Test bpf_tcp_ca (in test_progs) checks multiple tcp_congestion_ops.
However, there isn't a test that verifies functions in the
tcp_congestion_ops is actually called. Add a check to verify that
bpf_cubic_acked is actually called during the test.
Suggested-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Song Liu <song@kernel.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230919060258.3237176-3-song@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The testsuite already has simply tests for HSRv0. The testuite would
have been able to notice the v1 breakage if it was there at the time.
Extend the testsuite to also cover HSRv1.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the code and group into functions so it will be easier to extend
the test to HSRv1 so that both versions are covered.
Move the ping/test part into do_complete_ping_test() and the interface
setup into setup_hsr_interfaces().
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
The timeout in the while loop is never subtracted due wrong usage of
`let' leading to an endless loop if the former condition never gets
true.
Put the statement for let in quotes so it is parsed as a single
statement.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexei Starovoitov says:
====================
The following pull-request contains BPF updates for your *net* tree.
We've added 21 non-merge commits during the last 8 day(s) which contain
a total of 21 files changed, 450 insertions(+), 36 deletions(-).
The main changes are:
1) Adjust bpf_mem_alloc buckets to match ksize(), from Hou Tao.
2) Check whether override is allowed in kprobe mult, from Jiri Olsa.
3) Fix btf_id symbol generation with ld.lld, from Jiri and Nick.
4) Fix potential deadlock when using queue and stack maps from NMI, from Toke Høiland-Jørgensen.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Alan Maguire, Biju Das, Björn Töpel, Dan Carpenter, Daniel Borkmann,
Eduard Zingerman, Hsin-Wei Hung, Marcus Seyfarth, Nathan Chancellor,
Satya Durga Srinivasu Prabhala, Song Liu, Stephen Rothwell
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Marcus and Satya reported an issue where BTF_ID macro generates same
symbol in separate objects and that breaks final vmlinux link.
ld.lld: error: ld-temp.o <inline asm>:14577:1: symbol
'__BTF_ID__struct__cgroup__624' is already defined
This can be triggered under specific configs when __COUNTER__ happens to
be the same for the same symbol in two different translation units,
which is already quite unlikely to happen.
Add __LINE__ number suffix to make BTF_ID symbol more unique, which is
not a complete fix, but it would help for now and meanwhile we can work
on better solution as suggested by Andrii.
Cc: stable@vger.kernel.org
Reported-by: Satya Durga Srinivasu Prabhala <quic_satyap@quicinc.com>
Reported-by: Marcus Seyfarth <m.seyfarth@gmail.com>
Closes: https://github.com/ClangBuiltLinux/linux/issues/1913
Debugged-by: Nathan Chancellor <nathan@kernel.org>
Co-developed-by: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/bpf/CAEf4Bzb5KQ2_LmhN769ifMeSJaWfebccUasQOfQKaOd0nQ51tw@mail.gmail.com/
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230915-bpf_collision-v3-2-263fc519c21f@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-----BEGIN PGP SIGNATURE-----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=TgRd
-----END PGP SIGNATURE-----
Merge tag 'nf-23-09-13' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
netfilter pull request 23-09-13
====================
The following patchset contains Netfilter fixes for net:
1) Do not permit to remove rules from chain binding, otherwise
double rule release is possible, triggering UaF. This rule
deletion support does not make sense and userspace does not use
this. Problem exists since the introduction of chain binding support.
2) rbtree GC worker only collects the elements that have expired.
This operation is not destructive, therefore, turn write into
read spinlock to avoid datapath contention due to GC worker run.
This was not fixed in the recent GC fix batch in the 6.5 cycle.
3) pipapo set backend performs sync GC, therefore, catchall elements
must use sync GC queue variant. This bug was introduced in the
6.5 cycle with the recent GC fixes.
4) Stop GC run if memory allocation fails in pipapo set backend,
otherwise access to NULL pointer to GC transaction object might
occur. This bug was introduced in the 6.5 cycle with the recent
GC fixes.
5) rhash GC run uses an iterator that might hit EAGAIN to rewind,
triggering double-collection of the same element. This bug was
introduced in the 6.5 cycle with the recent GC fixes.
6) Do not permit to remove elements in anonymous sets, this type of
sets are populated once and then bound to rules. This fix is
similar to the chain binding patch coming first in this batch.
API permits since the very beginning but it has no use case from
userspace.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
tls.sendmsg_large and tls.sendmsg_multiple are trying to send through
the self->cfd socket (only configured with TLS_RX) and to receive through
the self->fd socket (only configured with TLS_TX), so they're not using
kTLS at all. Swap the sockets.
Fixes: 7f657d5bf5 ("selftests: tls: add selftests for TLS sockets")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current release - regressions:
- bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
Previous releases - regressions:
- ipv4: fix one memleak in __inet_del_ifa()
- tcp: fix bind() regressions for v4-mapped-v6 addresses.
- tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
- dsa: fixes for SJA1105 FDB regressions
- veth: update XDP feature set when bringing up device
- igb: fix hangup when enabling SR-IOV
Previous releases - always broken:
- kcm: fix memory leak in error path of kcm_sendmsg()
- smc: fix data corruption in smcr_port_add
- microchip: fix possible memory leak for vcap_dup_rule()
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
-----BEGIN PGP SIGNATURE-----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=vSvh
-----END PGP SIGNATURE-----
Merge tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Quite unusually, this does not contains any fix coming from subtrees
(nf, ebpf, wifi, etc).
Current release - regressions:
- bcmasp: fix possible OOB write in bcmasp_netfilt_get_all_active()
Previous releases - regressions:
- ipv4: fix one memleak in __inet_del_ifa()
- tcp: fix bind() regressions for v4-mapped-v6 addresses.
- tls: do not free tls_rec on async operation in
bpf_exec_tx_verdict()
- dsa: fixes for SJA1105 FDB regressions
- veth: update XDP feature set when bringing up device
- igb: fix hangup when enabling SR-IOV
Previous releases - always broken:
- kcm: fix memory leak in error path of kcm_sendmsg()
- smc: fix data corruption in smcr_port_add
- microchip: fix possible memory leak for vcap_dup_rule()"
* tag 'net-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg().
net: renesas: rswitch: Add spin lock protection for irq {un}mask
net: renesas: rswitch: Fix unmasking irq condition
igb: clean up in all error paths when enabling SR-IOV
ixgbe: fix timestamp configuration code
selftest: tcp: Add v4-mapped-v6 cases in bind_wildcard.c.
selftest: tcp: Move expected_errno into each test case in bind_wildcard.c.
selftest: tcp: Fix address length in bind_wildcard.c.
tcp: Fix bind() regression for v4-mapped-v6 non-wildcard address.
tcp: Fix bind() regression for v4-mapped-v6 wildcard address.
tcp: Factorise sk_family-independent comparison in inet_bind2_bucket_match(_addr_any).
ipv6: fix ip6_sock_set_addr_preferences() typo
veth: Update XDP feature set when bringing up device
net: macb: fix sleep inside spinlock
net/tls: do not free tls_rec on async operation in bpf_exec_tx_verdict()
net: ethernet: mtk_eth_soc: fix pse_port configuration for MT7988
net: ethernet: mtk_eth_soc: fix uninitialized variable
kcm: Fix memory leak in error path of kcm_sendmsg()
r8152: check budget for r8152_poll()
net: dsa: sja1105: block FDB accesses that are concurrent with a switch reset
...
Compare NETFILTER_CFG type audit logs emitted from kernel upon ruleset
modifications against expected output.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
We need to deny the attach_override test for arm64, denying the
whole kprobe_multi_test suite. Also making attach_override static.
Fixes: 7182e56411 ("selftests/bpf: Add kprobe_multi override test")
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230913114711.499829-1-jolsa@kernel.org
- Add missing LOCKDOWN checks for eventfs callers
When LOCKDOWN is active for tracing, it causes inconsistent state
when some functions succeed and others fail.
- Use dput() to free the top level eventfs descriptor
There was a race between accesses and freeing it.
- Fix a long standing bug that eventfs exposed due to changing timings
by dynamically creating files. That is, If a event file is opened
for an instance, there's nothing preventing the instance from being
removed which will make accessing the files cause use-after-free bugs.
- Fix a ring buffer race that happens when iterating over the ring
buffer while writers are active. Check to make sure not to read
the event meta data if it's beyond the end of the ring buffer sub buffer.
- Fix the print trigger that disappeared because the test to create it
was looking for the event dir field being filled, but now it has the
"ef" field filled for the eventfs structure.
- Remove the unused "dir" field from the event structure.
- Fix the order of the trace_dynamic_info as it had it backwards for the
offset and len fields for which one was for which endianess.
- Fix NULL pointer dereference with eventfs_remove_rec()
If an allocation fails in one of the eventfs_add_*() functions,
the caller of it in event_subsystem_dir() or event_create_dir()
assigns the result to the structure. But it's assigning the ERR_PTR
and not NULL. This was passed to eventfs_remove_rec() which expects
either a good pointer or a NULL, not ERR_PTR. The fix is to not
assign the ERR_PTR to the structure, but to keep it NULL on error.
- Fix list_for_each_rcu() to use list_for_each_srcu() in
dcache_dir_open_wrapper(). One iteration of the code used RCU
but because it had to call sleepable code, it had to be changed
to use SRCU, but one of the iterations was missed.
- Fix synthetic event print function to use "as_u64" instead of
passing in a pointer to the union. To fix big/little endian issues,
the u64 that represented several types was turned into a union to
define the types properly.
-----BEGIN PGP SIGNATURE-----
iIoEABYIADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCZQCvoBQccm9zdGVkdEBn
b29kbWlzLm9yZwAKCRAp5XQQmuv6qtgrAP9MiYiCMU+90oJ+61DFchbs3y7BNidP
s3lLRDUMJ935NQD/SSAm54PqWb+YXMpD7m9+3781l6xqwfabBMXNaEl+FwA=
=tlZu
-----END PGP SIGNATURE-----
Merge tag 'trace-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Add missing LOCKDOWN checks for eventfs callers
When LOCKDOWN is active for tracing, it causes inconsistent state
when some functions succeed and others fail.
- Use dput() to free the top level eventfs descriptor
There was a race between accesses and freeing it.
- Fix a long standing bug that eventfs exposed due to changing timings
by dynamically creating files. That is, If a event file is opened for
an instance, there's nothing preventing the instance from being
removed which will make accessing the files cause use-after-free
bugs.
- Fix a ring buffer race that happens when iterating over the ring
buffer while writers are active. Check to make sure not to read the
event meta data if it's beyond the end of the ring buffer sub buffer.
- Fix the print trigger that disappeared because the test to create it
was looking for the event dir field being filled, but now it has the
"ef" field filled for the eventfs structure.
- Remove the unused "dir" field from the event structure.
- Fix the order of the trace_dynamic_info as it had it backwards for
the offset and len fields for which one was for which endianess.
- Fix NULL pointer dereference with eventfs_remove_rec()
If an allocation fails in one of the eventfs_add_*() functions, the
caller of it in event_subsystem_dir() or event_create_dir() assigns
the result to the structure. But it's assigning the ERR_PTR and not
NULL. This was passed to eventfs_remove_rec() which expects either a
good pointer or a NULL, not ERR_PTR. The fix is to not assign the
ERR_PTR to the structure, but to keep it NULL on error.
- Fix list_for_each_rcu() to use list_for_each_srcu() in
dcache_dir_open_wrapper(). One iteration of the code used RCU but
because it had to call sleepable code, it had to be changed to use
SRCU, but one of the iterations was missed.
- Fix synthetic event print function to use "as_u64" instead of passing
in a pointer to the union. To fix big/little endian issues, the u64
that represented several types was turned into a union to define the
types properly.
* tag 'trace-v6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
eventfs: Fix the NULL pointer dereference bug in eventfs_remove_rec()
tracefs/eventfs: Use list_for_each_srcu() in dcache_dir_open_wrapper()
tracing/synthetic: Print out u64 values properly
tracing/synthetic: Fix order of struct trace_dynamic_info
selftests/ftrace: Fix dependencies for some of the synthetic event tests
tracing: Remove unused trace_event_file dir field
tracing: Use the new eventfs descriptor for print trigger
ring-buffer: Do not attempt to read past "commit"
tracefs/eventfs: Free top level files on removal
ring-buffer: Avoid softlockup in ring_buffer_resize()
tracing: Have event inject files inc the trace array ref count
tracing: Have option files inc the trace array ref count
tracing: Have current_trace inc the trace array ref count
tracing: Have tracing_max_latency inc the trace array ref count
tracing: Increase trace array ref count on enable and filter files
tracefs/eventfs: Use dput to free the toplevel events directory
tracefs/eventfs: Add missing lockdown checks
tracefs: Add missing lockdown check to tracefs_create_dir()
We add these 8 test cases in bind_wildcard.c to check bind() conflicts.
1st bind() 2nd bind()
--------- ---------
0.0.0.0 ::FFFF:0.0.0.0
::FFFF:0.0.0.0 0.0.0.0
0.0.0.0 ::FFFF:127.0.0.1
::FFFF:127.0.0.1 0.0.0.0
127.0.0.1 ::FFFF:0.0.0.0
::FFFF:0.0.0.0 127.0.0.1
127.0.0.1 ::FFFF:127.0.0.1
::FFFF:127.0.0.1 127.0.0.1
All test passed without bhash2 and with bhash2 and this series.
Before bhash2:
$ uname -r
6.0.0-rc1-00393-g0bf73255d3a3
$ ./bind_wildcard
...
# PASSED: 16 / 16 tests passed.
Just after bhash2:
$ uname -r
6.0.0-rc1-00394-g28044fc1d495
$ ./bind_wildcard
...
ok 15 bind_wildcard.v4_local_v6_v4mapped_local.v4_v6
not ok 16 bind_wildcard.v4_local_v6_v4mapped_local.v6_v4
# FAILED: 15 / 16 tests passed.
On net.git:
$ ./bind_wildcard
...
not ok 14 bind_wildcard.v4_local_v6_v4mapped_any.v6_v4
not ok 16 bind_wildcard.v4_local_v6_v4mapped_local.v6_v4
# FAILED: 13 / 16 tests passed.
With this series:
$ ./bind_wildcard
...
# PASSED: 16 / 16 tests passed.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a preparation patch for the following patch.
Let's define expected_errno in each test case so that we can add other test
cases easily.
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The selftest passes the IPv6 address length for an IPv4 address.
We should pass the correct length.
Note inet_bind_sk() does not check if the size is larger than
sizeof(struct sockaddr_in), so there is no real bug in this
selftest.
Fixes: 13715acf8a ("selftest: Add test for bind() conflicts.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 1d56ade032 changed the function get_unpriv_disabled() to
return its results as a bool instead of updating a global variable, but
test_verifier was not updated to keep in line with these changes. Thus
unpriv_disabled is always false in test_verifier and unprivileged tests
are not properly skipped on systems with unprivileged bpf disabled.
Fixes: 1d56ade032 ("selftests/bpf: Unprivileged tests for test_loader.c")
Signed-off-by: Artem Savkov <asavkov@redhat.com>
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20230912120631.213139-1-asavkov@redhat.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This kselftest fixes update for Linux 6.6-rc2 consists of fixes
-- kselftest runner script to propagate SIGTERM to runner child
to avoid kselftest hang.
-- to install symlinks required for test execution to avoid test
failures.
-- kselftest dependency checker script argument parsing.
-----BEGIN PGP SIGNATURE-----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=8/pm
-----END PGP SIGNATURE-----
Merge tag 'linux-kselftest-next-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- kselftest runner script to propagate SIGTERM to runner child
to avoid kselftest hang
- install symlinks required for test execution to avoid test
failures
- kselftest dependency checker script argument parsing
* tag 'linux-kselftest-next-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: Keep symlinks, when possible
selftests: fix dependency checker script
kselftest/runner.sh: Propagate SIGTERM to runner child
selftests/ftrace: Correctly enable event in instance-event.tc
Commit 151e887d8f ("veth: Fixing transmit return status for dropped
packets") started propagating proper NET_XMIT_DROP error to the caller
which means it's now possible to get positive error code when calling
bpf_clone_redirect() in this particular test. Update the test to reflect
that.
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230911194731.286342-2-sdf@google.com
Commit 151e887d8f ("veth: Fixing transmit return status for dropped
packets") exposed the fact that bpf_clone_redirect is capable of
returning raw NET_XMIT_XXX return codes.
This is in the conflict with its UAPI doc which says the following:
"0 on success, or a negative error in case of failure."
Update the UAPI to reflect the fact that bpf_clone_redirect can
return positive error numbers, but don't explicitly define
their meaning.
Reported-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230911194731.286342-1-sdf@google.com
Add a test to test all possible and valid allocation size for bpf
memory allocator. For each possible allocation size, the test uses
the following two steps to test the alloc and free path:
1) allocate N (N > high_watermark) objects to trigger the refill
executed in irq_work.
2) free N objects to trigger the freeing executed in irq_work.
Signed-off-by: Hou Tao <houtao1@huawei.com>
Link: https://lore.kernel.org/r/20230908133923.2675053-5-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Starting with v197, systemd uses predictable interface network names,
the traditional interface naming scheme (eth0) is deprecated, therefore
it cannot be assumed that the eth0 interface exists on the host.
This modification makes the bind_bhash test program run in a separate
network namespace and no longer needs to consider the name of the
network interface on the host.
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
perf tools maintainership:
- Add git information for perf-tools and perf-tools-next trees/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.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-----BEGIN PGP SIGNATURE-----
iHUEABYKAB0WIQR2GiIUctdOfX2qHhGyPKLppCJ+JwUCZPfJZgAKCRCyPKLppCJ+
J1/eAP9lgtavD0V75wy1p5zyotkceOmPTkk1DYFVx2Euhxa/lAD/YW/JvuVSo0Gr
HqJP52XaV0tF8gG+YxL+Lay/Ke0P5AQ=
=d12c
-----END PGP SIGNATURE-----
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
...
- Fix a bug encountered by people using bittorrent where they'd get
NULL pointer dereferences on page cache lookups when using XFS
- Two documentation fixes
-----BEGIN PGP SIGNATURE-----
iQEzBAABCgAdFiEEejHryeLBw/spnjHrDpNsjXcpgj4FAmT7XLYACgkQDpNsjXcp
gj6qrAf+LiAs3dUELOjrqaQQbbNGp4na+YwJCiezuvwZn8P+ieJpt6QCEDHEb1jH
LCOjr0GFMhHnAWp9Q0Qay4IXoKk8DPkA/avSaZgsl5blmMyNqFMgHklU7mjRvhCG
ayb/NeZYwrJhA9NyueXYuH3h7QDryxyIN3TZS1/7z13YrohMIQeu3q7X/ZBMh7NS
uPd7vmDj8TnZ/agQzplQ4XDov9lrzkUXDJqpMvn/Gbr4K7y66UZa3SLxi1JPrnah
ffDvBlK2OImNBoaADfiRImWc7QlXVkF/B08xUcJ6tXAeO6xJDykkie+gjsF2S040
YP2YIG+IWi47zqa25EuxFRtavwUh6w==
=4GKy
-----END PGP SIGNATURE-----
Merge tag 'xarray-6.6' of git://git.infradead.org/users/willy/xarray
Pull xarray fixes from Matthew Wilcox:
- Fix a bug encountered by people using bittorrent where they'd get
NULL pointer dereferences on page cache lookups when using XFS
- Two documentation fixes
* tag 'xarray-6.6' of git://git.infradead.org/users/willy/xarray:
idr: fix param name in idr_alloc_cyclic() doc
xarray: Document necessary flag in alloc functions
XArray: Do not return sibling entries from xa_load()
Commit b81a3a100c ("tracing/histogram: Add simple tests for
stacktrace usage of synthetic events") changed the output text in
tracefs README, but missed updating some of the dependencies specified
in selftests. This causes some of the tests to exit as unsupported.
Fix this by changing the grep pattern. Since we want these tests to work
on older kernels, match only against the common last part of the
pattern.
Link: https://lore.kernel.org/linux-trace-kernel/20230614091046.2178539-1-naveen@kernel.org
Cc: <linux-kselftest@vger.kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Fixes: b81a3a100c ("tracing/histogram: Add simple tests for stacktrace usage of synthetic events")
Signed-off-by: Naveen N Rao <naveen@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Adding test that tries to attach program with bpf_override_return
helper to function not within error injection list.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230907200652.926951-2-jolsa@kernel.org
-----BEGIN PGP SIGNATURE-----
iIYEABYIAC4WIQSVyBthFV4iTW/VU1/l49DojIL20gUCZPi3lxAcbWljQGRpZ2lr
b2QubmV0AAoJEOXj0OiMgvbSW+4A/3VcBRAB8/1HTTUulwUMYhF2msyAN6p5TtKl
WGVASdC1AP9NbR2Dh9HwHZmVrlwRbVlqSh9Avi+d0VNQjJKPwvtHBw==
=nU3g
-----END PGP SIGNATURE-----
Merge tag 'landlock-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock updates from Mickaël Salaün:
"One test fix and a __counted_by annotation"
* tag 'landlock-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Fix a resource leak
landlock: Annotate struct landlock_rule with __counted_by
When kselftest is built/installed with the 'gen_tar' target, rsync is
used for the installation step to copy files. Extra care is needed for
tests that have symlinks. Commit ae108c48b5 ("selftests: net: Fix
cross-tree inclusion of scripts") added '-L' (transform symlink into
referent file/dir) to rsync, to fix dangling links. However, that
broke some tests where the symlink (being a symlink) is part of the
test (e.g. exec:execveat).
Use rsync's '--copy-unsafe-links' that does right thing.
Fixes: ae108c48b5 ("selftests: net: Fix cross-tree inclusion of scripts")
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Reviewed-by: Benjamin Poirier <bpoirier@nvidia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This patch fixes inconsistencies in the parsing rules of the levels 1
and 2 of the kselftest_deps.sh. It was added the levels 4 and 5 to
account for a few edge cases that are present in some tests, also some
minor identation styling have been fixed (s/ /\t/g).
Signed-off-by: Ricardo B. Marliere <rbmarliere@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Timeouts in kselftest are done using the "timeout" command with the
"--foreground" option. Without the "foreground" option, it is not
possible for a user to cancel the runner using SIGINT, because the
signal is not propagated to timeout which is running in a different
process group. The "forground" options places the timeout in the same
process group as its parent, but only sends the SIGTERM (on timeout)
signal to the forked process. Unfortunately, this does not play nice
with all kselftests, e.g. "net:fcnal-test.sh", where the child
processes will linger because timeout does not send SIGTERM to the
group.
Some users have noted these hangs [1].
Fix this by nesting the timeout with an additional timeout without the
foreground option.
Link: https://lore.kernel.org/all/7650b2eb-0aee-a2b0-2e64-c9bc63210f67@alu.unizg.hr/ # [1]
Fixes: 651e0d8814 ("kselftest/runner: allow to properly deliver signals to tests")
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Current release - regressions:
- eth: stmmac: fix failure to probe without MAC interface specified
Current release - new code bugs:
- docs: netlink: fix missing classic_netlink doc reference
Previous releases - regressions:
- deal with integer overflows in kmalloc_reserve()
- use sk_forward_alloc_get() in sk_get_meminfo()
- bpf_sk_storage: fix the missing uncharge in sk_omem_alloc
- fib: avoid warn splat in flow dissector after packet mangling
- skb_segment: call zero copy functions before using skbuff frags
- eth: sfc: check for zero length in EF10 RX prefix
Previous releases - always broken:
- af_unix: fix msg_controllen test in scm_pidfd_recv() for
MSG_CMSG_COMPAT
- xsk: fix xsk_build_skb() dereferencing possible ERR_PTR()
- netfilter:
- nft_exthdr: fix non-linear header modification
- xt_u32, xt_sctp: validate user space input
- nftables: exthdr: fix 4-byte stack OOB write
- nfnetlink_osf: avoid OOB read
- one more fix for the garbage collection work from last release
- igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU
- bpf, sockmap: fix preempt_rt splat when using raw_spin_lock_t
- handshake: fix null-deref in handshake_nl_done_doit()
- ip: ignore dst hint for multipath routes to ensure packets
are hashed across the nexthops
- phy: micrel:
- correct bit assignments for cable test errata
- disable EEE according to the KSZ9477 errata
Misc:
- docs/bpf: document compile-once-run-everywhere (CO-RE) relocations
- Revert "net: macsec: preserve ingress frame ordering", it appears
to have been developed against an older kernel, problem doesn't
exist upstream
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-----BEGIN PGP SIGNATURE-----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=YpmE
-----END PGP SIGNATURE-----
Merge tag 'net-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking updates from Jakub Kicinski:
"Including fixes from netfilter and bpf.
Current release - regressions:
- eth: stmmac: fix failure to probe without MAC interface specified
Current release - new code bugs:
- docs: netlink: fix missing classic_netlink doc reference
Previous releases - regressions:
- deal with integer overflows in kmalloc_reserve()
- use sk_forward_alloc_get() in sk_get_meminfo()
- bpf_sk_storage: fix the missing uncharge in sk_omem_alloc
- fib: avoid warn splat in flow dissector after packet mangling
- skb_segment: call zero copy functions before using skbuff frags
- eth: sfc: check for zero length in EF10 RX prefix
Previous releases - always broken:
- af_unix: fix msg_controllen test in scm_pidfd_recv() for
MSG_CMSG_COMPAT
- xsk: fix xsk_build_skb() dereferencing possible ERR_PTR()
- netfilter:
- nft_exthdr: fix non-linear header modification
- xt_u32, xt_sctp: validate user space input
- nftables: exthdr: fix 4-byte stack OOB write
- nfnetlink_osf: avoid OOB read
- one more fix for the garbage collection work from last release
- igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU
- bpf, sockmap: fix preempt_rt splat when using raw_spin_lock_t
- handshake: fix null-deref in handshake_nl_done_doit()
- ip: ignore dst hint for multipath routes to ensure packets are
hashed across the nexthops
- phy: micrel:
- correct bit assignments for cable test errata
- disable EEE according to the KSZ9477 errata
Misc:
- docs/bpf: document compile-once-run-everywhere (CO-RE) relocations
- Revert "net: macsec: preserve ingress frame ordering", it appears
to have been developed against an older kernel, problem doesn't
exist upstream"
* tag 'net-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (95 commits)
net: enetc: distinguish error from valid pointers in enetc_fixup_clear_rss_rfs()
Revert "net: team: do not use dynamic lockdep key"
net: hns3: remove GSO partial feature bit
net: hns3: fix the port information display when sfp is absent
net: hns3: fix invalid mutex between tc qdisc and dcb ets command issue
net: hns3: fix debugfs concurrency issue between kfree buffer and read
net: hns3: fix byte order conversion issue in hclge_dbg_fd_tcam_read()
net: hns3: Support query tx timeout threshold by debugfs
net: hns3: fix tx timeout issue
net: phy: Provide Module 4 KSZ9477 errata (DS80000754C)
netfilter: nf_tables: Unbreak audit log reset
netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
netfilter: nf_tables: uapi: Describe NFTA_RULE_CHAIN_ID
netfilter: nfnetlink_osf: avoid OOB read
netfilter: nftables: exthdr: fix 4-byte stack OOB write
selftests/bpf: Check bpf_sk_storage has uncharged sk_omem_alloc
bpf: bpf_sk_storage: Fix the missing uncharge in sk_omem_alloc
bpf: bpf_sk_storage: Fix invalid wait context lockdep report
s390/bpf: Pass through tail call counter in trampolines
...
* Clean up vCPU targets, always returning generic v8 as the preferred target
* Trap forwarding infrastructure for nested virtualization (used for traps
that are taken from an L2 guest and are needed by the L1 hypervisor)
* FEAT_TLBIRANGE support to only invalidate specific ranges of addresses
when collapsing a table PTE to a block PTE. This avoids that the guest
refills the TLBs again for addresses that aren't covered by the table PTE.
* Fix vPMU issues related to handling of PMUver.
* Don't unnecessary align non-stack allocations in the EL2 VA space
* Drop HCR_VIRT_EXCP_MASK, which was never used...
* Don't use smp_processor_id() in kvm_arch_vcpu_load(),
but the cpu parameter instead
* Drop redundant call to kvm_set_pfn_accessed() in user_mem_abort()
* Remove prototypes without implementations
RISC-V:
* Zba, Zbs, Zicntr, Zicsr, Zifencei, and Zihpm support for guest
* Added ONE_REG interface for SATP mode
* Added ONE_REG interface to enable/disable multiple ISA extensions
* Improved error codes returned by ONE_REG interfaces
* Added KVM_GET_REG_LIST ioctl() implementation for KVM RISC-V
* Added get-reg-list selftest for KVM RISC-V
s390:
* PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch)
Allows a PV guest to use crypto cards. Card access is governed by
the firmware and once a crypto queue is "bound" to a PV VM every
other entity (PV or not) looses access until it is not bound
anymore. Enablement is done via flags when creating the PV VM.
* Guest debug fixes (Ilya)
x86:
* Clean up KVM's handling of Intel architectural events
* Intel bugfixes
* Add support for SEV-ES DebugSwap, allowing SEV-ES guests to use debug
registers and generate/handle #DBs
* Clean up LBR virtualization code
* Fix a bug where KVM fails to set the target pCPU during an IRTE update
* Fix fatal bugs in SEV-ES intrahost migration
* Fix a bug where the recent (architecturally correct) change to reinject
#BP and skip INT3 broke SEV guests (can't decode INT3 to skip it)
* Retry APIC map recalculation if a vCPU is added/enabled
* Overhaul emergency reboot code to bring SVM up to par with VMX, tie the
"emergency disabling" behavior to KVM actually being loaded, and move all of
the logic within KVM
* Fix user triggerable WARNs in SVM where KVM incorrectly assumes the TSC
ratio MSR cannot diverge from the default when TSC scaling is disabled
up related code
* Add a framework to allow "caching" feature flags so that KVM can check if
the guest can use a feature without needing to search guest CPUID
* Rip out the ancient MMU_DEBUG crud and replace the useful bits with
CONFIG_KVM_PROVE_MMU
* Fix KVM's handling of !visible guest roots to avoid premature triple fault
injection
* Overhaul KVM's page-track APIs, and KVMGT's usage, to reduce the API surface
that is needed by external users (currently only KVMGT), and fix a variety
of issues in the process
This last item had a silly one-character bug in the topic branch that
was sent to me. Because it caused pretty bad selftest failures in
some configurations, I decided to squash in the fix. So, while the
exact commit ids haven't been in linux-next, the code has (from the
kvm-x86 tree).
Generic:
* Wrap kvm_{gfn,hva}_range.pte in a union to allow mmu_notifier events to pass
action specific data without needing to constantly update the main handlers.
* Drop unused function declarations
Selftests:
* Add testcases to x86's sync_regs_test for detecting KVM TOCTOU bugs
* Add support for printf() in guest code and covert all guest asserts to use
printf-based reporting
* Clean up the PMU event filter test and add new testcases
* Include x86 selftests in the KVM x86 MAINTAINERS entry
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmT1m0kUHHBib256aW5p
QHJlZGhhdC5jb20ACgkQv/vSX3jHroMNgggAiN7nz6UC423FznuI+yO3TLm8tkx1
CpKh5onqQogVtchH+vrngi97cfOzZb1/AtifY90OWQi31KEWhehkeofcx7G6ERhj
5a9NFADY1xGBsX4exca/VHDxhnzsbDWaWYPXw5vWFWI6erft9Mvy3tp1LwTvOzqM
v8X4aWz+g5bmo/DWJf4Wu32tEU6mnxzkrjKU14JmyqQTBawVmJ3RYvHVJ/Agpw+n
hRtPAy7FU6XTdkmq/uCT+KUHuJEIK0E/l1js47HFAqSzwdW70UDg14GGo1o4ETxu
RjZQmVNvL57yVgi6QU38/A0FWIsWQm5IlaX1Ug6x8pjZPnUKNbo9BY4T1g==
=W+4p
-----END PGP SIGNATURE-----
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- Clean up vCPU targets, always returning generic v8 as the preferred
target
- Trap forwarding infrastructure for nested virtualization (used for
traps that are taken from an L2 guest and are needed by the L1
hypervisor)
- FEAT_TLBIRANGE support to only invalidate specific ranges of
addresses when collapsing a table PTE to a block PTE. This avoids
that the guest refills the TLBs again for addresses that aren't
covered by the table PTE.
- Fix vPMU issues related to handling of PMUver.
- Don't unnecessary align non-stack allocations in the EL2 VA space
- Drop HCR_VIRT_EXCP_MASK, which was never used...
- Don't use smp_processor_id() in kvm_arch_vcpu_load(), but the cpu
parameter instead
- Drop redundant call to kvm_set_pfn_accessed() in user_mem_abort()
- Remove prototypes without implementations
RISC-V:
- Zba, Zbs, Zicntr, Zicsr, Zifencei, and Zihpm support for guest
- Added ONE_REG interface for SATP mode
- Added ONE_REG interface to enable/disable multiple ISA extensions
- Improved error codes returned by ONE_REG interfaces
- Added KVM_GET_REG_LIST ioctl() implementation for KVM RISC-V
- Added get-reg-list selftest for KVM RISC-V
s390:
- PV crypto passthrough enablement (Tony, Steffen, Viktor, Janosch)
Allows a PV guest to use crypto cards. Card access is governed by
the firmware and once a crypto queue is "bound" to a PV VM every
other entity (PV or not) looses access until it is not bound
anymore. Enablement is done via flags when creating the PV VM.
- Guest debug fixes (Ilya)
x86:
- Clean up KVM's handling of Intel architectural events
- Intel bugfixes
- Add support for SEV-ES DebugSwap, allowing SEV-ES guests to use
debug registers and generate/handle #DBs
- Clean up LBR virtualization code
- Fix a bug where KVM fails to set the target pCPU during an IRTE
update
- Fix fatal bugs in SEV-ES intrahost migration
- Fix a bug where the recent (architecturally correct) change to
reinject #BP and skip INT3 broke SEV guests (can't decode INT3 to
skip it)
- Retry APIC map recalculation if a vCPU is added/enabled
- Overhaul emergency reboot code to bring SVM up to par with VMX, tie
the "emergency disabling" behavior to KVM actually being loaded,
and move all of the logic within KVM
- Fix user triggerable WARNs in SVM where KVM incorrectly assumes the
TSC ratio MSR cannot diverge from the default when TSC scaling is
disabled up related code
- Add a framework to allow "caching" feature flags so that KVM can
check if the guest can use a feature without needing to search
guest CPUID
- Rip out the ancient MMU_DEBUG crud and replace the useful bits with
CONFIG_KVM_PROVE_MMU
- Fix KVM's handling of !visible guest roots to avoid premature
triple fault injection
- Overhaul KVM's page-track APIs, and KVMGT's usage, to reduce the
API surface that is needed by external users (currently only
KVMGT), and fix a variety of issues in the process
Generic:
- Wrap kvm_{gfn,hva}_range.pte in a union to allow mmu_notifier
events to pass action specific data without needing to constantly
update the main handlers.
- Drop unused function declarations
Selftests:
- Add testcases to x86's sync_regs_test for detecting KVM TOCTOU bugs
- Add support for printf() in guest code and covert all guest asserts
to use printf-based reporting
- Clean up the PMU event filter test and add new testcases
- Include x86 selftests in the KVM x86 MAINTAINERS entry"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (279 commits)
KVM: x86/mmu: Include mmu.h in spte.h
KVM: x86/mmu: Use dummy root, backed by zero page, for !visible guest roots
KVM: x86/mmu: Disallow guest from using !visible slots for page tables
KVM: x86/mmu: Harden TDP MMU iteration against root w/o shadow page
KVM: x86/mmu: Harden new PGD against roots without shadow pages
KVM: x86/mmu: Add helper to convert root hpa to shadow page
drm/i915/gvt: Drop final dependencies on KVM internal details
KVM: x86/mmu: Handle KVM bookkeeping in page-track APIs, not callers
KVM: x86/mmu: Drop @slot param from exported/external page-track APIs
KVM: x86/mmu: Bug the VM if write-tracking is used but not enabled
KVM: x86/mmu: Assert that correct locks are held for page write-tracking
KVM: x86/mmu: Rename page-track APIs to reflect the new reality
KVM: x86/mmu: Drop infrastructure for multiple page-track modes
KVM: x86/mmu: Use page-track notifiers iff there are external users
KVM: x86/mmu: Move KVM-only page-track declarations to internal header
KVM: x86: Remove the unused page-track hook track_flush_slot()
drm/i915/gvt: switch from ->track_flush_slot() to ->track_remove_region()
KVM: x86: Add a new page-track hook to handle memslot deletion
drm/i915/gvt: Don't bother removing write-protection on to-be-deleted slot
KVM: x86: Reject memslot MOVE operations if KVMGT is attached
...
Function instance_set() expects to enable event 'sched_switch', so we
should set 1 to its 'enable' file.
Testcase passed after this patch:
# ./ftracetest test.d/instances/instance-event.tc
=== Ftrace unit tests ===
[1] Test creation and deletion of trace instances while setting an event
[PASS]
# of passed: 1
# of failed: 0
# of unresolved: 0
# of untested: 0
# of unsupported: 0
# of xfailed: 0
# of undefined(test bug): 0
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Commit 97d5f2e9ee ("tools api fs: More thread safety for global
filesystem variables") introduces pthread_once, so the libpthread
should be added at link time, or we'll meet the following compile
error when 'make -C tools/mm':
gcc -Wall -Wextra -I../lib/ -o page-types page-types.c ../lib/api/libapi.a
~/linux/tools/lib/api/fs/fs.c:146: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:147: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:148: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:149: undefined reference to `pthread_once'
~/linux/tools/lib/api/fs/fs.c:150: undefined reference to `pthread_once'
/usr/bin/ld: ../lib/api/libapi.a(libapi-in.o):~/linux/tools/lib/api/fs/fs.c:151:
more undefined references to `pthread_once' follow
collect2: error: ld returned 1 exit status
make: *** [Makefile:22: page-types] Error 1
Link: https://lkml.kernel.org/r/20230831034205.2376653-1-xiexiuqi@huaweicloud.com
Fixes: 97d5f2e9ee ("tools api fs: More thread safety for global filesystem variables")
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Inadvertently deleted in commit 30f4ade33d ("perf tools: Revert
enable indices setting syntax for BPF map").
Fixes: 30f4ade33d ("perf tools: Revert enable indices setting syntax for BPF map")
Reported-by: James Clark <james.clark@arm.com>
Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20230905033805.3094293-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- Add Georgian translation to Makefile LANGUAGES in cpupower (Shuah
Khan).
- Add support for per-policy performance boost to cpufreq (Jie Zhan).
- Fix assorted issues in the cpufreq core, common governor code and in
the pcc cpufreq driver (Liao Chang).
-----BEGIN PGP SIGNATURE-----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=2mPX
-----END PGP SIGNATURE-----
Merge tag 'pm-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix cpufreq core and the pcc cpufreq driver, add per-policy
boost support to cpufreq and add Georgian translation Makefile
LANGUAGES in cpupower.
Specifics:
- Add Georgian translation to Makefile LANGUAGES in cpupower (Shuah
Khan).
- Add support for per-policy performance boost to cpufreq (Jie Zhan).
- Fix assorted issues in the cpufreq core, common governor code and
in the pcc cpufreq driver (Liao Chang)"
* tag 'pm-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Support per-policy performance boost
cpufreq: pcc: Fix the potentinal scheduling delays in target_index()
cpufreq: governor: Free dbs_data directly when gov->init() fails
cpufreq: Fix the race condition while updating the transition_task of policy
cpufreq: Avoid printing kernel addresses in cpufreq_resume()
cpupower: Add Georgian translation to Makefile LANGUAGES
- kprobes: use struct_size() for variable size kretprobe_instance
data structure.
- eprobe: Simplify trace_eprobe list iteration.
- probe events: Data structure field access support on BTF argument.
. Update BTF argument support on the functions in the kernel loadable
modules (only loaded modules are supported).
. Move generic BTF access function (search function prototype and get
function parameters) to a separated file.
. Add a function to search a member of data structure in BTF.
. Support accessing BTF data structure member from probe args by
C-like arrow('->') and dot('.') operators. e.g.
't sched_switch next=next->pid vruntime=next->se.vruntime'
. Support accessing BTF data structure member from $retval. e.g.
'f getname_flags%return +0($retval->name):string'
. Add string type checking if BTF type info is available.
This will reject if user specify ":string" type for non "char
pointer" type.
. Automatically assume the fprobe event as a function return event
if $retval is used.
- selftests/ftrace: Add BTF data field access test cases.
- Documentation: Update fprobe event example with BTF data field.
-----BEGIN PGP SIGNATURE-----
iQFPBAABCgA5FiEEh7BulGwFlgAOi5DV2/sHvwUrPxsFAmTycQkbHG1hc2FtaS5o
aXJhbWF0c3VAZ21haWwuY29tAAoJENv7B78FKz8bqS8H/jeR1JhOzIXOvTw7XCFm
MrSY/SKi8tQfV6lau2UmoYdbYvYjpqL34XLOQPNf2/lrcL2M9aNYXk9fbhlW8enx
vkMyKQ0E5anixkF4vsTbEl9DaprxbpsPVACmZ/7VjQk2JuXIdyaNk8hno9LgIcEq
udztb0o2HmDFqAXfRi0LvlSTAIwvXZ+usmEvYpaq1g2WwrCe7NHEYl42vMpj+h4H
9l4t5rA9JyPPX4yQUjtKGW5eRVTwDTm/Gn6DRzYfYzkkiBZv27qfovzBOt672LgG
hyot+u7XeKvZx3jjnF7+mRWoH/m0dqyhyi/nPhpIE09VhgwclrbGAcDuR1x6sp01
PHY=
=hBDN
-----END PGP SIGNATURE-----
Merge tag 'probes-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull probes updates from Masami Hiramatsu:
- kprobes: use struct_size() for variable size kretprobe_instance data
structure.
- eprobe: Simplify trace_eprobe list iteration.
- probe events: Data structure field access support on BTF argument.
- Update BTF argument support on the functions in the kernel
loadable modules (only loaded modules are supported).
- Move generic BTF access function (search function prototype and
get function parameters) to a separated file.
- Add a function to search a member of data structure in BTF.
- Support accessing BTF data structure member from probe args by
C-like arrow('->') and dot('.') operators. e.g.
't sched_switch next=next->pid vruntime=next->se.vruntime'
- Support accessing BTF data structure member from $retval. e.g.
'f getname_flags%return +0($retval->name):string'
- Add string type checking if BTF type info is available. This will
reject if user specify ":string" type for non "char pointer"
type.
- Automatically assume the fprobe event as a function return event
if $retval is used.
- selftests/ftrace: Add BTF data field access test cases.
- Documentation: Update fprobe event example with BTF data field.
* tag 'probes-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
Documentation: tracing: Update fprobe event example with BTF field
selftests/ftrace: Add BTF fields access testcases
tracing/fprobe-event: Assume fprobe is a return event by $retval
tracing/probes: Add string type check with BTF
tracing/probes: Support BTF field access from $retval
tracing/probes: Support BTF based data structure field access
tracing/probes: Add a function to search a member of a struct/union
tracing/probes: Move finding func-proto API and getting func-param API to trace_btf
tracing/probes: Support BTF argument on module functions
tracing/eprobe: Iterate trace_eprobe directly
kernel: kprobes: Use struct_size()
x86 self-test code.
[ Arguably the existing code was unnecessarily fragile, and
tooling should have picked up the new syscall number,
and a wider fix is being worked on - but meanwhile, let's
not have the old syscall number in the kernel tree. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
-----BEGIN PGP SIGNATURE-----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=W86M
-----END PGP SIGNATURE-----
Merge tag 'x86-urgent-2023-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 selftest fix from Ingo Molnar:
"Fix the __NR_map_shadow_stack syscall-renumbering fallout in the x86
self-test code.
[ Arguably the existing code was unnecessarily fragile, and tooling
should have picked up the new syscall number, and a wider fix is
being worked on - but meanwhile, let's not have the old syscall
number in the kernel tree. ]"
* tag 'x86-urgent-2023-09-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
selftests/x86: Update map_shadow_stack syscall nr
A term may have no value in which case it is assumed to have a value
of 1. It doesn't just apply to alias/event terms so change the
parse_events_term__to_strbuf assert.
Commit 99e7138eb7 ("perf tools: Fail on using multiple bits long
terms without value") made it so that no_value terms could only be for a
single bit. Prior to commit 64199ae4b8 ("perf parse-events: Fix
propagation of term's no_value when cloning") this missed a test case
where config1 had no_value.
Fixes: 64199ae4b8 ("perf parse-events: Fix propagation of term's no_value when cloning")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230901233949.2930562-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
User visible changes:
- Added a way to easier filter with cpumasks:
# echo 'cpumask & CPUS{17-42}' > /sys/kernel/tracing/events/ipi_send_cpumask/filter
- Show actual size of ring buffer after modifying the ring buffer size via
buffer_size_kb. Currently it just returns what was written, but the actual
size rounds up to the sub buffer size. Show that real size instead.
Major changes:
- Added "eventfs". This is the code that handles the inodes and dentries of
tracefs/events directory. As there are thousands of events, and each event
has several inodes and dentries that currently exist even when tracing is
never used, they take up precious memory. Instead, eventfs will allocate
the inodes and dentries in a JIT way (similar to what procfs does). There
is now metadata that handles the events and subdirectories, and will create
the inodes and dentries when they are used.
Note, I also have patches that remove the subdirectory meta data, but will
wait till the next merge window before applying them. It's a little more
complex, and I want to make sure the dynamic code works properly before
adding more complexity, making it easier to revert if need be.
Minor changes:
- Optimization to user event list traversal.
- Remove intermediate permission of tracefs files (note the intermediate
permission removes all access to the files so it is not a security concern,
but just a clean up.)
- Add the complex fix to FORTIFY_SOURCE to the kernel stack event logic.
- Other minor clean ups.
-----BEGIN PGP SIGNATURE-----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=/s+e
-----END PGP SIGNATURE-----
Merge tag 'trace-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing updates from Steven Rostedt:
"User visible changes:
- Added a way to easier filter with cpumasks:
# echo 'cpumask & CPUS{17-42}' > /sys/kernel/tracing/events/ipi_send_cpumask/filter
- Show actual size of ring buffer after modifying the ring buffer
size via buffer_size_kb.
Currently it just returns what was written, but the actual size
rounds up to the sub buffer size. Show that real size instead.
Major changes:
- Added "eventfs". This is the code that handles the inodes and
dentries of tracefs/events directory. As there are thousands of
events, and each event has several inodes and dentries that
currently exist even when tracing is never used, they take up
precious memory. Instead, eventfs will allocate the inodes and
dentries in a JIT way (similar to what procfs does). There is now
metadata that handles the events and subdirectories, and will
create the inodes and dentries when they are used.
Note, I also have patches that remove the subdirectory meta data,
but will wait till the next merge window before applying them. It's
a little more complex, and I want to make sure the dynamic code
works properly before adding more complexity, making it easier to
revert if need be.
Minor changes:
- Optimization to user event list traversal
- Remove intermediate permission of tracefs files (note the
intermediate permission removes all access to the files so it is
not a security concern, but just a clean up)
- Add the complex fix to FORTIFY_SOURCE to the kernel stack event
logic
- Other minor cleanups"
* tag 'trace-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: (29 commits)
tracefs: Remove kerneldoc from struct eventfs_file
tracefs: Avoid changing i_mode to a temp value
tracing/user_events: Optimize safe list traversals
ftrace: Remove empty declaration ftrace_enable_daemon() and ftrace_disable_daemon()
tracing: Remove unused function declarations
tracing/filters: Document cpumask filtering
tracing/filters: Further optimise scalar vs cpumask comparison
tracing/filters: Optimise CPU vs cpumask filtering when the user mask is a single CPU
tracing/filters: Optimise scalar vs cpumask filtering when the user mask is a single CPU
tracing/filters: Optimise cpumask vs cpumask filtering when user mask is a single CPU
tracing/filters: Enable filtering the CPU common field by a cpumask
tracing/filters: Enable filtering a scalar field by a cpumask
tracing/filters: Enable filtering a cpumask field by another cpumask
tracing/filters: Dynamically allocate filter_pred.regex
test: ftrace: Fix kprobe test for eventfs
eventfs: Move tracing/events to eventfs
eventfs: Implement removal of meta data from eventfs
eventfs: Implement functions to create files and dirs when accessed
eventfs: Implement eventfs lookup, read, open functions
eventfs: Implement eventfs file add functions
...
* Unbound workqueues now support more flexible affinity scopes. The default
behavior is to soft-affine according to last level cache boundaries. A
work item queued from a given LLC is executed by a worker running on the
same LLC but the worker may be moved across cache boundaries as the
scheduler sees fit. On machines which multiple L3 caches, which are
becoming more popular along with chiplet designs, this improves cache
locality while not harming work conservation too much.
Unbound workqueues are now also a lot more flexible in terms of execution
affinity. Differeing levels of affinity scopes are supported and both the
default and per-workqueue affinity settings can be modified dynamically.
This should help working around amny of sub-optimal behaviors observed
recently with asymmetric ARM CPUs.
This involved signficant restructuring of workqueue code. Nothing was
reported yet but there's some risk of subtle regressions. Should keep an
eye out.
* Rescuer workers now has more identifiable comms.
* workqueue.unbound_cpus added so that CPUs which can be used by workqueue
can be constrained early during boot.
* Now that all the in-tree users have been flushed out, trigger warning if
system-wide workqueues are flushed.
* One pull commit from for-6.5-fixes to avoid cascading conflicts in the
affinity scope patchset.
-----BEGIN PGP SIGNATURE-----
iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZPERlQ4cdGpAa2VybmVs
Lm9yZwAKCRCxYfJx3gVYGVqQAPwIOy9tWY5jFAmMuIyH6wV50hbmfxCc2n5xhQNr
5HoyGgEA8lw1W7afDCIPiQVA7AYsu8dhwuNSOcRCJxhrrn4XsA0=
=g/Uu
-----END PGP SIGNATURE-----
Merge tag 'wq-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue updates from Tejun Heo:
- Unbound workqueues now support more flexible affinity scopes.
The default behavior is to soft-affine according to last level cache
boundaries. A work item queued from a given LLC is executed by a
worker running on the same LLC but the worker may be moved across
cache boundaries as the scheduler sees fit. On machines which
multiple L3 caches, which are becoming more popular along with
chiplet designs, this improves cache locality while not harming work
conservation too much.
Unbound workqueues are now also a lot more flexible in terms of
execution affinity. Differeing levels of affinity scopes are
supported and both the default and per-workqueue affinity settings
can be modified dynamically. This should help working around amny of
sub-optimal behaviors observed recently with asymmetric ARM CPUs.
This involved signficant restructuring of workqueue code. Nothing was
reported yet but there's some risk of subtle regressions. Should keep
an eye out.
- Rescuer workers now has more identifiable comms.
- workqueue.unbound_cpus added so that CPUs which can be used by
workqueue can be constrained early during boot.
- Now that all the in-tree users have been flushed out, trigger warning
if system-wide workqueues are flushed.
* tag 'wq-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: (31 commits)
workqueue: fix data race with the pwq->stats[] increment
workqueue: Rename rescuer kworker
workqueue: Make default affinity_scope dynamically updatable
workqueue: Add "Affinity Scopes and Performance" section to documentation
workqueue: Implement non-strict affinity scope for unbound workqueues
workqueue: Add workqueue_attrs->__pod_cpumask
workqueue: Factor out need_more_worker() check and worker wake-up
workqueue: Factor out work to worker assignment and collision handling
workqueue: Add multiple affinity scopes and interface to select them
workqueue: Modularize wq_pod_type initialization
workqueue: Add tools/workqueue/wq_dump.py which prints out workqueue configuration
workqueue: Generalize unbound CPU pods
workqueue: Factor out clearing of workqueue-only attrs fields
workqueue: Factor out actual cpumask calculation to reduce subtlety in wq_update_pod()
workqueue: Initialize unbound CPU pods later in the boot
workqueue: Move wq_pod_init() below workqueue_init()
workqueue: Rename NUMA related names to use pod instead
workqueue: Rename workqueue_attrs->no_numa to ->ordered
workqueue: Make unbound workqueues to use per-cpu pool_workqueues
workqueue: Call wq_update_unbound_numa() on all CPUs in NUMA node on CPU hotplug
...
* Per-cpu cpu usage stats are now tracked. This currently isn't printed out
in the cgroupfs interface and can only be accessed through e.g. BPF.
Should decide on a not-too-ugly way to show per-cpu stats in cgroupfs.
* cpuset received some cleanups and prepatory patches for the pending
cpus.exclusive patchset which will allow cpuset partitions to be created
below non-partition parents, which should ease the management of partition
cpusets.
* A lot of code and documentation cleanup patches.
* tools/testing/selftests/cgroup/test_cpuset.c is added. This causes trivial
conflicts in .gitignore and Makefile under the directory against
fe3b1bf19b ("selftests: cgroup: add test_zswap program"). They can be
resolved by keeping lines from both branches.
-----BEGIN PGP SIGNATURE-----
iIQEABYIACwWIQTfIjM1kS57o3GsC/uxYfJx3gVYGQUCZPENTg4cdGpAa2VybmVs
Lm9yZwAKCRCxYfJx3gVYGcyBAP44cHwpSFxXe3cehxAzb1l/2BZXtzU5l48OqUQd
MwHyrwEAm7+MTVAR2xOF4f+oVM9KWmKj7oV7Clpixl1S7hHyjwE=
=FCc9
-----END PGP SIGNATURE-----
Merge tag 'cgroup-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup updates from Tejun Heo:
- Per-cpu cpu usage stats are now tracked
This currently isn't printed out in the cgroupfs interface and can
only be accessed through e.g. BPF. Should decide on a not-too-ugly
way to show per-cpu stats in cgroupfs
- cpuset received some cleanups and prepatory patches for the pending
cpus.exclusive patchset which will allow cpuset partitions to be
created below non-partition parents, which should ease the management
of partition cpusets
- A lot of code and documentation cleanup patches
- tools/testing/selftests/cgroup/test_cpuset.c added
* tag 'cgroup-for-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: (32 commits)
cgroup: Avoid -Wstringop-overflow warnings
cgroup:namespace: Remove unused cgroup_namespaces_init()
cgroup/rstat: Record the cumulative per-cpu time of cgroup and its descendants
cgroup: clean up if condition in cgroup_pidlist_start()
cgroup: fix obsolete function name in cgroup_destroy_locked()
Documentation: cgroup-v2.rst: Correct number of stats entries
cgroup: fix obsolete function name above css_free_rwork_fn()
cgroup/cpuset: fix kernel-doc
cgroup: clean up printk()
cgroup: fix obsolete comment above cgroup_create()
docs: cgroup-v1: fix typo
docs: cgroup-v1: correct the term of Page Cache organization in inode
cgroup/misc: Store atomic64_t reads to u64
cgroup/misc: Change counters to be explicit 64bit types
cgroup/misc: update struct members descriptions
cgroup: remove cgrp->kn check in css_populate_dir()
cgroup: fix obsolete function name
cgroup: use cached local variable parent in for loop
cgroup: remove obsolete comment above struct cgroupstats
cgroup: put cgroup_tryget_css() inside CONFIG_CGROUP_SCHED
...
Shadow stack's selftest utilizes the map_shadow_stack syscall. The
syscall is new with the feature, but the selftests cannot automatically
find the headers for the kernel source tree they are located in. This
resulted in the shadow stack test failing to build until the brand new
headers were installed.
To avoid this, a copy of the new uapi defines needed by the test were
included in the selftest (see link for discussion). When shadow stack was
merged the syscall number was changed, but the copy in the selftest was
not updated.
So update the copy of the syscall number define used when the required
headers are not installed, to have the final syscall number from the
merge.
Signed-off-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/lkml/Y%2FijdXoTAATt0+Ct@zn.tnic/
Link: https://lore.kernel.org/r/20230901181652.2583861-1-rick.p.edgecombe@intel.com
Reviewed-by: Sohil Mehta <sohil.mehta@intel.com>
Fixes: df57721f9a ("Merge tag 'x86_shstk_for_6.6-rc1' of [...]")
Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-----BEGIN PGP SIGNATURE-----
iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCZPH64g8cZ3JlZ0Brcm9h
aC5jb20ACgkQMUfUDdst+ynr2QCfd3RKeR+WnGzyEOFhksl30UJJhiIAoNZtYT5+
t9KG0iMDXRuTsOqeEQbd
=tVnk
-----END PGP SIGNATURE-----
Merge tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver updates from Greg KH:
"Here is the big set of char/misc and other small driver subsystem
changes for 6.6-rc1.
Stuff all over the place here, lots of driver updates and changes and
new additions. Short summary is:
- new IIO drivers and updates
- Interconnect driver updates
- fpga driver updates and additions
- fsi driver updates
- mei driver updates
- coresight driver updates
- nvmem driver updates
- counter driver updates
- lots of smaller misc and char driver updates and additions
All of these have been in linux-next for a long time with no reported
problems"
* tag 'char-misc-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (267 commits)
nvmem: core: Notify when a new layout is registered
nvmem: core: Do not open-code existing functions
nvmem: core: Return NULL when no nvmem layout is found
nvmem: core: Create all cells before adding the nvmem device
nvmem: u-boot-env:: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
nvmem: sec-qfprom: Add Qualcomm secure QFPROM support
dt-bindings: nvmem: sec-qfprom: Add bindings for secure qfprom
dt-bindings: nvmem: Add compatible for QCM2290
nvmem: Kconfig: Fix typo "drive" -> "driver"
nvmem: Explicitly include correct DT includes
nvmem: add new NXP QorIQ eFuse driver
dt-bindings: nvmem: Add t1023-sfp efuse support
dt-bindings: nvmem: qfprom: Add compatible for MSM8226
nvmem: uniphier: Use devm_platform_get_and_ioremap_resource()
nvmem: qfprom: do some cleanup
nvmem: stm32-romem: Use devm_platform_get_and_ioremap_resource()
nvmem: rockchip-efuse: Use devm_platform_get_and_ioremap_resource()
nvmem: meson-mx-efuse: Convert to devm_platform_ioremap_resource()
nvmem: lpc18xx_otp: Convert to devm_platform_ioremap_resource()
nvmem: brcm_nvram: Use devm_platform_get_and_ioremap_resource()
...
Highlights:
- hp-bioscfg: New firmware-attributes driver for changing BIOS settings
from within Linux
- asus-wmi: Add charger mode, middle fan and eGPU settings support
- ideapad: Support keyboard backlight control on more models
- mellanox: Support for new models
- sel-3350: New LED and power-supply driver for this industrial mainboard
- simatic-ipc: Add RTC battery monitor and various new models support
- Miscellaneous other cleanups / fixes
The following is an automated git shortlog grouped by driver:
Add SEL-3350 platform driver:
- Add SEL-3350 platform driver
Documentation/ABI:
- Add new attribute for mlxreg-io sysfs interfaces
MAINTAINERS:
- Add entries for Siemens IPC modules
Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next:
- Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next
Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans:
- Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans
Merge tag 'ib-pdx86-simatic-v6.6' into review-hans:
- Merge tag 'ib-pdx86-simatic-v6.6' into review-hans
Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans:
- Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans
Move all simatic ipc drivers to the subdirectory siemens:
- Move all simatic ipc drivers to the subdirectory siemens
asus-wmi:
- corrections to egpu safety check
- Fix support for showing middle fan RPM
- expose dGPU and CPU tunables for ROG
- support setting mini-LED mode
- add safety checks to gpu switching
- don't allow eGPU switching if eGPU not connected
- add WMI method to show if egpu connected
- support middle fan custom curves
- add support for showing middle fan RPM
- add support for showing charger mode
dell-sysman:
- Fix reference leak
doc:
- TPMI: Add debugfs documentation
hp-bioscfg:
- Update steps order list elements are evaluated
- Use kmemdup() to replace kmalloc + memcpy
- Remove duplicate use of variable in inner loop
- Change how password encoding size is evaluated
- Change how enum possible values size is evaluated
- Change how order list size is evaluated
- Change how prerequisites size is evaluated
- Replace the word HACK from source code
- Fix uninitialized variable errors
- Fix memory leaks in attribute packages
- fix error reporting in hp_add_other_attributes()
- prevent a small buffer overflow
- fix a signedness bug in hp_wmi_perform_query()
- MAINTAINERS
- Makefile
- surestart-attributes
- string-attributes
- spmobj-attributes
- passwdobj-attributes
- order-list-attributes
- int-attributes
- enum-attributes
- biosattr-interface
- bioscfg
- bioscfg-h
- Documentation
ideapad-laptop:
- Add support for keyboard backlights using KBLC ACPI symbol
leds:
- simatic-ipc-leds: default config switch to platform switch
mlx-platform:
- Add dependency on PCI to Kconfig
mlxbf-bootctl:
- Support sysfs entries for MFG fields
- Support setting the ARM boot state to "OS up"
- Support the large icmc write/read
p2sb:
- Make the Kconfig symbol hidden
platform:
- mellanox: nvsw-sn2201: change fans i2c busses.
- mellanox: mlxreg-hotplug: Extend condition for notification callback processing
- mellanox: Add initial support for PCIe based programming logic device
- mellanox: mlx-platform: Get interrupt line through ACPI
- mellanox: mlx-platform: Introduce ACPI init flow
- mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
- mellanox: mlx-platform: Add reset callback
- mellanox: Cosmetic changes
- mellanox: mlx-platform: Modify power off callback
- mellanox: mlx-platform: add support for additional CPLD
- mellanox: mlx-platform: Add reset cause attribute
- mellanox: mlx-platform: Modify health and power hotplug action
- mellanox: Modify reset causes description
- mellanox: Add field upgrade capability register
- mellanox: Add new attributes
- Explicitly include correct DT includes
platform/x86/amd/pmc:
- Fix build error with randconfig
- Move PMC driver to separate directory
platform/x86/amd/pmf:
- Fix a missing cleanup path
- Use str_on_off() helper
platform/x86/intel/tpmi:
- Add debugfs interface
- Read feature control status
platform/x86/siemens:
- simatic-ipc-batt: fix logical error for BX-59A
- simatic-ipc: fix logical error for BX-59A
- simatic-ipc-batt: fix wrong pointer pass to PTR_ERR()
- simatic-ipc-batt: add support for module BX-59A
- simatic-ipc: add new models BX-56A/BX-59A
- Kconfig: adjust help text
- simatic-ipc-batt: fix bat reading in BX_21A
simatic-ipc:
- use extra module loading for watchdog
- add auto-loading of hwmon modules
- add another model
- drop PCI runtime depends and header
- add CMOS battery monitoring
- add another model BX-21A
system76:
- Handle new KBLED ACPI methods
thinkpad_acpi:
- Switch to memdup_user_nul() helper
- use lockdep annotations
- take mutex for hotkey_mask_{set,get}
tools/power/x86/intel-speed-select:
- v1.17 release
- Change mem-frequency display name
- Prevent CPU 0 offline
- Error on CPU count exceed in request
- Support more than 8 sockets.
- Fix CPU count display
watchdog:
- simatic: Use idiomatic selection of P2SB
- simatic: add PCI dependency
- make Siemens Simatic watchdog driver default on platform
- simatic-ipc-wdt: make IO region access of one model muxed
wmi-bmof:
- Update MAINTAINERS entry
- Simplify read_bmof()
- Use device_create_bin_file()
-----BEGIN PGP SIGNATURE-----
iQFIBAABCAAyFiEEuvA7XScYQRpenhd+kuxHeUQDJ9wFAmTx720UHGhkZWdvZWRl
QHJlZGhhdC5jb20ACgkQkuxHeUQDJ9wHYggAgPpl4tcbqUK7S/fwVP2SzBKI+eF3
5PjO7PlMEVzyKyjHdkqoV8miMffWAGVPE+LV33Uifs5WTFjHRq2fq/Esvj9mAstG
1fCoHJ442xYkwNCUT1CCP7VsmcvV5eFXBjBantvwmIs8TyknGHwtq1h+d95evp4n
2uyQlRMmrWh/+8fjD8x5V35T0tky+4a4EX2WNLul13LlHCybGT/F2Kq456WdthjJ
zTQSL+qAMWmAiQKSEmhI3bRnFYPdpTetjiNSTlQczch8Y4qV3mJQlnkyDPX7SM9w
M2uZ4W39Ptxihx0ks/MIcuA4yrTfUX8BnhMTD29ZYCKHS7xBqW8YC5HQug==
=GaQL
-----END PGP SIGNATURE-----
Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- hp-bioscfg: New firmware-attributes driver for changing BIOS settings
from within Linux
- asus-wmi: Add charger mode, middle fan and eGPU settings support
- ideapad: Support keyboard backlight control on more models
- mellanox: Support for new models
- sel-3350: New LED and power-supply driver for this industrial
mainboard
- simatic-ipc: Add RTC battery monitor and various new models support
- miscellaneous other cleanups / fixes
* tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (101 commits)
platform/x86: asus-wmi: corrections to egpu safety check
platform/x86: mlx-platform: Add dependency on PCI to Kconfig
platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol
platform/x86/amd/pmc: Fix build error with randconfig
platform/x86/amd/pmf: Fix a missing cleanup path
watchdog: simatic: Use idiomatic selection of P2SB
platform/x86: p2sb: Make the Kconfig symbol hidden
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform: mellanox: nvsw-sn2201: change fans i2c busses.
platform: mellanox: mlxreg-hotplug: Extend condition for notification callback processing
platform: mellanox: Add initial support for PCIe based programming logic device
platform: mellanox: mlx-platform: Get interrupt line through ACPI
platform: mellanox: mlx-platform: Introduce ACPI init flow
platform: mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
platform: mellanox: mlx-platform: Add reset callback
platform: mellanox: Cosmetic changes
platform: mellanox: mlx-platform: Modify power off callback
platform: mellanox: mlx-platform: add support for additional CPLD
platform: mellanox: mlx-platform: Add reset cause attribute
platform: mellanox: mlx-platform: Modify health and power hotplug action
...
* Support for the new "riscv,isa-extensions" and "riscv,isa-base" device
tree interfaces for probing extensions.
* Support for userspace access to the performance counters.
* Support for more instructions in kprobes.
* Crash kernels can be allocated above 4GiB.
* Support for KCFI.
* Support for ELFs in !MMU configurations.
* ARCH_KMALLOC_MINALIGN has been reduced to 8.
* mmap() defaults to sv48-sized addresses, with longer addresses hidden
behind a hint (similar to Arm and Intel).
* Also various fixes and cleanups.
-----BEGIN PGP SIGNATURE-----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=/tXb
-----END PGP SIGNATURE-----
Merge tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- Support for the new "riscv,isa-extensions" and "riscv,isa-base"
device tree interfaces for probing extensions
- Support for userspace access to the performance counters
- Support for more instructions in kprobes
- Crash kernels can be allocated above 4GiB
- Support for KCFI
- Support for ELFs in !MMU configurations
- ARCH_KMALLOC_MINALIGN has been reduced to 8
- mmap() defaults to sv48-sized addresses, with longer addresses hidden
behind a hint (similar to Arm and Intel)
- Also various fixes and cleanups
* tag 'riscv-for-linus-6.6-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (51 commits)
lib/Kconfig.debug: Restrict DEBUG_INFO_SPLIT for RISC-V
riscv: support PREEMPT_DYNAMIC with static keys
riscv: Move create_tmp_mapping() to init sections
riscv: Mark KASAN tmp* page tables variables as static
riscv: mm: use bitmap_zero() API
riscv: enable DEBUG_FORCE_FUNCTION_ALIGN_64B
riscv: remove redundant mv instructions
RISC-V: mm: Document mmap changes
RISC-V: mm: Update pgtable comment documentation
RISC-V: mm: Add tests for RISC-V mm
RISC-V: mm: Restrict address space for sv39,sv48,sv57
riscv: enable DMA_BOUNCE_UNALIGNED_KMALLOC for !dma_coherent
riscv: allow kmalloc() caches aligned to the smallest value
riscv: support the elf-fdpic binfmt loader
binfmt_elf_fdpic: support 64-bit systems
riscv: Allow CONFIG_CFI_CLANG to be selected
riscv/purgatory: Disable CFI
riscv: Add CFI error handling
riscv: Add ftrace_stub_graph
riscv: Add types to indirectly called assembly functions
...
While commit 90f0074cd9 ("selftests/bpf: fix a CI failure caused by vsock sockmap test")
fixes a receive failure of vsock sockmap test, there is still a write failure:
Error: #211/79 sockmap_listen/sockmap VSOCK test_vsock_redir
Error: #211/79 sockmap_listen/sockmap VSOCK test_vsock_redir
./test_progs:vsock_unix_redir_connectible:1501: egress: write: Transport endpoint is not connected
vsock_unix_redir_connectible:FAIL:1501
./test_progs:vsock_unix_redir_connectible:1501: ingress: write: Transport endpoint is not connected
vsock_unix_redir_connectible:FAIL:1501
./test_progs:vsock_unix_redir_connectible:1501: egress: write: Transport endpoint is not connected
vsock_unix_redir_connectible:FAIL:1501
The reason is that the vsock connection in the test is set to ESTABLISHED state
by function virtio_transport_recv_pkt, which is executed in a workqueue thread,
so when the user space test thread runs before the workqueue thread, this
problem occurs.
To fix it, before writing the connection, wait for it to be connected.
Fixes: d61bd8c1fd ("selftests/bpf: add a test case for vsock sockmap")
Signed-off-by: Xu Kuohai <xukuohai@huawei.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20230901031037.3314007-1-xukuohai@huaweicloud.com
The test uses perf stat to count the number of fib:fib_table_lookup
tracepoint hits for IPv4 and the number of fib6:fib6_table_lookup for
IPv6. The measured count is checked to be within 5% of the total number
of packets sent via veth1.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: David S. Miller <davem@davemloft.net>
Song Liu