6a1798de0a68135afc7f95def6277
Link: https://lore.kernel.org/bpf/20230624001856.1903733-1-maskray@google.com

show more ...


# e80b5003 27-Jun-2023 Jiri Kosina <jkosina@suse.cz>

Merge branch 'for-6.5/apple' into for-linus

- improved support for Keychron K8 keyboard (Lasse Brun)


Revision tags: v6.1.35
# db6da59c 15-Jun-2023 Thomas Zimmermann <tzimmermann@suse.de>

Merge drm/drm-next into drm-misc-next-fixes

Backmerging to sync drm-misc-next-fixes with drm-misc-next.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>


Revision tags: v6.1.34
# 03c60192 12-Jun-2023 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

Merge branch 'drm-next' of git://anongit.freedesktop.org/drm/drm into msm-next-lumag-base

Merge the drm-next tree to pick up the DRM DSC helpers (merged via
drm-intel-next tree). MSM DSC v1.2 patche

Merge branch 'drm-next' of git://anongit.freedesktop.org/drm/drm into msm-next-lumag-base

Merge the drm-next tree to pick up the DRM DSC helpers (merged via
drm-intel-next tree). MSM DSC v1.2 patches depend on these helpers.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>

show more ...


Revision tags: v6.1.33
# 5c680050 06-Jun-2023 Miquel Raynal <miquel.raynal@bootlin.com>

Merge tag 'v6.4-rc4' into wpan-next/staging

Linux 6.4-rc4


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