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git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull cxl fixes from Dan Williams:
"Several fixes for CXL region creation crashes, leaks and failures.
This is mainly fallout from the original implementation of dynamic CXL
region creation (instantiate new physical memory pools) that arrived
in v6.0-rc1.
Given the theme of "failures in the presence of pass-through decoders"
this also includes new regression test infrastructure for that case.
Summary:
- Fix region creation crash with pass-through decoders
- Fix region creation crash when no decoder allocation fails
- Fix region creation crash when scanning regions to enforce the
increasing physical address order constraint that CXL mandates
- Fix a memory leak for cxl_pmem_region objects, track 1:N instead of
1:1 memory-device-to-region associations.
- Fix a memory leak for cxl_region objects when regions with active
targets are deleted
- Fix assignment of NUMA nodes to CXL regions by CFMWS (CXL Window)
emulated proximity domains.
- Fix region creation failure for switch attached devices downstream
of a single-port host-bridge
- Fix false positive memory leak of cxl_region objects by recycling
recently used region ids rather than freeing them
- Add regression test infrastructure for a pass-through decoder
configuration
- Fix some mailbox payload handling corner cases"
* tag 'cxl-fixes-for-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/region: Recycle region ids
cxl/region: Fix 'distance' calculation with passthrough ports
tools/testing/cxl: Add a single-port host-bridge regression config
tools/testing/cxl: Fix some error exits
cxl/pmem: Fix cxl_pmem_region and cxl_memdev leak
cxl/region: Fix cxl_region leak, cleanup targets at region delete
cxl/region: Fix region HPA ordering validation
cxl/pmem: Use size_add() against integer overflow
cxl/region: Fix decoder allocation crash
ACPI: NUMA: Add CXL CFMWS 'nodes' to the possible nodes set
cxl/pmem: Fix failure to account for 8 byte header for writes to the device LSA.
cxl/region: Fix null pointer dereference due to pass through decoder commit
cxl/mbox: Add a check on input payload size
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Jonathan reports that region creation fails when a single-port
host-bridge connects to a multi-port switch. Mock up that configuration
so a fix can be tested and regression tested going forward.
Reported-by: Bobo WL <lmw.bobo@gmail.com>
Reported-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: http://lore.kernel.org/r/20221010172057.00001559@huawei.com
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/166752184838.947915.2167957540894293891.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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Fix a few typos where 'goto err_port' was used rather than the object
specific cleanup.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Link: https://lore.kernel.org/r/166752184255.947915.16163477849330181425.stgit@dwillia2-xfh.jf.intel.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux
Pull landlock fix from Mickaël Salaün:
"Fix the test build for some distros"
* tag 'landlock-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
selftests/landlock: Build without static libraries
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The only (forced) static test binary doesn't depend on libcap. Because
using -lcap on systems that don't have such static library would fail
(e.g. on Arch Linux), let's be more specific and require only dynamic
libcap linking.
Fixes: a52540522c95 ("selftests/landlock: Fix out-of-tree builds")
Cc: Anders Roxell <anders.roxell@linaro.org>
Cc: Guillaume Tucker <guillaume.tucker@collabora.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Cc: stable@vger.kernel.org
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Link: https://lore.kernel.org/r/20221019200536.2771316-1-mic@digikod.net
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"Fixes to the pidfd test"
* tag 'linux-kselftest-fixes-6.1-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/pidfd_test: Remove the erroneous ','
selftests: pidfd: Fix compling warnings
ksefltests: pidfd: Fix wait_states: Test terminated by timeout
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Remove the erroneous ',', otherwise it might result in wrong output
and report:
...
Bail out! (errno %d)
test: Unexpected epoll_wait result (c=4208480, events=2)
...
Fixes: 740378dc7834 ("pidfd: add polling selftests")
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Fix warnings and enable Wall.
pidfd_wait.c: In function ‘wait_nonblock’:
pidfd_wait.c:150:13: warning: unused variable ‘status’ [-Wunused-variable]
150 | int pidfd, status = 0;
| ^~~~~~
...
pidfd_test.c: In function ‘child_poll_exec_test’:
pidfd_test.c:438:1: warning: no return statement in function returning non-void [-Wreturn-type]
438 | }
| ^
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
v2: fix mistake assignment to pidfd
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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0Day/LKP observed that the kselftest blocks forever since one of the
pidfd_wait doesn't terminate in 1 of 30 runs. After digging into
the source, we found that it blocks at:
ASSERT_EQ(sys_waitid(P_PIDFD, pidfd, &info, WCONTINUED, NULL), 0);
wait_states has below testing flow:
CHILD PARENT
---------------+--------------
1 STOP itself
2 WAIT for CHILD STOPPED
3 SIGNAL CHILD to CONT
4 CONT
5 STOP itself
5' WAIT for CHILD CONT
6 WAIT for CHILD STOPPED
The problem is that the kernel cannot ensure the order of 5 and 5', once
5 goes first, the test will fail.
we can reproduce it by:
$ while true; do make run_tests -C pidfd; done
Introduce a blocking read in child process to make sure the parent can
check its WCONTINUED.
CC: Philip Li <philip.li@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu
Pull nolibc fixes from Paul McKenney:
"This contains a couple of fixes for string-function bugs"
* tag 'nolibc-urgent.2022.10.28a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu:
tools/nolibc/string: Fix memcmp() implementation
tools/nolibc: Fix missing strlen() definition and infinite loop with gcc-12
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The C standard says that memcmp() must treat the buffers as consisting
of "unsigned chars". If char happens to be unsigned, the casts are ok,
but then obviously the c1 variable can never contain a negative
value. And when char is signed, the casts are wrong, and there's still
a problem with using an 8-bit quantity to hold the difference, because
that can range from -255 to +255.
For example, assuming char is signed, comparing two 1-byte buffers,
one containing 0x00 and another 0x80, the current implementation would
return -128 for both memcmp(a, b, 1) and memcmp(b, a, 1), whereas one
of those should of course return something positive.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Fixes: 66b6f755ad45 ("rcutorture: Import a copy of nolibc")
Cc: stable@vger.kernel.org # v5.0+
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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When built at -Os, gcc-12 recognizes an strlen() pattern in nolibc_strlen()
and replaces it with a jump to strlen(), which is not defined as a symbol
and breaks compilation. Worse, when the function is called strlen(), the
function is simply replaced with a jump to itself, hence becomes an
infinite loop.
One way to avoid this is to always set -ffreestanding, but the calling
code doesn't know this and there's no way (either via attributes or
pragmas) to globally enable it from include files, effectively leaving
a painful situation for the caller.
Alexey suggested to place an empty asm() statement inside the loop to
stop gcc from recognizing a well-known pattern, which happens to work
pretty fine. At least it allows us to make sure our local definition
is not replaced with a self jump.
The function only needs to be renamed back to strlen() so that the symbol
exists, which implies that nolibc_strlen() which is used on variable
strings has to be declared as a macro that points back to it before the
strlen() macro is redifined.
It was verified to produce valid code with gcc 3.4 to 12.1 at different
optimization levels, and both with constant and variable strings.
In case this problem surfaces again in the future, an alternate approach
consisting in adding an optimize("no-tree-loop-distribute-patterns")
function attribute for gcc>=12 worked as well but is less pretty.
Reported-by: kernel test robot <yujie.liu@intel.com>
Link: https://lore.kernel.org/r/202210081618.754a77db-yujie.liu@intel.com
Fixes: 66b6f755ad45 ("rcutorture: Import a copy of nolibc")
Fixes: 96980b833a21 ("tools/nolibc/string: do not use __builtin_strlen() at -O0")
Cc: "Paul E. McKenney" <paulmck@kernel.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
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Pull kvm fixes from Paolo Bonzini:
"x86:
- fix lock initialization race in gfn-to-pfn cache (+selftests)
- fix two refcounting errors
- emulator fixes
- mask off reserved bits in CPUID
- fix bug with disabling SGX
RISC-V:
- update MAINTAINERS"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86/xen: Fix eventfd error handling in kvm_xen_eventfd_assign()
KVM: x86: smm: number of GPRs in the SMRAM image depends on the image format
KVM: x86: emulator: update the emulation mode after CR0 write
KVM: x86: emulator: update the emulation mode after rsm
KVM: x86: emulator: introduce emulator_recalc_and_set_mode
KVM: x86: emulator: em_sysexit should update ctxt->mode
KVM: selftests: Mark "guest_saw_irq" as volatile in xen_shinfo_test
KVM: selftests: Add tests in xen_shinfo_test to detect lock races
KVM: Reject attempts to consume or refresh inactive gfn_to_pfn_cache
KVM: Initialize gfn_to_pfn_cache locks in dedicated helper
KVM: VMX: fully disable SGX if SECONDARY_EXEC_ENCLS_EXITING unavailable
KVM: x86: Exempt pending triple fault from event injection sanity check
MAINTAINERS: git://github -> https://github.com for kvm-riscv
KVM: debugfs: Return retval of simple_attr_open() if it fails
KVM: x86: Reduce refcount if single_open() fails in kvm_mmu_rmaps_stat_open()
KVM: x86: Mask off reserved bits in CPUID.8000001FH
KVM: x86: Mask off reserved bits in CPUID.8000001AH
KVM: x86: Mask off reserved bits in CPUID.80000008H
KVM: x86: Mask off reserved bits in CPUID.80000006H
KVM: x86: Mask off reserved bits in CPUID.80000001H
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Tag "guest_saw_irq" as "volatile" to ensure that the compiler will never
optimize away lookups. Relying on the compiler thinking that the flag
is global and thus might change also works, but it's subtle, less robust,
and looks like a bug at first glance, e.g. risks being "fixed" and
breaking the test.
Make the flag "static" as well since convincing the compiler it's global
is no longer necessary.
Alternatively, the flag could be accessed with {READ,WRITE}_ONCE(), but
literally every access would need the wrappers, and eking out performance
isn't exactly top priority for selftests.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20221013211234.1318131-17-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Tests for races between shinfo_cache (de)activation and hypercall+ioctl()
processing. KVM has had bugs where activating the shared info cache
multiple times and/or with concurrent users results in lock corruption,
NULL pointer dereferences, and other fun.
For the timer injection testcase (#22), re-arm the timer until the IRQ
is successfully injected. If the timer expires while the shared info
is deactivated (invalid), KVM will drop the event.
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20221013211234.1318131-16-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Some small driver fixes for 6.1-rc3. They include:
- iio driver bugfixes
- counter driver bugfixes
- coresight bugfixes, including a revert and then a second fix to get
it right.
All of these have been in linux-next with no reported problems"
* tag 'char-misc-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (21 commits)
misc: sgi-gru: use explicitly signed char
coresight: cti: Fix hang in cti_disable_hw()
Revert "coresight: cti: Fix hang in cti_disable_hw()"
counter: 104-quad-8: Fix race getting function mode and direction
counter: microchip-tcb-capture: Handle Signal1 read and Synapse
coresight: cti: Fix hang in cti_disable_hw()
coresight: Fix possible deadlock with lock dependency
counter: ti-ecap-capture: fix IS_ERR() vs NULL check
counter: Reduce DEFINE_COUNTER_ARRAY_POLARITY() to defining counter_array
iio: bmc150-accel-core: Fix unsafe buffer attributes
iio: adxl367: Fix unsafe buffer attributes
iio: adxl372: Fix unsafe buffer attributes
iio: at91-sama5d2_adc: Fix unsafe buffer attributes
iio: temperature: ltc2983: allocate iio channels once
tools: iio: iio_utils: fix digit calculation
iio: adc: stm32-adc: fix channel sampling time init
iio: adc: mcp3911: mask out device ID in debug prints
iio: adc: mcp3911: use correct id bits
iio: adc: mcp3911: return proper error code on failure to allocate trigger
iio: adc: mcp3911: fix sizeof() vs ARRAY_SIZE() bug
...
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The iio_utils uses a digit calculation in order to know length of the
file name containing a buffer number. The digit calculation does not
work for number 0.
This leads to allocation of one character too small buffer for the
file-name when file name contains value '0'. (Eg. buffer0).
Fix digit calculation by returning one digit to be present for number
'0'.
Fixes: 096f9b862e60 ("tools:iio:iio_utils: implement digit calculation")
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://lore.kernel.org/r/Y0f+tKCz+ZAIoroQ@dc75zzyyyyyyyyyyyyycy-3.rev.dnainternet.fi
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These make the intel_pstate driver work as expected on all hybrid
platforms to date (regardless of possible platform firmware issues),
fix hybrid sleep on systems using suspend-to-idle by default, make the
generic power domains code handle disabled idle states properly and
update pm-graph.
Specifics:
- Make intel_pstate use what is known about the hardware instead of
relying on information from the platform firmware (ACPI CPPC in
particular) to establish the relationship between the HWP CPU
performance levels and frequencies on all hybrid platforms
available to date (Rafael Wysocki)
- Allow hybrid sleep to use suspend-to-idle as a system suspend
method if it is the current suspend method of choice (Mario
Limonciello)
- Fix handling of unavailable/disabled idle states in the generic
power domains code (Sudeep Holla)
- Update the pm-graph suite of utilities to version 5.10 which is
fixes-mostly and does not add any new features (Todd Brandt)"
* tag 'pm-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: domains: Fix handling of unavailable/disabled idle states
pm-graph v5.10
cpufreq: intel_pstate: hybrid: Use known scaling factor for P-cores
cpufreq: intel_pstate: Read all MSRs on the target CPU
PM: hibernate: Allow hybrid sleep to work with s2idle
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sleepgraph:
- add -wifitrace argument for tracing all the way to wifi reconnect
- include more data in ftrace to mark the end of kernel resume
- add async_synchronize_full to the list of funcs to chart
- add thermal zone info to the log data
- include a check for s0ix support (s2idle is the default mem_sleep)
- if s2idle does not support s0ix, remove the SYS%LPI turbostat var
- fix -dev crash when kprobe caller is just an address (not a symbol)
- fix the cpuexec data in -proc to display in resume
sleepgraph.8:
- add -wifitrace documentation
README:
- change links from 01.org to developer.intel.com
Signed-off-by: Todd Brandt <todd.e.brandt@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from 802.15.4 (Zigbee et al).
Current release - regressions:
- ipa: fix bugs in the register conversion for IPA v3.1 and v3.5.1
Current release - new code bugs:
- mptcp: fix abba deadlock on fastopen
- eth: stmmac: rk3588: allow multiple gmac controllers in one system
Previous releases - regressions:
- ip: rework the fix for dflt addr selection for connected nexthop
- net: couple more fixes for misinterpreting bits in struct page
after the signature was added
Previous releases - always broken:
- ipv6: ensure sane device mtu in tunnels
- openvswitch: switch from WARN to pr_warn on a user-triggerable path
- ethtool: eeprom: fix null-deref on genl_info in dump
- ieee802154: more return code fixes for corner cases in
dgram_sendmsg
- mac802154: fix link-quality-indicator recording
- eth: mlx5: fixes for IPsec, PTP timestamps, OvS and conntrack
offload
- eth: fec: limit register access on i.MX6UL
- eth: bcm4908_enet: update TX stats after actual transmission
- can: rcar_canfd: improve IRQ handling for RZ/G2L
Misc:
- genetlink: piggy back on the newly added resv_op_start to enforce
more sanity checks on new commands"
* tag 'net-6.1-rc3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits)
net: enetc: survive memory pressure without crashing
kcm: do not sense pfmemalloc status in kcm_sendpage()
net: do not sense pfmemalloc status in skb_append_pagefrags()
net/mlx5e: Fix macsec sci endianness at rx sa update
net/mlx5e: Fix wrong bitwise comparison usage in macsec_fs_rx_add_rule function
net/mlx5e: Fix macsec rx security association (SA) update/delete
net/mlx5e: Fix macsec coverity issue at rx sa update
net/mlx5: Fix crash during sync firmware reset
net/mlx5: Update fw fatal reporter state on PCI handlers successful recover
net/mlx5e: TC, Fix cloned flow attr instance dests are not zeroed
net/mlx5e: TC, Reject forwarding from internal port to internal port
net/mlx5: Fix possible use-after-free in async command interface
net/mlx5: ASO, Create the ASO SQ with the correct timestamp format
net/mlx5e: Update restore chain id for slow path packets
net/mlx5e: Extend SKB room check to include PTP-SQ
net/mlx5: DR, Fix matcher disconnect error flow
net/mlx5: Wait for firmware to enable CRS before pci_restore_state
net/mlx5e: Do not increment ESN when updating IPsec ESN state
netdevsim: remove dir in nsim_dev_debugfs_init() when creating ports dir failed
netdevsim: fix memory leak in nsim_drv_probe() when nsim_dev_resources_register() failed
...
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Previous commit resolves a WARN splat that can be difficult to reproduce,
but with the ovs-dpctl.py utility, it can be trivial. Introduce a test
case which creates a DP, and then downgrades the feature set. This will
include a utility 'ovs-dpctl.py' that can be extended to do additional
tests and diagnostics.
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 0cc177cfc95d565e ("perf vendor events arm64: Add Hisi hip08 L3
metrics") add L3 metrics of hip08, but some metrics (IF_BP_MISP_BR_RET,
IF_BP_MISP_BR_RET, IF_BP_MISP_BR_BL) have incorrect event number due to
the mistakes in document, which caused incorrect result. Fix the
incorrect metrics.
Before:
65,811,214,308 armv8_pmuv3_0/event=0x1014/ # 18.87 push_branch
# -40.19 other_branch
3,564,316,780 BR_MIS_PRED # 0.51 indirect_branch
# 21.81 pop_branch
After:
6,537,146,245 BR_MIS_PRED # 0.48 indirect_branch
# 0.47 pop_branch
# 0.00 push_branch
# 0.05 other_branch
Fixes: 0cc177cfc95d565e ("perf vendor events arm64: Add Hisi hip08 L3 metrics")
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Shang XiaoJing <shangxiaojing@huawei.com>
Acked-by: James Clark <james.clark@arm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20221021105035.10000-2-shangxiaojing@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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For modules, names from kallsyms__parse() contain the module name which
meant that module symbols did not match exactly by name.
Fix by matching the name string up to the separating tab character.
Fixes: 1b36c03e356936d6 ("perf record: Add support for using symbols in address filters")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20221026072736.2982-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To pick the changes in:
cfef80bad4cf79cd ("perf/uapi: Define PERF_MEM_SNOOPX_PEER in kernel header file")
ee3e88dfec23153d ("perf/mem: Introduce PERF_MEM_LVLNUM_{EXTN_MEM|IO}")
b4e12b2d70fd9ecc ("perf: Kill __PERF_SAMPLE_CALLCHAIN_EARLY")
There is a kernel patch pending that renames PERF_MEM_LVLNUM_EXTN_MEM to
PERF_MEM_LVLNUM_CXL, tooling this time is ahead of the kernel :-)
This thus partially addresses this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/perf_event.h' differs from latest version at 'include/uapi/linux/perf_event.h'
diff -u tools/include/uapi/linux/perf_event.h include/uapi/linux/perf_event.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/lkml/Y1k53KMdzypmU0WS@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To pick the changes from:
257449c6a50298bd ("x86/cpufeatures: Add LbrExtV2 feature bit")
This only causes these perf files to be rebuilt:
CC /tmp/build/perf/bench/mem-memcpy-x86-64-asm.o
CC /tmp/build/perf/bench/mem-memset-x86-64-asm.o
And addresses this perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/cpufeatures.h' differs from latest version at 'arch/x86/include/asm/cpufeatures.h'
diff -u tools/arch/x86/include/asm/cpufeatures.h arch/x86/include/asm/cpufeatures.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Link: https://lore.kernel.org/lkml/Y1g6vGPqPhOrXoaN@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To pick the changes from:
825cf206ed510c4a ("statx: add direct I/O alignment information")
That add a constant that was manually added to tools/perf/trace/beauty/statx.c,
at some point this should move to the shell based automated way.
This silences this perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/stat.h' differs from latest version at 'include/uapi/linux/stat.h'
diff -u tools/include/uapi/linux/stat.h include/uapi/linux/stat.h
Cc: Eric Biggers <ebiggers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/Y1gGQL5LonnuzeYd@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Picking the changes from:
69ab6f5b00b1804e ("ALSA: Remove some left-over license text in include/uapi/sound/")
Which entails no changes in the tooling side as it doesn't introduce new
SNDRV_PCM_IOCTL_ ioctls.
To silence this perf tools build warning:
Warning: Kernel ABI header at 'tools/include/uapi/sound/asound.h' differs from latest version at 'include/uapi/sound/asound.h'
diff -u tools/include/uapi/sound/asound.h include/uapi/sound/asound.h
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To get the changes in:
65b32f801bfbc54d ("uapi: move IPPROTO_L2TP to in.h")
5854a09b49574da5 ("net/ipv4: Use __DECLARE_FLEX_ARRAY() helper")
That ends up automatically adding the new IPPROTO_L2TP to the socket
args beautifiers:
$ tools/perf/trace/beauty/socket.sh > before
$ cp include/uapi/linux/in.h tools/include/uapi/linux/in.h
$ tools/perf/trace/beauty/socket.sh > after
$ diff -u before after
--- before 2022-10-25 12:17:02.577892416 -0300
+++ after 2022-10-25 12:17:10.806113033 -0300
@@ -20,6 +20,7 @@
[98] = "ENCAP",
[103] = "PIM",
[108] = "COMP",
+ [115] = "L2TP",
[132] = "SCTP",
[136] = "UDPLITE",
[137] = "MPLS",
$
Now 'perf trace' will decode that 115 into "L2TP" and it will also be
possible to use it in tracepoint filter expressions.
Addresses this tools/perf build warning:
Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
Cc: Wojciech Drewek <wojciech.drewek@intel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/lkml/Y1f%2FGe6vjQrGjYiK@kernel.org/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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We also need to add SYM_TYPED_FUNC_START() to util/include/linux/linkage.h
and update tools/perf/check_headers.sh to ignore the include cfi_types.h
line when checking if the kernel original files drifted from the copies
we carry.
This is to get the changes from:
ccace936eec7b805 ("x86: Add types to indirectly called assembly functions")
Addressing these tools/perf build warnings:
Warning: Kernel ABI header at 'tools/arch/x86/lib/memcpy_64.S' differs from latest version at 'arch/x86/lib/memcpy_64.S'
diff -u tools/arch/x86/lib/memcpy_64.S arch/x86/lib/memcpy_64.S
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Sami Tolvanen <samitolvanen@google.com>
Link: https://lore.kernel.org/lkml/Y1f3VRIec9EBgX6F@kernel.org/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To get the changes in:
0e5d5ae837c8ce04 ("arm64: Add AMPERE1 to the Spectre-BHB affected list")
That addresses this perf build warning:
Warning: Kernel ABI header at 'tools/arch/arm64/include/asm/cputype.h' differs from latest version at 'arch/arm64/include/asm/cputype.h'
diff -u tools/arch/arm64/include/asm/cputype.h arch/arm64/include/asm/cputype.h
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: D Scott Phillips <scott@os.amperecomputing.com>
https://lore.kernel.org/lkml/Y1fy5GD7ZYvkeufv@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The virtual LBR test uses a python script to check the max size of
branch stack in the Intel-PT generated LBR. But it didn't check whether
python scripting is available (as it's optional).
Let's skip the test if the python support is not available.
Fixes: f77811a0f62577d2 ("perf test: test_intel_pt.sh: Add 9 tests")
Reviewed-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Ammy Yi <ammy.yi@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20221021181055.60183-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Commit e0b23af82d6f454c ("perf list: Add PMU pai_crypto event
description for IBM z16") introduced the "Processor Activity
Instrumentation" for cryptographic counters for z16. The PMU device
driver exports the counters via sysfs files listed in directory
/sys/devices/pai_crypto.
To specify an event from that PMU, use 'perf stat -e pai_crypto/XXX/'.
However the JSON file mentioned in above commit exports the counter
decriptions in file pmu-events/arch/s390/cf_z16/pai.json. Rename this
file to pmu-events/arch/s390/cf_z16/pai_crypto.json to make the naming
consistent.
Now 'perf list' shows the counter names under pai_crypto section:
pai_crypto:
CRYPTO_ALL
[CRYPTO ALL. Unit: pai_crypto]
...
Output before was
pai:
CRYPTO_ALL
[CRYPTO ALL. Unit: pai_crypto]
...
Fixes: e0b23af82d6f454c ("perf list: Add PMU pai_crypto event description for IBM z16")
Signed-off-by: Thomas Richter <tmricht@linux.ibm.com>
Acked-by: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Link: https://lore.kernel.org/r/20221021082557.2695382-1-tmricht@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The write call may set errno which is problematic if occurring in a
function also setting errno. Save and restore errno around the write
call.
done_fd may be used after close, clear it as part of the close and check
its validity in the signal handler.
Suggested-by: <gthelen@google.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anand K Mistry <amistry@google.com>
Cc: Ingo Molnar <mingo@redhat.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>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20221024011024.462518-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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bpf_program__set_insns() is available
During the transition to libbpf 1.0 some functions that perf used were
deprecated and finally removed from libbpf, so bpf_program__set_insns()
was introduced for perf to continue to use its bpf loader.
But when build with LIBBPF_DYNAMIC=1 we now need to check if that
function is available so that perf can build with older libbpf versions,
even if the end result is emitting a warning to the user that the use
of the perf BPF loader requires a newer libbpf, since bpf_program__set_insns()
touches libbpf objects internal state.
This affects only 'perf trace' when using bpf C code or pre-compiled
bytecode as an event.
Noticed on RHEL9, that has libbpf 0.7.0, where bpf_program__set_insns()
isn't available.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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The bpf_load_program() prototype appeared in tools/lib/bpf/bpf.h as
deprecated, but nowadays its completely removed, so add it back for
building with the system libbpf when using 'make LIBBPF_DYNAMIC=1'.
This is a stop gap hack till we do like tools/bpf does with bpftool,
i.e. bootstrap the libbpf build and install it in the perf build
directory when not using 'make LIBBPF_DYNAMIC=1'.
That has to be done to all libraries in tools/lib/, so tha we can
remove -Itools/lib/ from the tools/perf CFLAGS.
Noticed when building with LIBBPF_DYNAMIC=1 and libbpf 0.7.0 on RHEL9.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Testcase stat_all_metrics.sh fails in powerpc:
90: perf all metrics test : FAILED!
The testcase "stat_all_metrics.sh" verifies perf stat result for all the
metric events present in perf list. It runs perf metric events with
various commands and expects non-empty metric result.
Incase of powerpc:hv-24x7 events, some of the event count can be 0 based
on system configuration. And if that event used as denominator in divide
equation, it can cause divide by 0 error. The current nest_metric.json
file creating divide by 0 issue for some of the metric events, which
results in failure of the "stat_all_metrics.sh" test case.
Most of the metrics events have cycles or an event which expect to have
a larger value as denominator, so adding 1 to the denominator of the
metric expression as a fix.
Result in powerpc box after this patch changes:
90: perf all metrics test : Ok
Fixes: a3cbcadfdfc330c2 ("perf vendor events power10: Adds 24x7 nest metric events for power10 platform")
Signed-off-by: Kajol Jain <kjain@linux.ibm.com>
Reviewed-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: Disha Goel <disgoel@linux.vnet.ibm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nageswara R Sastry <rnsastry@linux.ibm.com>
Link: https://lore.kernel.org/r/20221014140220.122251-1-kjain@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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perf build assumes documentation files starting with "perf-" are man
pages but perf-arm-coresight.txt is not a man page:
asciidoc: ERROR: perf-arm-coresight.txt: line 2: malformed manpage title
asciidoc: ERROR: perf-arm-coresight.txt: line 3: name section expected
asciidoc: FAILED: perf-arm-coresight.txt: line 3: section title expected
make[3]: *** [Makefile:266: perf-arm-coresight.xml] Error 1
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [Makefile.perf:895: man] Error 2
Fix by renaming it.
Fixes: dc2e0fb00bb2b24f ("perf test coresight: Add relevant documentation about ARM64 CoreSight testing")
Reported-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Reported-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Carsten Haitzler <carsten.haitzler@arm.com>
Cc: coresight@lists.linaro.org
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/a176a3e1-6ddc-bb63-e41c-15cda8c2d5d2@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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To pick the changes in these csets:
e237506238352f3b ("powerpc/32: fix syscall wrappers with 64-bit arguments of unaligned register-pairs")
That doesn't cause any changes in the perf tools.
As a reminder, this table is used in tools perf to allow features such as:
[root@five ~]# perf trace -e set_mempolicy_home_node
^C[root@five ~]#
[root@five ~]# perf trace -v -e set_mempolicy_home_node
Using CPUID AuthenticAMD-25-21-0
event qualifier tracepoint filter: (common_pid != 253729 && common_pid != 3585) && (id == 450)
mmap size 528384B
^C[root@five ~]
[root@five ~]# perf trace -v -e set* --max-events 5
Using CPUID AuthenticAMD-25-21-0
event qualifier tracepoint filter: (common_pid != 253734 && common_pid != 3585) && (id == 38 || id == 54 || id == 105 || id == 106 || id == 109 || id == 112 || id == 113 || id == 114 || id == 116 || id == 117 || id == 119 || id == 122 || id == 123 || id == 141 || id == 160 || id == 164 || id == 170 || id == 171 || id == 188 || id == 205 || id == 218 || id == 238 || id == 273 || id == 308 || id == 450)
mmap size 528384B
0.000 ( 0.008 ms): bash/253735 setpgid(pid: 253735 (bash), pgid: 253735 (bash)) = 0
6849.011 ( 0.008 ms): bash/16046 setpgid(pid: 253736 (bash), pgid: 253736 (bash)) = 0
6849.080 ( 0.005 ms): bash/253736 setpgid(pid: 253736 (bash), pgid: 253736 (bash)) = 0
7437.718 ( 0.009 ms): gnome-shell/253737 set_robust_list(head: 0x7f34b527e920, len: 24) = 0
13445.986 ( 0.010 ms): bash/16046 setpgid(pid: 253738 (bash), pgid: 253738 (bash)) = 0
[root@five ~]#
That is the filter expression attached to the raw_syscalls:sys_{enter,exit}
tracepoints.
$ find tools/perf/arch/ -name "syscall*tbl" | xargs grep -w set_mempolicy_home_node
tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl:450 common set_mempolicy_home_node sys_set_mempolicy_home_node
tools/perf/arch/powerpc/entry/syscalls/syscall.tbl:450 nospu set_mempolicy_home_node sys_set_mempolicy_home_node
tools/perf/arch/s390/entry/syscalls/syscall.tbl:450 common set_mempolicy_home_node sys_set_mempolicy_home_node sys_set_mempolicy_home_node
tools/perf/arch/x86/entry/syscalls/syscall_64.tbl:450 common set_mempolicy_home_node sys_set_mempolicy_home_node
$
$ grep -w set_mempolicy_home_node /tmp/build/perf/arch/x86/include/generated/asm/syscalls_64.c
[450] = "set_mempolicy_home_node",
$
This addresses these perf build warnings:
Warning: Kernel ABI header at 'tools/include/uapi/asm-generic/unistd.h' differs from latest version at 'include/uapi/asm-generic/unistd.h'
diff -u tools/include/uapi/asm-generic/unistd.h include/uapi/asm-generic/unistd.h
Warning: Kernel ABI header at 'tools/perf/arch/x86/entry/syscalls/syscall_64.tbl' differs from latest version at 'arch/x86/entry/syscalls/syscall_64.tbl'
diff -u tools/perf/arch/x86/entry/syscalls/syscall_64.tbl arch/x86/entry/syscalls/syscall_64.tbl
Warning: Kernel ABI header at 'tools/perf/arch/powerpc/entry/syscalls/syscall.tbl' differs from latest version at 'arch/powerpc/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/powerpc/entry/syscalls/syscall.tbl arch/powerpc/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/s390/entry/syscalls/syscall.tbl' differs from latest version at 'arch/s390/kernel/syscalls/syscall.tbl'
diff -u tools/perf/arch/s390/entry/syscalls/syscall.tbl arch/s390/kernel/syscalls/syscall.tbl
Warning: Kernel ABI header at 'tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl' differs from latest version at 'arch/mips/kernel/syscalls/syscall_n64.tbl'
diff -u tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl arch/mips/kernel/syscalls/syscall_n64.tbl
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Link: https://lore.kernel.org/lkml/Y01HN2DGkWz8tC%2FJ@kernel.org/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bpf.
The net-memcg fix stands out, the rest is very run-off-the-mill. Maybe
I'm biased.
Current release - regressions:
- eth: fman: re-expose location of the MAC address to userspace,
apparently some udev scripts depended on the exact value
Current release - new code bugs:
- bpf:
- wait for busy refill_work when destroying bpf memory allocator
- allow bpf_user_ringbuf_drain() callbacks to return 1
- fix dispatcher patchable function entry to 5 bytes nop
Previous releases - regressions:
- net-memcg: avoid stalls when under memory pressure
- tcp: fix indefinite deferral of RTO with SACK reneging
- tipc: fix a null-ptr-deref in tipc_topsrv_accept
- eth: macb: specify PHY PM management done by MAC
- tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
Previous releases - always broken:
- eth: amd-xgbe: SFP fixes and compatibility improvements
Misc:
- docs: netdev: offer performance feedback to contributors"
* tag 'net-6.1-rc3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (37 commits)
net-memcg: avoid stalls when under memory pressure
tcp: fix indefinite deferral of RTO with SACK reneging
tcp: fix a signed-integer-overflow bug in tcp_add_backlog()
net: lantiq_etop: don't free skb when returning NETDEV_TX_BUSY
net: fix UAF issue in nfqnl_nf_hook_drop() when ops_init() failed
docs: netdev: offer performance feedback to contributors
kcm: annotate data-races around kcm->rx_wait
kcm: annotate data-races around kcm->rx_psock
net: fman: Use physical address for userspace interfaces
net/mlx5e: Cleanup MACsec uninitialization routine
atlantic: fix deadlock at aq_nic_stop
nfp: only clean `sp_indiff` when application firmware is unloaded
amd-xgbe: add the bit rate quirk for Molex cables
amd-xgbe: fix the SFP compliance codes check for DAC cables
amd-xgbe: enable PLL_CTL for fixed PHY modes only
amd-xgbe: use enums for mailbox cmd and sub_cmds
amd-xgbe: Yellow carp devices do not need rrc
bpf: Use __llist_del_all() whenever possbile during memory draining
bpf: Wait for busy refill_work when destroying bpf memory allocator
MAINTAINERS: add keyword match on PTP
...
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Alexei Starovoitov says:
====================
pull-request: bpf 2022-10-23
We've added 7 non-merge commits during the last 18 day(s) which contain
a total of 8 files changed, 69 insertions(+), 5 deletions(-).
The main changes are:
1) Wait for busy refill_work when destroying bpf memory allocator, from Hou.
2) Allow bpf_user_ringbuf_drain() callbacks to return 1, from David.
3) Fix dispatcher patchable function entry to 5 bytes nop, from Jiri.
4) Prevent decl_tag from being referenced in func_proto, from Stanislav.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Use __llist_del_all() whenever possbile during memory draining
bpf: Wait for busy refill_work when destroying bpf memory allocator
bpf: Fix dispatcher patchable function entry to 5 bytes nop
bpf: prevent decl_tag from being referenced in func_proto
selftests/bpf: Add reproducer for decl_tag in func_proto return type
selftests/bpf: Make bpf_user_ringbuf_drain() selftest callback return 1
bpf: Allow bpf_user_ringbuf_drain() callbacks to return 1
====================
Link: https://lore.kernel.org/r/20221023192244.81137-1-alexei.starovoitov@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It should trigger a WARN_ON_ONCE in btf_type_id_size.
btf_func_proto_check kernel/bpf/btf.c:4447 [inline]
btf_check_all_types kernel/bpf/btf.c:4723 [inline]
btf_parse_type_sec kernel/bpf/btf.c:4752 [inline]
btf_parse kernel/bpf/btf.c:5026 [inline]
btf_new_fd+0x1926/0x1e70 kernel/bpf/btf.c:6892
bpf_btf_load kernel/bpf/syscall.c:4324 [inline]
__sys_bpf+0xb7d/0x4cf0 kernel/bpf/syscall.c:5010
__do_sys_bpf kernel/bpf/syscall.c:5069 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5067 [inline]
__x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5067
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
Cc: Yonghong Song <yhs@fb.com>
Cc: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/r/20221015002444.2680969-1-sdf@google.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
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In commit 1bfe26fb0827 ("bpf: Add verifier support for custom callback
return range"), the verifier was updated to require callbacks to BPF
helpers to explicitly specify the range of values that can be returned.
bpf_user_ringbuf_drain() was merged after this in commit 205715673844
("bpf: Add bpf_user_ringbuf_drain() helper"), and this change in default
behavior was missed. This patch updates the BPF_MAP_TYPE_USER_RINGBUF
selftests to also return 1 from a bpf_user_ringbuf_drain() callback so
as to properly test this going forward.
Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20221012232015.1510043-3-void@manifault.com
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lag_lib.sh creates the interfaces dummy1 and dummy2 whereas
dev_addr_lists.sh:destroy() deletes the interfaces dummy0 and dummy1. Fix
the mismatch in names.
Fixes: bbb774d921e2 ("net: Add tests for bonding and team address list management")
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When exporting and running a subset of selftests via kselftest, files from
parts of the source tree which were not exported are not available. A few
tests are trying to source such files. Address the problem by using
symlinks.
The problem can be reproduced by running:
make -C tools/testing/selftests gen_tar TARGETS="drivers/net/bonding"
[... extract archive ...]
./run_kselftest.sh
or:
make kselftest KBUILD_OUTPUT=/tmp/kselftests TARGETS="drivers/net/bonding"
Fixes: bbb774d921e2 ("net: Add tests for bonding and team address list management")
Fixes: eccd0a80dc7f ("selftests: net: dsa: add a stress test for unlocked FDB operations")
Link: https://lore.kernel.org/netdev/40f04ded-0c86-8669-24b1-9a313ca21076@redhat.com/
Reported-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Jonathan Toppins <jtoppins@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
- futex, intel_pstate, kexec build fixes
- ftrace dynamic_events dependency check fix
- memory-hotplug fix to remove redundant warning from test report
* tag 'linux-kselftest-fixes-6.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/ftrace: fix dynamic_events dependency check
selftests/memory-hotplug: Remove the redundant warning information
selftests/kexec: fix build for ARCH=x86_64
selftests/intel_pstate: fix build for ARCH=x86_64
selftests/futex: fix build for clang
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commit 95c104c378dc ("tracing: Auto generate event name when creating a
group of events") changed the syntax in the ftrace README file which is
used by the selftests to check what features are support. Adjust the
string to make test_duplicates.tc and trigger-synthetic-eprobe.tc work
again.
Fixes: 95c104c378dc ("tracing: Auto generate event name when creating a group of events")
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Remove the redundant warning information of online_all_offline_memory()
since there is a warning in online_memory_expect_success().
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Handle the scenario where the build is launched with the ARCH envvar
defined as x86_64.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Handle the scenario where the build is launched with the ARCH envvar
defined as x86_64.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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Don't use the test-specific header files as source files to force a
target dependency, as clang will complain if more than one source file
is used for a compile command with a single '-o' flag.
Use the proper Makefile variables instead as defined in
tools/testing/selftests/lib.mk.
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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