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2025-01-14selftests: acct: Add ksft_exit_skip if not running as rootShivam Chaudhary
If the selftest is not running as root, it should skip not fail and give an appropriate warning to the user. This patch adds ksft_exit_skip() if the test is not running as root. Logs: Before change: TAP version 13 1..1 ok 1 # SKIP This test needs root to run! After change: TAP version 13 1..1 ok 2 # SKIP This test needs root to run! Totals: pass:0 fail:0 xfail:0 xpass:0 skip:1 error:0 Link: https://lore.kernel.org/r/20241210123212.332050-1-cvam0000@gmail.com Signed-off-by: Shivam Chaudhary <cvam0000@gmail.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests: kselftest: Fix the wrong format specifierzhang jiao
The format specifier of "unsigned int" in printf() should be "%u", not "%d". Link: https://lore.kernel.org/r/20241202043111.3888-1-zhangjiao2@cmss.chinamobile.com Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests: timers: clocksource-switch: Adapt progress to kselftest frameworkGeert Uytterhoeven
When adapting the test to the kselftest framework, a few printf() calls indicating test progress were not updated. Fix this by replacing these printf() calls by ksft_print_msg() calls. Link: https://lore.kernel.org/r/7dd4b9ab6e43268846e250878ebf25ae6d3d01ce.1733994134.git.geert+renesas@glider.be Fixes: ce7d101750ff ("selftests: timers: clocksource-switch: adapt to kselftest framework") Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests/zram: gitignore output fileLi Zhijian
After `make run_tests`, the git status complains: Untracked files: (use "git add <file>..." to include in what will be committed) zram/err.log This file will be cleaned up when execute 'make clean' Link: https://lore.kernel.org/r/20241211004625.5308-1-lizhijian@fujitsu.com Cc: Shuah Khan <shuah@kernel.org> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests/filesystems: Add missing gitignore fileLi Zhijian
Compiled binary files should be added to .gitignore 'git status' complains: Untracked files: (use "git add <file>..." to include in what will be committed) filesystems/statmount/statmount_test_ns Link: https://lore.kernel.org/r/20241211004947.5806-1-lizhijian@fujitsu.com Cc: Shuah Khan <shuah@kernel.org> Cc: Christian Brauner <brauner@kernel.org> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Charlie Jenkins <charlie@rivosinc.com> Tested-by: Charlie Jenkins <charlie@rivosinc.com> Signed-off-by: Li Zhijian <lizhijian@fujitsu.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests: Warn about skipped tests in result summaryLaura Nao
Update the functions that print the test totals at the end of a selftest to include a warning message when skipped tests are detected. The message advises users that skipped tests may indicate missing configuration options and suggests enabling them to improve coverage. Link: https://lore.kernel.org/r/20241126093710.13314-1-laura.nao@collabora.com Signed-off-by: Laura Nao <laura.nao@collabora.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests: kselftest: Add ksft_test_result_xpassStefano Pigozzi
The functions ksft_test_result_pass, ksft_test_result_fail, ksft_test_result_xfail, and ksft_test_result_skip already exist and are available for use in selftests, but no XPASS equivalent is available. This adds a new function to that family that outputs XPASS, so that it's available for future test writers. Link: https://lore.kernel.org/r/20241207012325.56611-1-me@steffo.eu Signed-off-by: Stefano Pigozzi <me@steffo.eu> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests/vDSO: support DT_GNU_HASHFangrui Song
glibc added support for DT_GNU_HASH in 2006 and DT_HASH has been obsoleted for more than one decade in many Linux distributions. Many vDSOs support DT_GNU_HASH. This patch adds selftests support. Link: https://lore.kernel.org/r/20241206130724.7944-2-xry111@xry111.site Signed-off-by: Fangrui Song <i@maskray.me> Tested-by: Xi Ruoyao <xry111@xry111.site> Signed-off-by: Xi Ruoyao <xry111@xry111.site> # rebase Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests/ipc: Remove unused variableszhang jiao
Delete variables "msg" and "pid" that have never been used. Link: https://lore.kernel.org/r/20241202045827.4704-1-zhangjiao2@cmss.chinamobile.com Signed-off-by: zhang jiao <zhangjiao2@cmss.chinamobile.com> Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftest: media_tests: fix trivial UAF typoCarlos Llamas
Stumbled upon this typo while looking for something else. Link: https://lore.kernel.org/lkml/20241205194829.3449669-1-cmllamas@google.com/ Cc: Shuah Khan <shuah@kernel.org> Fixes: fe8777a8a0a1 ("selftests: add media controller regression test scripts and document") Signed-off-by: Carlos Llamas <cmllamas@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14kunit: enable hardware acceleration when availableTamir Duberstein
Use KVM or HVF if supported by the QEMU binary and available on the system. This produces a nice improvement on my Apple M3 Pro running macOS 14.7: Before: ./tools/testing/kunit/kunit.py exec --arch arm64 [HH:MM:SS] Elapsed time: 10.145s After: ./tools/testing/kunit/kunit.py exec --arch arm64 [HH:MM:SS] Elapsed time: 1.773s Signed-off-by: Tamir Duberstein <tamird@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14kunit: add fallback for os.sched_getaffinityTamir Duberstein
Python 3.13 added os.process_cpu_count as a cross-platform alternative for the Linux-only os.sched_getaffinity. Use it when it's available and provide a fallback when it's not. This allows kunit to run on macOS. Signed-off-by: Tamir Duberstein <tamird@gmail.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-14selftests: mptcp: avoid spurious errors on disconnectPaolo Abeni
The disconnect test-case generates spurious errors: INFO: disconnect INFO: extra options: -I 3 -i /tmp/tmp.r43niviyoI 01 ns1 MPTCP -> ns1 (10.0.1.1:10000 ) MPTCP (duration 140ms) [FAIL] file received by server does not match (in, out): Unexpected revents: POLLERR/POLLNVAL(19) -rw-r--r-- 1 root root 10028676 Jan 10 10:47 /tmp/tmp.r43niviyoI.disconnect Trailing bytes are: ��\����R���!8��u2��5N% -rw------- 1 root root 9992290 Jan 10 10:47 /tmp/tmp.Os4UbnWbI1 Trailing bytes are: ��\����R���!8��u2��5N% 02 ns1 MPTCP -> ns1 (dead:beef:1::1:10001) MPTCP (duration 206ms) [ OK ] 03 ns1 MPTCP -> ns1 (dead:beef:1::1:10002) TCP (duration 31ms) [ OK ] 04 ns1 TCP -> ns1 (dead:beef:1::1:10003) MPTCP (duration 26ms) [ OK ] [FAIL] Tests of the full disconnection have failed Time: 2 seconds The root cause is actually in the user-space bits: the test program currently disconnects as soon as all the pending data has been spooled, generating an FASTCLOSE. If such option reaches the peer before the latter has reached the closed status, the msk socket will report an error to the user-space, as per protocol specification, causing the above failure. Address the issue explicitly waiting for all the relevant sockets to reach a closed status before performing the disconnect. Fixes: 05be5e273c84 ("selftests: mptcp: add disconnect tests") Cc: stable@vger.kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250113-net-mptcp-connect-st-flakes-v1-3-0d986ee7b1b6@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-13tools/net/ynl: ethtool: support spec load from install locationDonald Hunter
Replace hard-coded paths for spec and schema with lookup functions so that ethtool.py will work in-tree or when installed. Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250111154803.7496-2-donald.hunter@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-13tools/net/ynl: add support for --family and --list-familiesDonald Hunter
Add a --family option to ynl to specify the spec by family name instead of file path, with support for searching in-tree and system install location and a --list-families option to show the available families. ./tools/net/ynl/pyynl/cli.py --family rt_addr --dump getaddr Signed-off-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250111154803.7496-1-donald.hunter@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-13pm: cpupower: Add missing residency header changes in cpuidle.h to SWIGJohn B. Wyatt IV
"tools/cpupower: display residency value in idle-info" added a new function to cpuidle.h. This patch adds them to the bindings. Link: https://lore.kernel.org/linux-pm/20240809083728.266697-1-aboorvad@linux.ibm.com/ Tested by compiling both libcpupower and the headers; running the test script that does not use the functions as a basic sanity test. Link: https://lore.kernel.org/r/20250108221852.30771-1-jwyatt@redhat.com Signed-off-by: "John B. Wyatt IV" <jwyatt@redhat.com> Signed-off-by: "John B. Wyatt IV" <sageofredondo@gmail.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2025-01-13selftests/nolibc: add configurations for riscv32Thomas Weißschuh
nolibc already supports riscv32. Wire it up in the testsuite. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-6-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13selftests/nolibc: rename riscv to riscv64Thomas Weißschuh
riscv32 support is about the be added. To keep the naming clear and consistent with other architectures rename riscv to riscv64, as that is what it actually represents. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-5-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13selftests/nolibc: skip tests for unimplemented syscallsThomas Weißschuh
The riscv32 architecture is missing many of the older syscalls. Instead of providing wrappers for everything at once, introducing a lot of complexity, skip the tests for those syscalls for now. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-4-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13selftests/nolibc: use a pipe to in vfprintf testsThomas Weißschuh
Not all architectures implement lseek(), for example riscv32 only implements llseek() which is not equivalent to normal lseek(). Remove the need for lseek() by using a pipe instead. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-3-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13selftests/nolibc: use waitid() over waitpid()Thomas Weißschuh
Newer archs like riscv32 don't provide waitpid() anymore. Switch to waitid() which is available everywhere. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-2-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13tools/nolibc: add support for waitid()Thomas Weißschuh
waitid() is the modern variant of the family of wait-like syscalls. Some architectures have dropped support for wait(), wait4() and waitpid() but all of them support waitid(). It is more flexible and easier to use than the older ones. Link: https://lore.kernel.org/r/20241221-nolibc-rv32-v1-1-d9ef6dab7c63@weissschuh.net Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
2025-01-13Merge tag 'mm-hotfixes-stable-2025-01-13-00-03' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "18 hotfixes. 11 are cc:stable. 13 are MM and 5 are non-MM. All patches are singletons - please see the relevant changelogs for details" * tag 'mm-hotfixes-stable-2025-01-13-00-03' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: fs/proc: fix softlockup in __read_vmcore (part 2) mm: fix assertion in folio_end_read() mm: vmscan : pgdemote vmstat is not getting updated when MGLRU is enabled. vmstat: disable vmstat_work on vmstat_cpu_down_prep() zram: fix potential UAF of zram table selftests/mm: set allocated memory to non-zero content in cow test mm: clear uffd-wp PTE/PMD state on mremap() module: fix writing of livepatch relocations in ROX text mm: zswap: properly synchronize freeing resources during CPU hotunplug Revert "mm: zswap: fix race between [de]compression and CPU hotunplug" hugetlb: fix NULL pointer dereference in trace_hugetlbfs_alloc_inode mm: fix div by zero in bdi_ratio_from_pages x86/execmem: fix ROX cache usage in Xen PV guests filemap: avoid truncating 64-bit offset to 32 bits tools: fix atomic_set() definition to set the value correctly mm/mempolicy: count MPOL_WEIGHTED_INTERLEAVE to "interleave_hit" scripts/decode_stacktrace.sh: fix decoding of lines with an additional info mm/kmemleak: fix percpu memory leak detection failure
2025-01-12selftests/mm: set allocated memory to non-zero content in cow testRyan Roberts
After commit b1f202060afe ("mm: remap unused subpages to shared zeropage when splitting isolated thp"), cow test cases involving swapping out THPs via madvise(MADV_PAGEOUT) started to be skipped due to the subsequent check via pagemap determining that the memory was not actually swapped out. Logs similar to this were emitted: ... # [RUN] Basic COW after fork() ... with swapped-out, PTE-mapped THP (16 kB) ok 2 # SKIP MADV_PAGEOUT did not work, is swap enabled? # [RUN] Basic COW after fork() ... with single PTE of swapped-out THP (16 kB) ok 3 # SKIP MADV_PAGEOUT did not work, is swap enabled? # [RUN] Basic COW after fork() ... with swapped-out, PTE-mapped THP (32 kB) ok 4 # SKIP MADV_PAGEOUT did not work, is swap enabled? ... The commit in question introduces the behaviour of scanning THPs and if their content is predominantly zero, it splits them and replaces the pages which are wholly zero with the zero page. These cow test cases were getting caught up in this. So let's avoid that by filling the contents of all allocated memory with a non-zero value. With this in place, the tests are passing again. Link: https://lkml.kernel.org/r/20250107142555.1870101-1-ryan.roberts@arm.com Fixes: b1f202060afe ("mm: remap unused subpages to shared zeropage when splitting isolated thp") Signed-off-by: Ryan Roberts <ryan.roberts@arm.com> Acked-by: David Hildenbrand <david@redhat.com> Cc: Usama Arif <usamaarif642@gmail.com> Cc: Yu Zhao <yuzhao@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-01-12tools: fix atomic_set() definition to set the value correctlySuren Baghdasaryan
Currently vma test is failing because of the new vma_assert_attached() assertion. The check is failing because previous refcount_set() inside vma_mark_attached() is a NoOp. Fix the definition of atomic_set() to correctly set the value of the atomic. Link: https://lkml.kernel.org/r/20241227222220.1726384-1-surenb@google.com Fixes: 9325b8b5a1cb ("tools: add skeleton code for userland testing of VMA logic") Signed-off-by: Suren Baghdasaryan <surenb@google.com> Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Cc: Jann Horn <jannh@google.com> Cc: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2025-01-12Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds
Pull kvm fixes from Paolo Bonzini: "The largest part here is for KVM/PPC, where a NULL pointer dereference was introduced in the 6.13 merge window and is now fixed. There's some "holiday-induced lateness", as the s390 submaintainer put it, but otherwise things looks fine. s390: - fix a latent bug when the kernel is compiled in debug mode - two small UCONTROL fixes and their selftests arm64: - always check page state in hyp_ack_unshare() - align set_id_regs selftest with the fact that ASIDBITS field is RO - various vPMU fixes for bugs that only affect nested virt PPC e500: - Fix a mostly impossible (but just wrong) case where IRQs were never re-enabled - Observe host permissions instead of mapping readonly host pages as guest-writable. This fixes a NULL-pointer dereference in 6.13 - Replace brittle VMA-based attempts at building huge shadow TLB entries with PTE lookups" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: e500: perform hugepage check after looking up the PFN KVM: e500: map readonly host pages for read KVM: e500: track host-writability of pages KVM: e500: use shadow TLB entry as witness for writability KVM: e500: always restore irqs KVM: s390: selftests: Add has device attr check to uc_attr_mem_limit selftest KVM: s390: selftests: Add ucontrol gis routing test KVM: s390: Reject KVM_SET_GSI_ROUTING on ucontrol VMs KVM: s390: selftests: Add ucontrol flic attr selftests KVM: s390: Reject setting flic pfault attributes on ucontrol VMs KVM: s390: vsie: fix virtual/physical address in unpin_scb() KVM: arm64: Only apply PMCR_EL0.P to the guest range of counters KVM: arm64: nv: Reload PMU events upon MDCR_EL2.HPME change KVM: arm64: Use KVM_REQ_RELOAD_PMU to handle PMCR_EL0.E change KVM: arm64: Add unified helper for reprogramming counters by mask KVM: arm64: Always check the state from hyp_ack_unshare() KVM: arm64: Fix set_id_regs selftest for ASIDBITS becoming unwritable
2025-01-12Merge tag 'kvm-s390-master-6.13-1' of ↵Paolo Bonzini
https://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD KVM: s390: three small bugfixes Fix a latent bug when the kernel is compiled in debug mode. Two small UCONTROL fixes and their selftests.
2025-01-12Merge tag 'kvmarm-fixes-6.13-3' of ↵Paolo Bonzini
https://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD KVM/arm64 changes for 6.13, part #3 - Always check page state in hyp_ack_unshare() - Align set_id_regs selftest with the fact that ASIDBITS field is RO - Various vPMU fixes for bugs that only affect nested virt
2025-01-11selftests/powerpc: Fix argument order to timer_sub()Michael Ellerman
Commit c814bf958926 ("powerpc/selftests: Use timersub() for gettimeofday()"), got the order of arguments to timersub() wrong, leading to a negative time delta being reported, eg: test: gettimeofday tags: git_version:v6.12-rc5-409-gdddf291c3030 time = -3.297781 success: gettimeofday The correct order is minuend, subtrahend, which in this case is end, start. Which gives: test: gettimeofday tags: git_version:v6.12-rc5-409-gdddf291c3030-dirty time = 3.300650 success: gettimeofday Fixes: c814bf958926 ("powerpc/selftests: Use timersub() for gettimeofday()") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20241218114347.428108-1-mpe@ellerman.id.au
2025-01-10selftests: bonding: add ipvlan over bond testingEtienne Champetier
This rework bond_macvlan.sh into bond_macvlan_ipvlan.sh We only test bridge mode for macvlan and l2 mode ]# ./bond_macvlan_ipvlan.sh TEST: active-backup/macvlan_bridge: IPv4: client->server [ OK ] ... TEST: active-backup/ipvlan_l2: IPv4: client->server [ OK ] ... TEST: balance-tlb/macvlan_bridge: IPv4: client->server [ OK ] ... TEST: balance-tlb/ipvlan_l2: IPv4: client->server [ OK ] ... TEST: balance-alb/macvlan_bridge: IPv4: client->server [ OK ] ... TEST: balance-alb/ipvlan_l2: IPv4: client->server [ OK ] ... Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com> Link: https://patch.msgid.link/20250109032819.326528-3-champetier.etienne@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-10Merge tag 'cgroup-for-6.13-rc6-fixes' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup Pull cgroup fixes from Tejun Heo: "Cpuset fixes: - Fix isolated CPUs leaking into sched domains - Remove now unnecessary kernfs active break which can trigger a warning - Comment updates" * tag 'cgroup-for-6.13-rc6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup: cgroup/cpuset: remove kernfs active break cgroup/cpuset: Prevent leakage of isolated CPUs into sched domains cgroup/cpuset: Remove stale text
2025-01-10Merge tag 'linux-cpupower-6.14-rc1' of ↵Rafael J. Wysocki
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shuah/linux Merge cpupower utility updates for 6.14 from Shuah Khan: "Several fixes, cleanups and AMD support enhancements: - fix TSC MHz calculation - Add install and uninstall options to bindings makefile - Add header changes for cpufreq.h to SWIG bindings - selftests/cpufreq: gitignore output files and clean them in make clean - Remove spurious return statement - Add support for parsing 'enabled' or 'disabled' strings from table - Add support for amd-pstate preferred core rankings - Don't try to read frequency from hardware when kernel uses aperf mperf - Add support for showing energy performance preference - Don't fetch maximum latency when EPP is enabled - Adjust whitespace for amd-pstate specific prints - Fix cross compilation - revise is_valid flag handling for idle_monitor" * tag 'linux-cpupower-6.14-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/shuah/linux: pm: cpupower: Add header changes for cpufreq.h to SWIG bindings pm: cpupower: Add install and uninstall options to bindings makefile cpupower: Adjust whitespace for amd-pstate specific prints cpupower: Don't fetch maximum latency when EPP is enabled cpupower: Add support for showing energy performance preference cpupower: Don't try to read frequency from hardware when kernel uses aperfmperf cpupower: Add support for amd-pstate preferred core rankings cpupower: Add support for parsing 'enabled' or 'disabled' strings from table cpupower: Remove spurious return statement cpupower: fix TSC MHz calculation cpupower: revise is_valid flag handling for idle_monitor pm: cpupower: Makefile: Fix cross compilation selftests/cpufreq: gitignore output files and clean them in make clean
2025-01-10Merge tag 'riscv-for-linus-6.13-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux Pull RISC-V fixes from Palmer Dabbelt: - a handful of selftest fixes - fix a memory leak in relocation processing during module loading - avoid sleeping in die() - fix kprobe instruction slot address calculations - fix DT node reference leak in SBI idle probing - avoid initializing out of bounds pages on sparse vmemmap systems with a gap at the start of their physical memory map - fix backtracing through exceptions - _Q_PENDING_LOOPS is now defined whenever QUEUED_SPINLOCKS=y - local labels in entry.S are now marked with ".L", which prevents them from trashing backtraces - a handful of fixes for SBI-based performance counters * tag 'riscv-for-linus-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux: drivers/perf: riscv: Do not allow invalid raw event config drivers/perf: riscv: Return error for default case drivers/perf: riscv: Fix Platform firmware event data tools: selftests: riscv: Add test count for vstate_prctl tools: selftests: riscv: Add pass message for v_initval_nolibc riscv: use local label names instead of global ones in assembly riscv: qspinlock: Fixup _Q_PENDING_LOOPS definition riscv: stacktrace: fix backtracing through exceptions riscv: mm: Fix the out of bound issue of vmemmap address cpuidle: riscv-sbi: fix device node release in early exit of for_each_possible_cpu riscv: kprobes: Fix incorrect address calculation riscv: Fix sleeping in invalid context in die() riscv: module: remove relocation_head rel_entry member allocation riscv: selftests: Fix warnings pointer masking test
2025-01-10perf docs: arm_spe: Document new discard modeJames Clark
Document the flag along with PMU events to hint what it's used for and give an example with other useful options to get minimal output. Reviewed-by: Yeoreum Yun <yeoreum.yun@arm.com> Signed-off-by: James Clark <james.clark@linaro.org> Link: https://lore.kernel.org/r/20250108142904.401139-3-james.clark@linaro.org Signed-off-by: Will Deacon <will@kernel.org>
2025-01-09netconsole: selftest: verify userdata entry limitBreno Leitao
Add a new selftest for netconsole that tests the userdata entry limit functionality. The test performs two key verifications: 1. Create MAX_USERDATA_ITEMS (16) userdata entries successfully 2. Confirm that attempting to create an additional userdata entry fails The selftest script uses the netcons library and checks the behavior by attempting to create entries beyond the maximum allowed limit. Signed-off-by: Breno Leitao <leitao@debian.org> Tested-by: Simon Horman <horms@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250108-netcons_overflow_test-v3-4-3d85eb091bec@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09netconsole: selftest: Delete all userdata keysBreno Leitao
Modify the cleanup function to remove all userdata keys created during the test, instead of just deleting a single predefined key. This ensures a more thorough cleanup of temporary resources. Move the KEY_PATH variable definition inside the set_user_data function to reduce global variables and improve encapsulation. The KEY_PATH variable is now dynamically created when setting user data. This change has no effect on the current test, while improving an upcoming test that would create several userdata entries. Signed-off-by: Breno Leitao <leitao@debian.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250108-netcons_overflow_test-v3-3-3d85eb091bec@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09netconsole: selftest: Split the helpers from the selftestBreno Leitao
Split helper functions from the netconsole basic test into a separate library file to enable reuse across different netconsole tests. This change only moves the existing helper functions to lib/sh/lib_netcons.sh while preserving the same test functionality. The helpers provide common functions for: - Setting up network namespaces and interfaces - Managing netconsole dynamic targets - Setting user data - Handling test dependencies - Cleanup operations Do not make any change in the code, other than the mechanical separation. Signed-off-by: Breno Leitao <leitao@debian.org> Tested-by: Simon Horman <horms@kernel.org> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250108-netcons_overflow_test-v3-2-3d85eb091bec@debian.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski
Cross-merge networking fixes after downstream PR (net-6.13-rc7). Conflicts: a42d71e322a8 ("net_sched: sch_cake: Add drop reasons") 737d4d91d35b ("sched: sch_cake: add bounds checks to host bulk flow fairness counts") Adjacent changes: drivers/net/ethernet/meta/fbnic/fbnic.h 3a856ab34726 ("eth: fbnic: add IRQ reuse support") 95978931d55f ("eth: fbnic: Revert "eth: fbnic: Add hardware monitoring support via HWMON interface"") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09tools: ynl: add main install targetJan Stancek
This will install C library, specs, rsts and pyynl. The initial structure is: $ mkdir /tmp/myroot $ make DESTDIR=/tmp/myroot install /usr /usr/lib64 /usr/lib64/libynl.a /usr/lib/python3.XX/site-packages/pyynl/* /usr/lib/python3.XX/site-packages/pyynl-0.0.1.dist-info/* /usr/bin /usr/bin/ynl /usr/bin/ynl-ethtool /usr/include/ynl/*.h /usr/share /usr/share/doc /usr/share/doc/ynl /usr/share/doc/ynl/*.rst /usr/share/ynl /usr/share/ynl/genetlink-c.yaml /usr/share/ynl/genetlink-legacy.yaml /usr/share/ynl/genetlink.yaml /usr/share/ynl/netlink-raw.yaml /usr/share/ynl/specs /usr/share/ynl/specs/devlink.yaml /usr/share/ynl/specs/dpll.yaml /usr/share/ynl/specs/ethtool.yaml /usr/share/ynl/specs/fou.yaml /usr/share/ynl/specs/handshake.yaml /usr/share/ynl/specs/mptcp_pm.yaml /usr/share/ynl/specs/netdev.yaml /usr/share/ynl/specs/net_shaper.yaml /usr/share/ynl/specs/nfsd.yaml /usr/share/ynl/specs/nftables.yaml /usr/share/ynl/specs/nlctrl.yaml /usr/share/ynl/specs/ovs_datapath.yaml /usr/share/ynl/specs/ovs_flow.yaml /usr/share/ynl/specs/ovs_vport.yaml /usr/share/ynl/specs/rt_addr.yaml /usr/share/ynl/specs/rt_link.yaml /usr/share/ynl/specs/rt_neigh.yaml /usr/share/ynl/specs/rt_route.yaml /usr/share/ynl/specs/rt_rule.yaml /usr/share/ynl/specs/tcp_metrics.yaml /usr/share/ynl/specs/tc.yaml /usr/share/ynl/specs/team.yaml Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Reviewed-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/c882688d751295c7f35c7d4eba104cd5174a0861.1736343575.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09tools: ynl: add install target for generated contentJan Stancek
Generate docs using ynl_gen_rst and add install target for headers, specs and generates rst files. Factor out SPECS_DIR since it's repeated many times. Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/645c68e3d201f1ef4276e3daddfe06262a0c2804.1736343575.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09tools: ynl: add initial pyproject.toml for packagingJan Stancek
Add pyproject.toml and define authors, dependencies and user-facing scripts. This will be used later by pip to install python code. Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/b184b43340f08aef97387bfd7f2b2cd9b015c343.1736343575.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09tools: ynl: move python code to separate sub-directoryJan Stancek
Move python code to a separate directory so it can be packaged as a python module. Updates existing references in selftests and docs. Also rename ynl-gen-[c|rst] to ynl_gen_[c|rst], avoid dashes as these prevent easy imports for entrypoints. Signed-off-by: Jan Stancek <jstancek@redhat.com> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/a4151bad0e6984e7164d395125ce87fd2e048bf1.1736343575.git.jstancek@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09tools: ynl-gen-c: improve support for empty nestsJakub Kicinski
Empty nests are the same size as a flag at the netlink level (just a 4 byte nlattr without a payload). They are sometimes useful in case we want to only communicate a presence of something but may want to add more details later. This may be the case in the upcoming io_uring ZC patches, for example. Improve handling of nested empty structs. We already support empty structs since a lot of netlink replies are empty, but for nested ones we need minor tweaks to avoid pointless empty lines and unused variables. Acked-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Link: https://patch.msgid.link/20250108200758.2693155-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-09Merge tag 'net-6.13-rc7' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, Bluetooth and WPAN. No outstanding fixes / investigations at this time. Current release - new code bugs: - eth: fbnic: revert HWMON support, it doesn't work at all and revert is similar size as the fixes Previous releases - regressions: - tcp: allow a connection when sk_max_ack_backlog is zero - tls: fix tls_sw_sendmsg error handling Previous releases - always broken: - netdev netlink family: - prevent accessing NAPI instances from another namespace - don't dump Tx and uninitialized NAPIs - net: sysctl: avoid using current->nsproxy, fix null-deref if task is exiting and stick to opener's netns - sched: sch_cake: add bounds checks to host bulk flow fairness counts Misc: - annual cleanup of inactive maintainers" * tag 'net-6.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (57 commits) rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy sctp: sysctl: udp_port: avoid using current->nsproxy sctp: sysctl: auth_enable: avoid using current->nsproxy sctp: sysctl: rto_min/max: avoid using current->nsproxy sctp: sysctl: cookie_hmac_alg: avoid using current->nsproxy mptcp: sysctl: blackhole timeout: avoid using current->nsproxy mptcp: sysctl: sched: avoid using current->nsproxy mptcp: sysctl: avail sched: remove write access MAINTAINERS: remove Lars Povlsen from Microchip Sparx5 SoC MAINTAINERS: remove Noam Dagan from AMAZON ETHERNET MAINTAINERS: remove Ying Xue from TIPC MAINTAINERS: remove Mark Lee from MediaTek Ethernet MAINTAINERS: mark stmmac ethernet as an Orphan MAINTAINERS: remove Andy Gospodarek from bonding MAINTAINERS: update maintainers for Microchip LAN78xx MAINTAINERS: mark Synopsys DW XPCS as Orphan net/mlx5: Fix variable not being completed when function returns rtase: Fix a check for error in rtase_alloc_msix() net: stmmac: dwmac-tegra: Read iommu stream id from device tree ...
2025-01-09Merge patch series "selftest: fix riscv/vector tests"Palmer Dabbelt
This contains a pair of fixes for the vector self tests, which avoids some warnings and provides proper status messages. * b4-shazam-merge: tools: selftests: riscv: Add test count for vstate_prctl tools: selftests: riscv: Add pass message for v_initval_nolibc Link: https://lore.kernel.org/r/20241220091730.28006-1-yongxuan.wang@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2025-01-09tools: selftests: riscv: Add test count for vstate_prctlYong-Xuan Wang
Add the test count to drop the warning message. "Planned tests != run tests (0 != 1)" Fixes: 7cf6198ce22d ("selftests: Test RISC-V Vector prctl interface") Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Andy Chiu <AndybnAC@gmail.com> Link: https://lore.kernel.org/r/20241220091730.28006-3-yongxuan.wang@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2025-01-09tools: selftests: riscv: Add pass message for v_initval_nolibcYong-Xuan Wang
Add the pass message after we successfully complete the test. Fixes: 5c93c4c72fbc ("selftests: Test RISC-V Vector's first-use handler") Signed-off-by: Yong-Xuan Wang <yongxuan.wang@sifive.com> Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Reviewed-by: Andy Chiu <AndybnAC@gmail.com> Link: https://lore.kernel.org/r/20241220091730.28006-2-yongxuan.wang@sifive.com Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
2025-01-09selftests: add listmount() iteration testsChristian Brauner
Add a forward and backward iteration test for listmount(). Link: https://lore.kernel.org/r/20241215-vfs-6-14-mount-work-v1-3-fd55922c4af8@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-01-09selftests: remove unneeded includeChristian Brauner
The pidfd header will be included in a sample program and this pulls in all the mount definitions that would be causing problems. Link: https://lore.kernel.org/r/20241213-work-mount-rbtree-lockless-v3-9-6e3cdaf9b280@kernel.org Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-01-09selftests: add tests for mntns iterationChristian Brauner
Test that forward and backward iteration works correctly. Link: https://lore.kernel.org/r/20241213-work-mount-rbtree-lockless-v3-8-6e3cdaf9b280@kernel.org Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
generated by cgit (git 2.34.1) at 2025-09-22 12:34:23 +0000