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There is a dedicated tool for configuration of DCB in iproute2 now. Use it
in the selftest instead of mlnx_qos.
Signed-off-by: Petr Machata <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The test sometimes fails with an error message such as:
TEST: tc sample (w/ flower) rate (egress) [FAIL]
Expected 100 packets, got 70 packets, which is -30% off. Required accuracy is +-25%
Make the test more robust by generating more packets, therefore
increasing the number of expected samples. Decrease the transmission
delay in order not to needlessly prolong the test.
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Currently, the array of the ports that were split in the port_scale test
is local, so the port_cleanup() unsplits an empty array.
Make the array global so the cleanup will be preformed properly.
Suggested-by: Petr Machata <[email protected]>
Signed-off-by: Danielle Ratson <[email protected]>
Reviewed-by: Petr Machata <[email protected]>
Signed-off-by: Ido Schimmel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Expect the lowest IPv4 address in a subnet to be assignable
and addressable as a unicast (non-broadcast) address on a
local network segment.
Signed-off-by: Seth David Schoen <[email protected]>
Suggested-by: John Gilmore <[email protected]>
Acked-by: Dave Taht <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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This adds some basic tests for the low level bpf_tc_* API.
Signed-off-by: Kumar Kartikeya Dwivedi <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Reviewed-by: Toke Høiland-Jørgensen <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.13, take #1
- Fix regression with irqbypass not restarting the guest on failed connect
- Fix regression with debug register decoding resulting in overlapping access
- Commit exception state on exit to usrspace
- Fix the MMU notifier return values
- Add missing 'static' qualifiers in the new host stage-2 code
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We recently discovered some of our mitigation patching was not safe
against other CPUs running concurrently.
Add a test which enable/disables all mitigations in a tight loop while
also running some stress load. On an unpatched system this almost always
leads to an oops and panic/reboot, but we also check if the kernel
becomes tainted in case we have a non-fatal oops.
Signed-off-by: Michael Ellerman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
"A regression fix for a bootup crash condition introduced in this merge
window and some other minor fixups:
- Fix regression in ACPI NFIT table handling leading to crashes and
driver load failures.
- Move the nvdimm mailing list
- Miscellaneous minor fixups"
* tag 'libnvdimm-fixes-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
ACPI: NFIT: Fix support for variable 'SPA' structure size
MAINTAINERS: Move nvdimm mailing list
tools/testing/nvdimm: Make symbol '__nfit_test_ioremap' static
libnvdimm: Remove duplicate struct declaration
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Fixes and cpucaps.h automatic generation:
- Generate cpucaps.h at build time rather than carrying lots of
#defines. Merged at -rc1 to avoid some conflicts during the merge
window.
- Initialise RGSR_EL1.SEED in __cpu_setup() as it may be left as 0
out of reset and the IRG instruction would not function as expected
if only the architected pseudorandom number generator is
implemented.
- Fix potential race condition in __sync_icache_dcache() where the
PG_dcache_clean page flag is set before the actual cache
maintenance.
- Fix header include in BTI kselftests"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Fix race condition on PG_dcache_clean in __sync_icache_dcache()
arm64: tools: Add __ASM_CPUCAPS_H to the endif in cpucaps.h
arm64: mte: initialize RGSR_EL1.SEED in __cpu_setup
kselftest/arm64: Add missing stddef.h include to BTI tests
arm64: Generate cpucaps.h
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Adjust static_linked selftests to test a mix of global and static variables
and their handling of bpftool's skeleton generation code.
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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ACPI 6.4 introduced the "SpaLocationCookie" to the NFIT "System Physical
Address (SPA) Range Structure". The presence of that new field is
indicated by the ACPI_NFIT_LOCATION_COOKIE_VALID flag. Pre-ACPI-6.4
firmware implementations omit the flag and maintain the original size of
the structure.
Update the implementation to check that flag to determine the size
rather than the ACPI 6.4 compliant definition of 'struct
acpi_nfit_system_address' from the Linux ACPICA definitions.
Update the test infrastructure for the new expectations as well, i.e.
continue to emulate the ACPI 6.3 definition of that structure.
Without this fix the kernel fails to validate 'SPA' structures and this
leads to a crash in nfit_get_smbios_id() since that routine assumes that
SPAs are valid if it finds valid SMBIOS tables.
BUG: unable to handle page fault for address: ffffffffffffffa8
[..]
Call Trace:
skx_get_nvdimm_info+0x56/0x130 [skx_edac]
skx_get_dimm_config+0x1f5/0x213 [skx_edac]
skx_register_mci+0x132/0x1c0 [skx_edac]
Cc: Bob Moore <[email protected]>
Cc: Erik Kaneda <[email protected]>
Fixes: cf16b05c607b ("ACPICA: ACPI 6.4: NFIT: add Location Cookie field")
Reported-by: Yi Zhang <[email protected]>
Tested-by: Yi Zhang <[email protected]>
Reviewed-by: Rafael J. Wysocki <[email protected]>
Link: https://lore.kernel.org/r/162037273007.1195827.10907249070709169329.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <[email protected]>
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The sparse tool complains as follows:
tools/testing/nvdimm/test/iomap.c:65:14: warning:
symbol '__nfit_test_ioremap' was not declared. Should it be static?
This symbol is not used outside of iomap.c, so this
commit marks it static.
Reported-by: Hulk Robot <[email protected]>
Signed-off-by: Zou Wei <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Dan Williams <[email protected]>
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Fix ~12 single-word typos in RCU code comments.
[ paulmck: Apply feedback from Randy Dunlap. ]
Reviewed-by: Randy Dunlap <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
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Improve futex timeout testing by checking all the operations that
supports timeout and their available modes.
Signed-off-by: André Almeida <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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When building selftests, the build system will install uapi linux
headers at usr/include in kernel source's root directory. When building
with a different output folder, the headers will be installed at
kselftests/usr/include.
Add both paths so we can build the tests using up-to-date headers.
Currently, this is uncommon to happen since it's rare to find a
build system with an outdated futex header, but it happens
when testing new futex operations.
Signed-off-by: André Almeida <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Provides a selftest and examples of using the interface.
[peterz: updated to not use sched_debug]
Signed-off-by: Chris Hyser <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Don Hiatt <[email protected]>
Tested-by: Hongyu Ning <[email protected]>
Tested-by: Vincent Guittot <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
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Daniel Borkmann says:
====================
pull-request: bpf 2021-05-11
The following pull-request contains BPF updates for your *net* tree.
We've added 13 non-merge commits during the last 8 day(s) which contain
a total of 21 files changed, 817 insertions(+), 382 deletions(-).
The main changes are:
1) Fix multiple ringbuf bugs in particular to prevent writable mmap of
read-only pages, from Andrii Nakryiko & Thadeu Lima de Souza Cascardo.
2) Fix verifier alu32 known-const subregister bound tracking for bitwise
operations and/or/xor, from Daniel Borkmann.
3) Reject trampoline attachment for functions with variable arguments,
and also add a deny list of other forbidden functions, from Jiri Olsa.
4) Fix nested bpf_bprintf_prepare() calls used by various helpers by
switching to per-CPU buffers, from Florent Revest.
5) Fix kernel compilation with BTF debug info on ppc64 due to pahole
missing TCP-CC functions like cubictcp_init, from Martin KaFai Lau.
6) Add a kconfig entry to provide an option to disallow unprivileged
BPF by default, from Daniel Borkmann.
7) Fix libbpf compilation for older libelf when GELF_ST_VISIBILITY()
macro is not available, from Arnaldo Carvalho de Melo.
8) Migrate test_tc_redirect to test_progs framework as prep work
for upcoming skb_change_head() fix & selftest, from Jussi Maki.
9) Fix a libbpf segfault in add_dummy_ksym_var() if BTF is not
present, from Ian Rogers.
10) Fix tx_only micro-benchmark in xdpsock BPF sample with proper frame
size, from Magnus Karlsson.
====================
Signed-off-by: David S. Miller <[email protected]>
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In preparation of skipping emitting static variables in BPF skeletons, switch
all current selftests uses of static variables to pass data between BPF and
user-space to use global variables.
All non-read-only `static volatile` variables become just plain global
variables by dropping `static volatile` part.
Read-only `static volatile const` variables, though, still require `volatile`
modifier, otherwise compiler will ignore whatever values are set from
user-space.
Few static linker tests are using name-conflicting static variables to
validate that static linker still properly handles static variables and
doesn't trip up on name conflicts.
Signed-off-by: Andrii Nakryiko <[email protected]>
Signed-off-by: Alexei Starovoitov <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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As discussed in [0], this ports test_tc_redirect.sh to the test_progs
framework and removes the old test.
This makes it more in line with rest of the tests and makes it possible
to run this test case with vmtest.sh and under the bpf CI.
The upcoming skb_change_head() helper fix in [0] is depending on it and
extending the test case to redirect a packet from L3 device to veth.
[0] https://lore.kernel.org/bpf/[email protected]
Signed-off-by: Jussi Maki <[email protected]>
Signed-off-by: Daniel Borkmann <[email protected]>
Link: https://lore.kernel.org/bpf/[email protected]
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Currently, if a torture scenario requires more CPUs than are present
on the build system, kvm.sh and friends limit the CPUs available to
that scenario. This makes total sense when the build system and the
system running the scenarios are one and the same, but not so much when
remote systems might well have more CPUs.
This commit therefore introduces a --remote flag to kvm.sh that suppresses
this CPU-limiting behavior, and causes kvm-remote.sh to use this flag.
Signed-off-by: Paul E. McKenney <[email protected]>
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In a long-duration kvm-remote.sh run, almost all of the remote accesses will
be simple file-existence checks. These are thus the most likely to be caught
out by network failures, which do happen from time to time.
This commit therefore takes a first step towards tolerating temporary
network outages by making the file-existence checks repeat in the face of
such an outage. They also print a message every minute during a outage,
allowing the user to take appropriate action.
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit adds the BUSTED-BOOST rcutorture scenario, which can be
used to test rcutorture's ability to test RCU priority boosting.
Signed-off-by: Paul E. McKenney <[email protected]>
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Some of the code invoked directly and indirectly from kvm.sh parses
the output of commands. This parsing assumes English, which can cause
failures if the user has set some other language. In a few cases,
there are language-independent commands available, but this is not
always the case. Therefore, as an alternative to polyglot parsing,
this commit sets the LANG environment variable to en_US.UTF-8.
Reported-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
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Grepping for "CPU" on lscpu output isn't always successful, depending
on the local language setting. As a result, the build can be aborted
early with:
"make: the '-j' option requires a positive integer argument"
This commit therefore uses the human-language-independent approach
available via the getconf command, both in kvm-build.sh and in
kvm-remote.sh.
Signed-off-by: Frederic Weisbecker <[email protected]>
Signed-off-by: Paul E. McKenney <[email protected]>
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Currently, kvm-find-errors.sh assumes that if "--buildonly" appears in
the log file, then the run did builds but ran no kernels. This breaks
with kvm-remote.sh, which uses kvm.sh to do a build, then kvm-again.sh
to run the kernels built on remote systems. This commit therefore adds
a check for a kvm-remote.sh run.
While in the area, this commit checks for "--build-only" as well as
"--build-only".
Signed-off-by: Paul E. McKenney <[email protected]>
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Given remote rcutorture runs, it is quite possible that the build system
will have fewer CPUs than the system(s) running the actual test scenarios.
In such cases, using the number of CPUs on the test systems can overload
the build system, slowing down the build or, worse, OOMing the build
system. This commit therefore uses the build system's CPU count to set
N in "make -jN", and by tradition sets "N" to double the CPU count.
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit reduces duplicate code by making kvm.sh use the new
kvm-end-run-stats.sh script rather than taking its historical approach
of open-coding it.
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit abstractst the end-of-run summary from kvm-again.sh, and,
while in the area, brings its format into line with that of kvm.sh.
Signed-off-by: Paul E. McKenney <[email protected]>
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The kvm-again.sh script relies on shell comments added to the qemu-cmd
file, but this means that code extracting values from the QEMU command in
this file must grep out those commment. Which kvm-recheck-rcu.sh failed
to do, which destroyed its grace-period-per-second calculation. This
commit therefore adds the needed "grep -v '^#'" to kvm-recheck-rcu.sh.
Fixes: 315957cad445 ("torture: Prepare for splitting qemu execution from kvm-test-1-run.sh")
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit adds a kvm-remote.sh script that prepares a tarball that
is then downloaded to the remote system(s) and executed. The user is
responsible for having set up the remote systems to run qemu, but all the
kernel builds are done on the system running the kvm-remote.sh script.
The user is also responsible for setting up the remote systems so that
ssh can be run non-interactively, given that ssh is used to poll the
remote systems in order to detect completion of each batch.
See the script's header comment for usage information.
Signed-off-by: Paul E. McKenney <[email protected]>
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It is no longer possible to disable CPU hotplug in many configurations,
which means that the CONFIG_HOTPLUG_CPU=n lines in rcuscale's Kconfig
options are just a source of useless diagnostics. In addition, rcuscale
doesn't do CPU-hotplug operations in any case. This commit therefore
changes these lines to read CONFIG_HOTPLUG_CPU=y.
Signed-off-by: Paul E. McKenney <[email protected]>
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It is no longer possible to disable CPU hotplug in many configurations,
which means that the CONFIG_HOTPLUG_CPU=n lines in refscale's Kconfig
options are just a source of useless diagnostics. In addition, refscale
doesn't do CPU-hotplug operations in any case. This commit therefore
changes these lines to read CONFIG_HOTPLUG_CPU=y.
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit saves a few lines of code by making kvm-again.sh use the
"scenarios" file rather than the "batches" file, both of which are
generated by kvm.sh.
This results in a break point because new versions of kvm-again.sh cannot
handle "res" directories produced by old versions of kvm.sh, which lack
the "scenarios" file. In the unlikely event that this becomes a problem,
a trivial script suffices to convert the "batches" file to a "scenarios"
file, and this script may be easily extracted from kvm.sh.
Signed-off-by: Paul E. McKenney <[email protected]>
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This commit adds "--dryrun scenarios" to kvm.sh, which prints something
like this:
1. TREE03
2. TREE07
3. SRCU-P SRCU-N
4. TREE01 TRACE01
5. TREE02 TRACE02
6. TREE04 RUDE01 TASKS01
7. TREE05 TASKS03 SRCU-T SRCU-U
8. TASKS02 TINY01 TINY02 TREE09
This format is more convenient for scripts that run batches of scenarios.
Signed-off-by: Paul E. McKenney <[email protected]>
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Although "eval" was removed from torture.sh, that commit failed to
update the KCSAN instance of $* to "$@". This results in failures when
(for example) --bootargs is given more than one argument. This commit
therefore makes this change.
There is one remaining instance of $* in torture.sh, but this
is used only in the "echo" command, where quoting doesn't matter
so much.
Fixes: 197220d4a334 ("torture: Remove use of "eval" in torture.sh")
Signed-off-by: Paul E. McKenney <[email protected]>
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Pull kvm fixes from Paolo Bonzini:
- Lots of bug fixes.
- Fix virtualization of RDPID
- Virtualization of DR6_BUS_LOCK, which on bare metal is new to this
release
- More nested virtualization migration fixes (nSVM and eVMCS)
- Fix for KVM guest hibernation
- Fix for warning in SEV-ES SRCU usage
- Block KVM from loading on AMD machines with 5-level page tables, due
to the APM not mentioning how host CR4.LA57 exactly impacts the
guest.
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (48 commits)
KVM: SVM: Move GHCB unmapping to fix RCU warning
KVM: SVM: Invert user pointer casting in SEV {en,de}crypt helpers
kvm: Cap halt polling at kvm->max_halt_poll_ns
tools/kvm_stat: Fix documentation typo
KVM: x86: Prevent deadlock against tk_core.seq
KVM: x86: Cancel pvclock_gtod_work on module removal
KVM: x86: Prevent KVM SVM from loading on kernels with 5-level paging
KVM: X86: Expose bus lock debug exception to guest
KVM: X86: Add support for the emulation of DR6_BUS_LOCK bit
KVM: PPC: Book3S HV: Fix conversion to gfn-based MMU notifier callbacks
KVM: x86: Hide RDTSCP and RDPID if MSR_TSC_AUX probing failed
KVM: x86: Tie Intel and AMD behavior for MSR_TSC_AUX to guest CPU model
KVM: x86: Move uret MSR slot management to common x86
KVM: x86: Export the number of uret MSRs to vendor modules
KVM: VMX: Disable loading of TSX_CTRL MSR the more conventional way
KVM: VMX: Use common x86's uret MSR list as the one true list
KVM: VMX: Use flag to indicate "active" uret MSRs instead of sorting list
KVM: VMX: Configure list of user return MSRs at module init
KVM: x86: Add support for RDPID without RDTSCP
KVM: SVM: Probe and load MSR_TSC_AUX regardless of RDTSCP support in host
...
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Test that the new cgroup.kill feature works as intended.
Link: https://lore.kernel.org/r/[email protected]
Cc: Shakeel Butt <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Acked-by: Roman Gushchin <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
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as they will be used by the tests for cgroup killing.
Link: https://lore.kernel.org/r/[email protected]
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Reviewed-by: Shakeel Butt <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
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If cgroup.kill file is supported make use of it.
Link: https://lore.kernel.org/r/[email protected]
Cc: Tejun Heo <[email protected]>
Cc: [email protected]
Reviewed-by: Shakeel Butt <[email protected]>
Acked-by: Roman Gushchin <[email protected]>
Signed-off-by: Christian Brauner <[email protected]>
Signed-off-by: Tejun Heo <[email protected]>
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Explicitly include stddef.h when building the BTI tests so that we have
a definition of NULL, with at least some toolchains this is not done
implicitly by anything else:
test.c: In function ‘start’:
test.c:214:25: error: ‘NULL’ undeclared (first use in this function)
214 | sigaction(SIGILL, &sa, NULL);
| ^~~~
test.c:20:1: note: ‘NULL’ is defined in header ‘<stddef.h>’; did you forget to ‘#include <stddef.h>’?
Signed-off-by: Mark Brown <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Catalin Marinas <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild updates from Masahiro Yamada:
- Convert sh and sparc to use generic shell scripts to generate the
syscall headers
- refactor .gitignore files
- Update kernel/config_data.gz only when the content of the .config
is really changed, which avoids the unneeded re-link of vmlinux
- move "remove stale files" workarounds to scripts/remove-stale-files
- suppress unused-but-set-variable warnings by default for Clang
as well
- fix locale setting LANG=C to LC_ALL=C
- improve 'make distclean'
- always keep intermediate objects from scripts/link-vmlinux.sh
- move IF_ENABLED out of <linux/kconfig.h> to make it self-contained
- misc cleanups
* tag 'kbuild-v5.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (25 commits)
linux/kconfig.h: replace IF_ENABLED() with PTR_IF() in <linux/kernel.h>
kbuild: Don't remove link-vmlinux temporary files on exit/signal
kbuild: remove the unneeded comments for external module builds
kbuild: make distclean remove tag files in sub-directories
kbuild: make distclean work against $(objtree) instead of $(srctree)
kbuild: refactor modname-multi by using suffix-search
kbuild: refactor fdtoverlay rule
kbuild: parameterize the .o part of suffix-search
arch: use cross_compiling to check whether it is a cross build or not
kbuild: remove ARCH=sh64 support from top Makefile
.gitignore: prefix local generated files with a slash
kbuild: replace LANG=C with LC_ALL=C
Makefile: Move -Wno-unused-but-set-variable out of GCC only block
kbuild: add a script to remove stale generated files
kbuild: update config_data.gz only when the content of .config is changed
.gitignore: ignore only top-level modules.builtin
.gitignore: move tags and TAGS close to other tag files
kernel/.gitgnore: remove stale timeconst.h and hz.bc
usr/include: refactor .gitignore
genksyms: fix stale comment
...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.13-rc1, including fixes from bpf, can and
netfilter trees. Self-contained fixes, nothing risky.
Current release - new code bugs:
- dsa: ksz: fix a few bugs found by static-checker in the new driver
- stmmac: fix frame preemption handshake not triggering after
interface restart
Previous releases - regressions:
- make nla_strcmp handle more then one trailing null character
- fix stack OOB reads while fragmenting IPv4 packets in openvswitch
and net/sched
- sctp: do asoc update earlier in sctp_sf_do_dupcook_a
- sctp: delay auto_asconf init until binding the first addr
- stmmac: clear receive all(RA) bit when promiscuous mode is off
- can: mcp251x: fix resume from sleep before interface was brought up
Previous releases - always broken:
- bpf: fix leakage of uninitialized bpf stack under speculation
- bpf: fix masking negation logic upon negative dst register
- netfilter: don't assume that skb_header_pointer() will never fail
- only allow init netns to set default tcp cong to a restricted algo
- xsk: fix xp_aligned_validate_desc() when len == chunk_size to avoid
false positive errors
- ethtool: fix missing NLM_F_MULTI flag when dumping
- can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
- sctp: fix a SCTP_MIB_CURRESTAB leak in sctp_sf_do_dupcook_b
- bridge: fix NULL-deref caused by a races between assigning
rx_handler_data and setting the IFF_BRIDGE_PORT bit
Latecomer:
- seg6: add counters support for SRv6 Behaviors"
* tag 'net-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (73 commits)
atm: firestream: Use fallthrough pseudo-keyword
net: stmmac: Do not enable RX FIFO overflow interrupts
mptcp: fix splat when closing unaccepted socket
i40e: Remove LLDP frame filters
i40e: Fix PHY type identifiers for 2.5G and 5G adapters
i40e: fix the restart auto-negotiation after FEC modified
i40e: Fix use-after-free in i40e_client_subtask()
i40e: fix broken XDP support
netfilter: nftables: avoid potential overflows on 32bit arches
netfilter: nftables: avoid overflows in nft_hash_buckets()
tcp: Specify cmsgbuf is user pointer for receive zerocopy.
mlxsw: spectrum_mr: Update egress RIF list before route's action
net: ipa: fix inter-EE IRQ register definitions
can: m_can: m_can_tx_work_queue(): fix tx_skb race condition
can: mcp251x: fix resume from sleep before interface was brought up
can: mcp251xfd: mcp251xfd_probe(): add missing can_rx_offload_del() in error path
can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe
netfilter: nftables: Fix a memleak from userdata error path in new objects
netfilter: remove BUG_ON() after skb_header_pointer()
netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
...
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Clang's integrated assembler does not allow symbols with non-absolute
values to be reassigned. Modify the interrupt entry loop macro to be
compatible with IAS by using a label and an offset.
Cc: Jian Cai <[email protected]>
Signed-off-by: Bill Wendling <[email protected]>
References: https://lore.kernel.org/lkml/[email protected]/
Message-Id: <[email protected]>
Reviewed-by: Jim Mattson <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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eVMCS after restore
Add a test for the regression, introduced by commit f2c7ef3ba955
("KVM: nSVM: cancel KVM_REQ_GET_NESTED_STATE_PAGES on nested vmexit"). When
L2->L1 exit is forced immediately after restoring nested state,
KVM_REQ_GET_NESTED_STATE_PAGES request is cleared and VMCS12 changes
(e.g. fresh RIP) are not reflected to eVMCS. The consequent nested
vCPU run gets broken.
Utilize NMI injection to do the job.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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'run->exit_reason == KVM_EXIT_SHUTDOWN' check is not ideal as we may be
getting some unexpected exception. Directly check for #UD instead.
Signed-off-by: Vitaly Kuznetsov <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
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Merge yet more updates from Andrew Morton:
"This is everything else from -mm for this merge window.
90 patches.
Subsystems affected by this patch series: mm (cleanups and slub),
alpha, procfs, sysctl, misc, core-kernel, bitmap, lib, compat,
checkpatch, epoll, isofs, nilfs2, hpfs, exit, fork, kexec, gcov,
panic, delayacct, gdb, resource, selftests, async, initramfs, ipc,
drivers/char, and spelling"
* emailed patches from Andrew Morton <[email protected]>: (90 commits)
mm: fix typos in comments
mm: fix typos in comments
treewide: remove editor modelines and cruft
ipc/sem.c: spelling fix
fs: fat: fix spelling typo of values
kernel/sys.c: fix typo
kernel/up.c: fix typo
kernel/user_namespace.c: fix typos
kernel/umh.c: fix some spelling mistakes
include/linux/pgtable.h: few spelling fixes
mm/slab.c: fix spelling mistake "disired" -> "desired"
scripts/spelling.txt: add "overflw"
scripts/spelling.txt: Add "diabled" typo
scripts/spelling.txt: add "overlfow"
arm: print alloc free paths for address in registers
mm/vmalloc: remove vwrite()
mm: remove xlate_dev_kmem_ptr()
drivers/char: remove /dev/kmem for good
mm: fix some typos and code style problems
ipc/sem.c: mundane typo fixes
...
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'assert.h' included in 'sparsebit.c' is duplicated.
It is also included in the 161th line.
'string.h' included in 'mincore_selftest.c' is duplicated.
It is also included in the 15th line.
'sched.h' included in 'tlbie_test.c' is duplicated.
It is also included in the 33th line.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Zhang Yunkai <[email protected]>
Cc: Paolo Bonzini <[email protected]>
Cc: Shuah Khan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Patch series "fs/epoll: restore user-visible behavior upon event ready".
This series tries to address a change in user visible behavior, reported
in https://bugzilla.kernel.org/show_bug.cgi?id=208943.
Epoll does not report an event to all the threads running epoll_wait()
on the same epoll descriptor. Unsurprisingly, this was bisected back to
339ddb53d373 (fs/epoll: remove unnecessary wakeups of nested epoll), which
has had various problems in the past, beyond only nested epoll usage.
This patch (of 2):
This incorporates the testcase originally reported in:
https://bugzilla.kernel.org/show_bug.cgi?id=208943
Which ensures an event is reported to all threads blocked on the same
epoll descriptor, otherwise only a single thread will receive the wakeup
once the event become ready.
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Davidlohr Bueso <[email protected]>
Cc: Jason Baron <[email protected]>
Cc: Roman Penyaev <[email protected]>
Cc: Al Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Test that /proc instance mounted with
mount -t proc -o subset=pid
contains only ".", "..", "self", "thread-self" and pid directories.
Note:
Currently "subset=pid" doesn't return "." and ".." via readdir.
This must be a bug.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Alexey Dobriyan <[email protected]>
Acked-by: Alexey Gladkov <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Now that proc_ops are separate from file_operations and other operations
it easy to check all instances to have ->proc_lseek hook and remove check
in main code.
Note:
nonseekable_open() files naturally don't require ->proc_lseek.
Garbage collect pde_lseek() function.
[[email protected]: smoke test lseek()]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/YFYX0Bzwxlc7aBa/@localhost.localdomain
Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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