Family names may include dashes. Fix notification handling
code gen to the c-compatible name.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250410014658.782120-12-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If the type for the response to do and dump are the same we don't
generate it twice. This is called "type_consistent" in the generator.
Consider operations which only have dump to also be consistent.
This removes unnecessary "_dump" from the names. There's a number
of GET ops in classic Netlink which only have dump handlers.
Make sure we output the "onesided" types, normally if the type
is consistent we only output it when we render the do structures.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250410014658.782120-11-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Make sure the codegen calls the right YNL lib helper to start
the request based on family type. Classic netlink request must
not include the genl header.
Conversely don't expect genl headers in the responses.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250410014658.782120-10-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
C codegen skips generating the structs if request/reply has no attrs.
In such cases the request op takes no argument and return int
(rather than response struct). In case of classic netlink a lot of
information gets passed using the fixed struct, however, so adjust
the logic to consider a request empty only if it has no attrs _and_
no fixed struct.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250410014658.782120-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Classic netlink has static family IDs specified in YAML,
there is no family name -> ID lookup. Support providing
the ID info to the library via the generated struct and
make library use it. Since NETLINK_ROUTE is ID 0 we need
an extra boolean to indicate classic_id is to be used.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250410014658.782120-8-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The rtnetlink family names are set to rt-$name within the YAML
but the files are called rt_$name. C codegen assumes that the
generated file name will match the family. The use of dashes
is in line with our general expectation that name properties
in the spec use dashes not underscores (even tho, as Donald
points out most genl families use underscores in the name).
We have 3 un-ideal options to choose from:
- accept the slight inconsistency with old families using _, or
- accept the slight annoyance with all languages having to do s/-/_/
when looking up family ID, or
- accept the inconsistency with all name properties in new YAML spec
being separated with - and just the family name always using _.
Pick option 1 and rename the rtnl spec files.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250410014658.782120-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Current release - regressions:
- core: hold instance lock during NETDEV_CHANGE
- rtnetlink: fix bad unlock balance in do_setlink().
- ipv6:
- fix null-ptr-deref in addrconf_add_ifaddr().
- align behavior across nexthops during path selection
Previous releases - regressions:
- sctp: prevent transport UaF in sendmsg
- mptcp: only inc MPJoinAckHMacFailure for HMAC failures
Previous releases - always broken:
- sched:
- make ->qlen_notify() idempotent
- ensure sufficient space when sending filter netlink notifications
- sch_sfq: really don't allow 1 packet limit
- netfilter: fix incorrect avx2 match of 5th field octet
- tls: explicitly disallow disconnect
- eth: octeontx2-pf: fix VF root node parent queue priority
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Paolo Abeni:
"Including fixes from netfilter.
Current release - regressions:
- core: hold instance lock during NETDEV_CHANGE
- rtnetlink: fix bad unlock balance in do_setlink()
- ipv6:
- fix null-ptr-deref in addrconf_add_ifaddr()
- align behavior across nexthops during path selection
Previous releases - regressions:
- sctp: prevent transport UaF in sendmsg
- mptcp: only inc MPJoinAckHMacFailure for HMAC failures
Previous releases - always broken:
- sched:
- make ->qlen_notify() idempotent
- ensure sufficient space when sending filter netlink notifications
- sch_sfq: really don't allow 1 packet limit
- netfilter: fix incorrect avx2 match of 5th field octet
- tls: explicitly disallow disconnect
- eth: octeontx2-pf: fix VF root node parent queue priority"
* tag 'net-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (38 commits)
ethtool: cmis_cdb: Fix incorrect read / write length extension
selftests: netfilter: add test case for recent mismatch bug
nft_set_pipapo: fix incorrect avx2 match of 5th field octet
net: ppp: Add bound checking for skb data on ppp_sync_txmung
net: Fix null-ptr-deref by sock_lock_init_class_and_name() and rmmod.
ipv6: Align behavior across nexthops during path selection
net: phy: allow MDIO bus PM ops to start/stop state machine for phylink-controlled PHY
net: phy: move phy_link_change() prior to mdio_bus_phy_may_suspend()
selftests/tc-testing: sfq: check that a derived limit of 1 is rejected
net_sched: sch_sfq: move the limit validation
net_sched: sch_sfq: use a temporary work area for validating configuration
net: libwx: handle page_pool_dev_alloc_pages error
selftests: mptcp: validate MPJoin HMacFailure counters
mptcp: only inc MPJoinAckHMacFailure for HMAC failures
rtnetlink: Fix bad unlock balance in do_setlink().
net: ethtool: Don't call .cleanup_data when prepare_data fails
tc: Ensure we have enough buffer space when sending filter netlink notifications
net: libwx: Fix the wrong Rx descriptor field
octeontx2-pf: qos: fix VF root node parent queue index
selftests: tls: check that disconnect does nothing
...
Without 'nft_set_pipapo: fix incorrect avx2 match of 5th field octet"
this fails:
TEST: reported issues
Add two elements, flush, re-add 1s [ OK ]
net,mac with reload 0s [ OK ]
net,port,proto 3s [ OK ]
avx2 false match 0s [FAIL]
False match for fe80:dead:01fe:0a02:0b03:6007:8009:a001
Other tests do not detect the kernel bug as they only alter parts in
the /64 netmask.
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Fixes tpm2, futex, and mincore tests. Creates a dedicated .gitignore
for tpm2
Details:
selftests: tpm2: test_smoke: use POSIX-conformant expression operator
selftests/futex: futex_waitv wouldblock test should fail
selftests: tpm2: create a dedicated .gitignore
selftests/mincore: Allow read-ahead pages to reach the end of the file
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Merge tag 'linux_kselftest-fixes-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- Fixes tpm2, futex, and mincore tests
- Create a dedicated .gitignore for tpm2 tests
* tag 'linux_kselftest-fixes-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/mincore: Allow read-ahead pages to reach the end of the file
selftests/futex: futex_waitv wouldblock test should fail
selftests: tpm2: test_smoke: use POSIX-conformant expression operator
selftests: tpm2: create a dedicated .gitignore
Because the limit is updated indirectly when other parameters are
updated, there are cases where even though the user requests a limit
of 2 it can actually be set to 1.
Add the following test cases to check that the kernel rejects them:
- limit 2 depth 1 flows 1
- limit 2 depth 1 divisor 1
Signed-off-by: Octavian Purdila <tavip@google.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes tool to report test count in case of a late test plan when tests
are specified before the test plan. Fixes spelling error in the commit
that went into 6.15-rc1.
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Merge tag 'linux_kselftest-kunit-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kunit fixes from Shuah Khan:
- Fix the tool to report test count in case of a late test plan when
tests are specified before the test plan
- Fix spelling error
* tag 'linux_kselftest-kunit-6.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kunit: Spelling s/slowm/slow/
kunit: tool: fix count of tests if late test plan
The parent commit fixes an issue around these counters where one of them
-- MPJoinAckHMacFailure -- was wrongly incremented in some cases.
This makes sure the counter is always 0. It should be incremented only
in case of corruption, or a wrong implementation, which should not be
the case in these selftests.
Reviewed-by: Geliang Tang <geliang@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250407-net-mptcp-hmac-failure-mib-v1-2-3c9ecd0a3a50@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
When running the mincore_selftest on a system with an XFS file system, it
failed the "check_file_mmap" test case due to the read-ahead pages reaching
the end of the file. The failure log is as below:
RUN global.check_file_mmap ...
mincore_selftest.c:264:check_file_mmap:Expected i (1024) < vec_size (1024)
mincore_selftest.c:265:check_file_mmap:Read-ahead pages reached the end of the file
check_file_mmap: Test failed
FAIL global.check_file_mmap
This is because the read-ahead window size of the XFS file system on this
machine is 4 MB, which is larger than the size from the #PF address to the
end of the file. As a result, all the pages for this file are populated.
blockdev --getra /dev/nvme0n1p5
8192
blockdev --getbsz /dev/nvme0n1p5
512
This issue can be fixed by extending the current FILE_SIZE 4MB to a larger
number, but it will still fail if the read-ahead window size of the file
system is larger enough. Additionally, in the real world, read-ahead pages
reaching the end of the file can happen and is an expected behavior.
Therefore, allowing read-ahead pages to reach the end of the file is a
better choice for the "check_file_mmap" test case.
Link: https://lore.kernel.org/r/20250311080940.21413-1-qiuxu.zhuo@intel.com
Reported-by: Yi Lai <yi1.lai@intel.com>
Signed-off-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Testcase should fail if -EWOULDBLOCK is not returned when expected value
differs from actual value from the waiter.
Link: https://lore.kernel.org/r/20250404221225.1596324-1-edliaw@google.com
Fixes: 9d57f7c797 ("selftests: futex: Test sys_futex_waitv() wouldblock")
Signed-off-by: Edward Liaw <edliaw@google.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix test count with late test plan.
For example,
TAP version 13
ok 1 test1
1..4
Returns a count of 1 passed, 1 crashed (because it expects tests after
the test plan): returning the total count of 2 tests
Change this to be 1 passed, 1 error: total count of 1 test
Link: https://lore.kernel.org/r/20250319223351.1517262-1-rmoar@google.com
Signed-off-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
Use POSIX-conformant expression operator symbol '='.
The use of the non POSIX-conformant symbol '==' would work
in bash, but not in sh where the unexpected operator error
would result in test_smoke.sh being skipped.
Instead of changing the shebang to use bash, which may not be
available on all systems, use the POSIX-conformant expression
symbol '=' to test for equality.
Without this patch:
===================
# make -j8 TARGETS=tpm2 kselftest
# selftests: tpm2: test_smoke.sh
# ./test_smoke.sh: 9: [: 2: unexpected operator
ok 1 selftests: tpm2: test_smoke.sh # SKIP
With this patch:
================
# make -j8 TARGETS=tpm2 kselftest
# selftests: tpm2: test_smoke.sh
# Ran 9 tests in 9.236s
ok 1 selftests: tpm2: test_smoke.sh
Link: https://lore.kernel.org/r/37ztyakgrrtgvec344mg7mspchwjpxxtsprtjidso3pwkmm4f4@awsa5mzgqmtb
Signed-off-by: Ahmed Salem <x0rw3ll@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The tpm2 selftests produce two logs: SpaceTest.log and
AsyncTest.log. Only SpaceTest.log was listed in selftests/.gitignore,
while AsyncTest.log remained untracked.
This change creates a dedicated .gitignore in the tpm2/ directory to
manage these entries, keeping tpm2-specific patterns isolated from
parent .gitignore.
Fixed white-space errors during commit
Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20250126195147.902608-1-khaledelnaggarlinux@gmail.com
Signed-off-by: Khaled Elnaggar <khaledelnaggarlinux@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
* Rework heuristics for resolving the fault IPA (HPFAR_EL2 v. re-walk
stage-1 page tables) to align with the architecture. This avoids
possibly taking an SEA at EL2 on the page table walk or using an
architecturally UNKNOWN fault IPA.
* Use acquire/release semantics in the KVM FF-A proxy to avoid reading
a stale value for the FF-A version.
* Fix KVM guest driver to match PV CPUID hypercall ABI.
* Use Inner Shareable Normal Write-Back mappings at stage-1 in KVM
selftests, which is the only memory type for which atomic
instructions are architecturally guaranteed to work.
s390:
* Don't use %pK for debug printing and tracepoints.
x86:
* Use a separate subclass when acquiring KVM's per-CPU posted interrupts
wakeup lock in the scheduled out path, i.e. when adding a vCPU on
the list of vCPUs to wake, to workaround a false positive deadlock.
The schedule out code runs with a scheduler lock that the wakeup
handler takes in the opposite order; but it does so with IRQs disabled
and cannot run concurrently with a wakeup.
* Explicitly zero-initialize on-stack CPUID unions
* Allow building irqbypass.ko as as module when kvm.ko is a module
* Wrap relatively expensive sanity check with KVM_PROVE_MMU
* Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses
selftests:
* Add more scenarios to the MONITOR/MWAIT test.
* Add option to rseq test to override /dev/cpu_dma_latency
* Bring list of exit reasons up to date
* Cleanup Makefile to list once tests that are valid on all architectures
Other:
* Documentation fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"ARM:
- Rework heuristics for resolving the fault IPA (HPFAR_EL2 v. re-walk
stage-1 page tables) to align with the architecture. This avoids
possibly taking an SEA at EL2 on the page table walk or using an
architecturally UNKNOWN fault IPA
- Use acquire/release semantics in the KVM FF-A proxy to avoid
reading a stale value for the FF-A version
- Fix KVM guest driver to match PV CPUID hypercall ABI
- Use Inner Shareable Normal Write-Back mappings at stage-1 in KVM
selftests, which is the only memory type for which atomic
instructions are architecturally guaranteed to work
s390:
- Don't use %pK for debug printing and tracepoints
x86:
- Use a separate subclass when acquiring KVM's per-CPU posted
interrupts wakeup lock in the scheduled out path, i.e. when adding
a vCPU on the list of vCPUs to wake, to workaround a false positive
deadlock. The schedule out code runs with a scheduler lock that the
wakeup handler takes in the opposite order; but it does so with
IRQs disabled and cannot run concurrently with a wakeup
- Explicitly zero-initialize on-stack CPUID unions
- Allow building irqbypass.ko as as module when kvm.ko is a module
- Wrap relatively expensive sanity check with KVM_PROVE_MMU
- Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses
selftests:
- Add more scenarios to the MONITOR/MWAIT test
- Add option to rseq test to override /dev/cpu_dma_latency
- Bring list of exit reasons up to date
- Cleanup Makefile to list once tests that are valid on all
architectures
Other:
- Documentation fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (26 commits)
KVM: arm64: Use acquire/release to communicate FF-A version negotiation
KVM: arm64: selftests: Explicitly set the page attrs to Inner-Shareable
KVM: arm64: selftests: Introduce and use hardware-definition macros
KVM: VMX: Use separate subclasses for PI wakeup lock to squash false positive
KVM: VMX: Assert that IRQs are disabled when putting vCPU on PI wakeup list
KVM: x86: Explicitly zero-initialize on-stack CPUID unions
KVM: Allow building irqbypass.ko as as module when kvm.ko is a module
KVM: x86/mmu: Wrap sanity check on number of TDP MMU pages with KVM_PROVE_MMU
KVM: selftests: Add option to rseq test to override /dev/cpu_dma_latency
KVM: x86: Acquire SRCU in KVM_GET_MP_STATE to protect guest memory accesses
Documentation: kvm: remove KVM_CAP_MIPS_TE
Documentation: kvm: organize capabilities in the right section
Documentation: kvm: fix some definition lists
Documentation: kvm: drop "Capability" heading from capabilities
Documentation: kvm: give correct name for KVM_CAP_SPAPR_MULTITCE
Documentation: KVM: KVM_GET_SUPPORTED_CPUID now exposes TSC_DEADLINE
selftests: kvm: list once tests that are valid on all architectures
selftests: kvm: bring list of exit reasons up to date
selftests: kvm: revamp MONITOR/MWAIT tests
KVM: arm64: Don't translate FAR if invalid/unsafe
...
- A number of cpuset remote partition related fixes and cleanups along with
selftest updates.
- A change from this merge window made cgroup_rstat_updated_list() called
outside cgroup_rstat_lock leading to list corruptions. Fix it by
relocating the call inside the lock.
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Merge tag 'cgroup-for-6.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup fixes from Tejun Heo:
- A number of cpuset remote partition related fixes and cleanups along
with selftest updates.
- A change from this merge window made cgroup_rstat_updated_list()
called outside cgroup_rstat_lock leading to list corruptions. Fix it
by relocating the call inside the lock.
* tag 'cgroup-for-6.15-rc1-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cgroup/cpuset: Fix race between newly created partition and dying one
cgroup: rstat: call cgroup_rstat_updated_list with cgroup_rstat_lock
selftest/cgroup: Add a remote partition transition test to test_cpuset_prs.sh
selftest/cgroup: Clean up and restructure test_cpuset_prs.sh
selftest/cgroup: Update test_cpuset_prs.sh to use | as effective CPUs and state separator
cgroup/cpuset: Remove unneeded goto in sched_partition_write() and rename it
cgroup/cpuset: Code cleanup and comment update
cgroup/cpuset: Don't allow creation of local partition over a remote one
cgroup/cpuset: Remove remote_partition_check() & make update_cpumasks_hier() handle remote partition
cgroup/cpuset: Fix error handling in remote_partition_disable()
cgroup/cpuset: Fix incorrect isolated_cpus update in update_parent_effective_cpumask()
Finish cleaning up the CRC kconfig options by removing the remaining
unnecessary prompts and an unnecessary 'default y', removing
CONFIG_LIBCRC32C, and documenting all the CRC library options.
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Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux
Pull CRC cleanups from Eric Biggers:
"Finish cleaning up the CRC kconfig options by removing the remaining
unnecessary prompts and an unnecessary 'default y', removing
CONFIG_LIBCRC32C, and documenting all the CRC library options"
* tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
lib/crc: remove CONFIG_LIBCRC32C
lib/crc: document all the CRC library kconfig options
lib/crc: remove unnecessary prompt for CONFIG_CRC_ITU_T
lib/crc: remove unnecessary prompt for CONFIG_CRC_T10DIF
lib/crc: remove unnecessary prompt for CONFIG_CRC16
lib/crc: remove unnecessary prompt for CONFIG_CRC_CCITT
lib/crc: remove unnecessary prompt for CONFIG_CRC32 and drop 'default y'
- Rework heuristics for resolving the fault IPA (HPFAR_EL2 v. re-walk
stage-1 page tables) to align with the architecture. This avoids
possibly taking an SEA at EL2 on the page table walk or using an
architecturally UNKNOWN fault IPA.
- Use acquire/release semantics in the KVM FF-A proxy to avoid reading
a stale value for the FF-A version.
- Fix KVM guest driver to match PV CPUID hypercall ABI.
- Use Inner Shareable Normal Write-Back mappings at stage-1 in KVM
selftests, which is the only memory type for which atomic
instructions are architecturally guaranteed to work.
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Merge tag 'kvmarm-fixes-6.15-1' of https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64: First batch of fixes for 6.15
- Rework heuristics for resolving the fault IPA (HPFAR_EL2 v. re-walk
stage-1 page tables) to align with the architecture. This avoids
possibly taking an SEA at EL2 on the page table walk or using an
architecturally UNKNOWN fault IPA.
- Use acquire/release semantics in the KVM FF-A proxy to avoid reading
a stale value for the FF-A version.
- Fix KVM guest driver to match PV CPUID hypercall ABI.
- Use Inner Shareable Normal Write-Back mappings at stage-1 in KVM
selftests, which is the only memory type for which atomic
instructions are architecturally guaranteed to work.
Add a test case for FQ_CODEL with ETS parent to verify packet drop
behavior when the queue becomes empty. This helps ensure proper
notification mechanisms between qdiscs.
Note this is best-effort, it is hard to play with those parameters
perfectly to always trigger ->qlen_notify().
Cc: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250403211636.166257-6-xiyou.wangcong@gmail.com
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test case for FQ_CODEL with DRR parent to verify packet drop
behavior when the queue becomes empty. This helps ensure proper
notification mechanisms between qdiscs.
Note this is best-effort, it is hard to play with those parameters
perfectly to always trigger ->qlen_notify().
Cc: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250403211636.166257-5-xiyou.wangcong@gmail.com
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test case for FQ_CODEL with HFSC parent to verify packet drop
behavior when the queue becomes empty. This helps ensure proper
notification mechanisms between qdiscs.
Note this is best-effort, it is hard to play with those parameters
perfectly to always trigger ->qlen_notify().
Cc: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250403211636.166257-4-xiyou.wangcong@gmail.com
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test case for FQ_CODEL with QFQ parent to verify packet drop
behavior when the queue becomes empty. This helps ensure proper
notification mechanisms between qdiscs.
Note this is best-effort, it is hard to play with those parameters
perfectly to always trigger ->qlen_notify().
Cc: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250403211636.166257-3-xiyou.wangcong@gmail.com
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Add a test case for FQ_CODEL with HTB parent to verify packet drop
behavior when the queue becomes empty. This helps ensure proper
notification mechanisms between qdiscs.
Note this is best-effort, it is hard to play with those parameters
perfectly to always trigger ->qlen_notify().
Cc: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Link: https://patch.msgid.link/20250403211636.166257-2-xiyou.wangcong@gmail.com
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
hds.py has been testing 0(set_hds_thresh_zero()),
MAX(set_hds_thresh_max()), GT(set_hds_thresh_gt()) values for hds-thresh.
However if a hds-thresh value was already 0, set_hds_thresh_zero()
can't test properly.
So, it tests random value first and then tests 0, MAX, GT values.
Testing bnxt:
TAP version 13
1..13
ok 1 hds.get_hds
ok 2 hds.get_hds_thresh
ok 3 hds.set_hds_disable # SKIP disabling of HDS not supported by
the device
ok 4 hds.set_hds_enable
ok 5 hds.set_hds_thresh_random
ok 6 hds.set_hds_thresh_zero
ok 7 hds.set_hds_thresh_max
ok 8 hds.set_hds_thresh_gt
ok 9 hds.set_xdp
ok 10 hds.enabled_set_xdp
ok 11 hds.ioctl
ok 12 hds.ioctl_set_xdp
ok 13 hds.ioctl_enabled_set_xdp
# Totals: pass:12 fail:0 xfail:0 xpass:0 skip:1 error:0
Testing lo:
TAP version 13
1..13
ok 1 hds.get_hds # SKIP tcp-data-split not supported by device
ok 2 hds.get_hds_thresh # SKIP hds-thresh not supported by device
ok 3 hds.set_hds_disable # SKIP ring-set not supported by the device
ok 4 hds.set_hds_enable # SKIP ring-set not supported by the device
ok 5 hds.set_hds_thresh_random # SKIP hds-thresh not supported by
device
ok 6 hds.set_hds_thresh_zero # SKIP ring-set not supported by the
device
ok 7 hds.set_hds_thresh_max # SKIP hds-thresh not supported by
device
ok 8 hds.set_hds_thresh_gt # SKIP hds-thresh not supported by device
ok 9 hds.set_xdp # SKIP tcp-data-split not supported by device
ok 10 hds.enabled_set_xdp # SKIP tcp-data-split not supported by
device
ok 11 hds.ioctl # SKIP tcp-data-split not supported by device
ok 12 hds.ioctl_set_xdp # SKIP tcp-data-split not supported by
device
ok 13 hds.ioctl_enabled_set_xdp # SKIP tcp-data-split not supported
by device
# Totals: pass:0 fail:0 xfail:0 xpass:0 skip:13 error:0
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250404122126.1555648-3-ap420073@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The "real" linux/types.h UAPI header gracefully degrades to a NOOP when
included from assembly code.
Mirror this behaviour in the tools/ variant.
Test for __ASSEMBLER__ over __ASSEMBLY__ as the former is provided by the
toolchain automatically.
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/lkml/af553c62-ca2f-4956-932c-dd6e3a126f58@sirena.org.uk/
Fixes: c9fbaa8795 ("selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers")
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Link: https://patch.msgid.link/20250321-uapi-consistency-v1-1-439070118dc0@linutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Support up to 8192 processors
Add cpuidle governor debug telemetry, disabled by default
Update default output to exclude cpuidle invocation counts
Bug fixes
Signed-off-by: Len Brown <len.brown@intel.com>
Create "pct_idle" counter group, the sofware notion of residency
so it can now be singled out, independent of other counter groups.
Create "cpuidle" group, the cpuidle invocation counts.
Disable "cpuidle", by default.
Create "swidle" = "cpuidle" + "pct_idle".
Undocument "sysfs", the old name for "swidle", but keep it working
for backwards compatibilty.
Create "hwidle", all the HW idle counters
Modify "idle", enabled by default
"idle" = "hwidle" + "pct_idle" (and now excludes "cpuidle")
Signed-off-by: Len Brown <len.brown@intel.com>
Atomic instructions such as 'ldset' in the guest have been observed to
cause an EL1 data abort with FSC 0x35 (IMPLEMENTATION DEFINED fault
(Unsupported Exclusive or Atomic access)) on Neoverse-N3.
Per DDI0487L.a B2.2.6, atomic instructions are only architecturally
guaranteed for Inner/Outer Shareable Normal Write-Back memory. For
anything else the behavior is IMPLEMENTATION DEFINED and can lose
atomicity, or, in this case, generate an abort.
It would appear that selftests sets up the stage-1 mappings as Non
Shareable, leading to the observed abort. Explicitly set the
Shareability field to Inner Shareable for non-LPA2 page tables. Note
that for the LPA2 page table format, translations for cacheable memory
inherit the shareability attribute of the PTW, i.e. TCR_ELx.SH{0,1}.
Suggested-by: Oliver Upton <oupton@google.com>
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Link: https://lore.kernel.org/r/20250405001042.1470552-3-rananta@google.com
[oliver: Rephrase changelog]
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
The kvm selftest library for arm64 currently configures the hardware
fields, such as shift and mask in the page-table entries and registers,
directly with numbers. While it add comments at places, it's better to
rewrite them with appropriate macros to improve the readability and
reduce the risk of errors. Hence, introduce macros to define the
hardware fields and use them in the arm64 processor library.
Most of the definitions are primary copied from the Linux's header,
arch/arm64/include/asm/pgtable-hwdef.h.
No functional change intended.
Suggested-by: Oliver Upton <oupton@google.com>
Signed-off-by: Raghavendra Rao Ananta <rananta@google.com>
Link: https://lore.kernel.org/r/20250405001042.1470552-2-rananta@google.com
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Probe cpuidle "sysfs" residency and counts separately,
since soon we will make one disabled on, and the
other disabled off.
Clarify that some BIC (build-in-counters) are actually "groups".
since we're about to re-name some of those groups.
no functional change.
Signed-off-by: Len Brown <len.brown@intel.com>
Do fflush() to discard the buffered data, before each read of the
graphics sysfs knobs.
Fixes: ba99a4fc8c ("tools/power turbostat: Remove unnecessary fflush() call")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Document that on Intel Granite Rapids Systems,
Uncore domains 0-2 are CPU domains, and
uncore domains 3-4 are IO domains.
Signed-off-by: Len Brown <len.brown@intel.com>
The CoreThr column displays total thermal throttling events
since boot time.
Change it to report events during the measurement interval.
This is more useful for showing a user the current conditions.
Total events since boot time are still available to the user via
/sys/devices/system/cpu/cpu*/thermal_throttle/*
Document CoreThr on turbostat.8
Fixes: eae97e053f ("turbostat: Support thermal throttle count print")
Reported-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Cc: Chen Yu <yu.c.chen@intel.com>
On systems with >= 1024 cpus (in my case 1152), turbostat fails with the error output:
"turbostat: /sys/fs/cgroup/cpuset.cpus.effective: cpu str malformat 0-1151"
A similar error appears with the use of turbostat --cpu when the inputted cpu
range contains a cpu number >= 1024:
# turbostat -c 1100-1151
"--cpu 1100-1151" malformed
...
Both errors are caused by parse_cpu_str() reaching its limit of CPU_SUBSET_MAXCPUS.
It's a good idea to limit the maximum cpu number being parsed, but 1024 is too low.
For a small increase in compute and allocated memory, increasing CPU_SUBSET_MAXCPUS
brings support for parsing cpu numbers >= 1024.
Increase CPU_SUBSET_MAXCPUS to 8192, a common setting for CONFIG_NR_CPUS on x86_64.
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The function hrtimer_init() doesn't exist anymore. It was replaced by
hrtimer_setup().
Thus, rename the hrtimer_init trace event to hrtimer_setup to keep it
consistent.
Signed-off-by: Nam Cao <namcao@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/all/cba84c3d853c5258aa3a262363a6eac08e2c7afc.1738746927.git.namcao@linutronix.de
All modules that need CONFIG_CRC_T10DIF already select it, so there is no
need to bother users about the option.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20250401221600.24878-5-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
* The sub-architecture selection Kconfig system has been cleaned up,
the documentation has been improved, and various detections have been
fixed.
* The vector-related extensions dependencies are now validated when
parsing from device tree and in the DT bindings.
* Misaligned access probing can be overridden via a kernel command-line
parameter, along with various fixes to misalign access handling.
* Support for relocatable !MMU kernels builds.
* Support for hpge pfnmaps, which should improve TLB utilization.
* Support for runtime constants, which improves the d_hash()
performance.
* Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm.
* Various fixes, including:
- We were missing a secondary mmu notifier call when flushing the
tlb which is required for IOMMU.
- Fix ftrace panics by saving the registers as expected by ftrace.
- Fix a couple of stimecmp usage related to cpu hotplug.
- purgatory_start is now aligned as per the STVEC requirements.
- A fix for hugetlb when calculating the size of non-present PTEs.
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Merge tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V updates from Palmer Dabbelt:
- The sub-architecture selection Kconfig system has been cleaned up,
the documentation has been improved, and various detections have been
fixed
- The vector-related extensions dependencies are now validated when
parsing from device tree and in the DT bindings
- Misaligned access probing can be overridden via a kernel command-line
parameter, along with various fixes to misalign access handling
- Support for relocatable !MMU kernels builds
- Support for hpge pfnmaps, which should improve TLB utilization
- Support for runtime constants, which improves the d_hash()
performance
- Support for bfloat16, Zicbom, Zaamo, Zalrsc, Zicntr, Zihpm
- Various fixes, including:
- We were missing a secondary mmu notifier call when flushing the
tlb which is required for IOMMU
- Fix ftrace panics by saving the registers as expected by ftrace
- Fix a couple of stimecmp usage related to cpu hotplug
- purgatory_start is now aligned as per the STVEC requirements
- A fix for hugetlb when calculating the size of non-present PTEs
* tag 'riscv-for-linus-6.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: (65 commits)
riscv: Add norvc after .option arch in runtime const
riscv: Make sure toolchain supports zba before using zba instructions
riscv/purgatory: 4B align purgatory_start
riscv/kexec_file: Handle R_RISCV_64 in purgatory relocator
selftests: riscv: fix v_exec_initval_nolibc.c
riscv: Fix hugetlb retrieval of number of ptes in case of !present pte
riscv: print hartid on bringup
riscv: Add norvc after .option arch in runtime const
riscv: Remove CONFIG_PAGE_OFFSET
riscv: Support CONFIG_RELOCATABLE on riscv32
asm-generic: Always define Elf_Rel and Elf_Rela
riscv: Support CONFIG_RELOCATABLE on NOMMU
riscv: Allow NOMMU kernels to access all of RAM
riscv: Remove duplicate CONFIG_PAGE_OFFSET definition
RISC-V: errata: Use medany for relocatable builds
dt-bindings: riscv: document vector crypto requirements
dt-bindings: riscv: add vector sub-extension dependencies
dt-bindings: riscv: d requires f
RISC-V: add f & d extension validation checks
RISC-V: add vector crypto extension validation checks
...
Current release - regressions:
- 4 fixes for the netdev per-instance locking
Current release - new code bugs:
- consolidate more code between existing Rx zero-copy and uring so that
the latter doesn't miss / have to duplicate the safety checks
Previous releases - regressions:
- ipv6: fix omitted Netlink attributes when using SKIP_STATS
Previous releases - always broken:
- net: fix geneve_opt length integer overflow
- udp: fix multiple wrap arounds of sk->sk_rmem_alloc when it
approaches INT_MAX
- dsa: mvpp2: add a lock to avoid corruption of the shared TCAM
- dsa: airoha: fix issues with traffic QoS configuration / offload,
and flow table offload
Misc:
- touch up the Netlink YAML specs of old families to make them usable
for user space C codegen
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter.
Current release - regressions:
- four fixes for the netdev per-instance locking
Current release - new code bugs:
- consolidate more code between existing Rx zero-copy and uring so
that the latter doesn't miss / have to duplicate the safety checks
Previous releases - regressions:
- ipv6: fix omitted Netlink attributes when using SKIP_STATS
Previous releases - always broken:
- net: fix geneve_opt length integer overflow
- udp: fix multiple wrap arounds of sk->sk_rmem_alloc when it
approaches INT_MAX
- dsa: mvpp2: add a lock to avoid corruption of the shared TCAM
- dsa: airoha: fix issues with traffic QoS configuration / offload,
and flow table offload
Misc:
- touch up the Netlink YAML specs of old families to make them usable
for user space C codegen"
* tag 'net-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (56 commits)
selftests: net: amt: indicate progress in the stress test
netlink: specs: rt_route: pull the ifa- prefix out of the names
netlink: specs: rt_addr: pull the ifa- prefix out of the names
netlink: specs: rt_addr: fix get multi command name
netlink: specs: rt_addr: fix the spec format / schema failures
net: avoid false positive warnings in __net_mp_close_rxq()
net: move mp dev config validation to __net_mp_open_rxq()
net: ibmveth: make veth_pool_store stop hanging
arcnet: Add NULL check in com20020pci_probe()
ipv6: Do not consider link down nexthops in path selection
ipv6: Start path selection from the first nexthop
usbnet:fix NPE during rx_complete
net: octeontx2: Handle XDP_ABORTED and XDP invalid as XDP_DROP
net: fix geneve_opt length integer overflow
io_uring/zcrx: fix selftests w/ updated netdev Python helpers
selftests: net: use netdevsim in netns test
docs: net: document netdev notifier expectations
net: dummy: request ops lock
netdevsim: add dummy device notifiers
net: rename rtnl_net_debug to lock_debug
...
Our CI expects output from the test at least once every 10 minutes.
The AMT test when running on debug kernel is just on the edge
of that time for the stress test. Improve the output:
- print the name of the test first, before starting it,
- output a dot every 10% of the way.
Output after:
TEST: amt discovery [ OK ]
TEST: IPv4 amt multicast forwarding [ OK ]
TEST: IPv6 amt multicast forwarding [ OK ]
TEST: IPv4 amt traffic forwarding torture .......... [ OK ]
TEST: IPv6 amt traffic forwarding torture .......... [ OK ]
Reviewed-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250403145636.2891166-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
YAML specs don't normally include the C prefix name in the name
of the YAML attr. Remove the ifa- prefix from all attributes
in addr-attrs and specify name-prefix instead.
This is a bit risky, hopefully there aren't many users out there.
Fixes: dfb0f7d9d9 ("doc/netlink: Add spec for rt addr messages")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250403013706.2828322-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Command names should match C defines, codegens may depend on it.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Fixes: 4f280376e5 ("selftests/net: Add selftest for IPv4 RTM_GETMULTICAST support")
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250403013706.2828322-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
