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2025-03-06KVM: riscv: selftests: Change command line optionAtish Patra1-14/+26
The PMU test commandline option takes an argument to disable a certain test. The initial assumption behind this was a common use case is just to run all the test most of the time. However, running a single test seems more useful instead. Especially, the overflow test has been helpful to validate PMU virtualizaiton interrupt changes. Switching the command line option to run a single test instead of disabling a single test also allows to provide additional test specific arguments to the test. The default without any options remains unchanged which continues to run all the tests. Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20250303-kvm_pmu_improve-v2-3-41d177e45929@rivosinc.com Signed-off-by: Anup Patel <anup@brainfault.org>
2025-03-06KVM: riscv: selftests: Do not start the counter in the overflow handlerAtish Patra1-7/+2
There is no need to start the counter in the overflow handler as we intend to trigger precise number of LCOFI interrupts through these tests. The overflow irq handler has already stopped the counter. As a result, the stop call from the test function may return already stopped error which is fine as well. Reviewed-by: Andrew Jones <ajones@ventanamicro.com> Signed-off-by: Atish Patra <atishp@rivosinc.com> Link: https://lore.kernel.org/r/20250303-kvm_pmu_improve-v2-2-41d177e45929@rivosinc.com Signed-off-by: Anup Patel <anup@brainfault.org>
2025-03-05kselftest/arm64: mte: Skip the hugetlb tests if MTE not supported on such ↵Catalin Marinas1-0/+11
mappings While the kselftest was added at the same time with the kernel support for MTE on hugetlb mappings, the tests may be run on older kernels. Skip the tests if PROT_MTE is not supported on MAP_HUGETLB mappings. Fixes: 27879e8cb6b0 ("selftests: arm64: add hugetlb mte tests") Cc: Yang Shi <yang@os.amperecomputing.com> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Reviewed-by: Dev Jain <dev.jain@arm.com> Reviewed-by: Yang Shi <yang@os.amperecomputing.com> Link: https://lore.kernel.org/r/20250221093331.2184245-3-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-05kselftest/arm64: mte: Use the correct naming for tag check modes in ↵Catalin Marinas1-4/+4
check_hugetlb_options.c The architecture doesn't define precise/imprecise MTE tag check modes, only synchronous and asynchronous. Use the correct naming and also ensure they match the MTE_{ASYNC,SYNC}_ERR type. Fixes: 27879e8cb6b0 ("selftests: arm64: add hugetlb mte tests") Cc: Yang Shi <yang@os.amperecomputing.com> Reviewed-by: Yang Shi <yang@os.amperecomputing.com> Link: https://lore.kernel.org/r/20250221093331.2184245-2-catalin.marinas@arm.com Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2025-03-05testptp: Add option to open PHC in readonly modeWojtek Wasko1-14/+23
PTP Hardware Clocks no longer require WRITE permission to perform readonly operations, such as listing device capabilities or listening to EXTTS events once they have been enabled by a process with WRITE permissions. Add '-r' option to testptp to open the PHC in readonly mode instead of the default read-write mode. Skip enabling EXTTS if readonly mode is requested. Acked-by: Richard Cochran <richardcochran@gmail.com> Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> Signed-off-by: Wojtek Wasko <wwasko@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2025-03-05selftests/pidfd: add seventh PIDFD_INFO_EXIT selftestChristian Brauner5-0/+147
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-16-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add sixth PIDFD_INFO_EXIT selftestChristian Brauner2-0/+155
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-15-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add fifth PIDFD_INFO_EXIT selftestChristian Brauner1-0/+23
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-14-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add fourth PIDFD_INFO_EXIT selftestChristian Brauner1-0/+18
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-13-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add third PIDFD_INFO_EXIT selftestChristian Brauner1-0/+16
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-12-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add second PIDFD_INFO_EXIT selftestChristian Brauner1-0/+18
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-11-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: add first PIDFD_INFO_EXIT selftestChristian Brauner4-2/+153
Add a selftest for PIDFD_INFO_EXIT behavior. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-10-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: expand common pidfd headerChristian Brauner3-71/+78
Move more infrastructure to the pidfd header. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-9-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05pidfs/selftests: ensure correct headers for ioctl handlingChristian Brauner1-1/+1
Ensure that necessary ioctl infrastructure is available. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-8-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-05selftests/pidfd: fix header inclusionChristian Brauner1-0/+1
Ensure that necessary defines are present. Link: https://lore.kernel.org/r/20250305-work-pidfs-kill_on_last_close-v3-7-c8c3d8361705@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04Merge branches 'docs.2025.02.04a', 'lazypreempt.2025.03.04a', ↵Boqun Feng5-3/+12
'misc.2025.03.04a', 'srcu.2025.02.05a' and 'torture.2025.02.05a'
2025-03-04rcutorture: Make scenario TREE07 build CONFIG_PREEMPT_LAZY=yPaul E. McKenney1-1/+2
This commit tests lazy preemption by causing the TREE07 rcutorture scenario to build its kernel with CONFIG_PREEMPT_LAZY=y. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
2025-03-04rcutorture: Make scenario TREE10 build CONFIG_PREEMPT_LAZY=yPaul E. McKenney1-1/+2
This commit tests lazy preemption by causing the TREE10 rcutorture scenario to build its kernel with CONFIG_PREEMPT_LAZY=y. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
2025-03-04rcu: Update TREE05.boot to test normal synchronize_rcu()Uladzislau Rezki (Sony)1-0/+6
Add extra parameters for rcutorture module. One is the "nfakewriters" which is set -1. There will be created number of test-kthreads which correspond to number of CPUs in a test system. Those threads randomly invoke synchronize_rcu() call. Apart of that "rcu_normal" is set to 1, because it is specifically for a normal synchronize_rcu() testing, also a newly added parameter which is "rcu_normal_wake_from_gp" is set to 1 also. That prevents interaction with other callbacks in a system. Reviewed-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com> Link: https://lore.kernel.org/r/20250227131613.52683-2-urezki@gmail.com Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
2025-03-04selftests: drv-net: use env.rpath in the HDS testJakub Kicinski1-2/+1
Commit 29b036be1b0b ("selftests: drv-net: test XDP, HDS auto and the ioctl path") added a new test case in the net tree, now that this code has made its way to net-next convert it to use the env.rpath() helper instead of manually computing the relative path. Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250228212956.25399-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-04selftests: mptcp: add a test for mptcp_diag_dump_oneGang Yan1-0/+27
This patch introduces a new 'chk_diag' test in diag.sh. It retrieves the token for a specified MPTCP socket (msk) using the 'ss' command and then accesses the 'mptcp_diag_dump_one' in kernel via ./mptcp_diag to verify if the correct token is returned. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/524 Signed-off-by: Gang Yan <yangang@kylinos.cn> Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250228-net-next-mptcp-coverage-small-opti-v1-2-f933c4275676@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-04selftests: mptcp: Add a tool to get specific msk_infoGang Yan2-1/+273
This patch enables the retrieval of the mptcp_info structure corresponding to a specified MPTCP socket (msk). When multiple MPTCP connections are present, specific information can be obtained for a given connection through the 'mptcp_diag_dump_one' by using the 'token' associated with the msk. Signed-off-by: Gang Yan <yangang@kylinos.cn> Co-developed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250228-net-next-mptcp-coverage-small-opti-v1-1-f933c4275676@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-04selftests/pcie_bwctrl: Add 'set_pcie_speed.sh' to TEST_PROGSYi Lai1-1/+1
The test shell script "set_pcie_speed.sh" is not installed in INSTALL_PATH. Attempting to execute set_pcie_cooling_state.sh shows warning: ./set_pcie_cooling_state.sh: line 119: ./set_pcie_speed.sh: No such file or directory Add "set_pcie_speed.sh" to TEST_PROGS. Link: https://lore.kernel.org/r/Z8FfK8rN30lKzvVV@ly-workstation Fixes: 838f12c3d551 ("selftests/pcie_bwctrl: Create selftests") Signed-off-by: Yi Lai <yi1.lai@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
2025-03-04selftests/vDSO: Fix GNU hash table entry size for s390xThomas Weißschuh1-5/+5
Commit 14be4e6f3522 ("selftests: vDSO: fix ELF hash table entry size for s390x") changed the type of the ELF hash table entries to 64bit on s390x. However the *GNU* hash tables entries are always 32bit. The "bucket" pointer is shared between both hash algorithms. On s390, this caused the GNU hash algorithm to access its 32-bit entries as if they were 64-bit, triggering compiler warnings (assignment between "Elf64_Xword *" and "Elf64_Word *") and runtime crashes. Introduce a new dedicated "gnu_bucket" pointer which is used by the GNU hash. Fixes: e0746bde6f82 ("selftests/vDSO: support DT_GNU_HASH") Reviewed-by: Jens Remus <jremus@linux.ibm.com> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/r/20250217-selftests-vdso-s390-gnu-hash-v2-1-f6c2532ffe2a@linutronix.de Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2025-03-04selftests/ftrace: add 'poll' binary to gitignoreBharadwaj Raju1-0/+1
When building this test, a binary file 'poll' is generated and should be gitignore'd. Link: https://lore.kernel.org/r/20250210160138.4745-1-bharadwaj.raju777@gmail.com Signed-off-by: Bharadwaj Raju <bharadwaj.raju777@gmail.com> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Signed-off-by: Shuah Khan <shuah@kernel.org>
2025-03-04netconsole: selftest: add task name append testingBreno Leitao1-7/+44
Add test coverage for the netconsole task name feature to the existing sysdata selftest script. This extends the test infrastructure to verify that task names are correctly appended when enabled and absent when disabled. The test validates that: - Task names appear in the expected format "taskname=<name>" - Task names are included when the feature is enabled - Task names are excluded when the feature is disabled - The feature works correctly alongside other sysdata fields like CPU Signed-off-by: Breno Leitao <leitao@debian.org> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-04iommufd: Disallow allocating nested parent domain with fault IDYi Liu1-0/+4
Allocating a domain with a fault ID indicates that the domain is faultable. However, there is a gap for the nested parent domain to support PRI. Some hardware lacks the capability to distinguish whether PRI occurs at stage 1 or stage 2. This limitation may require software-based page table walking to resolve. Since no in-tree IOMMU driver currently supports this functionality, it is disallowed. For more details, refer to the related discussion at [1]. [1] https://lore.kernel.org/linux-iommu/bd1655c6-8b2f-4cfa-adb1-badc00d01811@intel.com/ Link: https://patch.msgid.link/r/20250226104012.82079-1-yi.l.liu@intel.com Suggested-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2025-03-04net: rename netns_local to netns_immutableNicolas Dichtel1-1/+1
The name 'netns_local' is confusing. A following commit will export it via netlink, so let's use a more explicit name. Reported-by: Eric Dumazet <edumazet@google.com> Suggested-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-04Merge branch 'x86/cpu' into x86/asm, to pick up dependent commitsIngo Molnar24-144/+1155
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2025-03-04Merge branch 'x86/urgent' into x86/cpu, to pick up dependent commitsIngo Molnar23-133/+1019
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2025-03-04selftest: net: add proc_net_pktgenPeter Seiderer3-0/+648
Add some test for /proc/net/pktgen/... interface. - enable 'CONFIG_NET_PKTGEN=m' in tools/testing/selftests/net/config Signed-off-by: Peter Seiderer <ps.report@gmx.net> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-04selftests: test subdirectory mountingChristian Brauner1-45/+36
This tests mounting a subdirectory without ever having to expose the filesystem to a non-anonymous mount namespace. Link: https://lore.kernel.org/r/20250225-work-mount-propagation-v1-3-e6e3724500eb@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: add test for detached mount tree propagationChristian Brauner1-0/+70
Test that detached mount trees receive propagation events. Link: https://lore.kernel.org/r/20250225-work-mount-propagation-v1-2-e6e3724500eb@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: seventh test for mounting detached mounts onto detached mountsChristian Brauner1-0/+36
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-16-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: sixth test for mounting detached mounts onto detached mountsChristian Brauner1-0/+44
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-15-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: fifth test for mounting detached mounts onto detached mountsChristian Brauner1-0/+78
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-14-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: fourth test for mounting detached mounts onto detached mountsChristian Brauner1-0/+30
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-13-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: third test for mounting detached mounts onto detached mountsChristian Brauner1-0/+31
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-12-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: second test for mounting detached mounts onto detached mountsChristian Brauner1-0/+49
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-11-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: first test for mounting detached mounts onto detached mountsChristian Brauner1-0/+40
Add a test to verify that detached mounts behave correctly. Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-10-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-04selftests: create detached mounts from detached mountsChristian Brauner1-0/+283
Link: https://lore.kernel.org/r/20250221-brauner-open_tree-v1-7-dbcfcb98c676@kernel.org Signed-off-by: Christian Brauner <brauner@kernel.org>
2025-03-03selftests: net: report output format as TAP 13 in Python testsJakub Kicinski2-3/+3
The Python lib based tests report that they are producing "KTAP version 1", but really we aren't making use of any KTAP features, like subtests. Our output is plain TAP. Report TAP 13 instead of KTAP 1, this is what mptcp tests do, and what NIPA knows how to parse best. For HW testing we need precise subtest result tracking. Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Link: https://patch.msgid.link/20250228180007.83325-1-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-03selftests: vDSO: vdso_standalone_test_x86: Switch to nolibcThomas Weißschuh2-144/+39
vdso_standalone_test_x86 provides its own ASM syscall wrappers and _start() implementation. The in-tree nolibc library already provides this functionality for multiple architectures. By making use of nolibc, the standalone testcase can be built from the exact same codebase as the non-standalone version. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-16-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: vdso_test_gettimeofday: Make compatible with nolibcThomas Weißschuh1-0/+2
nolibc does not provide sys/time.h and sys/auxv.h, instead their definitions are available unconditionally. Guard the includes so they are not attempted on nolibc. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-15-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: vdso_test_gettimeofday: Clean up includesThomas Weißschuh1-2/+0
Some unnecessary headers are included, remove them. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-14-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: parse_vdso: Test __SIZEOF_LONG__ instead of ULONG_MAXThomas Weißschuh1-1/+1
According to limits.h(2) ULONG_MAX is only guaranteed to expand to an expression, not a symbolic constant which can be evaluated by the preprocessor. Specifically the definition of ULONG_MAX from nolibc can not be evaluated by the preprocessor. To provide compatibility with nolibc, check with __SIZEOF_LONG__ instead, with is provided directly by the preprocessor and therefore always a symbolic constant. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-13-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headersThomas Weißschuh2-1/+5
To allow the usage of parse_vdso.c together with a limited libc like nolibc, use the kernels own elf.h and auxvec.h headers. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-12-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: parse_vdso: Drop vdso_init_from_auxv()Thomas Weißschuh2-15/+0
There are no users left. This also removes the usage of ElfXX_auxv_t, which is not formally standardized. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-11-28e14e031ed8@linutronix.de
2025-03-03selftests: vDSO: vdso_standalone_test_x86: Use vdso_init_form_sysinfo_ehdrThomas Weißschuh1-1/+26
vdso_standalone_test_x86 is the only user of vdso_init_from_auxv(). Instead of combining the parsing the aux vector with the parsing of the vDSO, split them apart into getauxval() and the regular vdso_init_from_sysinfo_ehdr(). The implementation of getauxval() is taken from tools/include/nolibc/stdlib.h. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-10-28e14e031ed8@linutronix.de
2025-03-03selftests: Add headers targetThomas Weißschuh1-1/+4
Some selftests need access to a full UAPI headers tree, for example when building with nolibc which heavily relies on UAPI headers. A reference to such a tree is available in the KHDR_INCLUDES variable, but there is currently no way to populate such a tree automatically. Provide a target that the tests can depend on to get access to usable UAPI headers. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com> Acked-by: Shuah Khan <skhan@linuxfoundation.org> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-8-28e14e031ed8@linutronix.de
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