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[PATCH v3] lib/math: Add int_pow test suite

by Luis Felipe Hernandez

Adds test suite for integer based power function. Signed-off-by: Luis Felipe Hernandez <luis.hernandez093(a)gmail.com> --- Changes in v3: - Fix compiler warning: explicitly define constant as unsigned int - Add changes in patch revisions Changes in v2: - Address review feedback - Add kconfig entry - Use correct dir and file convention for KUnit - Fix typo - Remove unused static_stub header - Refactor test suite to use paramerterized test cases - Add close to max allowable value to in large_result test case - Add test case with non-power of two exponent - Fix module license --- lib/Kconfig.debug | 9 ++++++ lib/math/Makefile | 1 + lib/math/tests/Makefile | 3 ++ lib/math/tests/int_pow_kunit.c | 52 ++++++++++++++++++++++++++++++++++ 4 files changed, 65 insertions(+) create mode 100644 lib/math/tests/Makefile create mode 100644 lib/math/tests/int_pow_kunit.c diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a30c03a66172..b0bbd30d4cba 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -3051,3 +3051,12 @@ config RUST_KERNEL_DOCTESTS endmenu # "Rust" endmenu # Kernel hacking + +config INT_POW_TEST + tristate "Integer exponentiation (int_pow) test" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Enable this to test the int_pow maths function KUnit test. + + If unsure, say N diff --git a/lib/math/Makefile b/lib/math/Makefile index 91fcdb0c9efe..3c1f92a7459d 100644 --- a/lib/math/Makefile +++ b/lib/math/Makefile @@ -5,5 +5,6 @@ obj-$(CONFIG_CORDIC) += cordic.o obj-$(CONFIG_PRIME_NUMBERS) += prime_numbers.o obj-$(CONFIG_RATIONAL) += rational.o +obj-$(CONFIG_INT_POW_TEST) += tests/int_pow_kunit.o obj-$(CONFIG_TEST_DIV64) += test_div64.o obj-$(CONFIG_RATIONAL_KUNIT_TEST) += rational-test.o diff --git a/lib/math/tests/Makefile b/lib/math/tests/Makefile new file mode 100644 index 000000000000..6a169123320a --- /dev/null +++ b/lib/math/tests/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0-only + +obj-$(CONFIG_INT_POW_TEST) += int_pow_kunit.o diff --git a/lib/math/tests/int_pow_kunit.c b/lib/math/tests/int_pow_kunit.c new file mode 100644 index 000000000000..e04dd73dabd1 --- /dev/null +++ b/lib/math/tests/int_pow_kunit.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include <kunit/test.h> +#include <linux/math.h> + +struct test_case_params { + u64 base; + unsigned int exponent; + u64 expected_result; + const char *name; +}; + +static const struct test_case_params params[] = { + { 64, 0, 1, "Power of zero" }, + { 64, 1, 64, "Power of one"}, + { 0, 5, 0, "Base zero" }, + { 1, 64, 1, "Base one" }, + { 2, 2, 4, "Two squared"}, + { 2, 3, 8, "Two cubed"}, + { 5, 5, 3125, "Five raised to the fith power" }, + { U64_MAX, 1, U64_MAX, "Max base" }, + { 2, 63, 9223372036854775808ULL, "Large result"}, +}; + +static void get_desc(const struct test_case_params *tc, char *desc) +{ + strscpy(desc, tc->name, KUNIT_PARAM_DESC_SIZE); +} + +KUNIT_ARRAY_PARAM(int_pow, params, get_desc); + +static void int_pow_test(struct kunit *test) +{ + const struct test_case_params *tc = (const struct test_case_params *)test->param_value; + + KUNIT_EXPECT_EQ(test, tc->expected_result, int_pow(tc->base, tc->exponent)); +} + +static struct kunit_case math_int_pow_test_cases[] = { + KUNIT_CASE_PARAM(int_pow_test, int_pow_gen_params), + {} +}; + +static struct kunit_suite int_pow_test_suite = { + .name = "math-int_pow", + .test_cases = math_int_pow_test_cases, +}; + +kunit_test_suites(&int_pow_test_suite); + +MODULE_DESCRIPTION("math.int_pow KUnit test suite"); +MODULE_LICENSE("GPL"); -- 2.46.0

7 months, 3 weeks

3
2
0 0

[PATCH v3 0/7] iommufd support pasid attach/replace

by Yi Liu

PASID (Process Address Space ID) is a PCIe extension to tag the DMA transactions out of a physical device, and most modern IOMMU hardware have supported PASID granular address translation. So a PASID-capable device can be attached to multiple hwpts (a.k.a. domains), each attachment is tagged with a pasid. This series is based on a preparation series [1], it first adds a missing iommu API to replace domain for a pasid. Based on the iommu pasid attach/ replace/detach APIs, this series adds iommufd APIs for device drivers to attach/replace/detach pasid to/from hwpt per userspace's request, and adds selftest to validate the iommufd APIs. The completed code can be found in below link [2]. Heads up! The existing iommufd selftest was broken, there was a fix [3] to it, but not been upstreamed yet. If want to run the iommufd selftest, please apply that fix. Sorry for the inconvenience. [1] https://lore.kernel.org/linux-iommu/20240628085538.47049-1-yi.l.liu@intel.c… [2] https://github.com/yiliu1765/iommufd/tree/iommufd_pasid [3] https://lore.kernel.org/linux-iommu/20240111073213.180020-1-baolu.lu@linux.… Change log: v3: - Split the set_dev_pasid op enhancements for domain replacement to be a separate series "Make set_dev_pasid op supportting domain replacement" [1]. The below changes are made in the separate series. *) set_dev_pasid() callback should keep the old config if failed to attach to a domain. This simplifies the caller a lot as caller does not need to attach it back to old domain explicitly. This also avoids some corner cases in which the core may do duplicated domain attachment as described in below link (Jason) https://lore.kernel.org/linux-iommu/BN9PR11MB52768C98314A95AFCD2FA6478C0F2@… *) Drop patch 10 of v2 as it's a bug fix and can be submitted separately (Kevin) *) Rebase on top of Baolu's domain_alloc_paging refactor series (Jason) - Drop the attach_data which includes attach_fn and pasid, insteadly passing the pasid through the device attach path. (Jason) - Add a pasid-num-bits property to mock dev to make pasid selftest work (Kevin) v2: https://lore.kernel.org/linux-iommu/20240412081516.31168-1-yi.l.liu@intel.c… - Domain replace for pasid should be handled in set_dev_pasid() callbacks instead of remove_dev_pasid and call set_dev_pasid afteward in iommu layer (Jason) - Make xarray operations more self-contained in iommufd pasid attach/replace/detach (Jason) - Tweak the dev_iommu_get_max_pasids() to allow iommu driver to populate the max_pasids. This makes the iommufd selftest simpler to meet the max_pasids check in iommu_attach_device_pasid() (Jason) v1: https://lore.kernel.org/kvm/20231127063428.127436-1-yi.l.liu@intel.com/#r - Implemnet iommu_replace_device_pasid() to fall back to the original domain if this replacement failed (Kevin) - Add check in do_attach() to check corressponding attach_fn per the pasid value. rfc: https://lore.kernel.org/linux-iommu/20230926092651.17041-1-yi.l.liu@intel.c… Regards, Yi Liu Yi Liu (7): iommu: Introduce a replace API for device pasid iommufd: Pass pasid through the device attach/replace path iommufd: Support attach/replace hwpt per pasid iommufd/selftest: Add set_dev_pasid and remove_dev_pasid in mock iommu iommufd/selftest: Add a helper to get test device iommufd/selftest: Add test ops to test pasid attach/detach iommufd/selftest: Add coverage for iommufd pasid attach/detach drivers/iommu/iommu-priv.h | 3 + drivers/iommu/iommu.c | 80 ++++++- drivers/iommu/iommufd/Makefile | 1 + drivers/iommu/iommufd/device.c | 31 +-- drivers/iommu/iommufd/iommufd_private.h | 15 ++ drivers/iommu/iommufd/iommufd_test.h | 30 +++ drivers/iommu/iommufd/pasid.c | 157 +++++++++++++ drivers/iommu/iommufd/selftest.c | 206 ++++++++++++++++- include/linux/iommufd.h | 6 + tools/testing/selftests/iommu/iommufd.c | 207 ++++++++++++++++++ .../selftests/iommu/iommufd_fail_nth.c | 28 ++- tools/testing/selftests/iommu/iommufd_utils.h | 78 +++++++ 12 files changed, 808 insertions(+), 34 deletions(-) create mode 100644 drivers/iommu/iommufd/pasid.c -- 2.34.1

7 months, 3 weeks

4
13
0 0

Business Proposal

by dandsmiller＠frontier.com

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7 months, 3 weeks

1
0
0 0

[PATCH v5 0/5] Wire up getrandom() vDSO implementation on powerpc

by Christophe Leroy

This series wires up getrandom() vDSO implementation on powerpc. Tested on PPC32 on real hardware. Tested on PPC64 (both BE and LE) on QEMU: Performance on powerpc 885: ~# ./vdso_test_getrandom bench-single vdso: 25000000 times in 62.938002291 seconds libc: 25000000 times in 535.581916866 seconds syscall: 25000000 times in 531.525042806 seconds Performance on powerpc 8321: ~# ./vdso_test_getrandom bench-single vdso: 25000000 times in 16.899318858 seconds libc: 25000000 times in 131.050596522 seconds syscall: 25000000 times in 129.794790389 seconds Performance on QEMU pseries: ~ # ./vdso_test_getrandom bench-single vdso: 25000000 times in 4.977777162 seconds libc: 25000000 times in 75.516749981 seconds syscall: 25000000 times in 86.842242014 seconds Changes in v5: - The split between last two patches is not anymore PPC32/PPC64 but VDSO32/VDSO64 - Removed the stub returning ENOSYS - Using meaningfull names for registers - Restored symbolic link that disappeared in v4 Changes in v4: - Rebased on recent random git tree (963233ff0133) (The new tree includes selftests fixes) - Read/write counter in native byte order - Don't use anymore compat macros to write output - Fixed selftests build failure with patch 4 (without patch 5) on little endian on PPC64 - Implement a __kernel_getrandom() stub returning ENOSYS on ppc64 in patch 4 (without patch 5) to make selftests happy. Changes in v3: - Rebased on recent random git tree (0c7e00e22c21) - Fixed build failures reported by robots around VM_DROPPABLE - Fixed crash on PPC64 due to clobbered r13 by not using r13 anymore (saving it was not enough for signals). - Split final patch in two, first for PPC32, second for PPC64 - Moved selftest fixes out of this series Changes in v2: - Define VM_DROPPABLE for powerpc/32 - Fixes generic vDSO getrandom headers to enable CONFIG_COMPAT build. - Fixed size of generation counter - Fixed selftests to work on non x86 architectures Christophe Leroy (5): mm: Define VM_DROPPABLE for powerpc/32 powerpc/vdso32: Add crtsavres powerpc/vdso: Refactor CFLAGS for CVDSO build powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO32 powerpc/vdso: Wire up getrandom() vDSO implementation on VDSO64 arch/powerpc/Kconfig | 1 + arch/powerpc/include/asm/mman.h | 2 +- arch/powerpc/include/asm/vdso/getrandom.h | 54 +++ arch/powerpc/include/asm/vdso/vsyscall.h | 6 + arch/powerpc/include/asm/vdso_datapage.h | 2 + arch/powerpc/kernel/asm-offsets.c | 1 + arch/powerpc/kernel/vdso/Makefile | 57 +-- arch/powerpc/kernel/vdso/getrandom.S | 58 +++ arch/powerpc/kernel/vdso/gettimeofday.S | 13 - arch/powerpc/kernel/vdso/vdso32.lds.S | 1 + arch/powerpc/kernel/vdso/vdso64.lds.S | 1 + arch/powerpc/kernel/vdso/vgetrandom-chacha.S | 365 +++++++++++++++++++ arch/powerpc/kernel/vdso/vgetrandom.c | 14 + fs/proc/task_mmu.c | 4 +- include/linux/mm.h | 4 +- include/trace/events/mmflags.h | 4 +- tools/arch/powerpc/vdso | 1 + tools/testing/selftests/vDSO/Makefile | 2 +- 18 files changed, 547 insertions(+), 43 deletions(-) create mode 100644 arch/powerpc/include/asm/vdso/getrandom.h create mode 100644 arch/powerpc/kernel/vdso/getrandom.S create mode 100644 arch/powerpc/kernel/vdso/vgetrandom-chacha.S create mode 100644 arch/powerpc/kernel/vdso/vgetrandom.c create mode 120000 tools/arch/powerpc/vdso -- 2.44.0

7 months, 3 weeks

5
20
0 0

[PATCH net] selftests: net: enable bind tests

by Jamie Bainbridge

bind_wildcard is compiled but not run, bind_timewait is not compiled. These two tests complete in a very short time, use the test harness properly, and seem reasonable to enable. The author of the tests confirmed via email that these were intended to be run. Enable these two tests. Fixes: 13715acf8ab5 ("selftest: Add test for bind() conflicts.") Fixes: 2c042e8e54ef ("tcp: Add selftest for bind() and TIME_WAIT.") Signed-off-by: Jamie Bainbridge <jamie.bainbridge(a)gmail.com> --- tools/testing/selftests/net/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/Makefile b/tools/testing/selftests/net/Makefile index 8eaffd7a641c5d6bb5c63e3015fdd9f32c114550..9d5aa817411b653ac130a1a581d933180a597ce5 100644 --- a/tools/testing/selftests/net/Makefile +++ b/tools/testing/selftests/net/Makefile @@ -85,7 +85,8 @@ TEST_GEN_PROGS += so_incoming_cpu TEST_PROGS += sctp_vrf.sh TEST_GEN_FILES += sctp_hello TEST_GEN_FILES += ip_local_port_range -TEST_GEN_FILES += bind_wildcard +TEST_GEN_PROGS += bind_wildcard +TEST_GEN_PROGS += bind_timewait TEST_PROGS += test_vxlan_mdb.sh TEST_PROGS += test_bridge_neigh_suppress.sh TEST_PROGS += test_vxlan_nolocalbypass.sh -- 2.39.2

7 months, 3 weeks

4
3
0 0

[PATCH v4 0/4] selftests: Fix cpuid / vendor checking build issues

by Ilpo Järvinen

This series first generalizes resctrl selftest non-contiguous CAT check to not assume non-AMD vendor implies Intel. Second, it improves selftests such that the use of __cpuid_count() does not lead into a build failure (happens at least on ARM). While ARM does not currently support resctrl features, there's an ongoing work to enable resctrl support also for it on the kernel side. In any case, a common header such as kselftest.h should have a proper fallback in place for what it provides, thus it seems justified to fix this common level problem on the common level rather than e.g. disabling build for resctrl selftest for archs lacking resctrl support. I've dropped reviewed and tested by tags from the last patch in v3 due to major changes into the makefile logic. So it would be helpful if Muhammad could retest with this version. Acquiring ARCH in lib.mk will likely allow some cleanup into some subdirectory makefiles but that is left as future work because this series focuses in fixing cpuid/build. v4: - New patch to reorder x86 selftest makefile to avoid clobbering CFLAGS (would cause __cpuid_count() related build fail otherwise) v3: - Remove "empty" wording - Also cast input parameters to void - Initialize ARCH from uname -m if not set (this might allow cleaning up some other makefiles but that is left as future work) v2: - Removed RFC from the last patch & added Fixes and tags - Fixed the error message's line splits - Noted down the reason for void casts in the stub Ilpo Järvinen (4): selftests/resctrl: Generalize non-contiguous CAT check selftests/resctrl: Always initialize ecx to avoid build warnings selftests/x86: don't clobber CFLAGS kselftest: Provide __cpuid_count() stub on non-x86 archs tools/testing/selftests/kselftest.h | 6 +++++ tools/testing/selftests/lib.mk | 6 +++++ tools/testing/selftests/resctrl/cat_test.c | 28 +++++++++++++--------- tools/testing/selftests/x86/Makefile | 4 +++- 4 files changed, 32 insertions(+), 12 deletions(-) -- 2.39.2

7 months, 3 weeks

3
13
0 0

[PATCH bpf-next v2 0/2] selftests/bpf: Enable vmtest for cross-compile arm64 on x86_64 host, and fix some issues.

by Lin Yikai

These two patch enable the use of "vmtest.sh" for cross-compile arm64 on x86_64 host. This is essential for utilizing BPF on Android (arm64), as the compilation server is running on Ubuntu (x86). Following previous guidance from V1, the two changes are as follow: V2: - patch 2: - [1/2] In Makefile, use $(SRCARCH) to get target arch's uapi. Therefore, there is no longer a need to compile "make headers_install". - [2/2] Regard "LDLIBS += -lzstd" as a separate patch for static compile. v1: Link: https://lore.kernel.org/bpf/20240827133959.1269178-1-yikai.lin@vivo.com/ - patch 2: - [1/2] Update "vmtest.sh" for cross-compile arm64 on x86_64 host. - [2/2] Fix cross-compile issue for some files and a static compile issue for "-lzstd" Lin Yikai (2): selftests/bpf: Enable vmtest for cross-compile arm64 on x86_64 host, and fix some related issues. selftests/bpf: fix static cross-compile error for liblstd.a linking. tools/testing/selftests/bpf/Makefile | 8 +++++- tools/testing/selftests/bpf/README.rst | 11 +++++++- tools/testing/selftests/bpf/vmtest.sh | 37 +++++++++++++++++++++----- 3 files changed, 48 insertions(+), 8 deletions(-) -- 2.34.1

7 months, 3 weeks

2
3
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[PATCH bpf-next v1 1/3] selftests/bpf: fix some typos in selftests

by Lin Yikai

Hi, fix some spelling errors in selftest, the details are as follows: -in the codes: test_bpf_sk_stoarge_map_iter_fd(void) ->test_bpf_sk_storage_map_iter_fd(void) load BTF from btf_data.o->load BTF from btf_data.bpf.o -in the code comments: preample->preamble multi-contollers->multi-controllers errono->errno unsighed/unsinged->unsigned egree->egress shoud->should regsiter->register assummed->assumed conditiona->conditional rougly->roughly timetamp->timestamp ingores->ignores null-termainted->null-terminated slepable->sleepable implemenation->implementation veriables->variables timetamps->timestamps substitue a costant->substitute a constant secton->section unreferened->unreferenced verifer->verifier libppf->libbpf ... Signed-off-by: Lin Yikai <yikai.lin(a)vivo.com> --- tools/testing/selftests/bpf/benchs/bench_trigger.c | 2 +- tools/testing/selftests/bpf/cgroup_helpers.c | 2 +- .../selftests/bpf/map_tests/htab_map_batch_ops.c | 2 +- .../bpf/map_tests/lpm_trie_map_batch_ops.c | 2 +- tools/testing/selftests/bpf/prog_tests/bpf_iter.c | 4 ++-- tools/testing/selftests/bpf/prog_tests/btf.c | 6 +++--- .../selftests/bpf/prog_tests/cg_storage_multi.c | 2 +- tools/testing/selftests/bpf/prog_tests/log_buf.c | 4 ++-- .../testing/selftests/bpf/prog_tests/reg_bounds.c | 14 +++++++------- .../selftests/bpf/prog_tests/resolve_btfids.c | 2 +- .../testing/selftests/bpf/prog_tests/tc_redirect.c | 2 +- .../selftests/bpf/prog_tests/test_bprm_opts.c | 2 +- .../selftests/bpf/prog_tests/test_strncmp.c | 2 +- tools/testing/selftests/bpf/prog_tests/token.c | 4 ++-- .../selftests/bpf/prog_tests/uprobe_multi_test.c | 2 +- .../selftests/bpf/prog_tests/user_ringbuf.c | 2 +- tools/testing/selftests/bpf/progs/bpf_cubic.c | 6 +++--- tools/testing/selftests/bpf/progs/strobemeta.h | 4 ++-- .../selftests/bpf/progs/test_cls_redirect_dynptr.c | 2 +- .../selftests/bpf/progs/test_core_read_macros.c | 2 +- .../selftests/bpf/progs/test_global_func15.c | 2 +- .../selftests/bpf/progs/test_global_map_resize.c | 2 +- tools/testing/selftests/bpf/test_maps.c | 2 +- tools/testing/selftests/bpf/test_progs.c | 2 +- tools/testing/selftests/bpf/verifier/map_kptr.c | 2 +- 25 files changed, 39 insertions(+), 39 deletions(-) diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index a220545a3238..2ed0ef6f21ee 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -276,7 +276,7 @@ static void trigger_rawtp_setup(void) * instructions. So use two different targets, one of which starts with nop * and another doesn't. * - * GCC doesn't generate stack setup preample for these functions due to them + * GCC doesn't generate stack setup preamble for these functions due to them * having no input arguments and doing nothing in the body. */ __nocf_check __weak void uprobe_target_nop(void) diff --git a/tools/testing/selftests/bpf/cgroup_helpers.c b/tools/testing/selftests/bpf/cgroup_helpers.c index 23bb9a9e6a7d..e4535451322e 100644 --- a/tools/testing/selftests/bpf/cgroup_helpers.c +++ b/tools/testing/selftests/bpf/cgroup_helpers.c @@ -644,7 +644,7 @@ unsigned long long get_classid_cgroup_id(void) /** * get_cgroup1_hierarchy_id - Retrieves the ID of a cgroup1 hierarchy from the cgroup1 subsys name. * @subsys_name: The cgroup1 subsys name, which can be retrieved from /proc/self/cgroup. It can be - * a named cgroup like "name=systemd", a controller name like "net_cls", or multi-contollers like + * a named cgroup like "name=systemd", a controller name like "net_cls", or multi-controllers like * "net_cls,net_prio". */ int get_cgroup1_hierarchy_id(const char *subsys_name) diff --git a/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c index 1230ccf90128..5da493b94ae2 100644 --- a/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c +++ b/tools/testing/selftests/bpf/map_tests/htab_map_batch_ops.c @@ -197,7 +197,7 @@ void __test_map_lookup_and_delete_batch(bool is_pcpu) CHECK(total != max_entries, "delete with steps", "total = %u, max_entries = %u\n", total, max_entries); - /* check map is empty, errono == ENOENT */ + /* check map is empty, errno == ENOENT */ err = bpf_map_get_next_key(map_fd, NULL, &key); CHECK(!err || errno != ENOENT, "bpf_map_get_next_key()", "error: %s\n", strerror(errno)); diff --git a/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c index b66d56ddb7ef..fe3e19f96244 100644 --- a/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c +++ b/tools/testing/selftests/bpf/map_tests/lpm_trie_map_batch_ops.c @@ -135,7 +135,7 @@ void test_lpm_trie_map_batch_ops(void) CHECK(total != max_entries, "delete with steps", "total = %u, max_entries = %u\n", total, max_entries); - /* check map is empty, errono == ENOENT */ + /* check map is empty, errno == ENOENT */ err = bpf_map_get_next_key(map_fd, NULL, &key); CHECK(!err || errno != ENOENT, "bpf_map_get_next_key()", "error: %s\n", strerror(errno)); diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c index 618af9dfae9b..52e6f7570475 100644 --- a/tools/testing/selftests/bpf/prog_tests/bpf_iter.c +++ b/tools/testing/selftests/bpf/prog_tests/bpf_iter.c @@ -1218,7 +1218,7 @@ static void test_bpf_sk_storage_get(void) bpf_iter_bpf_sk_storage_helpers__destroy(skel); } -static void test_bpf_sk_stoarge_map_iter_fd(void) +static void test_bpf_sk_storage_map_iter_fd(void) { struct bpf_iter_bpf_sk_storage_map *skel; @@ -1693,7 +1693,7 @@ void test_bpf_iter(void) if (test__start_subtest("bpf_sk_storage_map")) test_bpf_sk_storage_map(); if (test__start_subtest("bpf_sk_storage_map_iter_fd")) - test_bpf_sk_stoarge_map_iter_fd(); + test_bpf_sk_storage_map_iter_fd(); if (test__start_subtest("bpf_sk_storage_delete")) test_bpf_sk_storage_delete(); if (test__start_subtest("bpf_sk_storage_get")) diff --git a/tools/testing/selftests/bpf/prog_tests/btf.c b/tools/testing/selftests/bpf/prog_tests/btf.c index 00965a6e83bb..7eafcf91b02e 100644 --- a/tools/testing/selftests/bpf/prog_tests/btf.c +++ b/tools/testing/selftests/bpf/prog_tests/btf.c @@ -4986,7 +4986,7 @@ struct pprint_mapv_int128 { static struct btf_raw_test pprint_test_template[] = { { .raw_types = { - /* unsighed char */ /* [1] */ + /* unsigned char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), @@ -5053,7 +5053,7 @@ static struct btf_raw_test pprint_test_template[] = { * be encoded with kind_flag set. */ .raw_types = { - /* unsighed char */ /* [1] */ + /* unsigned char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), @@ -5120,7 +5120,7 @@ static struct btf_raw_test pprint_test_template[] = { * will have both int and enum types. */ .raw_types = { - /* unsighed char */ /* [1] */ + /* unsigned char */ /* [1] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 8, 1), /* unsigned short */ /* [2] */ BTF_TYPE_INT_ENC(NAME_TBD, 0, 0, 16, 2), diff --git a/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c b/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c index 63ee892bc757..10224f845568 100644 --- a/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c +++ b/tools/testing/selftests/bpf/prog_tests/cg_storage_multi.c @@ -214,7 +214,7 @@ static void test_isolated(int parent_cgroup_fd, int child_cgroup_fd) /* Attach to parent and child cgroup, trigger packet from child. * Assert that there is six additional runs, parent cgroup egresses and * ingress, child cgroup egresses and ingress. - * Assert that egree and ingress storages are separate. + * Assert that egress and ingress storages are separate. */ child_egress1_link = bpf_program__attach_cgroup(obj->progs.egress1, child_cgroup_fd); diff --git a/tools/testing/selftests/bpf/prog_tests/log_buf.c b/tools/testing/selftests/bpf/prog_tests/log_buf.c index 0f7ea4d7d9f6..6c1f3c73ae6a 100644 --- a/tools/testing/selftests/bpf/prog_tests/log_buf.c +++ b/tools/testing/selftests/bpf/prog_tests/log_buf.c @@ -159,7 +159,7 @@ static void bpf_prog_load_log_buf(void) opts.log_buf = log_buf; opts.log_size = log_buf_sz; - /* with log_level == 0 log_buf shoud stay empty for good prog */ + /* with log_level == 0 log_buf should stay empty for good prog */ log_buf[0] = '\0'; opts.log_level = 0; fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, "good_prog", "GPL", @@ -221,7 +221,7 @@ static void bpf_btf_load_log_buf(void) opts.log_buf = log_buf; opts.log_size = log_buf_sz; - /* with log_level == 0 log_buf shoud stay empty for good BTF */ + /* with log_level == 0 log_buf should stay empty for good BTF */ log_buf[0] = '\0'; opts.log_level = 0; fd = bpf_btf_load(raw_btf_data, raw_btf_size, &opts); diff --git a/tools/testing/selftests/bpf/prog_tests/reg_bounds.c b/tools/testing/selftests/bpf/prog_tests/reg_bounds.c index 467027236d30..39d42271cc46 100644 --- a/tools/testing/selftests/bpf/prog_tests/reg_bounds.c +++ b/tools/testing/selftests/bpf/prog_tests/reg_bounds.c @@ -503,7 +503,7 @@ static const char *op_str(enum op op) /* Can register with range [x.a, x.b] *EVER* satisfy * OP (<, <=, >, >=, ==, !=) relation to - * a regsiter with range [y.a, y.b] + * a register with range [y.a, y.b] * _in *num_t* domain_ */ static bool range_canbe_op(enum num_t t, struct range x, struct range y, enum op op) @@ -532,7 +532,7 @@ static bool range_canbe_op(enum num_t t, struct range x, struct range y, enum op /* Does register with range [x.a, x.b] *ALWAYS* satisfy * OP (<, <=, >, >=, ==, !=) relation to - * a regsiter with range [y.a, y.b] + * a register with range [y.a, y.b] * _in *num_t* domain_ */ static bool range_always_op(enum num_t t, struct range x, struct range y, enum op op) @@ -543,7 +543,7 @@ static bool range_always_op(enum num_t t, struct range x, struct range y, enum o /* Does register with range [x.a, x.b] *NEVER* satisfy * OP (<, <=, >, >=, ==, !=) relation to - * a regsiter with range [y.a, y.b] + * a register with range [y.a, y.b] * _in *num_t* domain_ */ static bool range_never_op(enum num_t t, struct range x, struct range y, enum op op) @@ -1018,11 +1018,11 @@ static int parse_reg_state(const char *s, struct reg_state *reg) * - umin=%llu, if missing, assumed 0; * - umax=%llu, if missing, assumed U64_MAX; * - smin=%lld, if missing, assumed S64_MIN; - * - smax=%lld, if missing, assummed S64_MAX; + * - smax=%lld, if missing, assumed S64_MAX; * - umin32=%d, if missing, assumed 0; * - umax32=%d, if missing, assumed U32_MAX; * - smin32=%d, if missing, assumed S32_MIN; - * - smax32=%d, if missing, assummed S32_MAX; + * - smax32=%d, if missing, assumed S32_MAX; * - var_off=(%#llx; %#llx), tnum part, we don't care about it. * * If some of the values are equal, they will be grouped (but min/max @@ -1884,7 +1884,7 @@ static void validate_gen_range_vs_range(enum num_t init_t, enum num_t cond_t) * envvar is not set, this test is skipped during test_progs testing. * * We split this up into smaller subsets based on initialization and - * conditiona numeric domains to get an easy parallelization with test_progs' + * conditional numeric domains to get an easy parallelization with test_progs' * -j argument. */ @@ -1938,7 +1938,7 @@ static u64 rand_u64() { /* RAND_MAX is guaranteed to be at least 1<<15, but in practice it * seems to be 1<<31, so we need to call it thrice to get full u64; - * we'll use rougly equal split: 22 + 21 + 21 bits + * we'll use roughly equal split: 22 + 21 + 21 bits */ return ((u64)random() << 42) | (((u64)random() & RAND_21BIT_MASK) << 21) | diff --git a/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c index f81d08d429a2..51544372f52e 100644 --- a/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c +++ b/tools/testing/selftests/bpf/prog_tests/resolve_btfids.c @@ -103,7 +103,7 @@ static int resolve_symbols(void) btf = btf__parse_elf("btf_data.bpf.o", NULL); if (CHECK(libbpf_get_error(btf), "resolve", - "Failed to load BTF from btf_data.o\n")) + "Failed to load BTF from btf_data.bpf.o\n")) return -1; nr = btf__type_cnt(btf); diff --git a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c index 974f9d6269c9..c85798966aec 100644 --- a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c +++ b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c @@ -872,7 +872,7 @@ static void test_tcp_dtime(struct test_tc_dtime *skel, int family, bool bpf_fwd) test_inet_dtime(family, SOCK_STREAM, addr, 50000 + t); /* fwdns_prio100 prog does not read delivery_time_type, so - * kernel puts the (rcv) timetamp in __sk_buff->tstamp + * kernel puts the (rcv) timestamp in __sk_buff->tstamp */ ASSERT_EQ(dtimes[INGRESS_FWDNS_P100], 0, dtime_cnt_str(t, INGRESS_FWDNS_P100)); diff --git a/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c b/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c index a0054019e677..9c0200c132d9 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c +++ b/tools/testing/selftests/bpf/prog_tests/test_bprm_opts.c @@ -51,7 +51,7 @@ static int run_set_secureexec(int map_fd, int secureexec) exit(ret); /* If the binary is executed with securexec=1, the dynamic - * loader ingores and unsets certain variables like LD_PRELOAD, + * loader ignores and unsets certain variables like LD_PRELOAD, * TMPDIR etc. TMPDIR is used here to simplify the example, as * LD_PRELOAD requires a real .so file. * diff --git a/tools/testing/selftests/bpf/prog_tests/test_strncmp.c b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c index 7ddd6615b7e7..baceb0de9d49 100644 --- a/tools/testing/selftests/bpf/prog_tests/test_strncmp.c +++ b/tools/testing/selftests/bpf/prog_tests/test_strncmp.c @@ -72,7 +72,7 @@ static void test_strncmp_ret(void) got = trigger_strncmp(skel); ASSERT_EQ(got, 0, "strncmp: same str"); - /* Not-null-termainted string */ + /* Not-null-terminated string */ memcpy(skel->bss->str, skel->rodata->target, sizeof(skel->bss->str)); skel->bss->str[sizeof(skel->bss->str) - 1] = 'A'; got = trigger_strncmp(skel); diff --git a/tools/testing/selftests/bpf/prog_tests/token.c b/tools/testing/selftests/bpf/prog_tests/token.c index fc4a175d8d76..fe86e4fdb89c 100644 --- a/tools/testing/selftests/bpf/prog_tests/token.c +++ b/tools/testing/selftests/bpf/prog_tests/token.c @@ -867,7 +867,7 @@ static int userns_obj_priv_implicit_token(int mnt_fd, struct token_lsm *lsm_skel } unsetenv(TOKEN_ENVVAR); - /* now the same struct_ops skeleton should succeed thanks to libppf + /* now the same struct_ops skeleton should succeed thanks to libbpf * creating BPF token from /sys/fs/bpf mount point */ skel = dummy_st_ops_success__open_and_load(); @@ -929,7 +929,7 @@ static int userns_obj_priv_implicit_token_envvar(int mnt_fd, struct token_lsm *l if (!ASSERT_OK(err, "setenv_token_path")) goto err_out; - /* now the same struct_ops skeleton should succeed thanks to libppf + /* now the same struct_ops skeleton should succeed thanks to libbpf * creating BPF token from custom mount point */ skel = dummy_st_ops_success__open_and_load(); diff --git a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c index acb62675ff65..dad9e3736e04 100644 --- a/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c +++ b/tools/testing/selftests/bpf/prog_tests/uprobe_multi_test.c @@ -199,7 +199,7 @@ static void uprobe_multi_test_run(struct uprobe_multi *skel, struct child *child /* * There are 2 entry and 2 exit probe called for each uprobe_multi_func_[123] - * function and each slepable probe (6) increments uprobe_multi_sleep_result. + * function and each sleepable probe (6) increments uprobe_multi_sleep_result. */ ASSERT_EQ(skel->bss->uprobe_multi_func_1_result, 2, "uprobe_multi_func_1_result"); ASSERT_EQ(skel->bss->uprobe_multi_func_2_result, 2, "uprobe_multi_func_2_result"); diff --git a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c index dfff6feac12c..d424e7ecbd12 100644 --- a/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c +++ b/tools/testing/selftests/bpf/prog_tests/user_ringbuf.c @@ -643,7 +643,7 @@ static void test_user_ringbuf_blocking_reserve(void) if (!ASSERT_EQ(err, 0, "deferred_kick_thread\n")) goto cleanup; - /* After spawning another thread that asychronously kicks the kernel to + /* After spawning another thread that asynchronously kicks the kernel to * drain the messages, we're able to block and successfully get a * sample once we receive an event notification. */ diff --git a/tools/testing/selftests/bpf/progs/bpf_cubic.c b/tools/testing/selftests/bpf/progs/bpf_cubic.c index d665b8a15cc4..f089faa97ae6 100644 --- a/tools/testing/selftests/bpf/progs/bpf_cubic.c +++ b/tools/testing/selftests/bpf/progs/bpf_cubic.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only -/* WARNING: This implemenation is not necessarily the same +/* WARNING: This implementation is not necessarily the same * as the tcp_cubic.c. The purpose is mainly for testing * the kernel BPF logic. * @@ -314,7 +314,7 @@ static void bictcp_update(struct bpf_bictcp *ca, __u32 cwnd, __u32 acked) * (so time^3 is done by using 64 bit) * and without the support of division of 64bit numbers * (so all divisions are done by using 32 bit) - * also NOTE the unit of those veriables + * also NOTE the unit of those variables * time = (t - K) / 2^bictcp_HZ * c = bic_scale >> 10 * rtt = (srtt >> 3) / HZ @@ -507,7 +507,7 @@ void BPF_PROG(bpf_cubic_acked, struct sock *sk, const struct ack_sample *sample) __u32 delay; bpf_cubic_acked_called = 1; - /* Some calls are for duplicates without timetamps */ + /* Some calls are for duplicates without timestamps */ if (sample->rtt_us < 0) return; diff --git a/tools/testing/selftests/bpf/progs/strobemeta.h b/tools/testing/selftests/bpf/progs/strobemeta.h index f74459eead26..a5c74d31a244 100644 --- a/tools/testing/selftests/bpf/progs/strobemeta.h +++ b/tools/testing/selftests/bpf/progs/strobemeta.h @@ -373,7 +373,7 @@ static __always_inline uint64_t read_str_var(struct strobemeta_cfg *cfg, len = bpf_probe_read_user_str(&data->payload[off], STROBE_MAX_STR_LEN, value->ptr); /* * if bpf_probe_read_user_str returns error (<0), due to casting to - * unsinged int, it will become big number, so next check is + * unsigned int, it will become big number, so next check is * sufficient to check for errors AND prove to BPF verifier, that * bpf_probe_read_user_str won't return anything bigger than * STROBE_MAX_STR_LEN @@ -557,7 +557,7 @@ static void *read_strobe_meta(struct task_struct *task, return NULL; payload_off = ctx.payload_off; - /* this should not really happen, here only to satisfy verifer */ + /* this should not really happen, here only to satisfy verifier */ if (payload_off > sizeof(data->payload)) payload_off = sizeof(data->payload); #else diff --git a/tools/testing/selftests/bpf/progs/test_cls_redirect_dynptr.c b/tools/testing/selftests/bpf/progs/test_cls_redirect_dynptr.c index da54c09e9a15..464515b824b9 100644 --- a/tools/testing/selftests/bpf/progs/test_cls_redirect_dynptr.c +++ b/tools/testing/selftests/bpf/progs/test_cls_redirect_dynptr.c @@ -503,7 +503,7 @@ static ret_t get_next_hop(struct bpf_dynptr *dynptr, __u64 *offset, encap_header * * fill_tuple(&t, foo, sizeof(struct iphdr), 123, 321) * - * clang will substitue a costant for sizeof, which allows the verifier + * clang will substitute a constant for sizeof, which allows the verifier * to track it's value. Based on this, it can figure out the constant * return value, and calling code works while still being "generic" to * IPv4 and IPv6. diff --git a/tools/testing/selftests/bpf/progs/test_core_read_macros.c b/tools/testing/selftests/bpf/progs/test_core_read_macros.c index fd54caa17319..873d85a4739b 100644 --- a/tools/testing/selftests/bpf/progs/test_core_read_macros.c +++ b/tools/testing/selftests/bpf/progs/test_core_read_macros.c @@ -36,7 +36,7 @@ int handler(void *ctx) return 0; /* next pointers for kernel address space have to be initialized from - * BPF side, user-space mmaped addresses are stil user-space addresses + * BPF side, user-space mmaped addresses are still user-space addresses */ k_probe_in.next = &k_probe_in; __builtin_preserve_access_index(({k_core_in.next = &k_core_in;})); diff --git a/tools/testing/selftests/bpf/progs/test_global_func15.c b/tools/testing/selftests/bpf/progs/test_global_func15.c index b4e089d6981d..201cc000b3f4 100644 --- a/tools/testing/selftests/bpf/progs/test_global_func15.c +++ b/tools/testing/selftests/bpf/progs/test_global_func15.c @@ -44,7 +44,7 @@ __naked int global_func15_tricky_pruning(void) * case we have a valid 1 stored in R0 register, but in * a branch case we assign some random value to R0. So if * there is something wrong with precision tracking for R0 at - * program exit, we might erronenously prune branch case, + * program exit, we might erroneously prune branch case, * because R0 in fallthrough case is imprecise (and thus any * value is valid from POV of verifier is_state_equal() logic) */ diff --git a/tools/testing/selftests/bpf/progs/test_global_map_resize.c b/tools/testing/selftests/bpf/progs/test_global_map_resize.c index 714b29c7f8b2..a3f220ba7025 100644 --- a/tools/testing/selftests/bpf/progs/test_global_map_resize.c +++ b/tools/testing/selftests/bpf/progs/test_global_map_resize.c @@ -16,7 +16,7 @@ const volatile size_t data_array_len; int sum = 0; int array[1]; -/* custom data secton */ +/* custom data section */ int my_array[1] SEC(".data.custom"); /* custom data section which should NOT be resizable, diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index dfbab214f4d1..905d5981ace1 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -1515,7 +1515,7 @@ static void test_map_parallel(void) value == key); } - /* Now let's delete all elemenets in parallel. */ + /* Now let's delete all elements in parallel. */ data[1] = DO_DELETE; run_parallel(TASKS, test_update_delete, data); diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index 83f390a31681..c7a70e1a1085 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -1500,7 +1500,7 @@ static void calculate_summary_and_print_errors(struct test_env *env) /* * We only print error logs summary when there are failed tests and - * verbose mode is not enabled. Otherwise, results may be incosistent. + * verbose mode is not enabled. Otherwise, results may be inconsistent. * */ if (!verbose() && fail_cnt) { diff --git a/tools/testing/selftests/bpf/verifier/map_kptr.c b/tools/testing/selftests/bpf/verifier/map_kptr.c index d25c3e9605f1..f420c0312aa0 100644 --- a/tools/testing/selftests/bpf/verifier/map_kptr.c +++ b/tools/testing/selftests/bpf/verifier/map_kptr.c @@ -153,7 +153,7 @@ .result = REJECT, .errstr = "variable untrusted_ptr_ access var_off=(0x0; 0x7) disallowed", }, -/* Tests for unreferened PTR_TO_BTF_ID */ +/* Tests for unreferenced PTR_TO_BTF_ID */ { "map_kptr: unref: reject btf_struct_ids_match == false", .insns = { -- 2.34.1

7 months, 3 weeks

2
3
0 0

[PATCH v2] selftests: futex: Fix missing free in main

by zhangjiao2

From: zhang jiao <zhangjiao2(a)cmss.chinamobile.com> By readind the code, I found there is no free() after asprintf(). Just free it. Signed-off-by: zhang jiao <zhangjiao2(a)cmss.chinamobile.com> --- v1->v2: Set a flag to determine if test_name needs free. tools/testing/selftests/futex/functional/futex_requeue_pi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/tools/testing/selftests/futex/functional/futex_requeue_pi.c index 215c6cb539b4..d78bb5112fce 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c @@ -362,6 +362,7 @@ int main(int argc, char *argv[]) { char *test_name; int c, ret; + int need_f = 1; while ((c = getopt(argc, argv, "bchlot:v:")) != -1) { switch (c) { @@ -404,6 +405,7 @@ int main(int argc, char *argv[]) "%s broadcast=%d locked=%d owner=%d timeout=%ldns", TEST_NAME, broadcast, locked, owner, timeout_ns); if (ret < 0) { + need_f = 0; ksft_print_msg("Failed to generate test name\n"); test_name = TEST_NAME; } @@ -416,5 +418,7 @@ int main(int argc, char *argv[]) ret = unit_test(broadcast, locked, owner, timeout_ns); print_result(test_name, ret); + if (need_f) + free(test_name); return ret; } -- 2.33.0

7 months, 3 weeks

2
1
0 0

[PATCH 0/3] riscv: mm: Do not restrict mmap address based on hint

by Charlie Jenkins

There have been a couple of reports that using the hint address to restrict the address returned by mmap hint address has caused issues in applications. A different solution for restricting addresses returned by mmap is necessary to avoid breakages. Signed-off-by: Charlie Jenkins <charlie(a)rivosinc.com> --- Charlie Jenkins (3): Revert "RISC-V: mm: Document mmap changes" riscv: selftests: Remove mmap hint address checks riscv: mm: Do not restrict mmap address based on hint Documentation/arch/riscv/vm-layout.rst | 16 ------ arch/riscv/include/asm/processor.h | 26 +-------- tools/testing/selftests/riscv/mm/mmap_bottomup.c | 2 - tools/testing/selftests/riscv/mm/mmap_default.c | 2 - tools/testing/selftests/riscv/mm/mmap_test.h | 67 ------------------------ 5 files changed, 2 insertions(+), 111 deletions(-) --- base-commit: 7c626ce4bae1ac14f60076d00eafe71af30450ba change-id: 20240820-riscv_mmap-055efd23f19c -- - Charlie

7 months, 3 weeks

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